changeset 49120:c04d813140dc

8198724: Refactor FLAGS handling in configure Reviewed-by: erikj
author ihse
date Fri, 02 Mar 2018 10:59:25 +0100
parents 216c1a039335
children 10f447530d32
files make/autoconf/configure.ac make/autoconf/flags-cflags.m4 make/autoconf/flags-ldflags.m4 make/autoconf/flags-other.m4 make/autoconf/flags.m4 make/autoconf/hotspot.m4 make/autoconf/lib-std.m4 make/autoconf/libraries.m4 make/autoconf/platform.m4 make/autoconf/spec.gmk.in make/autoconf/toolchain.m4 make/common/NativeCompilation.gmk make/hotspot/gensrc/GensrcAdlc.gmk make/hotspot/lib/CompileLibjsig.gmk
diffstat 14 files changed, 1475 insertions(+), 1377 deletions(-) [+]
line wrap: on
line diff
--- a/make/autoconf/configure.ac	Fri Mar 02 00:33:00 2018 -0800
+++ b/make/autoconf/configure.ac	Fri Mar 02 10:59:25 2018 +0100
@@ -163,10 +163,9 @@
 # First determine the toolchain type (compiler family)
 TOOLCHAIN_DETERMINE_TOOLCHAIN_TYPE
 
-# User supplied flags should be used when configure detects compilers
-FLAGS_SETUP_USER_SUPPLIED_FLAGS
-# The sysroot cflags are needed for configure to be able to run the compilers
-FLAGS_SETUP_SYSROOT_FLAGS
+# The global flags are needed for configure to be able to run the compilers
+# correctly.
+FLAGS_PRE_TOOLCHAIN
 
 # Then detect the actual binaries needed
 TOOLCHAIN_PRE_DETECTION
@@ -184,17 +183,15 @@
 # Setup Jib dependency tool
 TOOLCHAIN_SETUP_JIB
 
-FLAGS_SETUP_INIT_FLAGS
+# After toolchain setup, we need to process some flags to be able to continue.
+FLAGS_POST_TOOLCHAIN
 
 # Now we can test some aspects on the target using configure macros.
 PLATFORM_SETUP_OPENJDK_TARGET_BITS
 PLATFORM_SETUP_OPENJDK_TARGET_ENDIANNESS
 
 # Configure flags for the tools
-FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS
-FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION
-FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK
-FLAGS_SETUP_COMPILER_FLAGS_MISC
+FLAGS_SETUP_FLAGS
 
 # Setup debug symbols (need objcopy from the toolchain for that)
 JDKOPT_SETUP_DEBUG_SYMBOLS
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/autoconf/flags-cflags.m4	Fri Mar 02 10:59:25 2018 +0100
@@ -0,0 +1,899 @@
+#
+# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.  Oracle designates this
+# particular file as subject to the "Classpath" exception as provided
+# by Oracle in the LICENSE file that accompanied this code.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+################################################################################
+#
+# Setup flags for C/C++ compiler
+#
+
+###############################################################################
+#
+# How to compile shared libraries.
+#
+AC_DEFUN([FLAGS_SETUP_SHARED_LIBS],
+[
+  if test "x$TOOLCHAIN_TYPE" = xgcc; then
+    C_FLAG_REORDER=''
+
+    # Default works for linux, might work on other platforms as well.
+    SHARED_LIBRARY_FLAGS='-shared'
+    SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$ORIGIN[$]1'
+    SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN"
+    SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1'
+    SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1'
+
+  elif test "x$TOOLCHAIN_TYPE" = xclang; then
+    C_FLAG_REORDER=''
+
+    if test "x$OPENJDK_TARGET_OS" = xmacosx; then
+      # Linking is different on MacOSX
+      SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0"
+      SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path$(or [$]1,/.)'
+      SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
+      SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1'
+      SET_SHARED_LIBRARY_MAPFILE='-Wl,-exported_symbols_list,[$]1'
+
+    else
+      # Default works for linux, might work on other platforms as well.
+      SHARED_LIBRARY_FLAGS='-shared'
+      SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$ORIGIN[$]1'
+      SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1'
+      SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1'
+
+      # arm specific settings
+      if test "x$OPENJDK_TARGET_CPU" = "xarm"; then
+        # '-Wl,-z,origin' isn't used on arm.
+        SET_SHARED_LIBRARY_ORIGIN='-Wl,-rpath,\$$$$ORIGIN[$]1'
+      else
+        SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN"
+      fi
+    fi
+
+  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    C_FLAG_REORDER='-xF'
+    SHARED_LIBRARY_FLAGS="-G"
+    SET_EXECUTABLE_ORIGIN='-R\$$ORIGIN[$]1'
+    SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
+    SET_SHARED_LIBRARY_NAME='-h [$]1'
+    SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
+
+  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
+    C_FLAG_REORDER=''
+    SHARED_LIBRARY_FLAGS="-qmkshrobj -bM:SRE -bnoentry"
+    SET_EXECUTABLE_ORIGIN=""
+    SET_SHARED_LIBRARY_ORIGIN=''
+    SET_SHARED_LIBRARY_NAME=''
+    SET_SHARED_LIBRARY_MAPFILE=''
+
+  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    C_FLAG_REORDER=''
+    SHARED_LIBRARY_FLAGS="-dll"
+    SET_EXECUTABLE_ORIGIN=''
+    SET_SHARED_LIBRARY_ORIGIN=''
+    SET_SHARED_LIBRARY_NAME=''
+    SET_SHARED_LIBRARY_MAPFILE='-def:[$]1'
+  fi
+
+  AC_SUBST(C_FLAG_REORDER)
+  AC_SUBST(SET_EXECUTABLE_ORIGIN)
+  AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
+  AC_SUBST(SET_SHARED_LIBRARY_NAME)
+  AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
+  AC_SUBST(SHARED_LIBRARY_FLAGS)
+])
+
+AC_DEFUN([FLAGS_SETUP_DEBUG_SYMBOLS],
+[
+  # Debug symbols
+  if test "x$TOOLCHAIN_TYPE" = xgcc; then
+    if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
+      CFLAGS_DEBUG_SYMBOLS="-g1"
+    else
+      CFLAGS_DEBUG_SYMBOLS="-g"
+    fi
+  elif test "x$TOOLCHAIN_TYPE" = xclang; then
+    CFLAGS_DEBUG_SYMBOLS="-g"
+  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    CFLAGS_DEBUG_SYMBOLS="-g -xs"
+    # -g0 enables debug symbols without disabling inlining.
+    CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
+  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
+    CFLAGS_DEBUG_SYMBOLS="-g"
+  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    CFLAGS_DEBUG_SYMBOLS="-Zi"
+  fi
+
+  if test "x$CXXFLAGS_DEBUG_SYMBOLS" = x; then
+    # If we did not specify special flags for C++, use C version
+    CXXFLAGS_DEBUG_SYMBOLS="$CFLAGS_DEBUG_SYMBOLS"
+  fi
+  AC_SUBST(CFLAGS_DEBUG_SYMBOLS)
+  AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS)
+
+  # FIXME: This was never used in the old build. What to do with it?
+  if test "x$TOOLCHAIN_TYPE" = xgcc; then
+    # "-Og" suppported for GCC 4.8 and later
+    CFLAG_OPTIMIZE_DEBUG_FLAG="-Og"
+    FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$CFLAG_OPTIMIZE_DEBUG_FLAG],
+      IF_TRUE: [HAS_CFLAG_OPTIMIZE_DEBUG=true],
+      IF_FALSE: [HAS_CFLAG_OPTIMIZE_DEBUG=false])
+  fi
+
+  # Debug symbols for JVM_CFLAGS
+  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -xs"
+    if test "x$DEBUG_LEVEL" = xslowdebug; then
+      JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g"
+    else
+      # -g0 does not disable inlining, which -g does.
+      JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g0"
+    fi
+  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -Z7 -d2Zi+"
+  else
+    JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g"
+  fi
+  AC_SUBST(JVM_CFLAGS_SYMBOLS)
+])
+
+AC_DEFUN([FLAGS_SETUP_WARNINGS],
+[
+  AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors],
+      [do not consider native warnings to be an error @<:@enabled@:>@])])
+
+  AC_MSG_CHECKING([if native warnings are errors])
+  if test "x$enable_warnings_as_errors" = "xyes"; then
+    AC_MSG_RESULT([yes (explicitly set)])
+    WARNINGS_AS_ERRORS=true
+  elif test "x$enable_warnings_as_errors" = "xno"; then
+    AC_MSG_RESULT([no])
+    WARNINGS_AS_ERRORS=false
+  elif test "x$enable_warnings_as_errors" = "x"; then
+    AC_MSG_RESULT([yes (default)])
+    WARNINGS_AS_ERRORS=true
+  else
+    AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument])
+  fi
+
+  AC_SUBST(WARNINGS_AS_ERRORS)
+
+  case "${TOOLCHAIN_TYPE}" in
+    microsoft)
+      DISABLE_WARNING_PREFIX="-wd"
+      CFLAGS_WARNINGS_ARE_ERRORS="-WX"
+      ;;
+    solstudio)
+      DISABLE_WARNING_PREFIX="-erroff="
+      CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all"
+      ;;
+    gcc)
+      # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error
+      FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist],
+          IF_TRUE: [GCC_CAN_DISABLE_WARNINGS=true],
+          IF_FALSE: [GCC_CAN_DISABLE_WARNINGS=false]
+      )
+      if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then
+        DISABLE_WARNING_PREFIX="-Wno-"
+      else
+        DISABLE_WARNING_PREFIX=
+      fi
+      CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
+      # Repeate the check for the BUILD_CC and BUILD_CXX. Need to also reset
+      # CFLAGS since any target specific flags will likely not work with the
+      # build compiler
+      CC_OLD="$CC"
+      CXX_OLD="$CXX"
+      CC="$BUILD_CC"
+      CXX="$BUILD_CXX"
+      CFLAGS_OLD="$CFLAGS"
+      CFLAGS=""
+      FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist],
+          IF_TRUE: [BUILD_CC_CAN_DISABLE_WARNINGS=true],
+          IF_FALSE: [BUILD_CC_CAN_DISABLE_WARNINGS=false]
+      )
+      if test "x$BUILD_CC_CAN_DISABLE_WARNINGS" = "xtrue"; then
+        BUILD_CC_DISABLE_WARNING_PREFIX="-Wno-"
+      else
+        BUILD_CC_DISABLE_WARNING_PREFIX=
+      fi
+      CC="$CC_OLD"
+      CXX="$CXX_OLD"
+      CFLAGS="$CFLAGS_OLD"
+      ;;
+    clang)
+      DISABLE_WARNING_PREFIX="-Wno-"
+      CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
+      ;;
+    xlc)
+      DISABLE_WARNING_PREFIX="-qsuppress="
+      CFLAGS_WARNINGS_ARE_ERRORS="-qhalt=w"
+      ;;
+  esac
+  AC_SUBST(DISABLE_WARNING_PREFIX)
+  AC_SUBST(BUILD_CC_DISABLE_WARNING_PREFIX)
+  AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS)
+])
+
+AC_DEFUN([FLAGS_SETUP_QUALITY_CHECKS],
+[
+  # bounds, memory and behavior checking options
+  if test "x$TOOLCHAIN_TYPE" = xgcc; then
+    case $DEBUG_LEVEL in
+    release )
+      # no adjustment
+      ;;
+    fastdebug )
+      # no adjustment
+      ;;
+    slowdebug )
+      # FIXME: By adding this to C(XX)FLAGS_DEBUG_OPTIONS/JVM_CFLAGS_SYMBOLS it
+      # get's added conditionally on whether we produce debug symbols or not.
+      # This is most likely not really correct.
+
+      # Add runtime stack smashing and undefined behavior checks.
+      # Not all versions of gcc support -fstack-protector
+      STACK_PROTECTOR_CFLAG="-fstack-protector-all"
+      FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$STACK_PROTECTOR_CFLAG -Werror],
+          IF_FALSE: [STACK_PROTECTOR_CFLAG=""])
+
+      CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
+      CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
+
+      if test "x$STACK_PROTECTOR_CFLAG" != x; then
+        JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS $STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
+      fi
+      ;;
+    esac
+  fi
+])
+
+AC_DEFUN([FLAGS_SETUP_OPTIMIZATION],
+[
+  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    CC_HIGHEST="-fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil"
+
+    C_O_FLAG_HIGHEST_JVM="-xO4"
+    C_O_FLAG_DEBUG_JVM=""
+    C_O_FLAG_SIZE=""
+    C_O_FLAG_DEBUG=""
+    C_O_FLAG_NONE=""
+    if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then
+      C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST"
+      C_O_FLAG_HI="-xO4 -Wu,-O4~yz"
+      C_O_FLAG_NORM="-xO2 -Wu,-O2~yz"
+    elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
+      C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 \
+          -xprefetch=auto,explicit -xchip=ultra $CC_HIGHEST"
+      C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
+      C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
+    fi
+  elif test "x$TOOLCHAIN_TYPE" = xgcc; then
+    C_O_FLAG_HIGHEST_JVM="-O3"
+    C_O_FLAG_HIGHEST="-O3"
+    C_O_FLAG_HI="-O3"
+    C_O_FLAG_NORM="-O2"
+    C_O_FLAG_SIZE="-Os"
+    C_O_FLAG_DEBUG="-O0"
+    C_O_FLAG_DEBUG_JVM="-O0"
+    C_O_FLAG_NONE="-O0"
+  elif test "x$TOOLCHAIN_TYPE" = xclang; then
+    if test "x$OPENJDK_TARGET_OS" = xmacosx; then
+      # On MacOSX we optimize for size, something
+      # we should do for all platforms?
+      C_O_FLAG_HIGHEST_JVM="-Os"
+      C_O_FLAG_HIGHEST="-Os"
+      C_O_FLAG_HI="-Os"
+      C_O_FLAG_NORM="-Os"
+      C_O_FLAG_DEBUG_JVM=""
+    else
+      C_O_FLAG_HIGHEST_JVM="-O3"
+      C_O_FLAG_HIGHEST="-O3"
+      C_O_FLAG_HI="-O3"
+      C_O_FLAG_NORM="-O2"
+      C_O_FLAG_DEBUG_JVM="-O0"
+    fi
+    C_O_FLAG_SIZE="-Os"
+    C_O_FLAG_DEBUG="-O0"
+    C_O_FLAG_NONE="-O0"
+  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
+    C_O_FLAG_HIGHEST_JVM="-O3 -qhot=level=1 -qinline -qinlglue"
+    C_O_FLAG_HIGHEST="-O3 -qhot=level=1 -qinline -qinlglue"
+    C_O_FLAG_HI="-O3 -qinline -qinlglue"
+    C_O_FLAG_NORM="-O2"
+    C_O_FLAG_DEBUG="-qnoopt"
+    # FIXME: Value below not verified.
+    C_O_FLAG_DEBUG_JVM=""
+    C_O_FLAG_NONE="-qnoopt"
+  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    C_O_FLAG_HIGHEST_JVM="-O2 -Oy-"
+    C_O_FLAG_HIGHEST="-O2"
+    C_O_FLAG_HI="-O1"
+    C_O_FLAG_NORM="-O1"
+    C_O_FLAG_DEBUG="-Od"
+    C_O_FLAG_DEBUG_JVM=""
+    C_O_FLAG_NONE="-Od"
+    C_O_FLAG_SIZE="-Os"
+  fi
+
+  # Now copy to C++ flags
+  CXX_O_FLAG_HIGHEST_JVM="$C_O_FLAG_HIGHEST_JVM"
+  CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
+  CXX_O_FLAG_HI="$C_O_FLAG_HI"
+  CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
+  CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG"
+  CXX_O_FLAG_DEBUG_JVM="$C_O_FLAG_DEBUG_JVM"
+  CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
+  CXX_O_FLAG_SIZE="$C_O_FLAG_SIZE"
+
+  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    # In solstudio, also add this to C (but not C++) flags...
+    C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xalias_level=basic"
+  fi
+
+  # Adjust optimization flags according to debug level.
+  case $DEBUG_LEVEL in
+    release )
+      # no adjustment
+      ;;
+    fastdebug )
+      # Not quite so much optimization
+      C_O_FLAG_HI="$C_O_FLAG_NORM"
+      CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
+      ;;
+    slowdebug )
+      # Disable optimization
+      C_O_FLAG_HIGHEST_JVM="$C_O_FLAG_DEBUG_JVM"
+      C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG"
+      C_O_FLAG_HI="$C_O_FLAG_DEBUG"
+      C_O_FLAG_NORM="$C_O_FLAG_DEBUG"
+      C_O_FLAG_SIZE="$C_O_FLAG_DEBUG"
+      CXX_O_FLAG_HIGHEST_JVM="$CXX_O_FLAG_DEBUG_JVM"
+      CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG"
+      CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG"
+      CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG"
+      CXX_O_FLAG_SIZE="$CXX_O_FLAG_DEBUG"
+      ;;
+  esac
+
+  AC_SUBST(C_O_FLAG_HIGHEST_JVM)
+  AC_SUBST(C_O_FLAG_HIGHEST)
+  AC_SUBST(C_O_FLAG_HI)
+  AC_SUBST(C_O_FLAG_NORM)
+  AC_SUBST(C_O_FLAG_NONE)
+  AC_SUBST(C_O_FLAG_SIZE)
+  AC_SUBST(CXX_O_FLAG_HIGHEST_JVM)
+  AC_SUBST(CXX_O_FLAG_HIGHEST)
+  AC_SUBST(CXX_O_FLAG_HI)
+  AC_SUBST(CXX_O_FLAG_NORM)
+  AC_SUBST(CXX_O_FLAG_NONE)
+  AC_SUBST(CXX_O_FLAG_SIZE)
+])
+
+AC_DEFUN([FLAGS_SETUP_CFLAGS],
+[
+  ### CFLAGS
+
+  FLAGS_SETUP_CFLAGS_HELPER
+
+  FLAGS_OS=$OPENJDK_TARGET_OS
+  FLAGS_OS_TYPE=$OPENJDK_TARGET_OS_TYPE
+  FLAGS_CPU=$OPENJDK_TARGET_CPU
+  FLAGS_CPU_ARCH=$OPENJDK_TARGET_CPU_ARCH
+  FLAGS_CPU_BITS=$OPENJDK_TARGET_CPU_BITS
+  FLAGS_CPU_ENDIAN=$OPENJDK_TARGET_CPU_ENDIAN
+  FLAGS_CPU_LEGACY=$OPENJDK_TARGET_CPU_LEGACY
+  FLAGS_CPU_LEGACY_LIB=$OPENJDK_TARGET_CPU_LEGACY_LIB
+
+  FLAGS_SETUP_CFLAGS_CPU_DEP([TARGET])
+
+  FLAGS_OS=$OPENJDK_BUILD_OS
+  FLAGS_OS_TYPE=$OPENJDK_BUILD_OS_TYPE
+  FLAGS_CPU=$OPENJDK_BUILD_CPU
+  FLAGS_CPU_ARCH=$OPENJDK_BUILD_CPU_ARCH
+  FLAGS_CPU_BITS=$OPENJDK_BUILD_CPU_BITS
+  FLAGS_CPU_ENDIAN=$OPENJDK_BUILD_CPU_ENDIAN
+  FLAGS_CPU_LEGACY=$OPENJDK_BUILD_CPU_LEGACY
+  FLAGS_CPU_LEGACY_LIB=$OPENJDK_BUILD_CPU_LEGACY_LIB
+
+  FLAGS_SETUP_CFLAGS_CPU_DEP([BUILD], [OPENJDK_BUILD_])
+
+  # Tests are only ever compiled for TARGET
+  CFLAGS_TESTLIB="$CFLAGS_JDKLIB"
+  CXXFLAGS_TESTLIB="$CXXFLAGS_JDKLIB"
+  CFLAGS_TESTEXE="$CFLAGS_JDKEXE"
+  CXXFLAGS_TESTEXE="$CXXFLAGS_JDKEXE"
+
+  AC_SUBST(CFLAGS_TESTLIB)
+  AC_SUBST(CFLAGS_TESTEXE)
+  AC_SUBST(CXXFLAGS_TESTLIB)
+  AC_SUBST(CXXFLAGS_TESTEXE)
+])
+
+################################################################################
+# platform independent
+AC_DEFUN([FLAGS_SETUP_CFLAGS_HELPER],
+[
+  #### OS DEFINES, these should be independent on toolchain
+  if test "x$OPENJDK_TARGET_OS" = xlinux; then
+    CFLAGS_OS_DEF_JVM="-DLINUX"
+    CFLAGS_OS_DEF_JDK="-D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
+  elif test "x$OPENJDK_TARGET_OS" = xsolaris; then
+    CFLAGS_OS_DEF_JVM="-DSOLARIS"
+    CFLAGS_OS_DEF_JDK="-D__solaris__"
+  elif test "x$OPENJDK_TARGET_OS" = xmacosx; then
+    CFLAGS_OS_DEF_JVM="-D_ALLBSD_SOURCE -D_DARWIN_C_SOURCE -D_XOPEN_SOURCE"
+    CFLAGS_OS_DEF_JDK="-D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
+  elif test "x$OPENJDK_TARGET_OS" = xaix; then
+    CFLAGS_OS_DEF_JVM="-DAIX"
+  elif test "x$OPENJDK_TARGET_OS" = xbsd; then
+    CFLAGS_OS_DEF_JDK="-D_ALLBSD_SOURCE"
+  elif test "x$OPENJDK_TARGET_OS" = xwindows; then
+    CFLAGS_OS_DEF_JVM="-D_WINDOWS -DWIN32 -D_JNI_IMPLEMENTATION_"
+  fi
+
+  # Setup target OS define. Use OS target name but in upper case.
+  OPENJDK_TARGET_OS_UPPERCASE=`$ECHO $OPENJDK_TARGET_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
+  CFLAGS_OS_DEF_JDK="$CFLAGS_OS_DEF_JDK -D$OPENJDK_TARGET_OS_UPPERCASE"
+
+  #### GLOBAL DEFINES
+  # Set some common defines. These works for all compilers, but assume
+  # -D is universally accepted.
+
+  # Always enable optional macros for VM.
+  ALWAYS_CFLAGS_JVM="-D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS"
+
+  # Setup some hard coded includes
+  ALWAYS_CFLAGS_JDK=" \
+      -I\$(SUPPORT_OUTPUTDIR)/modules_include/java.base \
+      -I\$(SUPPORT_OUTPUTDIR)/modules_include/java.base/\$(OPENJDK_TARGET_OS_INCLUDE_SUBDIR) \
+      -I${TOPDIR}/src/java.base/share/native/libjava \
+      -I${TOPDIR}/src/java.base/$OPENJDK_TARGET_OS_TYPE/native/libjava \
+      -I${TOPDIR}/src/hotspot/share/include \
+      -I${TOPDIR}/src/hotspot/os/${HOTSPOT_TARGET_OS_TYPE}/include"
+
+  ###############################################################################
+
+  # Adjust flags according to debug level.
+  # Setup debug/release defines
+  if test "x$DEBUG_LEVEL" = xrelease; then
+    DEBUG_CFLAGS_JDK="-DNDEBUG"
+    if test "x$OPENJDK_TARGET_OS" = xsolaris; then
+      DEBUG_CFLAGS_JDK="$DEBUG_CFLAGS_JDK -DTRIMMED"
+    fi
+  else
+    DEBUG_CFLAGS_JDK="-DDEBUG"
+
+    if test "x$TOOLCHAIN_TYPE" = xxlc; then
+      # We need '-qminimaltoc' or '-qpic=large -bbigtoc' if the TOC overflows.
+      # Hotspot now overflows its 64K TOC (currently only for debug),
+      # so for debug we build with '-qpic=large -bbigtoc'.
+      DEBUG_CFLAGS_JVM="-qpic=large"
+    fi
+  fi
+
+  if test "x$DEBUG_LEVEL" != xrelease; then
+    DEBUG_OPTIONS_FLAGS_JDK="$CFLAGS_DEBUG_OPTIONS"
+    DEBUG_SYMBOLS_CFLAGS_JDK="$CFLAGS_DEBUG_SYMBOLS"
+    DEBUG_SYMBOLS_CXXFLAGS_JDK="$CXXFLAGS_DEBUG_SYMBOLS"
+  fi
+
+  #### TOOLCHAIN DEFINES
+
+  if test "x$TOOLCHAIN_TYPE" = xgcc; then
+    ALWAYS_DEFINES_JVM="-D_GNU_SOURCE -D_REENTRANT"
+  elif test "x$TOOLCHAIN_TYPE" = xclang; then
+    ALWAYS_DEFINES_JVM="-D_GNU_SOURCE"
+  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    ALWAYS_DEFINES_JVM="-DSPARC_WORKS -D_Crun_inline_placement"
+    ALWAYS_DEFINES_JDK="-DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
+    ALWAYS_DEFINES_JDK_CXXONLY="-DCC_NOEX"
+  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
+    ALWAYS_DEFINES_JVM="-D_REENTRANT"
+    ALWAYS_DEFINES_JDK="-D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
+  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    ALWAYS_DEFINES_JDK="-DWIN32_LEAN_AND_MEAN -D_CRT_SECURE_NO_DEPRECATE \
+        -D_CRT_NONSTDC_NO_DEPRECATE -DWIN32 -DIAL"
+  fi
+
+  ###############################################################################
+  #
+  #
+  # CFLAGS BASIC
+  if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
+    # COMMON to gcc and clang
+    TOOLCHAIN_CFLAGS_JVM="-pipe -fno-rtti -fno-exceptions \
+        -fvisibility=hidden -fno-strict-aliasing -fno-omit-frame-pointer"
+  fi
+
+  if test "x$TOOLCHAIN_TYPE" = xgcc; then
+    TOOLCHAIN_CFLAGS_JVM="$TOOLCHAIN_CFLAGS_JVM -fcheck-new"
+    TOOLCHAIN_CFLAGS_JDK="-pipe"
+    TOOLCHAIN_CFLAGS_JDK_CONLY="-fno-strict-aliasing" # technically NOT for CXX (but since this gives *worse* performance, use no-strict-aliasing everywhere!)
+
+    CXXSTD_CXXFLAG="-std=gnu++98"
+    FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$CXXSTD_CXXFLAG -Werror],
+    						 IF_FALSE: [CXXSTD_CXXFLAG=""])
+    TOOLCHAIN_CFLAGS_JDK_CXXONLY="$CXXSTD_CXXFLAG"
+    TOOLCHAIN_CFLAGS_JVM="$TOOLCHAIN_CFLAGS_JVM $CXXSTD_CXXFLAG"
+    ADLC_CXXFLAG="$CXXSTD_CXXFLAG"
+
+
+  elif test "x$TOOLCHAIN_TYPE" = xclang; then
+    # Restrict the debug information created by Clang to avoid
+    # too big object files and speed the build up a little bit
+    # (see http://llvm.org/bugs/show_bug.cgi?id=7554)
+    TOOLCHAIN_CFLAGS_JVM="$TOOLCHAIN_CFLAGS_JVM -flimit-debug-info"
+
+    if test "x$OPENJDK_TARGET_OS" = xlinux; then
+      TOOLCHAIN_CFLAGS_JDK="-pipe"
+      TOOLCHAIN_CFLAGS_JDK_CONLY="-fno-strict-aliasing" # technically NOT for CXX
+    fi
+  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    TOOLCHAIN_CFLAGS_JDK="-mt"
+    TOOLCHAIN_CFLAGS_JDK_CONLY="-xc99=%none -xCC -Xa -v -W0,-noglobal" # C only
+    TOOLCHAIN_CFLAGS_JDK_CXXONLY="-features=no%except -norunpath -xnolib" # CXX only
+    TOOLCHAIN_CFLAGS_JVM="-template=no%extdef -features=no%split_init \
+        -library=stlport4 -mt -features=no%except"
+  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
+    TOOLCHAIN_CFLAGS_JDK="-qchars=signed -qfullpath -qsaveopt"  # add on both CFLAGS
+    TOOLCHAIN_CFLAGS_JVM="-qtune=balanced \
+        -qalias=noansi -qstrict -qtls=default -qlanglvl=c99vla \
+        -qlanglvl=noredefmac -qnortti -qnoeh -qignerrno"
+  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    TOOLCHAIN_CFLAGS_JVM="-nologo -MD -MP"
+    TOOLCHAIN_CFLAGS_JDK="-nologo -MD -Zc:wchar_t-"
+  fi
+
+  # CFLAGS WARNINGS STUFF
+  # Set JVM_CFLAGS warning handling
+  if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
+    # COMMON to gcc and clang
+    WARNING_CFLAGS_JVM="-Wpointer-arith -Wsign-compare -Wunused-function"
+    if ! HOTSPOT_CHECK_JVM_VARIANT(zero); then
+      # Non-zero builds have stricter warnings
+      WARNING_CFLAGS_JVM="$WARNING_CFLAGS_JVM -Wundef -Wformat=2"
+    fi
+
+  fi
+  if test "x$TOOLCHAIN_TYPE" = xgcc; then
+    WARNING_CFLAGS_JDK="-Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2"
+    WARNING_CFLAGS_JVM="$WARNING_CFLAGS_JVM -Wunused-value -Woverloaded-virtual"
+
+    if ! HOTSPOT_CHECK_JVM_VARIANT(zero); then
+      # Non-zero builds have stricter warnings
+      WARNING_CFLAGS_JVM="$WARNING_CFLAGS_JVM -Wreturn-type"
+    fi
+  elif test "x$TOOLCHAIN_TYPE" = xclang; then
+    WARNING_CFLAGS_JVM="$WARNING_CFLAGS_JVM -Wno-deprecated"
+    if test "x$OPENJDK_TARGET_OS" = xlinux; then
+      WARNING_CFLAGS_JVM="$WARNING_CFLAGS_JVM -Wno-sometimes-uninitialized"
+      WARNING_CFLAGS_JDK="-Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2"
+    fi
+  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    WARNING_CFLAGS_JDK_CONLY="-errshort=tags"
+    WARNING_CFLAGS_JDK_CXXONLY="+w"
+    WARNING_CFLAGS_JDK="-errtags=yes -errfmt"
+  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    WARNING_CFLAGS="-W3"
+    WARNING_CFLAGS_JDK="-wd4800"
+  fi
+
+  # Set some additional per-OS defines.
+
+  # Additional macosx handling
+  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
+    OS_CFLAGS="-DMAC_OS_X_VERSION_MIN_REQUIRED=$MACOSX_VERSION_MIN_NODOTS \
+        -mmacosx-version-min=$MACOSX_VERSION_MIN"
+
+    if test -n "$MACOSX_VERSION_MAX"; then
+        OS_CFLAGS="$OS_CFLAGS \
+            -DMAC_OS_X_VERSION_MAX_ALLOWED=$MACOSX_VERSION_MAX_NODOTS"
+    fi
+  fi
+
+  # Where does this really belong??
+  if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
+    PICFLAG="-fPIC"
+  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    PICFLAG="-KPIC"
+  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
+    # '-qpic' defaults to 'qpic=small'. This means that the compiler generates only
+    # one instruction for accessing the TOC. If the TOC grows larger than 64K, the linker
+    # will have to patch this single instruction with a call to some out-of-order code which
+    # does the load from the TOC. This is of course slow. But in that case we also would have
+    # to use '-bbigtoc' for linking anyway so we could also change the PICFLAG to 'qpic=large'.
+    # With 'qpic=large' the compiler will by default generate a two-instruction sequence which
+    # can be patched directly by the linker and does not require a jump to out-of-order code.
+    # Another alternative instead of using 'qpic=large -bbigtoc' may be to use '-qminimaltoc'
+    # instead. This creates a distinct TOC for every compilation unit (and thus requires two
+    # loads for accessing a global variable). But there are rumors that this may be seen as a
+    # 'performance feature' because of improved code locality of the symbols used in a
+    # compilation unit.
+    PICFLAG="-qpic"
+  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    PICFLAG=""
+  fi
+
+  JVM_PICFLAG="$PICFLAG"
+  JDK_PICFLAG="$PICFLAG"
+
+  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
+    # Linking is different on MacOSX
+    JDK_PICFLAG=''
+    if test "x$STATIC_BUILD" = xtrue; then
+      JVM_PICFLAG=""
+    fi
+  fi
+
+  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
+    OS_CFLAGS_JVM="$OS_CFLAGS_JVM -mno-omit-leaf-frame-pointer -mstack-alignment=16"
+  fi
+
+  # Optional POSIX functionality needed by the JVM
+  #
+  # Check if clock_gettime is available and in which library. This indicates
+  # availability of CLOCK_MONOTONIC for hotspot. But we don't need to link, so
+  # don't let it update LIBS.
+  save_LIBS="$LIBS"
+  AC_SEARCH_LIBS(clock_gettime, rt, [HAS_CLOCK_GETTIME=true], [])
+  if test "x$LIBS" = "x-lrt "; then
+    CLOCK_GETTIME_IN_LIBRT=true
+  fi
+  LIBS="$save_LIBS"
+
+  if test "x$HAS_CLOCK_GETTIME" = "xtrue"; then
+    OS_CFLAGS_JVM="$OS_CFLAGS_JVM -DSUPPORTS_CLOCK_MONOTONIC"
+    if test "x$CLOCK_GETTIME_IN_LIBRT" = "xtrue"; then
+      OS_CFLAGS_JVM="$OS_CFLAGS_JVM -DNEEDS_LIBRT"
+    fi
+  fi
+
+  # EXPORT
+  AC_SUBST(ADLC_CXXFLAG)
+])
+
+################################################################################
+# $1 - Either BUILD or TARGET to pick the correct OS/CPU variables to check
+#      conditionals against.
+# $2 - Optional prefix for each variable defined.
+AC_DEFUN([FLAGS_SETUP_CFLAGS_CPU_DEP],
+[
+  #### CPU DEFINES, these should (in theory) be independent on toolchain
+
+  # Setup target CPU
+  # Setup endianness
+  if test "x$FLAGS_CPU_ENDIAN" = xlittle; then
+    $1_DEFINES_CPU_JVM="-DVM_LITTLE_ENDIAN"
+  fi
+  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
+    #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
+    if test "x$FLAGS_CPU_ENDIAN" = xlittle; then
+      $1_DEFINES_CPU_JDK="-D_LITTLE_ENDIAN="
+    else
+      $1_DEFINES_CPU_JDK="-D_BIG_ENDIAN="
+    fi
+  else
+    if test "x$FLAGS_CPU_ENDIAN" = xlittle; then
+      $1_DEFINES_CPU_JDK="-D_LITTLE_ENDIAN"
+    else
+      $1_DEFINES_CPU_JDK="-D_BIG_ENDIAN"
+    fi
+  fi
+
+  # setup CPU bit size
+  $1_DEFINES_CPU_JDK="${$1_DEFINES_CPU_JDK} -DARCH='\"$FLAGS_CPU_LEGACY\"' \
+      -D$FLAGS_CPU_LEGACY"
+
+  if test "x$FLAGS_CPU_BITS" = x64; then
+    # -D_LP64=1 is only set on linux and mac. Setting on windows causes diff in
+    # unpack200.exe.
+    if test "x$FLAGS_OS" = xlinux || test "x$FLAGS_OS" = xmacosx; then
+      $1_DEFINES_CPU_JDK="${$1_DEFINES_CPU_JDK} -D_LP64=1"
+    fi
+    if test "x$FLAGS_OS" != xsolaris && test "x$FLAGS_OS" != xaix; then
+      # Solaris does not have _LP64=1 in the old build.
+      # xlc on AIX defines _LP64=1 by default and issues a warning if we redefine it.
+      $1_DEFINES_CPU_JVM="${$1_DEFINES_CPU_JVM} -D_LP64=1"
+    fi
+  fi
+
+  # toolchain dependend, per-cpu
+  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    if test "x$FLAGS_CPU_ARCH" = xx86; then
+      $1_DEFINES_CPU_JDK="${$1_DEFINES_CPU_JDK} -DcpuIntel -Di586 -D$FLAGS_CPU_LEGACY_LIB"
+    fi
+  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    if test "x$FLAGS_CPU" = xx86_64; then
+      $1_DEFINES_CPU_JDK="${$1_DEFINES_CPU_JDK} -D_AMD64_ -Damd64"
+    else
+      $1_DEFINES_CPU_JDK="${$1_DEFINES_CPU_JDK} -D_X86_ -Dx86"
+    fi
+  fi
+
+  # CFLAGS PER CPU
+  if test "x$TOOLCHAIN_TYPE" = xgcc || test "x$TOOLCHAIN_TYPE" = xclang; then
+    # COMMON to gcc and clang
+    if test "x$FLAGS_CPU" = xx86; then
+      # Force compatibility with i586 on 32 bit intel platforms.
+      $1_CFLAGS_CPU="-march=i586"
+    fi
+  fi
+
+  if test "x$TOOLCHAIN_TYPE" = xgcc; then
+    if test "x$FLAGS_CPU" = xarm; then
+      # -Wno-psabi to get rid of annoying "note: the mangling of 'va_list' has changed in GCC 4.4"
+      $1_CFLAGS_CPU="-fsigned-char -Wno-psabi $ARM_ARCH_TYPE_FLAGS $ARM_FLOAT_TYPE_FLAGS -DJDK_ARCH_ABI_PROP_NAME='\"\$(JDK_ARCH_ABI_PROP_NAME)\"'"
+      $1_CFLAGS_CPU_JVM="-DARM"
+    elif test "x$FLAGS_CPU" = xaarch64; then
+      if test "x$HOTSPOT_TARGET_CPU_PORT" = xarm64; then
+        $1_CFLAGS_CPU_JVM="-fsigned-char -DARM"
+      fi
+    elif test "x$FLAGS_CPU_ARCH" = xppc; then
+      $1_CFLAGS_CPU_JVM="-minsert-sched-nops=regroup_exact -mno-multiple -mno-string"
+      if test "x$FLAGS_CPU" = xppc64; then
+        # -mminimal-toc fixes `relocation truncated to fit' error for gcc 4.1.
+        # Use ppc64 instructions, but schedule for power5
+        $1_CFLAGS_CPU_JVM="${$1_CFLAGS_CPU_JVM} -mminimal-toc -mcpu=powerpc64 -mtune=power5"
+      elif test "x$FLAGS_CPU" = xppc64le; then
+        # Little endian machine uses ELFv2 ABI.
+        # Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI.
+        $1_CFLAGS_CPU_JVM="${$1_CFLAGS_CPU_JVM} -DABI_ELFv2 -mcpu=power8 -mtune=power8"
+      fi
+    elif test "x$FLAGS_CPU" = xs390x; then
+      $1_CFLAGS_CPU="-mbackchain -march=z10"
+    fi
+
+    if test "x$FLAGS_CPU_ARCH" != xarm &&  test "x$FLAGS_CPU_ARCH" != xppc; then
+      # for all archs except arm and ppc, prevent gcc to omit frame pointer
+      $1_CFLAGS_CPU_JDK="${$1_CFLAGS_CPU_JDK} -fno-omit-frame-pointer"
+    fi
+
+  elif test "x$TOOLCHAIN_TYPE" = xclang; then
+    if test "x$FLAGS_OS" = xlinux; then
+      # ppc test not really needed for clang
+      if test "x$FLAGS_CPU_ARCH" != xarm &&  test "x$FLAGS_CPU_ARCH" != xppc; then
+        # for all archs except arm and ppc, prevent gcc to omit frame pointer
+        $1_CFLAGS_CPU_JDK="${$1_CFLAGS_CPU_JDK} -fno-omit-frame-pointer"
+      fi
+    fi
+
+  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    if test "x$FLAGS_CPU" = xx86_64; then
+      # NOTE: -xregs=no%frameptr is supposed to be default on x64
+      $1_CFLAGS_CPU_JDK="-xregs=no%frameptr"
+    elif test "x$FLAGS_CPU" = xsparcv9; then
+      $1_CFLAGS_CPU_JVM="-xarch=sparc"
+      $1_CFLAGS_CPU_JDK_LIBONLY="-xregs=no%appl"
+    fi
+
+  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
+    if test "x$FLAGS_CPU" = xppc64; then
+      $1_CFLAGS_CPU_JVM="-qarch=ppc64"
+    fi
+
+  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    if test "x$FLAGS_CPU" = xx86; then
+      $1_CFLAGS_CPU_JVM="-arch:IA32"
+    elif test "x$OPENJDK_TARGET_CPU" = xx86_64; then
+      if test "x$DEBUG_LEVEL" != xrelease; then
+        # NOTE: This is probably redundant; -homeparams is default on
+        # non-release builds.
+        $1_CFLAGS_CPU_JVM="-homeparams"
+      fi
+    fi
+  fi
+
+  if test "x$TOOLCHAIN_TYPE" = xgcc; then
+    TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: 6, PREFIX: $2, IF_AT_LEAST: FLAGS_SETUP_GCC6_COMPILER_FLAGS($1))
+    $1_TOOLCHAIN_CFLAGS="${$1_GCC6_CFLAGS}"
+
+    TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: [4.8], PREFIX: $2,
+        IF_AT_LEAST: [
+          # These flags either do not work or give spurious warnings prior to gcc 4.8.
+          $1_WARNING_CFLAGS_JVM="-Wno-format-zero-length -Wtype-limits -Wuninitialized"
+        ]
+    )
+  fi
+
+  # EXPORT to API
+  CFLAGS_JVM_COMMON="$ALWAYS_CFLAGS_JVM $ALWAYS_DEFINES_JVM $TOOLCHAIN_CFLAGS_JVM \
+      $OS_CFLAGS $OS_CFLAGS_JVM $CFLAGS_OS_DEF_JVM $DEBUG_CFLAGS_JVM \
+      $WARNING_CFLAGS $WARNING_CFLAGS_JVM $JVM_PICFLAG"
+
+  CFLAGS_JDK_COMMON="$ALWAYS_CFLAGS_JDK $ALWAYS_DEFINES_JDK $TOOLCHAIN_CFLAGS_JDK \
+      $OS_CFLAGS $CFLAGS_OS_DEF_JDK $DEBUG_CFLAGS_JDK $DEBUG_OPTIONS_FLAGS_JDK \
+      $WARNING_CFLAGS $WARNING_CFLAGS_JDK"
+
+  # Use ${$2EXTRA_CFLAGS} to block EXTRA_CFLAGS to be added to build flags.
+  # (Currently we don't have any OPENJDK_BUILD_EXTRA_CFLAGS, but that might
+  # change in the future.)
+
+  CFLAGS_JDK_COMMON_CONLY="$TOOLCHAIN_CFLAGS_JDK_CONLY $DEBUG_SYMBOLS_CFLAGS_JDK \
+      $WARNING_CFLAGS_JDK_CONLY ${$2EXTRA_CFLAGS}"
+  CFLAGS_JDK_COMMON_CXXONLY="$ALWAYS_DEFINES_JDK_CXXONLY $TOOLCHAIN_CFLAGS_JDK_CXXONLY \
+      $DEBUG_SYMBOLS_CXXFLAGS_JDK $WARNING_CFLAGS_JDK_CXXONLY ${$2EXTRA_CXXFLAGS}"
+
+  $1_CFLAGS_JVM="${$1_DEFINES_CPU_JVM} ${$1_CFLAGS_CPU} ${$1_CFLAGS_CPU_JVM} ${$1_TOOLCHAIN_CFLAGS} ${$1_WARNING_CFLAGS_JVM}"
+  $1_CFLAGS_JDK="${$1_DEFINES_CPU_JDK} ${$1_CFLAGS_CPU} ${$1_CFLAGS_CPU_JDK} ${$1_TOOLCHAIN_CFLAGS}"
+
+  $2JVM_CFLAGS="$CFLAGS_JVM_COMMON ${$1_CFLAGS_JVM} ${$2EXTRA_CXXFLAGS}"
+
+  $2CFLAGS_JDKEXE="$CFLAGS_JDK_COMMON $CFLAGS_JDK_COMMON_CONLY ${$1_CFLAGS_JDK}"
+  $2CXXFLAGS_JDKEXE="$CFLAGS_JDK_COMMON $CFLAGS_JDK_COMMON_CXXONLY ${$1_CFLAGS_JDK}"
+  $2CFLAGS_JDKLIB="${$2CFLAGS_JDKEXE} $JDK_PICFLAG ${$1_CFLAGS_CPU_JDK_LIBONLY}"
+  $2CXXFLAGS_JDKLIB="${$2CXXFLAGS_JDKEXE} $JDK_PICFLAG ${$1_CFLAGS_CPU_JDK_LIBONLY}"
+
+  AC_SUBST($2JVM_CFLAGS)
+  AC_SUBST($2CFLAGS_JDKLIB)
+  AC_SUBST($2CFLAGS_JDKEXE)
+  AC_SUBST($2CXXFLAGS_JDKLIB)
+  AC_SUBST($2CXXFLAGS_JDKEXE)
+])
+
+# FLAGS_SETUP_GCC6_COMPILER_FLAGS([PREFIX])
+# Arguments:
+# $1 - Prefix for each variable defined.
+AC_DEFUN([FLAGS_SETUP_GCC6_COMPILER_FLAGS],
+[
+  # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code
+  # runs afoul of the more aggressive versions of these optimisations.
+  # Notably, value range propagation now assumes that the this pointer of C++
+  # member functions is non-null.
+  NO_DELETE_NULL_POINTER_CHECKS_CFLAG="-fno-delete-null-pointer-checks"
+  dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation
+  dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror],
+  dnl					     IF_FALSE: [NO_DELETE_NULL_POINTER_CHECKS_CFLAG=""])
+  NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse"
+  dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation
+  dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_LIFETIME_DSE_CFLAG -Werror],
+  dnl					     IF_FALSE: [NO_LIFETIME_DSE_CFLAG=""])
+  AC_MSG_NOTICE([GCC >= 6 detected; adding ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} and ${NO_LIFETIME_DSE_CFLAG}])
+  $1_GCC6_CFLAGS="${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}"
+])
+
+# Documentation on common flags used for solstudio in HIGHEST.
+#
+# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
+#          done with care, there are some assumptions below that need to
+#          be understood about the use of pointers, and IEEE behavior.
+#
+# -fns: Use non-standard floating point mode (not IEEE 754)
+# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754)
+# -fsingle: Use single precision floating point with 'float'
+# -xalias_level=basic: Assume memory references via basic pointer types do not alias
+#   (Source with excessing pointer casting and data access with mixed
+#    pointer types are not recommended)
+# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions
+#   (If you expect perfect errno behavior, do not use this)
+# -xdepend: Loop data dependency optimizations (need -xO3 or higher)
+# -xrestrict: Pointer parameters to functions do not overlap
+#   (Similar to -xalias_level=basic usage, but less obvious sometimes.
+#    If you pass in multiple pointers to the same data, do not use this)
+# -xlibmil: Inline some library routines
+#   (If you expect perfect errno behavior, do not use this)
+# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED)
+#   (If you expect perfect errno behavior, do not use this)
+#  Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/autoconf/flags-ldflags.m4	Fri Mar 02 10:59:25 2018 +0100
@@ -0,0 +1,234 @@
+#
+# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.  Oracle designates this
+# particular file as subject to the "Classpath" exception as provided
+# by Oracle in the LICENSE file that accompanied this code.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+################################################################################
+#
+
+AC_DEFUN([FLAGS_SETUP_LDFLAGS],
+[
+  FLAGS_SETUP_LDFLAGS_HELPER
+
+  # Setup the target toolchain
+
+  # On some platforms (mac) the linker warns about non existing -L dirs.
+  # For any of the variants server, client or minimal, the dir matches the
+  # variant name. The "main" variant should be used for linking. For the
+  # rest, the dir is just server.
+  if HOTSPOT_CHECK_JVM_VARIANT(server) || HOTSPOT_CHECK_JVM_VARIANT(client) \
+      || HOTSPOT_CHECK_JVM_VARIANT(minimal); then
+    TARGET_JVM_VARIANT_PATH=$JVM_VARIANT_MAIN
+  else
+    TARGET_JVM_VARIANT_PATH=server
+  fi
+  FLAGS_SETUP_LDFLAGS_CPU_DEP([TARGET])
+
+  # Setup the build toolchain
+
+  # When building a buildjdk, it's always only the server variant
+  BUILD_JVM_VARIANT_PATH=server
+
+  FLAGS_SETUP_LDFLAGS_CPU_DEP([BUILD], [OPENJDK_BUILD_])
+
+  LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB"
+  LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE ${TARGET_LDFLAGS_JDK_LIBPATH}"
+  AC_SUBST(LDFLAGS_TESTLIB)
+  AC_SUBST(LDFLAGS_TESTEXE)
+])
+
+################################################################################
+
+# CPU independent LDFLAGS setup, used for both target and build toolchain.
+AC_DEFUN([FLAGS_SETUP_LDFLAGS_HELPER],
+[
+  # Setup basic LDFLAGS
+  if test "x$TOOLCHAIN_TYPE" = xgcc; then
+    # "-z relro" supported in GNU binutils 2.17 and later
+    LINKER_RELRO_FLAG="-Wl,-z,relro"
+    FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [$LINKER_RELRO_FLAG],
+      IF_TRUE: [HAS_LINKER_RELRO=true],
+      IF_FALSE: [HAS_LINKER_RELRO=false])
+
+    # "-z now" supported in GNU binutils 2.11 and later
+    LINKER_NOW_FLAG="-Wl,-z,now"
+    FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [$LINKER_NOW_FLAG],
+      IF_TRUE: [HAS_LINKER_NOW=true],
+      IF_FALSE: [HAS_LINKER_NOW=false])
+
+    # If this is a --hash-style=gnu system, use --hash-style=both, why?
+    # We have previously set HAS_GNU_HASH if this is the case
+    if test -n "$HAS_GNU_HASH"; then
+      BASIC_LDFLAGS="-Wl,--hash-style=both"
+      LIBJSIG_HASHSTYLE_LDFLAGS="-Wl,--hash-style=both"
+    fi
+
+    # And since we now know that the linker is gnu, then add -z defs, to forbid
+    # undefined symbols in object files.
+    BASIC_LDFLAGS="$BASIC_LDFLAGS -Wl,-z,defs"
+
+    BASIC_LDFLAGS_JVM_ONLY="-Wl,-z,noexecstack -Wl,-O1"
+
+    BASIC_LDFLAGS_JDK_LIB_ONLY="-Wl,-z,noexecstack"
+    LIBJSIG_NOEXECSTACK_LDFLAGS="-Wl,-z,noexecstack"
+
+
+    if test "x$HAS_LINKER_RELRO" = "xtrue"; then
+      BASIC_LDFLAGS_JVM_ONLY="$BASIC_LDFLAGS_JVM_ONLY $LINKER_RELRO_FLAG"
+    fi
+
+  elif test "x$TOOLCHAIN_TYPE" = xclang; then
+    BASIC_LDFLAGS_JVM_ONLY="-mno-omit-leaf-frame-pointer -mstack-alignment=16 \
+        -stdlib=libstdc++ -fPIC"
+
+  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    BASIC_LDFLAGS="-Wl,-z,defs"
+    BASIC_LDFLAGS_ONLYCXX="-norunpath"
+    BASIC_LDFLAGS_ONLYCXX_JDK_ONLY="-xnolib"
+
+    BASIC_LDFLAGS_JDK_ONLY="-ztext"
+    BASIC_LDFLAGS_JVM_ONLY="-library=%none -mt -z noversion"
+
+  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
+    BASIC_LDFLAGS="-b64 -brtl -bnolibpath -bexpall -bernotok -btextpsize:64K \
+        -bdatapsize:64K -bstackpsize:64K"
+    BASIC_LDFLAGS_JVM_ONLY="-Wl,-lC_r"
+
+  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    BASIC_LDFLAGS="-nologo -opt:ref"
+    BASIC_LDFLAGS_JDK_ONLY="-incremental:no"
+    BASIC_LDFLAGS_JVM_ONLY="-opt:icf,8 -subsystem:windows -base:0x8000000"
+  fi
+
+  # Setup OS-dependent LDFLAGS
+  if test "x$TOOLCHAIN_TYPE" = xclang || test "x$TOOLCHAIN_TYPE" = xgcc; then
+    if test "x$OPENJDK_TARGET_OS" = xmacosx; then
+      # Assume clang or gcc.
+      # FIXME: We should really generalize SET_SHARED_LIBRARY_ORIGIN instead.
+      OS_LDFLAGS_JVM_ONLY="-Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.."
+      OS_LDFLAGS_JDK_ONLY="-mmacosx-version-min=$MACOSX_VERSION_MIN"
+    fi
+  fi
+
+  # Setup debug level-dependent LDFLAGS
+  if test "x$TOOLCHAIN_TYPE" = xgcc; then
+    if test "x$OPENJDK_TARGET_OS" = xlinux; then
+       if test x$DEBUG_LEVEL = xrelease; then
+          DEBUGLEVEL_LDFLAGS_JDK_ONLY="$DEBUGLEVEL_LDFLAGS_JDK_ONLY -Wl,-O1"
+       else
+          # mark relocations read only on (fast/slow) debug builds
+          if test "x$HAS_LINKER_RELRO" = "xtrue"; then
+            DEBUGLEVEL_LDFLAGS_JDK_ONLY="$LINKER_RELRO_FLAG"
+          fi
+       fi
+       if test x$DEBUG_LEVEL = xslowdebug; then
+          if test "x$HAS_LINKER_NOW" = "xtrue"; then
+            # do relocations at load
+            DEBUGLEVEL_LDFLAGS="$LINKER_NOW_FLAG"
+          fi
+       fi
+    fi
+
+  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
+    # We need '-qminimaltoc' or '-qpic=large -bbigtoc' if the TOC overflows.
+    # Hotspot now overflows its 64K TOC (currently only for debug),
+    # so we build with '-qpic=large -bbigtoc'.
+    if test "x$DEBUG_LEVEL" != xrelease; then
+      DEBUGLEVEL_LDFLAGS_JVM_ONLY="$DEBUGLEVEL_LDFLAGS_JVM_ONLY -bbigtoc"
+    fi
+  fi
+
+  # Setup LDFLAGS for linking executables
+  if test "x$TOOLCHAIN_TYPE" = xgcc; then
+    EXECUTABLE_LDFLAGS="$EXECUTABLE_LDFLAGS -Wl,--allow-shlib-undefined"
+  fi
+
+  # Export some intermediate variables for compatibility
+  LDFLAGS_CXX_JDK="$BASIC_LDFLAGS_ONLYCXX $BASIC_LDFLAGS_ONLYCXX_JDK_ONLY $DEBUGLEVEL_LDFLAGS_JDK_ONLY"
+  AC_SUBST(LDFLAGS_CXX_JDK)
+  AC_SUBST(LIBJSIG_HASHSTYLE_LDFLAGS)
+  AC_SUBST(LIBJSIG_NOEXECSTACK_LDFLAGS)
+])
+
+################################################################################
+# $1 - Either BUILD or TARGET to pick the correct OS/CPU variables to check
+#      conditionals against.
+# $2 - Optional prefix for each variable defined.
+AC_DEFUN([FLAGS_SETUP_LDFLAGS_CPU_DEP],
+[
+  # Setup CPU-dependent basic LDFLAGS. These can differ between the target and
+  # build toolchain.
+  if test "x$TOOLCHAIN_TYPE" = xgcc; then
+    if test "x${OPENJDK_$1_CPU}" = xx86; then
+      $1_CPU_LDFLAGS_JVM_ONLY="-march=i586"
+    elif test "x$OPENJDK_$1_CPU" = xarm; then
+      $1_CPU_LDFLAGS_JVM_ONLY="${$1_CPU_LDFLAGS_JVM_ONLY} -fsigned-char"
+      $1_CPU_LDFLAGS="$ARM_ARCH_TYPE_FLAGS $ARM_FLOAT_TYPE_FLAGS"
+    elif test "x$FLAGS_CPU" = xaarch64; then
+      if test "x$HOTSPOT_TARGET_CPU_PORT" = xarm64; then
+        $1_CPU_LDFLAGS_JVM_ONLY="${$1_CPU_LDFLAGS_JVM_ONLY} -fsigned-char"
+      fi
+    fi
+
+  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    if test "x${OPENJDK_$1_CPU}" = "xsparcv9"; then
+      $1_CPU_LDFLAGS_JVM_ONLY="-xarch=sparc"
+    fi
+
+  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    if test "x${OPENJDK_$1_CPU}" = "xx86"; then
+      $1_CPU_LDFLAGS="-safeseh"
+      # NOTE: Old build added -machine. Probably not needed.
+      $1_CPU_LDFLAGS_JVM_ONLY="-machine:I386"
+      $1_CPU_EXECUTABLE_LDFLAGS="-stack:327680"
+    else
+      $1_CPU_LDFLAGS_JVM_ONLY="-machine:AMD64"
+      $1_CPU_EXECUTABLE_LDFLAGS="-stack:1048576"
+    fi
+  fi
+
+  # JVM_VARIANT_PATH depends on if this is build or target...
+  if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    $1_LDFLAGS_JDK_LIBPATH="-libpath:${OUTPUTDIR}/support/modules_libs/java.base"
+  else
+    $1_LDFLAGS_JDK_LIBPATH="-L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base \
+        -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base/${$1_JVM_VARIANT_PATH}"
+  fi
+
+  # Export variables according to old definitions, prefix with $2 if present.
+  LDFLAGS_JDK_COMMON="$BASIC_LDFLAGS $BASIC_LDFLAGS_JDK_ONLY \
+      $OS_LDFLAGS_JDK_ONLY $DEBUGLEVEL_LDFLAGS_JDK_ONLY ${$2EXTRA_LDFLAGS}"
+  $2LDFLAGS_JDKLIB="$LDFLAGS_JDK_COMMON $BASIC_LDFLAGS_JDK_LIB_ONLY \
+      ${$1_LDFLAGS_JDK_LIBPATH} $SHARED_LIBRARY_FLAGS"
+  $2LDFLAGS_JDKEXE="$LDFLAGS_JDK_COMMON $EXECUTABLE_LDFLAGS \
+      ${$1_CPU_EXECUTABLE_LDFLAGS}"
+
+  $2JVM_LDFLAGS="$BASIC_LDFLAGS $BASIC_LDFLAGS_JVM_ONLY $OS_LDFLAGS_JVM_ONLY \
+      $DEBUGLEVEL_LDFLAGS $DEBUGLEVEL_LDFLAGS_JVM_ONLY $BASIC_LDFLAGS_ONLYCXX \
+      ${$1_CPU_LDFLAGS} ${$1_CPU_LDFLAGS_JVM_ONLY} ${$2EXTRA_LDFLAGS}"
+
+  AC_SUBST($2LDFLAGS_JDKLIB)
+  AC_SUBST($2LDFLAGS_JDKEXE)
+
+  AC_SUBST($2JVM_LDFLAGS)
+])
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/make/autoconf/flags-other.m4	Fri Mar 02 10:59:25 2018 +0100
@@ -0,0 +1,126 @@
+#
+# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.  Oracle designates this
+# particular file as subject to the "Classpath" exception as provided
+# by Oracle in the LICENSE file that accompanied this code.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+################################################################################
+#
+# Setup flags for other tools than C/C++ compiler
+#
+
+AC_DEFUN([FLAGS_SETUP_ARFLAGS],
+[
+  # FIXME: figure out if we should select AR flags depending on OS or toolchain.
+  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
+    ARFLAGS="-r -mmacosx-version-min=$MACOSX_VERSION_MIN"
+  elif test "x$OPENJDK_TARGET_OS" = xaix; then
+    ARFLAGS="-X64"
+  elif test "x$OPENJDK_TARGET_OS" = xwindows; then
+    # lib.exe is used as AR to create static libraries.
+    ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
+  else
+    ARFLAGS=""
+  fi
+
+  AC_SUBST(ARFLAGS)
+])
+
+AC_DEFUN([FLAGS_SETUP_STRIPFLAGS],
+[
+  ## Setup strip.
+  # FIXME: should this really be per platform, or should it be per toolchain type?
+  # strip is not provided by clang or solstudio; so guessing platform makes most sense.
+  # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD.
+  if test "x$OPENJDK_TARGET_OS" = xlinux; then
+    STRIPFLAGS="-g"
+  elif test "x$OPENJDK_TARGET_OS" = xsolaris; then
+    STRIPFLAGS="-x"
+  elif test "x$OPENJDK_TARGET_OS" = xmacosx; then
+    STRIPFLAGS="-S"
+  elif test "x$OPENJDK_TARGET_OS" = xaix; then
+    STRIPFLAGS="-X32_64"
+  fi
+
+  AC_SUBST(STRIPFLAGS)
+])
+
+AC_DEFUN([FLAGS_SETUP_RCFLAGS],
+[
+  # On Windows, we need to set RC flags.
+  if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
+    RC_FLAGS="-nologo -l0x409"
+    JVM_RCFLAGS="-nologo"
+    if test "x$DEBUG_LEVEL" = xrelease; then
+      RC_FLAGS="$RC_FLAGS -DNDEBUG"
+      JVM_RCFLAGS="$JVM_RCFLAGS -DNDEBUG"
+    fi
+
+    # The version variables used to create RC_FLAGS may be overridden
+    # in a custom configure script, or possibly the command line.
+    # Let those variables be expanded at make time in spec.gmk.
+    # The \$ are escaped to the shell, and the $(...) variables
+    # are evaluated by make.
+    RC_FLAGS="$RC_FLAGS \
+        -D\"JDK_VERSION_STRING=\$(VERSION_STRING)\" \
+        -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \
+        -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \
+        -D\"JDK_VER=\$(VERSION_NUMBER)\" \
+        -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \
+        -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(VERSION_FEATURE)\" \
+        -D\"JDK_FVER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\""
+
+    JVM_RCFLAGS="$JVM_RCFLAGS \
+        -D\"HS_BUILD_ID=\$(VERSION_STRING)\" \
+        -D\"HS_COMPANY=\$(COMPANY_NAME)\" \
+        -D\"JDK_DOTVER=\$(VERSION_NUMBER_FOUR_POSITIONS)\" \
+        -D\"HS_COPYRIGHT=Copyright $COPYRIGHT_YEAR\" \
+        -D\"HS_NAME=\$(PRODUCT_NAME) \$(VERSION_SHORT)\" \
+        -D\"JDK_VER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\" \
+        -D\"HS_FNAME=jvm.dll\" \
+        -D\"HS_INTERNAL_NAME=jvm\""
+  fi
+  AC_SUBST(RC_FLAGS)
+  AC_SUBST(JVM_RCFLAGS)
+])
+
+################################################################################
+# platform independent
+AC_DEFUN([FLAGS_SETUP_ASFLAGS],
+[
+  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
+    JVM_BASIC_ASFLAGS="-x assembler-with-cpp -mno-omit-leaf-frame-pointer -mstack-alignment=16"
+  fi
+])
+
+################################################################################
+# $1 - Either BUILD or TARGET to pick the correct OS/CPU variables to check
+#      conditionals against.
+# $2 - Optional prefix for each variable defined.
+AC_DEFUN([FLAGS_SETUP_ASFLAGS_CPU_DEP],
+[
+  # Misuse EXTRA_CFLAGS to mimic old behavior
+  $2JVM_ASFLAGS="$JVM_BASIC_ASFLAGS ${$2EXTRA_CFLAGS}"
+
+  AC_SUBST($2JVM_ASFLAGS)
+])
+
--- a/make/autoconf/flags.m4	Fri Mar 02 00:33:00 2018 -0800
+++ b/make/autoconf/flags.m4	Fri Mar 02 10:59:25 2018 +0100
@@ -23,6 +23,10 @@
 # questions.
 #
 
+m4_include([flags-cflags.m4])
+m4_include([flags-ldflags.m4])
+m4_include([flags-other.m4])
+
 ################################################################################
 #
 # Setup ABI profile (for arm)
@@ -94,21 +98,6 @@
     AC_MSG_CHECKING([for ABI property name])
     AC_MSG_RESULT([$JDK_ARCH_ABI_PROP_NAME])
     AC_SUBST(JDK_ARCH_ABI_PROP_NAME)
-
-    # Pass these on to the open part of configure as if they were set using
-    # --with-extra-c[xx]flags.
-    EXTRA_CFLAGS="$EXTRA_CFLAGS $ARM_ARCH_TYPE_FLAGS $ARM_FLOAT_TYPE_FLAGS"
-    EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS $ARM_ARCH_TYPE_FLAGS $ARM_FLOAT_TYPE_FLAGS"
-    # Get rid of annoying "note: the mangling of 'va_list' has changed in GCC 4.4"
-    # FIXME: This should not really be set using extra_cflags.
-    if test "x$OPENJDK_TARGET_CPU" = xarm; then
-        EXTRA_CFLAGS="$EXTRA_CFLAGS -Wno-psabi"
-        EXTRA_CXXFLAGS="$EXTRA_CXXFLAGS -Wno-psabi"
-    fi
-    # Also add JDK_ARCH_ABI_PROP_NAME define, but only to CFLAGS.
-    EXTRA_CFLAGS="$EXTRA_CFLAGS -DJDK_ARCH_ABI_PROP_NAME='\"\$(JDK_ARCH_ABI_PROP_NAME)\"'"
-    # And pass the architecture flags to the linker as well
-    EXTRA_LDFLAGS="$EXTRA_LDFLAGS $ARM_ARCH_TYPE_FLAGS $ARM_FLOAT_TYPE_FLAGS"
   fi
 
   # When building with an abi profile, the name of that profile is appended on the
@@ -118,19 +107,58 @@
   fi
 ])
 
+AC_DEFUN([FLAGS_SETUP_MACOSX_VERSION],
+[
+  # Additional macosx handling
+  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
+    # MACOSX_VERSION_MIN specifies the lowest version of Macosx that the built
+    # binaries should be compatible with, even if compiled on a newer version
+    # of the OS. It currently has a hard coded value. Setting this also limits
+    # exposure to API changes in header files. Bumping this is likely to
+    # require code changes to build.
+    MACOSX_VERSION_MIN=10.7.0
+    MACOSX_VERSION_MIN_NODOTS=${MACOSX_VERSION_MIN//\./}
+
+    AC_SUBST(MACOSX_VERSION_MIN)
+
+    # Setting --with-macosx-version-max=<version> makes it an error to build or
+    # link to macosx APIs that are newer than the given OS version. The expected
+    # format for <version> is either nn.n.n or nn.nn.nn. See /usr/include/AvailabilityMacros.h.
+    AC_ARG_WITH([macosx-version-max], [AS_HELP_STRING([--with-macosx-version-max],
+        [error on use of newer functionality. @<:@macosx@:>@])],
+        [
+          if echo "$with_macosx_version_max" | $GREP -q "^[[0-9]][[0-9]]\.[[0-9]]\.[[0-9]]\$"; then
+              MACOSX_VERSION_MAX=$with_macosx_version_max
+          elif echo "$with_macosx_version_max" | $GREP -q "^[[0-9]][[0-9]]\.[[0-9]][[0-9]]\.[[0-9]][[0-9]]\$"; then
+              MACOSX_VERSION_MAX=$with_macosx_version_max
+          elif test "x$with_macosx_version_max" = "xno"; then
+              # Use build system default
+              MACOSX_VERSION_MAX=
+          else
+              AC_MSG_ERROR([osx version format must be nn.n.n or nn.nn.nn])
+          fi
+        ],
+        [MACOSX_VERSION_MAX=]
+    )
+    MACOSX_VERSION_MAX_NODOTS=${MACOSX_VERSION_MAX//\./}
+
+    AC_SUBST(MACOSX_VERSION_MAX)
+  fi
+])
+
 # Reset the global CFLAGS/LDFLAGS variables and initialize them with the
 # corresponding configure arguments instead
 AC_DEFUN_ONCE([FLAGS_SETUP_USER_SUPPLIED_FLAGS],
 [
-  if test "x$CFLAGS" != "x${ADDED_CFLAGS}"; then
+  if test "x$CFLAGS" != "x"; then
     AC_MSG_WARN([Ignoring CFLAGS($CFLAGS) found in environment. Use --with-extra-cflags])
   fi
 
-  if test "x$CXXFLAGS" != "x${ADDED_CXXFLAGS}"; then
+  if test "x$CXXFLAGS" != "x"; then
     AC_MSG_WARN([Ignoring CXXFLAGS($CXXFLAGS) found in environment. Use --with-extra-cxxflags])
   fi
 
-  if test "x$LDFLAGS" != "x${ADDED_LDFLAGS}"; then
+  if test "x$LDFLAGS" != "x"; then
     AC_MSG_WARN([Ignoring LDFLAGS($LDFLAGS) found in environment. Use --with-extra-ldflags])
   fi
 
@@ -143,20 +171,9 @@
   AC_ARG_WITH(extra-ldflags, [AS_HELP_STRING([--with-extra-ldflags],
       [extra flags to be used when linking jdk])])
 
-  EXTRA_CFLAGS="$with_extra_cflags"
-  EXTRA_CXXFLAGS="$with_extra_cxxflags"
-  EXTRA_LDFLAGS="$with_extra_ldflags"
-
-  AC_SUBST(EXTRA_CFLAGS)
-  AC_SUBST(EXTRA_CXXFLAGS)
-  AC_SUBST(EXTRA_LDFLAGS)
-
-  # The global CFLAGS and LDLAGS variables are used by configure tests and
-  # should include the extra parameters
-  CFLAGS="$EXTRA_CFLAGS"
-  CXXFLAGS="$EXTRA_CXXFLAGS"
-  LDFLAGS="$EXTRA_LDFLAGS"
-  CPPFLAGS=""
+  USER_CFLAGS="$with_extra_cflags"
+  USER_CXXFLAGS="$with_extra_cxxflags"
+  USER_LDFLAGS="$with_extra_ldflags"
 ])
 
 # Setup the sysroot flags and add them to global CFLAGS and LDFLAGS so
@@ -193,11 +210,6 @@
       $1SYSROOT_CFLAGS="-isysroot [$]$1SYSROOT"
       $1SYSROOT_LDFLAGS="-isysroot [$]$1SYSROOT"
     fi
-    # The global CFLAGS and LDFLAGS variables need these for configure to function
-    $1CFLAGS="[$]$1CFLAGS [$]$1SYSROOT_CFLAGS"
-    $1CPPFLAGS="[$]$1CPPFLAGS [$]$1SYSROOT_CFLAGS"
-    $1CXXFLAGS="[$]$1CXXFLAGS [$]$1SYSROOT_CFLAGS"
-    $1LDFLAGS="[$]$1LDFLAGS [$]$1SYSROOT_LDFLAGS"
   fi
 
   if test "x$OPENJDK_TARGET_OS" = xmacosx; then
@@ -214,7 +226,50 @@
   AC_SUBST($1SYSROOT_LDFLAGS)
 ])
 
-AC_DEFUN_ONCE([FLAGS_SETUP_INIT_FLAGS],
+AC_DEFUN_ONCE([FLAGS_PRE_TOOLCHAIN],
+[
+  # We should always include user supplied flags
+  FLAGS_SETUP_USER_SUPPLIED_FLAGS
+  # The sysroot flags are needed for configure to be able to run the compilers
+  FLAGS_SETUP_SYSROOT_FLAGS
+
+  if test "x$TOOLCHAIN_TYPE" = xxlc; then
+    MACHINE_FLAG="-q${OPENJDK_TARGET_CPU_BITS}"
+  elif test "x$TOOLCHAIN_TYPE" != xmicrosoft; then
+    MACHINE_FLAG="-m${OPENJDK_TARGET_CPU_BITS}"
+  fi
+
+  # FIXME: global flags are not used yet...
+  # The "global" flags will *always* be set. Without them, it is not possible to
+  # get a working compilation.
+  GLOBAL_CFLAGS="$MACHINE_FLAG $SYSROOT_CFLAGS $USER_CFLAGS"
+  GLOBAL_CXXFLAGS="$MACHINE_FLAG $SYSROOT_CFLAGS $USER_CXXFLAGS"
+  GLOBAL_LDFLAGS="$MACHINE_FLAG $SYSROOT_LDFLAGS $USER_LDFLAGS"
+  # FIXME: Don't really know how to do with this, but this was the old behavior
+  GLOBAL_CPPFLAGS="$SYSROOT_CFLAGS"
+  AC_SUBST(GLOBAL_CFLAGS)
+  AC_SUBST(GLOBAL_CXXFLAGS)
+  AC_SUBST(GLOBAL_LDFLAGS)
+  AC_SUBST(GLOBAL_CPPFLAGS)
+
+  # FIXME: For compatilibity, export this as EXTRA_CFLAGS for now.
+  EXTRA_CFLAGS="$MACHINE_FLAG $USER_CFLAGS"
+  EXTRA_CXXFLAGS="$MACHINE_FLAG $USER_CXXFLAGS"
+  EXTRA_LDFLAGS="$MACHINE_FLAG $USER_LDFLAGS"
+
+  AC_SUBST(EXTRA_CFLAGS)
+  AC_SUBST(EXTRA_CXXFLAGS)
+  AC_SUBST(EXTRA_LDFLAGS)
+
+  # For autoconf testing to work, the global flags must also be stored in the
+  # "unnamed" CFLAGS etc.
+  CFLAGS="$GLOBAL_CFLAGS"
+  CXXFLAGS="$GLOBAL_CXXFLAGS"
+  LDFLAGS="$GLOBAL_LDFLAGS"
+  CPPFLAGS="$GLOBAL_CPPFLAGS"
+])
+
+AC_DEFUN([FLAGS_SETUP_TOOLCHAIN_CONTROL],
 [
   # COMPILER_TARGET_BITS_FLAG  : option for selecting 32- or 64-bit output
   # COMPILER_COMMAND_FILE_FLAG : option for passing a command file to the compiler
@@ -249,38 +304,17 @@
       $RM command.file
     fi
   fi
+
   AC_SUBST(COMPILER_TARGET_BITS_FLAG)
   AC_SUBST(COMPILER_COMMAND_FILE_FLAG)
   AC_SUBST(COMPILER_BINDCMD_FILE_FLAG)
 
-  # FIXME: figure out if we should select AR flags depending on OS or toolchain.
-  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
-    ARFLAGS="-r"
-  elif test "x$OPENJDK_TARGET_OS" = xaix; then
-    ARFLAGS="-X64"
-  elif test "x$OPENJDK_TARGET_OS" = xwindows; then
-    # lib.exe is used as AR to create static libraries.
-    ARFLAGS="-nologo -NODEFAULTLIB:MSVCRT"
-  else
-    ARFLAGS=""
-  fi
-  AC_SUBST(ARFLAGS)
-
-  ## Setup strip.
-  # FIXME: should this really be per platform, or should it be per toolchain type?
-  # strip is not provided by clang or solstudio; so guessing platform makes most sense.
-  # FIXME: we should really only export STRIPFLAGS from here, not POST_STRIP_CMD.
-  if test "x$OPENJDK_TARGET_OS" = xlinux; then
-    STRIPFLAGS="-g"
-  elif test "x$OPENJDK_TARGET_OS" = xsolaris; then
-    STRIPFLAGS="-x"
-  elif test "x$OPENJDK_TARGET_OS" = xmacosx; then
-    STRIPFLAGS="-S"
-  elif test "x$OPENJDK_TARGET_OS" = xaix; then
-    STRIPFLAGS="-X32_64"
-  fi
-
-  AC_SUBST(STRIPFLAGS)
+  # Check that the compiler supports -mX (or -qX on AIX) flags
+  # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
+  FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}],
+      IF_TRUE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
+      IF_FALSE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
+  AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
 
   if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
     CC_OUT_OPTION=-Fo
@@ -303,216 +337,6 @@
   AC_SUBST(LD_OUT_OPTION)
   AC_SUBST(AR_OUT_OPTION)
 
-  # On Windows, we need to set RC flags.
-  if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
-    RC_FLAGS="-nologo -l0x409"
-    JVM_RCFLAGS="-nologo"
-    if test "x$DEBUG_LEVEL" = xrelease; then
-      RC_FLAGS="$RC_FLAGS -DNDEBUG"
-      JVM_RCFLAGS="$JVM_RCFLAGS -DNDEBUG"
-    fi
-
-    # The version variables used to create RC_FLAGS may be overridden
-    # in a custom configure script, or possibly the command line.
-    # Let those variables be expanded at make time in spec.gmk.
-    # The \$ are escaped to the shell, and the $(...) variables
-    # are evaluated by make.
-    RC_FLAGS="$RC_FLAGS \
-        -D\"JDK_VERSION_STRING=\$(VERSION_STRING)\" \
-        -D\"JDK_COMPANY=\$(COMPANY_NAME)\" \
-        -D\"JDK_COMPONENT=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) binary\" \
-        -D\"JDK_VER=\$(VERSION_NUMBER)\" \
-        -D\"JDK_COPYRIGHT=Copyright \xA9 $COPYRIGHT_YEAR\" \
-        -D\"JDK_NAME=\$(PRODUCT_NAME) \$(JDK_RC_PLATFORM_NAME) \$(VERSION_FEATURE)\" \
-        -D\"JDK_FVER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\""
-
-    JVM_RCFLAGS="$JVM_RCFLAGS \
-        -D\"HS_BUILD_ID=\$(VERSION_STRING)\" \
-        -D\"HS_COMPANY=\$(COMPANY_NAME)\" \
-        -D\"JDK_DOTVER=\$(VERSION_NUMBER_FOUR_POSITIONS)\" \
-        -D\"HS_COPYRIGHT=Copyright $COPYRIGHT_YEAR\" \
-        -D\"HS_NAME=\$(PRODUCT_NAME) \$(VERSION_SHORT)\" \
-        -D\"JDK_VER=\$(subst .,\$(COMMA),\$(VERSION_NUMBER_FOUR_POSITIONS))\" \
-        -D\"HS_FNAME=jvm.dll\" \
-        -D\"HS_INTERNAL_NAME=jvm\""
-  fi
-  AC_SUBST(RC_FLAGS)
-  AC_SUBST(JVM_RCFLAGS)
-
-  if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
-    # silence copyright notice and other headers.
-    COMMON_CCXXFLAGS="$COMMON_CCXXFLAGS -nologo"
-  fi
-])
-
-AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_LIBS],
-[
-  ###############################################################################
-  #
-  # How to compile shared libraries.
-  #
-
-  if test "x$TOOLCHAIN_TYPE" = xgcc; then
-    PICFLAG="-fPIC"
-    C_FLAG_REORDER=''
-    CXX_FLAG_REORDER=''
-
-    if test "x$OPENJDK_TARGET_OS" = xmacosx; then
-      # Linking is different on MacOSX
-      if test "x$STATIC_BUILD" = xtrue; then
-        SHARED_LIBRARY_FLAGS ='-undefined dynamic_lookup'
-      else
-        SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
-        JVM_CFLAGS="$JVM_CFLAGS $PICFLAG"
-      fi
-      SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path$(or [$]1,/.)'
-      SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
-      SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1'
-      SET_SHARED_LIBRARY_MAPFILE='-Wl,-exported_symbols_list,[$]1'
-    else
-      # Default works for linux, might work on other platforms as well.
-      SHARED_LIBRARY_FLAGS='-shared'
-      SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$ORIGIN[$]1'
-      SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN"
-      SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1'
-      SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1'
-    fi
-  elif test "x$TOOLCHAIN_TYPE" = xclang; then
-    C_FLAG_REORDER=''
-    CXX_FLAG_REORDER=''
-
-    if test "x$OPENJDK_TARGET_OS" = xmacosx; then
-      # Linking is different on MacOSX
-      PICFLAG=''
-      SHARED_LIBRARY_FLAGS="-dynamiclib -compatibility_version 1.0.0 -current_version 1.0.0 $PICFLAG"
-      SET_EXECUTABLE_ORIGIN='-Wl,-rpath,@loader_path$(or [$]1,/.)'
-      SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
-      SET_SHARED_LIBRARY_NAME='-Wl,-install_name,@rpath/[$]1'
-      SET_SHARED_LIBRARY_MAPFILE='-Wl,-exported_symbols_list,[$]1'
-
-      if test "x$STATIC_BUILD" = xfalse; then
-        JVM_CFLAGS="$JVM_CFLAGS -fPIC"
-      fi
-    else
-      # Default works for linux, might work on other platforms as well.
-      PICFLAG='-fPIC'
-      SHARED_LIBRARY_FLAGS='-shared'
-      SET_EXECUTABLE_ORIGIN='-Wl,-rpath,\$$ORIGIN[$]1'
-      SET_SHARED_LIBRARY_NAME='-Wl,-soname=[$]1'
-      SET_SHARED_LIBRARY_MAPFILE='-Wl,-version-script=[$]1'
-
-      # arm specific settings
-      if test "x$OPENJDK_TARGET_CPU" = "xarm"; then
-        # '-Wl,-z,origin' isn't used on arm.
-        SET_SHARED_LIBRARY_ORIGIN='-Wl,-rpath,\$$$$ORIGIN[$]1'
-      else
-        SET_SHARED_LIBRARY_ORIGIN="-Wl,-z,origin $SET_EXECUTABLE_ORIGIN"
-      fi
-
-    fi
-  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
-    if test "x$OPENJDK_TARGET_CPU" = xsparcv9; then
-      PICFLAG="-xcode=pic32"
-    else
-      PICFLAG="-KPIC"
-    fi
-    C_FLAG_REORDER='-xF'
-    CXX_FLAG_REORDER='-xF'
-    SHARED_LIBRARY_FLAGS="-G"
-    SET_EXECUTABLE_ORIGIN='-R\$$ORIGIN[$]1'
-    SET_SHARED_LIBRARY_ORIGIN="$SET_EXECUTABLE_ORIGIN"
-    SET_SHARED_LIBRARY_NAME='-h [$]1'
-    SET_SHARED_LIBRARY_MAPFILE='-M[$]1'
-  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
-    # '-qpic' defaults to 'qpic=small'. This means that the compiler generates only
-    # one instruction for accessing the TOC. If the TOC grows larger than 64K, the linker
-    # will have to patch this single instruction with a call to some out-of-order code which
-    # does the load from the TOC. This is of course slow. But in that case we also would have
-    # to use '-bbigtoc' for linking anyway so we could also change the PICFLAG to 'qpic=large'.
-    # With 'qpic=large' the compiler will by default generate a two-instruction sequence which
-    # can be patched directly by the linker and does not require a jump to out-of-order code.
-    # Another alternative instead of using 'qpic=large -bbigtoc' may be to use '-qminimaltoc'
-    # instead. This creates a distinct TOC for every compilation unit (and thus requires two
-    # loads for accessing a global variable). But there are rumors that this may be seen as a
-    # 'performance feature' because of improved code locality of the symbols used in a
-    # compilation unit.
-    PICFLAG="-qpic"
-    JVM_CFLAGS="$JVM_CFLAGS $PICFLAG"
-    C_FLAG_REORDER=''
-    CXX_FLAG_REORDER=''
-    SHARED_LIBRARY_FLAGS="-qmkshrobj -bM:SRE -bnoentry"
-    SET_EXECUTABLE_ORIGIN=""
-    SET_SHARED_LIBRARY_ORIGIN=''
-    SET_SHARED_LIBRARY_NAME=''
-    SET_SHARED_LIBRARY_MAPFILE=''
-  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
-    PICFLAG=""
-    C_FLAG_REORDER=''
-    CXX_FLAG_REORDER=''
-    SHARED_LIBRARY_FLAGS="-dll"
-    SET_EXECUTABLE_ORIGIN=''
-    SET_SHARED_LIBRARY_ORIGIN=''
-    SET_SHARED_LIBRARY_NAME=''
-    SET_SHARED_LIBRARY_MAPFILE='-def:[$]1'
-  fi
-
-  AC_SUBST(C_FLAG_REORDER)
-  AC_SUBST(CXX_FLAG_REORDER)
-  AC_SUBST(SET_EXECUTABLE_ORIGIN)
-  AC_SUBST(SET_SHARED_LIBRARY_ORIGIN)
-  AC_SUBST(SET_SHARED_LIBRARY_NAME)
-  AC_SUBST(SET_SHARED_LIBRARY_MAPFILE)
-  AC_SUBST(SHARED_LIBRARY_FLAGS)
-
-  # The (cross) compiler is now configured, we can now test capabilities
-  # of the target platform.
-])
-
-# Documentation on common flags used for solstudio in HIGHEST.
-#
-# WARNING: Use of OPTIMIZATION_LEVEL=HIGHEST in your Makefile needs to be
-#          done with care, there are some assumptions below that need to
-#          be understood about the use of pointers, and IEEE behavior.
-#
-# -fns: Use non-standard floating point mode (not IEEE 754)
-# -fsimple: Do some simplification of floating point arithmetic (not IEEE 754)
-# -fsingle: Use single precision floating point with 'float'
-# -xalias_level=basic: Assume memory references via basic pointer types do not alias
-#   (Source with excessing pointer casting and data access with mixed
-#    pointer types are not recommended)
-# -xbuiltin=%all: Use intrinsic or inline versions for math/std functions
-#   (If you expect perfect errno behavior, do not use this)
-# -xdepend: Loop data dependency optimizations (need -xO3 or higher)
-# -xrestrict: Pointer parameters to functions do not overlap
-#   (Similar to -xalias_level=basic usage, but less obvious sometimes.
-#    If you pass in multiple pointers to the same data, do not use this)
-# -xlibmil: Inline some library routines
-#   (If you expect perfect errno behavior, do not use this)
-# -xlibmopt: Use optimized math routines (CURRENTLY DISABLED)
-#   (If you expect perfect errno behavior, do not use this)
-#  Can cause undefined external on Solaris 8 X86 on __sincos, removing for now
-
-    # FIXME: this will never happen since sparc != sparcv9, ie 32 bit, which we don't build anymore.
-    # Bug?
-    #if test "x$OPENJDK_TARGET_CPU" = xsparc; then
-    #  CFLAGS_JDK="${CFLAGS_JDK} -xmemalign=4s"
-    #  CXXFLAGS_JDK="${CXXFLAGS_JDK} -xmemalign=4s"
-    #fi
-
-AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_FOR_OPTIMIZATION],
-[
-
-  ###############################################################################
-  #
-  # Setup the opt flags for different compilers
-  # and different operating systems.
-  #
-
-  # FIXME: this was indirectly the old default, but just inherited.
-  # if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
-  #   C_FLAG_DEPS="-MMD -MF"
-  # fi
-
   # Generate make dependency files
   if test "x$TOOLCHAIN_TYPE" = xgcc; then
     C_FLAG_DEPS="-MMD -MF"
@@ -526,887 +350,44 @@
   CXX_FLAG_DEPS="$C_FLAG_DEPS"
   AC_SUBST(C_FLAG_DEPS)
   AC_SUBST(CXX_FLAG_DEPS)
-
-  # Debug symbols
-  if test "x$TOOLCHAIN_TYPE" = xgcc; then
-    if test "x$OPENJDK_TARGET_CPU_BITS" = "x64" && test "x$DEBUG_LEVEL" = "xfastdebug"; then
-      # reduce from default "-g2" option to save space
-      CFLAGS_DEBUG_SYMBOLS="-g1"
-      CXXFLAGS_DEBUG_SYMBOLS="-g1"
-    else
-      CFLAGS_DEBUG_SYMBOLS="-g"
-      CXXFLAGS_DEBUG_SYMBOLS="-g"
-    fi
-  elif test "x$TOOLCHAIN_TYPE" = xclang; then
-    CFLAGS_DEBUG_SYMBOLS="-g"
-    CXXFLAGS_DEBUG_SYMBOLS="-g"
-  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
-    CFLAGS_DEBUG_SYMBOLS="-g -xs"
-    # -g0 enables debug symbols without disabling inlining.
-    CXXFLAGS_DEBUG_SYMBOLS="-g0 -xs"
-  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
-    CFLAGS_DEBUG_SYMBOLS="-g"
-    CXXFLAGS_DEBUG_SYMBOLS="-g"
-  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
-    CFLAGS_DEBUG_SYMBOLS="-Zi"
-    CXXFLAGS_DEBUG_SYMBOLS="-Zi"
-  fi
-  AC_SUBST(CFLAGS_DEBUG_SYMBOLS)
-  AC_SUBST(CXXFLAGS_DEBUG_SYMBOLS)
-
-  # Debug symbols for JVM_CFLAGS
-  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
-    JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -xs"
-    if test "x$DEBUG_LEVEL" = xslowdebug; then
-      JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g"
-    else
-      # -g0 does not disable inlining, which -g does.
-      JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g0"
-    fi
-  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
-    JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -Z7 -d2Zi+"
-  else
-    JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS -g"
-  fi
-  AC_SUBST(JVM_CFLAGS_SYMBOLS)
-
-  # bounds, memory and behavior checking options
-  if test "x$TOOLCHAIN_TYPE" = xgcc; then
-    case $DEBUG_LEVEL in
-    release )
-      # no adjustment
-      ;;
-    fastdebug )
-      # no adjustment
-      ;;
-    slowdebug )
-      # FIXME: By adding this to C(XX)FLAGS_DEBUG_OPTIONS/JVM_CFLAGS_SYMBOLS it
-      # get's added conditionally on whether we produce debug symbols or not.
-      # This is most likely not really correct.
-
-      # Add runtime stack smashing and undefined behavior checks.
-      # Not all versions of gcc support -fstack-protector
-      STACK_PROTECTOR_CFLAG="-fstack-protector-all"
-      FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$STACK_PROTECTOR_CFLAG -Werror], IF_FALSE: [STACK_PROTECTOR_CFLAG=""])
-
-      CFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
-      CXXFLAGS_DEBUG_OPTIONS="$STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
-      if test "x$STACK_PROTECTOR_CFLAG" != x; then
-        JVM_CFLAGS_SYMBOLS="$JVM_CFLAGS_SYMBOLS $STACK_PROTECTOR_CFLAG --param ssp-buffer-size=1"
-      fi
-      ;;
-    esac
-  fi
-
-  if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
-    if test "x$DEBUG_LEVEL" != xrelease; then
-      if test "x$OPENJDK_TARGET_CPU" = xx86_64; then
-        JVM_CFLAGS="$JVM_CFLAGS -homeparams"
-      fi
-    fi
-  fi
-
-  # Optimization levels
-  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
-    CC_HIGHEST="$CC_HIGHEST -fns -fsimple -fsingle -xbuiltin=%all -xdepend -xrestrict -xlibmil"
-
-    if test "x$OPENJDK_TARGET_CPU_ARCH" = "xx86"; then
-      # FIXME: seems we always set -xregs=no%frameptr; put it elsewhere more global?
-      C_O_FLAG_HIGHEST_JVM="-xO4"
-      C_O_FLAG_HIGHEST="-xO4 -Wu,-O4~yz $CC_HIGHEST -xalias_level=basic -xregs=no%frameptr"
-      C_O_FLAG_HI="-xO4 -Wu,-O4~yz -xregs=no%frameptr"
-      C_O_FLAG_NORM="-xO2 -Wu,-O2~yz -xregs=no%frameptr"
-      C_O_FLAG_DEBUG="-xregs=no%frameptr"
-      C_O_FLAG_DEBUG_JVM=""
-      C_O_FLAG_NONE="-xregs=no%frameptr"
-      CXX_O_FLAG_HIGHEST_JVM="-xO4"
-      CXX_O_FLAG_HIGHEST="-xO4 -Qoption ube -O4~yz $CC_HIGHEST -xregs=no%frameptr"
-      CXX_O_FLAG_HI="-xO4 -Qoption ube -O4~yz -xregs=no%frameptr"
-      CXX_O_FLAG_NORM="-xO2 -Qoption ube -O2~yz -xregs=no%frameptr"
-      CXX_O_FLAG_DEBUG="-xregs=no%frameptr"
-      CXX_O_FLAG_DEBUG_JVM=""
-      CXX_O_FLAG_NONE="-xregs=no%frameptr"
-      if test "x$OPENJDK_TARGET_CPU_BITS" = "x32"; then
-        C_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST -xchip=pentium"
-        CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_HIGHEST -xchip=pentium"
-      fi
-    elif test "x$OPENJDK_TARGET_CPU_ARCH" = "xsparc"; then
-      C_O_FLAG_HIGHEST_JVM="-xO4"
-      C_O_FLAG_HIGHEST="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0 $CC_HIGHEST -xalias_level=basic -xprefetch=auto,explicit -xchip=ultra"
-      C_O_FLAG_HI="-xO4 -Wc,-Qrm-s -Wc,-Qiselect-T0"
-      C_O_FLAG_NORM="-xO2 -Wc,-Qrm-s -Wc,-Qiselect-T0"
-      C_O_FLAG_DEBUG=""
-      C_O_FLAG_DEBUG_JVM=""
-      C_O_FLAG_NONE=""
-      CXX_O_FLAG_HIGHEST_JVM="-xO4"
-      CXX_O_FLAG_HIGHEST="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0 $CC_HIGHEST -xprefetch=auto,explicit -xchip=ultra"
-      CXX_O_FLAG_HI="-xO4 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
-      CXX_O_FLAG_NORM="-xO2 -Qoption cg -Qrm-s -Qoption cg -Qiselect-T0"
-      CXX_O_FLAG_DEBUG=""
-      CXX_O_FLAG_DEBUG_JVM=""
-      CXX_O_FLAG_NONE=""
-    fi
-  else
-    # The remaining toolchains share opt flags between CC and CXX;
-    # setup for C and duplicate afterwards.
-    if test "x$TOOLCHAIN_TYPE" = xgcc; then
-      if test "x$OPENJDK_TARGET_OS" = xmacosx; then
-        # On MacOSX we optimize for size, something
-        # we should do for all platforms?
-        C_O_FLAG_HIGHEST_JVM="-Os"
-        C_O_FLAG_HIGHEST="-Os"
-        C_O_FLAG_HI="-Os"
-        C_O_FLAG_NORM="-Os"
-        C_O_FLAG_SIZE="-Os"
-      else
-        C_O_FLAG_HIGHEST_JVM="-O3"
-        C_O_FLAG_HIGHEST="-O3"
-        C_O_FLAG_HI="-O3"
-        C_O_FLAG_NORM="-O2"
-        C_O_FLAG_SIZE="-Os"
-      fi
-      C_O_FLAG_DEBUG="-O0"
-      if test "x$OPENJDK_TARGET_OS" = xmacosx; then
-        C_O_FLAG_DEBUG_JVM=""
-      elif test "x$OPENJDK_TARGET_OS" = xlinux; then
-        C_O_FLAG_DEBUG_JVM="-O0"
-      fi
-      C_O_FLAG_NONE="-O0"
-    elif test "x$TOOLCHAIN_TYPE" = xclang; then
-      if test "x$OPENJDK_TARGET_OS" = xmacosx; then
-        # On MacOSX we optimize for size, something
-        # we should do for all platforms?
-        C_O_FLAG_HIGHEST_JVM="-Os"
-        C_O_FLAG_HIGHEST="-Os"
-        C_O_FLAG_HI="-Os"
-        C_O_FLAG_NORM="-Os"
-        C_O_FLAG_SIZE="-Os"
-      else
-        C_O_FLAG_HIGHEST_JVM="-O3"
-        C_O_FLAG_HIGHEST="-O3"
-        C_O_FLAG_HI="-O3"
-        C_O_FLAG_NORM="-O2"
-        C_O_FLAG_SIZE="-Os"
-      fi
-      C_O_FLAG_DEBUG="-O0"
-      if test "x$OPENJDK_TARGET_OS" = xmacosx; then
-        C_O_FLAG_DEBUG_JVM=""
-      elif test "x$OPENJDK_TARGET_OS" = xlinux; then
-        C_O_FLAG_DEBUG_JVM="-O0"
-      fi
-      C_O_FLAG_NONE="-O0"
-    elif test "x$TOOLCHAIN_TYPE" = xxlc; then
-      C_O_FLAG_HIGHEST_JVM="-O3 -qhot=level=1 -qinline -qinlglue"
-      C_O_FLAG_HIGHEST="-O3 -qhot=level=1 -qinline -qinlglue"
-      C_O_FLAG_HI="-O3 -qinline -qinlglue"
-      C_O_FLAG_NORM="-O2"
-      C_O_FLAG_DEBUG="-qnoopt"
-      # FIXME: Value below not verified.
-      C_O_FLAG_DEBUG_JVM=""
-      C_O_FLAG_NONE="-qnoopt"
-    elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
-      C_O_FLAG_HIGHEST_JVM="-O2 -Oy-"
-      C_O_FLAG_HIGHEST="-O2"
-      C_O_FLAG_HI="-O1"
-      C_O_FLAG_NORM="-O1"
-      C_O_FLAG_DEBUG="-Od"
-      C_O_FLAG_DEBUG_JVM=""
-      C_O_FLAG_NONE="-Od"
-      C_O_FLAG_SIZE="-Os"
-    fi
-    CXX_O_FLAG_HIGHEST_JVM="$C_O_FLAG_HIGHEST_JVM"
-    CXX_O_FLAG_HIGHEST="$C_O_FLAG_HIGHEST"
-    CXX_O_FLAG_HI="$C_O_FLAG_HI"
-    CXX_O_FLAG_NORM="$C_O_FLAG_NORM"
-    CXX_O_FLAG_DEBUG="$C_O_FLAG_DEBUG"
-    CXX_O_FLAG_DEBUG_JVM="$C_O_FLAG_DEBUG_JVM"
-    CXX_O_FLAG_NONE="$C_O_FLAG_NONE"
-    CXX_O_FLAG_SIZE="$C_O_FLAG_SIZE"
-  fi
-
-  # Adjust optimization flags according to debug level.
-  case $DEBUG_LEVEL in
-    release )
-      # no adjustment
-      ;;
-    fastdebug )
-      # Not quite so much optimization
-      C_O_FLAG_HI="$C_O_FLAG_NORM"
-      CXX_O_FLAG_HI="$CXX_O_FLAG_NORM"
-      ;;
-    slowdebug )
-      # Disable optimization
-      C_O_FLAG_HIGHEST_JVM="$C_O_FLAG_DEBUG_JVM"
-      C_O_FLAG_HIGHEST="$C_O_FLAG_DEBUG"
-      C_O_FLAG_HI="$C_O_FLAG_DEBUG"
-      C_O_FLAG_NORM="$C_O_FLAG_DEBUG"
-      C_O_FLAG_SIZE="$C_O_FLAG_DEBUG"
-      CXX_O_FLAG_HIGHEST_JVM="$CXX_O_FLAG_DEBUG_JVM"
-      CXX_O_FLAG_HIGHEST="$CXX_O_FLAG_DEBUG"
-      CXX_O_FLAG_HI="$CXX_O_FLAG_DEBUG"
-      CXX_O_FLAG_NORM="$CXX_O_FLAG_DEBUG"
-      CXX_O_FLAG_SIZE="$CXX_O_FLAG_DEBUG"
-      ;;
-  esac
-
-  AC_SUBST(C_O_FLAG_HIGHEST_JVM)
-  AC_SUBST(C_O_FLAG_HIGHEST)
-  AC_SUBST(C_O_FLAG_HI)
-  AC_SUBST(C_O_FLAG_NORM)
-  AC_SUBST(C_O_FLAG_DEBUG)
-  AC_SUBST(C_O_FLAG_NONE)
-  AC_SUBST(C_O_FLAG_SIZE)
-  AC_SUBST(CXX_O_FLAG_HIGHEST_JVM)
-  AC_SUBST(CXX_O_FLAG_HIGHEST)
-  AC_SUBST(CXX_O_FLAG_HI)
-  AC_SUBST(CXX_O_FLAG_NORM)
-  AC_SUBST(CXX_O_FLAG_DEBUG)
-  AC_SUBST(CXX_O_FLAG_NONE)
-  AC_SUBST(CXX_O_FLAG_SIZE)
 ])
 
+AC_DEFUN_ONCE([FLAGS_POST_TOOLCHAIN],
+[
+  FLAGS_SETUP_TOOLCHAIN_CONTROL
 
-AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK],
-[
-
-  FLAGS_SETUP_ABI_PROFILE
-
-  # Optional POSIX functionality needed by the JVM
-  #
-  # Check if clock_gettime is available and in which library. This indicates
-  # availability of CLOCK_MONOTONIC for hotspot. But we don't need to link, so
-  # don't let it update LIBS.
-  save_LIBS="$LIBS"
-  AC_SEARCH_LIBS(clock_gettime, rt, [HAS_CLOCK_GETTIME=true], [])
-  if test "x$LIBS" = "x-lrt "; then
-    CLOCK_GETTIME_IN_LIBRT=true
+  if test "x$BUILD_SYSROOT" != x; then
+    FLAGS_SETUP_SYSROOT_FLAGS([BUILD_])
+  else
+    BUILD_SYSROOT_CFLAGS="$SYSROOT_CFLAGS"
+    BUILD_SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS"
   fi
-  LIBS="$save_LIBS"
-
-  FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER([TARGET])
-  FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER([BUILD], [OPENJDK_BUILD_])
-
-  # Tests are only ever compiled for TARGET
-  # Flags for compiling test libraries
-  CFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK $PICFLAG $CFLAGS_JDKLIB_EXTRA"
-  CXXFLAGS_TESTLIB="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK $PICFLAG $CXXFLAGS_JDKLIB_EXTRA"
-
-  # Flags for compiling test executables
-  CFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CFLAGS_JDK"
-  CXXFLAGS_TESTEXE="$COMMON_CCXXFLAGS_JDK $CXXFLAGS_JDK"
-
-  AC_SUBST(CFLAGS_TESTLIB)
-  AC_SUBST(CFLAGS_TESTEXE)
-  AC_SUBST(CXXFLAGS_TESTLIB)
-  AC_SUBST(CXXFLAGS_TESTEXE)
-
-  LDFLAGS_TESTLIB="$LDFLAGS_JDKLIB"
-  LDFLAGS_TESTEXE="$LDFLAGS_JDKEXE $JAVA_BASE_LDFLAGS"
-
-  AC_SUBST(LDFLAGS_TESTLIB)
-  AC_SUBST(LDFLAGS_TESTEXE)
+  AC_SUBST(BUILD_SYSROOT_CFLAGS)
+  AC_SUBST(BUILD_SYSROOT_LDFLAGS)
 
 ])
 
-################################################################################
-# $1 - Either BUILD or TARGET to pick the correct OS/CPU variables to check
-#      conditionals against.
-# $2 - Optional prefix for each variable defined.
-AC_DEFUN([FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER],
+AC_DEFUN([FLAGS_SETUP_FLAGS],
 [
-  # Special extras...
-  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
-    if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then
-      $2CFLAGS_JDKLIB_EXTRA="${$2CFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
-      $2CXXFLAGS_JDKLIB_EXTRA="${$2CXXFLAGS_JDKLIB_EXTRA} -xregs=no%appl"
-    fi
-    $2CFLAGS_JDKLIB_EXTRA="${$2CFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt"
-    $2CXXFLAGS_JDKLIB_EXTRA="${$2CXXFLAGS_JDKLIB_EXTRA} -errtags=yes -errfmt"
-  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
-    $2CFLAGS_JDK="${$2CFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt"
-    $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -qchars=signed -qfullpath -qsaveopt"
-  elif test "x$TOOLCHAIN_TYPE" = xgcc; then
-    $2CXXSTD_CXXFLAG="-std=gnu++98"
-    FLAGS_CXX_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [[$]$2CXXSTD_CXXFLAG -Werror],
-    						 IF_FALSE: [$2CXXSTD_CXXFLAG=""])
-    $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2CXXSTD_CXXFLAG}"
-    $2JVM_CFLAGS="${$2JVM_CFLAGS} ${$2CXXSTD_CXXFLAG}"
-    AC_SUBST($2CXXSTD_CXXFLAG)
-  fi
-  if test "x$OPENJDK_TARGET_OS" = xsolaris; then
-    $2CFLAGS_JDK="${$2CFLAGS_JDK} -D__solaris__"
-    $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} -D__solaris__"
-  fi
+  FLAGS_SETUP_MACOSX_VERSION
+  FLAGS_SETUP_ABI_PROFILE
 
-  $2CFLAGS_JDK="${$2CFLAGS_JDK} ${$2EXTRA_CFLAGS}"
-  $2CXXFLAGS_JDK="${$2CXXFLAGS_JDK} ${$2EXTRA_CXXFLAGS}"
-  $2LDFLAGS_JDK="${$2LDFLAGS_JDK} ${$2EXTRA_LDFLAGS}"
+  FLAGS_SETUP_SHARED_LIBS
+  FLAGS_SETUP_DEBUG_SYMBOLS
+  FLAGS_SETUP_WARNINGS
+  FLAGS_SETUP_QUALITY_CHECKS
+  FLAGS_SETUP_OPTIMIZATION
 
-  ###############################################################################
-  #
-  # Now setup the CFLAGS and LDFLAGS for the JDK build.
-  # Later we will also have CFLAGS and LDFLAGS for the hotspot subrepo build.
-  #
+  FLAGS_SETUP_CFLAGS
+  FLAGS_SETUP_LDFLAGS
 
-  # Setup compiler/platform specific flags into
-  #    $2CFLAGS_JDK    - C Compiler flags
-  #    $2CXXFLAGS_JDK  - C++ Compiler flags
-  #    $2COMMON_CCXXFLAGS_JDK - common to C and C++
-  if test "x$TOOLCHAIN_TYPE" = xgcc; then
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_GNU_SOURCE"
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_REENTRANT"
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -fcheck-new"
-    if test "x$OPENJDK_$1_CPU" = xx86; then
-      # Force compatibility with i586 on 32 bit intel platforms.
-      $2COMMON_CCXXFLAGS="${$2COMMON_CCXXFLAGS} -march=i586"
-      $2JVM_CFLAGS="[$]$2JVM_CFLAGS -march=i586"
-    fi
-    $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
-        -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
-    case $OPENJDK_$1_CPU_ARCH in
-      arm )
-        # on arm we don't prevent gcc to omit frame pointer but do prevent strict aliasing
-        $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
-        $2COMMON_CCXXFLAGS_JDK="${$2COMMON_CCXXFLAGS_JDK} -fsigned-char"
-        ;;
-      ppc )
-        # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing
-        $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
-        ;;
-      s390 )
-        $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer -mbackchain -march=z10"
-        $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
-        ;;
-      * )
-        $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer"
-        $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
-        ;;
-    esac
-    TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: 6, PREFIX: $2, IF_AT_LEAST: FLAGS_SETUP_GCC6_COMPILER_FLAGS($2))
-  elif test "x$TOOLCHAIN_TYPE" = xclang; then
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_GNU_SOURCE"
+  FLAGS_SETUP_ARFLAGS
+  FLAGS_SETUP_STRIPFLAGS
+  FLAGS_SETUP_RCFLAGS
 
-    # Restrict the debug information created by Clang to avoid
-    # too big object files and speed the build up a little bit
-    # (see http://llvm.org/bugs/show_bug.cgi?id=7554)
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -flimit-debug-info"
-    if test "x$OPENJDK_$1_OS" = xlinux; then
-      if test "x$OPENJDK_$1_CPU" = xx86; then
-        # Force compatibility with i586 on 32 bit intel platforms.
-        $2COMMON_CCXXFLAGS="${$2COMMON_CCXXFLAGS} -march=i586"
-        $2JVM_CFLAGS="[$]$2JVM_CFLAGS -march=i586"
-      fi
-      $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-sometimes-uninitialized"
-      $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -Wall -Wextra -Wno-unused -Wno-unused-parameter -Wformat=2 \
-          -pipe -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE"
-      case $OPENJDK_$1_CPU_ARCH in
-        ppc )
-          # on ppc we don't prevent gcc to omit frame pointer but do prevent strict aliasing
-          $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
-          ;;
-        * )
-          $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -fno-omit-frame-pointer"
-          $2CFLAGS_JDK="${$2CFLAGS_JDK} -fno-strict-aliasing"
-          ;;
-      esac
-    fi
-  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DSPARC_WORKS"
-    $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK -DTRACING -DMACRO_MEMSYS_OPS -DBREAKPTS"
-    if test "x$OPENJDK_$1_CPU_ARCH" = xx86; then
-      $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DcpuIntel -Di586 -D$OPENJDK_$1_CPU_LEGACY_LIB"
-    fi
-
-    $2CFLAGS_JDK="[$]$2CFLAGS_JDK -xc99=%none -xCC -errshort=tags -Xa -v -mt -W0,-noglobal"
-    $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK -errtags=yes +w -mt -features=no%except -DCC_NOEX -norunpath -xnolib"
-  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_REENTRANT"
-    $2CFLAGS_JDK="[$]$2CFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
-    $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK -D_GNU_SOURCE -D_REENTRANT -D_LARGEFILE64_SOURCE -DSTDC"
-  elif test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
-    $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS [$]$2COMMON_CCXXFLAGS_JDK \
-        -MD -Zc:wchar_t- -W3 -wd4800 \
-        -DWIN32_LEAN_AND_MEAN \
-        -D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE \
-        -DWIN32 -DIAL"
-    if test "x$OPENJDK_$1_CPU" = xx86_64; then
-      $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_AMD64_ -Damd64"
-    else
-      $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_X86_ -Dx86"
-    fi
-    # If building with Visual Studio 2010, we can still use _STATIC_CPPLIB to
-    # avoid bundling msvcpNNN.dll. Doesn't work with newer versions of visual
-    # studio.
-    if test "x$TOOLCHAIN_VERSION" = "x2010"; then
-      STATIC_CPPLIB_FLAGS="-D_STATIC_CPPLIB -D_DISABLE_DEPRECATE_STATIC_CPPLIB"
-      $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK $STATIC_CPPLIB_FLAGS"
-      $2JVM_CFLAGS="[$]$2JVM_CFLAGS $STATIC_CPPLIB_FLAGS"
-    fi
-  fi
-
-  ###############################################################################
-
-  # Adjust flags according to debug level.
-  case $DEBUG_LEVEL in
-    fastdebug | slowdebug )
-      $2CFLAGS_JDK="[$]$2CFLAGS_JDK $CFLAGS_DEBUG_SYMBOLS $CFLAGS_DEBUG_OPTIONS"
-      $2CXXFLAGS_JDK="[$]$2CXXFLAGS_JDK $CXXFLAGS_DEBUG_SYMBOLS $CXXFLAGS_DEBUG_OPTIONS"
-      ;;
-    release )
-      ;;
-    * )
-      AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL])
-      ;;
-  esac
-
-  # Set some common defines. These works for all compilers, but assume
-  # -D is universally accepted.
-
-  # Setup endianness
-  if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then
-    # The macro _LITTLE_ENDIAN needs to be defined the same to avoid the
-    #   Sun C compiler warning message: warning: macro redefined: _LITTLE_ENDIAN
-    #   (The Solaris X86 system defines this in file /usr/include/sys/isa_defs.h).
-    #   Note: -Dmacro         is the same as    #define macro 1
-    #         -Dmacro=        is the same as    #define macro
-    if test "x$OPENJDK_$1_OS" = xsolaris; then
-      $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN="
-    else
-      $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_LITTLE_ENDIAN"
-    fi
-  else
-    # Same goes for _BIG_ENDIAN. Do we really need to set *ENDIAN on Solaris if they
-    # are defined in the system?
-    if test "x$OPENJDK_$1_OS" = xsolaris; then
-      $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN="
-    else
-      $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_BIG_ENDIAN"
-    fi
-  fi
-
-  # Always enable optional macros for VM.
-  $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D__STDC_FORMAT_MACROS"
-  $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D__STDC_LIMIT_MACROS"
-  $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D__STDC_CONSTANT_MACROS"
-
-  # Setup target OS define. Use OS target name but in upper case.
-  OPENJDK_$1_OS_UPPERCASE=`$ECHO $OPENJDK_$1_OS | $TR 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
-  $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D$OPENJDK_$1_OS_UPPERCASE"
-
-  # Setup target CPU
-  $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \
-      $OPENJDK_$1_ADD_LP64 \
-      -DARCH='\"$OPENJDK_$1_CPU_LEGACY\"' -D$OPENJDK_$1_CPU_LEGACY"
-
-  # Setup debug/release defines
-  if test "x$DEBUG_LEVEL" = xrelease; then
-    $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DNDEBUG"
-    if test "x$OPENJDK_$1_OS" = xsolaris; then
-      $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DTRIMMED"
-    fi
-  else
-    $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -DDEBUG"
-  fi
-
-  # Optional POSIX functionality needed by the VM
-
-  if test "x$HAS_CLOCK_GETTIME" = "xtrue"; then
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DSUPPORTS_CLOCK_MONOTONIC"
-    if test "x$CLOCK_GETTIME_IN_LIBRT" = "xtrue"; then
-      $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DNEEDS_LIBRT"
-    fi
-  fi
-
-
-  # Set some additional per-OS defines.
-  if test "x$OPENJDK_$1_OS" = xlinux; then
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DLINUX"
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -pipe $PICFLAG -fno-rtti -fno-exceptions \
-        -fvisibility=hidden -fno-strict-aliasing -fno-omit-frame-pointer"
-  elif test "x$OPENJDK_$1_OS" = xsolaris; then
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DSOLARIS"
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -template=no%extdef -features=no%split_init \
-        -D_Crun_inline_placement -library=stlport4 $PICFLAG -mt -features=no%except"
-  elif test "x$OPENJDK_$1_OS" = xmacosx; then
-    $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE -D_DARWIN_UNLIMITED_SELECT"
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_ALLBSD_SOURCE"
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_DARWIN_C_SOURCE -D_XOPEN_SOURCE"
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -fno-rtti -fno-exceptions -fvisibility=hidden \
-        -mno-omit-leaf-frame-pointer -mstack-alignment=16 -pipe -fno-strict-aliasing \
-        -fno-omit-frame-pointer"
-  elif test "x$OPENJDK_$1_OS" = xaix; then
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DAIX"
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qtune=balanced \
-        -qalias=noansi -qstrict -qtls=default -qlanglvl=c99vla \
-        -qlanglvl=noredefmac -qnortti -qnoeh -qignerrno"
-    # We need '-qminimaltoc' or '-qpic=large -bbigtoc' if the TOC overflows.
-    # Hotspot now overflows its 64K TOC (currently only for debug),
-    # so for debug we build with '-qpic=large -bbigtoc'.
-    if test "x$DEBUG_LEVEL" = xslowdebug || test "x$DEBUG_LEVEL" = xfastdebug; then
-      $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qpic=large"
-    fi
-  elif test "x$OPENJDK_$1_OS" = xbsd; then
-    $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK -D_ALLBSD_SOURCE"
-  elif test "x$OPENJDK_$1_OS" = xwindows; then
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_WINDOWS -DWIN32 -D_JNI_IMPLEMENTATION_"
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -nologo -W3 -MD -MP"
-  fi
-
-  # Set some additional per-CPU defines.
-  if test "x$OPENJDK_$1_OS-$OPENJDK_$1_CPU" = xwindows-x86; then
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -arch:IA32"
-  elif test "x$OPENJDK_$1_OS-$OPENJDK_$1_CPU" = xsolaris-sparcv9; then
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -xarch=sparc"
-  elif test "x$OPENJDK_$1_CPU" = xppc64; then
-    if test "x$OPENJDK_$1_OS" = xlinux; then
-      $2JVM_CFLAGS="[$]$2JVM_CFLAGS -minsert-sched-nops=regroup_exact -mno-multiple -mno-string"
-      # fixes `relocation truncated to fit' error for gcc 4.1.
-      $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mminimal-toc"
-      # Use ppc64 instructions, but schedule for power5
-      $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=powerpc64 -mtune=power5"
-    elif test "x$OPENJDK_$1_OS" = xaix; then
-      $2JVM_CFLAGS="[$]$2JVM_CFLAGS -qarch=ppc64"
-    fi
-  elif test "x$OPENJDK_$1_CPU" = xppc64le; then
-    if test "x$OPENJDK_$1_OS" = xlinux; then
-      $2JVM_CFLAGS="[$]$2JVM_CFLAGS -minsert-sched-nops=regroup_exact -mno-multiple -mno-string"
-      # Little endian machine uses ELFv2 ABI.
-      $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DABI_ELFv2"
-      # Use Power8, this is the first CPU to support PPC64 LE with ELFv2 ABI.
-      $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mcpu=power8 -mtune=power8"
-    fi
-  elif test "x$OPENJDK_$1_CPU" = xs390x; then
-    if test "x$OPENJDK_$1_OS" = xlinux; then
-      $2JVM_CFLAGS="[$]$2JVM_CFLAGS -mbackchain -march=z10"
-    fi
-  fi
-
-  if test "x$OPENJDK_$1_CPU_ENDIAN" = xlittle; then
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -DVM_LITTLE_ENDIAN"
-  fi
-
-  if test "x$OPENJDK_$1_CPU_BITS" = x64; then
-    if test "x$OPENJDK_$1_OS" != xsolaris && test "x$OPENJDK_$1_OS" != xaix; then
-      # Solaris does not have _LP64=1 in the old build.
-      # xlc on AIX defines _LP64=1 by default and issues a warning if we redefine it.
-      $2JVM_CFLAGS="[$]$2JVM_CFLAGS -D_LP64=1"
-    fi
-  fi
-
-  # Set $2JVM_CFLAGS warning handling
-  if test "x$OPENJDK_$1_OS" = xlinux; then
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wpointer-arith -Wsign-compare -Wunused-function \
-        -Wunused-value -Woverloaded-virtual"
-
-    if test "x$TOOLCHAIN_TYPE" = xgcc; then
-      TOOLCHAIN_CHECK_COMPILER_VERSION(VERSION: [4.8], PREFIX: $2,
-          IF_AT_LEAST: [
-            # These flags either do not work or give spurious warnings prior to gcc 4.8.
-            $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-format-zero-length -Wtype-limits -Wuninitialized"
-          ]
-      )
-    fi
-    if ! HOTSPOT_CHECK_JVM_VARIANT(zero); then
-      # Non-zero builds have stricter warnings
-      $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wreturn-type -Wundef -Wformat=2"
-    else
-      if test "x$TOOLCHAIN_TYPE" = xclang; then
-        # Some versions of llvm do not like -Wundef
-        $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-undef"
-      fi
-    fi
-  elif test "x$OPENJDK_$1_OS" = xmacosx; then
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS -Wno-deprecated -Wpointer-arith \
-        -Wsign-compare -Wundef -Wunused-function -Wformat=2"
-  fi
-
-  # Additional macosx handling
-  if test "x$OPENJDK_$1_OS" = xmacosx; then
-    # MACOSX_VERSION_MIN specifies the lowest version of Macosx that the built
-    # binaries should be compatible with, even if compiled on a newer version
-    # of the OS. It currently has a hard coded value. Setting this also limits
-    # exposure to API changes in header files. Bumping this is likely to
-    # require code changes to build.
-    MACOSX_VERSION_MIN=10.7.0
-    AC_SUBST(MACOSX_VERSION_MIN)
-
-    # Setting --with-macosx-version-max=<version> makes it an error to build or
-    # link to macosx APIs that are newer than the given OS version. The expected
-    # format for <version> is either nn.n.n or nn.nn.nn. See /usr/include/AvailabilityMacros.h.
-    AC_ARG_WITH([macosx-version-max], [AS_HELP_STRING([--with-macosx-version-max],
-        [error on use of newer functionality. @<:@macosx@:>@])],
-        [
-          if echo "$with_macosx_version_max" | $GREP -q "^[[0-9]][[0-9]]\.[[0-9]]\.[[0-9]]\$"; then
-              MACOSX_VERSION_MAX=$with_macosx_version_max
-          elif echo "$with_macosx_version_max" | $GREP -q "^[[0-9]][[0-9]]\.[[0-9]][[0-9]]\.[[0-9]][[0-9]]\$"; then
-              MACOSX_VERSION_MAX=$with_macosx_version_max
-          elif test "x$with_macosx_version_max" = "xno"; then
-              # Use build system default
-              MACOSX_VERSION_MAX=
-          else
-              AC_MSG_ERROR([osx version format must be nn.n.n or nn.nn.nn])
-          fi
-        ],
-        [MACOSX_VERSION_MAX=]
-    )
-    AC_SUBST(MACOSX_VERSION_MAX)
-
-    # Let the flags variables get resolved in make for easier override on make
-    # command line. AvailabilityMacros.h versions have no dots, ex: 1070.
-    $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \
-        -DMAC_OS_X_VERSION_MIN_REQUIRED=\$(subst .,,\$(MACOSX_VERSION_MIN)) \
-        -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
-    $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
-    $2JVM_CFLAGS="[$]$2JVM_CFLAGS \
-        -DMAC_OS_X_VERSION_MIN_REQUIRED=\$(subst .,,\$(MACOSX_VERSION_MIN)) \
-        -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
-    $2ARFLAGS="$2$ARFLAGS -mmacosx-version-min=\$(MACOSX_VERSION_MIN)"
-
-    if test -n "$MACOSX_VERSION_MAX"; then
-        $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \
-            -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MAX))"
-        $2JVM_CFLAGS="[$]$2JVM_CFLAGS \
-            -DMAC_OS_X_VERSION_MAX_ALLOWED=\$(subst .,,\$(MACOSX_VERSION_MAX))"
-    fi
-  fi
-
-  # Setup some hard coded includes
-  $2COMMON_CCXXFLAGS_JDK="[$]$2COMMON_CCXXFLAGS_JDK \
-      -I\$(SUPPORT_OUTPUTDIR)/modules_include/java.base \
-      -I\$(SUPPORT_OUTPUTDIR)/modules_include/java.base/\$(OPENJDK_TARGET_OS_INCLUDE_SUBDIR) \
-      -I${TOPDIR}/src/java.base/share/native/libjava \
-      -I${TOPDIR}/src/java.base/$OPENJDK_$1_OS_TYPE/native/libjava \
-      -I${TOPDIR}/src/hotspot/share/include \
-      -I${TOPDIR}/src/hotspot/os/${HOTSPOT_$1_OS_TYPE}/include"
-
-  # The shared libraries are compiled using the picflag.
-  $2CFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \
-      [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK $PICFLAG [$]$2CFLAGS_JDKLIB_EXTRA"
-  $2CXXFLAGS_JDKLIB="[$]$2COMMON_CCXXFLAGS_JDK \
-      [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK $PICFLAG [$]$2CXXFLAGS_JDKLIB_EXTRA"
-
-  # Executable flags
-  $2CFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CFLAGS_JDK [$]$2EXTRA_CFLAGS_JDK"
-  $2CXXFLAGS_JDKEXE="[$]$2COMMON_CCXXFLAGS_JDK [$]$2CXXFLAGS_JDK [$]$2EXTRA_CXXFLAGS_JDK"
-
-  AC_SUBST($2CFLAGS_JDKLIB)
-  AC_SUBST($2CFLAGS_JDKEXE)
-  AC_SUBST($2CXXFLAGS_JDKLIB)
-  AC_SUBST($2CXXFLAGS_JDKEXE)
-
-  # Setup LDFLAGS et al.
-  #
-
-  if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
-    LDFLAGS_MICROSOFT="-nologo -opt:ref"
-    $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_MICROSOFT -incremental:no"
-    $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_MICROSOFT -opt:icf,8 -subsystem:windows -base:0x8000000"
-    if test "x$OPENJDK_$1_CPU_BITS" = "x32"; then
-      LDFLAGS_SAFESH="-safeseh"
-      $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SAFESH"
-      $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SAFESH"
-      # NOTE: Old build added -machine. Probably not needed.
-      $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:I386"
-    else
-      $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -machine:AMD64"
-    fi
-  elif test "x$TOOLCHAIN_TYPE" = xclang; then
-      $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -mno-omit-leaf-frame-pointer -mstack-alignment=16 -stdlib=libstdc++ -fPIC"
-      if test "x$OPENJDK_$1_OS" = xmacosx; then
-        # FIXME: We should really generalize SET_SHARED_LIBRARY_ORIGIN instead.
-        $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.."
-    fi
-  elif test "x$TOOLCHAIN_TYPE" = xgcc; then
-    # If this is a --hash-style=gnu system, use --hash-style=both, why?
-    # We have previously set HAS_GNU_HASH if this is the case
-    if test -n "$HAS_GNU_HASH"; then
-      $2LDFLAGS_HASH_STYLE="-Wl,--hash-style=both"
-      $2LDFLAGS_JDK="${$2LDFLAGS_JDK} [$]$2LDFLAGS_HASH_STYLE"
-      $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS [$]$2LDFLAGS_HASH_STYLE"
-    fi
-      if test "x$OPENJDK_$1_OS" = xmacosx; then
-        $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-rpath,@loader_path/. -Wl,-rpath,@loader_path/.."
-    fi
-    if test "x$OPENJDK_$1_OS" = xlinux; then
-      # And since we now know that the linker is gnu, then add -z defs, to forbid
-      # undefined symbols in object files.
-      LDFLAGS_NO_UNDEF_SYM="-Wl,-z,defs"
-      $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_NO_UNDEF_SYM"
-      $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS  $LDFLAGS_NO_UNDEF_SYM"
-      LDFLAGS_NO_EXEC_STACK="-Wl,-z,noexecstack"
-      $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_NO_EXEC_STACK"
-      if test "x$OPENJDK_$1_CPU" = xx86; then
-        $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -march=i586"
-      fi
-      case $DEBUG_LEVEL in
-        release )
-          # tell linker to optimize libraries.
-          # Should this be supplied to the OSS linker as well?
-          LDFLAGS_DEBUGLEVEL_release="-Wl,-O1"
-          $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_DEBUGLEVEL_release"
-          $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_DEBUGLEVEL_release"
-          if test "x$HAS_LINKER_RELRO" = "xtrue"; then
-            $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG"
-          fi
-          ;;
-        slowdebug )
-          # Hotspot always let the linker optimize
-          $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1"
-          if test "x$HAS_LINKER_NOW" = "xtrue"; then
-            # do relocations at load
-            $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_NOW_FLAG"
-            $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_NOW_FLAG"
-            $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_NOW_FLAG"
-          fi
-          if test "x$HAS_LINKER_RELRO" = "xtrue"; then
-            # mark relocations read only
-            $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG"
-            $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG"
-            $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG"
-          fi
-          ;;
-        fastdebug )
-          # Hotspot always let the linker optimize
-          $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -Wl,-O1"
-          if test "x$HAS_LINKER_RELRO" = "xtrue"; then
-            # mark relocations read only
-            $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LINKER_RELRO_FLAG"
-            $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LINKER_RELRO_FLAG"
-            $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LINKER_RELRO_FLAG"
-          fi
-          ;;
-        * )
-          AC_MSG_ERROR([Unrecognized \$DEBUG_LEVEL: $DEBUG_LEVEL])
-          ;;
-        esac
-    fi
-  elif test "x$TOOLCHAIN_TYPE" = xsolstudio; then
-    LDFLAGS_SOLSTUDIO="-Wl,-z,defs"
-    $2LDFLAGS_JDK="[$]$2LDFLAGS_JDK $LDFLAGS_SOLSTUDIO -ztext"
-    LDFLAGS_CXX_SOLSTUDIO="-norunpath"
-    $2LDFLAGS_CXX_JDK="[$]$2LDFLAGS_CXX_JDK $LDFLAGS_CXX_SOLSTUDIO -xnolib"
-    $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_SOLSTUDIO -library=%none -mt $LDFLAGS_CXX_SOLSTUDIO -z noversion"
-    if test "x$OPENJDK_$1_CPU_ARCH" = "xsparc"; then
-      $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -xarch=sparc"
-    fi
-  elif test "x$TOOLCHAIN_TYPE" = xxlc; then
-    LDFLAGS_XLC="-b64 -brtl -bnolibpath -bexpall -bernotok -btextpsize:64K -bdatapsize:64K -bstackpsize:64K"
-    $2LDFLAGS_JDK="${$2LDFLAGS_JDK} $LDFLAGS_XLC"
-    $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS $LDFLAGS_XLC"
-    # We need '-qminimaltoc' or '-qpic=large -bbigtoc' if the TOC overflows.
-    # Hotspot now overflows its 64K TOC (currently only for debug),
-    # so we build with '-qpic=large -bbigtoc'.
-    if test "x$DEBUG_LEVEL" = xslowdebug || test "x$DEBUG_LEVEL" = xfastdebug; then
-      $2JVM_LDFLAGS="[$]$2JVM_LDFLAGS -bbigtoc"
-    fi
-  fi
-
-  # Customize LDFLAGS for executables
-
-  $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDK}"
-
-  if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
-    if test "x$OPENJDK_$1_CPU_BITS" = "x64"; then
-      LDFLAGS_STACK_SIZE=1048576
-    else
-      LDFLAGS_STACK_SIZE=327680
-    fi
-    $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} /STACK:$LDFLAGS_STACK_SIZE"
-  elif test "x$OPENJDK_$1_OS" = xlinux; then
-    $2LDFLAGS_JDKEXE="[$]$2LDFLAGS_JDKEXE -Wl,--allow-shlib-undefined"
-  fi
-
-  $2LDFLAGS_JDKEXE="${$2LDFLAGS_JDKEXE} ${$2EXTRA_LDFLAGS_JDK}"
-
-  # Customize LDFLAGS for libs
-  $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDK}"
-
-  $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${SHARED_LIBRARY_FLAGS}"
-  $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${LDFLAGS_NO_EXEC_STACK}"
-  if test "x$TOOLCHAIN_TYPE" = xmicrosoft; then
-    $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \
-        -libpath:${OUTPUTDIR}/support/modules_libs/java.base"
-    $2JDKLIB_LIBS=""
-  else
-    $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \
-        -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base"
-
-    if test "x$1" = "xTARGET"; then
-      # On some platforms (mac) the linker warns about non existing -L dirs.
-      # For any of the variants server, client or minimal, the dir matches the
-      # variant name. The "main" variant should be used for linking. For the
-      # rest, the dir is just server.
-      if HOTSPOT_CHECK_JVM_VARIANT(server) || HOTSPOT_CHECK_JVM_VARIANT(client) \
-          || HOTSPOT_CHECK_JVM_VARIANT(minimal); then
-        $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \
-            -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base/$JVM_VARIANT_MAIN"
-      else
-        $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \
-            -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base/server"
-      fi
-    elif test "x$1" = "xBUILD"; then
-      # When building a buildjdk, it's always only the server variant
-      $2JAVA_BASE_LDFLAGS="${$2JAVA_BASE_LDFLAGS} \
-          -L\$(SUPPORT_OUTPUTDIR)/modules_libs/java.base/server"
-    fi
-
-    $2JDKLIB_LIBS="-ljava -ljvm"
-    if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
-      $2JDKLIB_LIBS="[$]$2JDKLIB_LIBS -lc"
-    fi
-
-  fi
-
-$2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2JAVA_BASE_LDFLAGS}"
-
-  # Set $2JVM_LIBS (per os)
-  if test "x$OPENJDK_$1_OS" = xlinux; then
-    $2JVM_LIBS="[$]$2JVM_LIBS -lm -ldl -lpthread"
-  elif test "x$OPENJDK_$1_OS" = xsolaris; then
-    # FIXME: This hard-coded path is not really proper.
-    if test "x$OPENJDK_$1_CPU" = xx86_64; then
-      $2SOLARIS_LIBM_LIBS="/usr/lib/amd64/libm.so.1"
-    elif test "x$OPENJDK_$1_CPU" = xsparcv9; then
-      $2SOLARIS_LIBM_LIBS="/usr/lib/sparcv9/libm.so.1"
-    fi
-    $2JVM_LIBS="[$]$2JVM_LIBS -lsocket -lsched -ldl $SOLARIS_LIBM_LIBS -lCrun \
-        -lthread -ldoor -lc -ldemangle -lnsl -lrt"
-  elif test "x$OPENJDK_$1_OS" = xmacosx; then
-    $2JVM_LIBS="[$]$2JVM_LIBS -lm"
-  elif test "x$OPENJDK_$1_OS" = xaix; then
-    $2JVM_LIBS="[$]$2JVM_LIBS -Wl,-lC_r -lm -ldl -lpthread"
-  elif test "x$OPENJDK_$1_OS" = xbsd; then
-    $2JVM_LIBS="[$]$2JVM_LIBS -lm"
-  elif test "x$OPENJDK_$1_OS" = xwindows; then
-    $2JVM_LIBS="[$]$2JVM_LIBS kernel32.lib user32.lib gdi32.lib winspool.lib \
-        comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib \
-        wsock32.lib winmm.lib version.lib psapi.lib"
-    fi
-
-  # Set $2JVM_ASFLAGS
-  if test "x$OPENJDK_$1_OS" = xlinux; then
-    if test "x$OPENJDK_$1_CPU" = xx86; then
-      $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -march=i586"
-    fi
-  elif test "x$OPENJDK_$1_OS" = xmacosx; then
-    $2JVM_ASFLAGS="[$]$2JVM_ASFLAGS -x assembler-with-cpp -mno-omit-leaf-frame-pointer -mstack-alignment=16"
-  fi
-
-  $2LDFLAGS_JDKLIB="${$2LDFLAGS_JDKLIB} ${$2EXTRA_LDFLAGS_JDK}"
-
-  AC_SUBST($2LDFLAGS_JDKLIB)
-  AC_SUBST($2LDFLAGS_JDKEXE)
-  AC_SUBST($2JDKLIB_LIBS)
-  AC_SUBST($2JDKEXE_LIBS)
-  AC_SUBST($2LDFLAGS_CXX_JDK)
-  AC_SUBST($2LDFLAGS_HASH_STYLE)
-  AC_SUBST($2LDFLAGS_NO_EXEC_STACK)
-
-  AC_SUBST($2JVM_CFLAGS)
-  AC_SUBST($2JVM_LDFLAGS)
-  AC_SUBST($2JVM_ASFLAGS)
-  AC_SUBST($2JVM_LIBS)
-
+  FLAGS_SETUP_ASFLAGS
+  FLAGS_SETUP_ASFLAGS_CPU_DEP([TARGET])
+  FLAGS_SETUP_ASFLAGS_CPU_DEP([BUILD], [OPENJDK_BUILD_])
 ])
 
 # FLAGS_C_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [ARGUMENT], IF_TRUE: [RUN-IF-TRUE],
@@ -1520,110 +501,3 @@
     ARG_IF_FALSE
   fi
 ])
-
-AC_DEFUN_ONCE([FLAGS_SETUP_COMPILER_FLAGS_MISC],
-[
-  # Check that the compiler supports -mX (or -qX on AIX) flags
-  # Set COMPILER_SUPPORTS_TARGET_BITS_FLAG to 'true' if it does
-  FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}],
-      IF_TRUE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=true],
-      IF_FALSE: [COMPILER_SUPPORTS_TARGET_BITS_FLAG=false])
-  AC_SUBST(COMPILER_SUPPORTS_TARGET_BITS_FLAG)
-
-  AC_ARG_ENABLE([warnings-as-errors], [AS_HELP_STRING([--disable-warnings-as-errors],
-      [do not consider native warnings to be an error @<:@enabled@:>@])])
-
-  AC_MSG_CHECKING([if native warnings are errors])
-  if test "x$enable_warnings_as_errors" = "xyes"; then
-    AC_MSG_RESULT([yes (explicitly set)])
-    WARNINGS_AS_ERRORS=true
-  elif test "x$enable_warnings_as_errors" = "xno"; then
-    AC_MSG_RESULT([no])
-    WARNINGS_AS_ERRORS=false
-  elif test "x$enable_warnings_as_errors" = "x"; then
-    AC_MSG_RESULT([yes (default)])
-    WARNINGS_AS_ERRORS=true
-  else
-    AC_MSG_ERROR([--enable-warnings-as-errors accepts no argument])
-  fi
-
-  AC_SUBST(WARNINGS_AS_ERRORS)
-
-  case "${TOOLCHAIN_TYPE}" in
-    microsoft)
-      DISABLE_WARNING_PREFIX="-wd"
-      CFLAGS_WARNINGS_ARE_ERRORS="-WX"
-      ;;
-    solstudio)
-      DISABLE_WARNING_PREFIX="-erroff="
-      CFLAGS_WARNINGS_ARE_ERRORS="-errtags -errwarn=%all"
-      ;;
-    gcc)
-      # Prior to gcc 4.4, a -Wno-X where X is unknown for that version of gcc will cause an error
-      FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist],
-          IF_TRUE: [GCC_CAN_DISABLE_WARNINGS=true],
-          IF_FALSE: [GCC_CAN_DISABLE_WARNINGS=false]
-      )
-      if test "x$GCC_CAN_DISABLE_WARNINGS" = "xtrue"; then
-        DISABLE_WARNING_PREFIX="-Wno-"
-      else
-        DISABLE_WARNING_PREFIX=
-      fi
-      CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
-      # Repeate the check for the BUILD_CC and BUILD_CXX. Need to also reset
-      # CFLAGS since any target specific flags will likely not work with the
-      # build compiler
-      CC_OLD="$CC"
-      CXX_OLD="$CXX"
-      CC="$BUILD_CC"
-      CXX="$BUILD_CXX"
-      CFLAGS_OLD="$CFLAGS"
-      CFLAGS=""
-      FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [-Wno-this-is-a-warning-that-do-not-exist],
-          IF_TRUE: [BUILD_CC_CAN_DISABLE_WARNINGS=true],
-          IF_FALSE: [BUILD_CC_CAN_DISABLE_WARNINGS=false]
-      )
-      if test "x$BUILD_CC_CAN_DISABLE_WARNINGS" = "xtrue"; then
-        BUILD_CC_DISABLE_WARNING_PREFIX="-Wno-"
-      else
-        BUILD_CC_DISABLE_WARNING_PREFIX=
-      fi
-      CC="$CC_OLD"
-      CXX="$CXX_OLD"
-      CFLAGS="$CFLAGS_OLD"
-      ;;
-    clang)
-      DISABLE_WARNING_PREFIX="-Wno-"
-      CFLAGS_WARNINGS_ARE_ERRORS="-Werror"
-      ;;
-    xlc)
-      DISABLE_WARNING_PREFIX="-qsuppress="
-      CFLAGS_WARNINGS_ARE_ERRORS="-qhalt=w"
-      ;;
-  esac
-  AC_SUBST(DISABLE_WARNING_PREFIX)
-  AC_SUBST(BUILD_CC_DISABLE_WARNING_PREFIX)
-  AC_SUBST(CFLAGS_WARNINGS_ARE_ERRORS)
-])
-
-# FLAGS_SETUP_GCC6_COMPILER_FLAGS([PREFIX])
-# Arguments:
-# $1 - Optional prefix for each variable defined.
-AC_DEFUN([FLAGS_SETUP_GCC6_COMPILER_FLAGS],
-[
-  # These flags are required for GCC 6 builds as undefined behaviour in OpenJDK code
-  # runs afoul of the more aggressive versions of these optimisations.
-  # Notably, value range propagation now assumes that the this pointer of C++
-  # member functions is non-null.
-  NO_DELETE_NULL_POINTER_CHECKS_CFLAG="-fno-delete-null-pointer-checks"
-  dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation
-  dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_DELETE_NULL_POINTER_CHECKS_CFLAG -Werror],
-  dnl					     IF_FALSE: [NO_DELETE_NULL_POINTER_CHECKS_CFLAG=""])
-  NO_LIFETIME_DSE_CFLAG="-fno-lifetime-dse"
-  dnl Argument check is disabled until FLAGS_COMPILER_CHECK_ARGUMENTS handles cross-compilation
-  dnl FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$NO_LIFETIME_DSE_CFLAG -Werror],
-  dnl					     IF_FALSE: [NO_LIFETIME_DSE_CFLAG=""])
-  AC_MSG_NOTICE([GCC >= 6 detected; adding ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} and ${NO_LIFETIME_DSE_CFLAG}])
-  $1CFLAGS_JDK="[$]$1CFLAGS_JDK ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}"
-  $1JVM_CFLAGS="[$]$1JVM_CFLAGS ${NO_DELETE_NULL_POINTER_CHECKS_CFLAG} ${NO_LIFETIME_DSE_CFLAG}"
-])
--- a/make/autoconf/hotspot.m4	Fri Mar 02 00:33:00 2018 -0800
+++ b/make/autoconf/hotspot.m4	Fri Mar 02 10:59:25 2018 +0100
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -277,13 +277,9 @@
   if test "x$OPENJDK_TARGET_CPU" = xarm; then
     HOTSPOT_TARGET_CPU=arm_32
     HOTSPOT_TARGET_CPU_DEFINE="ARM32"
-    JVM_LDFLAGS="$JVM_LDFLAGS -fsigned-char"
-    JVM_CFLAGS="$JVM_CFLAGS -DARM -fsigned-char"
   elif test "x$OPENJDK_TARGET_CPU" = xaarch64 && test "x$HOTSPOT_TARGET_CPU_PORT" = xarm64; then
     HOTSPOT_TARGET_CPU=arm_64
     HOTSPOT_TARGET_CPU_ARCH=arm
-    JVM_LDFLAGS="$JVM_LDFLAGS -fsigned-char"
-    JVM_CFLAGS="$JVM_CFLAGS -DARM -fsigned-char"
   fi
 
   # Verify that dependencies are met for explicitly set features.
--- a/make/autoconf/lib-std.m4	Fri Mar 02 00:33:00 2018 -0800
+++ b/make/autoconf/lib-std.m4	Fri Mar 02 10:59:25 2018 +0100
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -81,6 +81,9 @@
   if test "x$TOOLCHAIN_TYPE" = xsolstudio && test "x$LIBCXX" = x; then
     LIBCXX="${SYSROOT}/usr/lib${OPENJDK_TARGET_CPU_ISADIR}/libCrun.so.1"
   fi
+  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    LIBCXX_JVM="-lCrun"
+  fi
 
   AC_SUBST(LIBCXX)
 
--- a/make/autoconf/libraries.m4	Fri Mar 02 00:33:00 2018 -0800
+++ b/make/autoconf/libraries.m4	Fri Mar 02 10:59:25 2018 +0100
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -101,6 +101,68 @@
   LIB_SETUP_BUNDLED_LIBS
   LIB_SETUP_MISC_LIBS
   LIB_SETUP_SOLARIS_STLPORT
+
+  if test "x$TOOLCHAIN_TYPE" = xsolstudio; then
+    ALWAYS_LIBS="-lc"
+  else
+    ALWAYS_LIBS=""
+  fi
+
+  BASIC_JDKLIB_LIBS=""
+  if test "x$TOOLCHAIN_TYPE" != xmicrosoft; then
+    BASIC_JDKLIB_LIBS="-ljava -ljvm"
+  fi
+  BASIC_JDKLIB_LIBS="$BASIC_JDKLIB_LIBS $ALWAYS_LIBS"
+
+  # Math library
+  if test "x$OPENJDK_TARGET_OS" != xsolaris; then
+    BASIC_JVM_LIBS="$LIBM"
+  else
+    # FIXME: This hard-coded path is not really proper.
+    if test "x$OPENJDK_TARGET_CPU" = xx86_64; then
+      BASIC_SOLARIS_LIBM_LIBS="/usr/lib/amd64/libm.so.1"
+    elif test "x$OPENJDK_TARGET_CPU" = xsparcv9; then
+      BASIC_SOLARIS_LIBM_LIBS="/usr/lib/sparcv9/libm.so.1"
+    fi
+    BASIC_JVM_LIBS="$BASIC_SOLARIS_LIBM_LIBS"
+  fi
+
+  # Dynamic loading library
+  if test "x$OPENJDK_TARGET_OS" = xlinux || test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xaix; then
+    BASIC_JVM_LIBS="$BASIC_JVM_LIBS $LIBDL"
+  fi
+
+  # Threading library
+  if test "x$OPENJDK_TARGET_OS" = xlinux || test "x$OPENJDK_TARGET_OS" = xaix; then
+    BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lpthread"
+  elif test "x$OPENJDK_TARGET_OS" = xsolaris; then
+    BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lthread"
+  fi
+
+  if test "x$OPENJDK_TARGET_OS" = xsolaris; then
+    BASIC_JVM_LIBS="$BASIC_JVM_LIBS -lsocket -lsched -ldoor -ldemangle -lnsl \
+        -lrt"
+    BASIC_JVM_LIBS="$BASIC_JVM_LIBS $LIBCXX_JVM"
+  fi
+
+  if test "x$OPENJDK_TARGET_OS" = xwindows; then
+    BASIC_JVM_LIBS="$BASIC_JVM_LIBS kernel32.lib user32.lib gdi32.lib winspool.lib \
+        comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib \
+        wsock32.lib winmm.lib version.lib psapi.lib"
+  fi
+  BASIC_JVM_LIBS="$BASIC_JVM_LIBS $ALWAYS_LIBS"
+
+  JDKLIB_LIBS="$BASIC_JDKLIB_LIBS"
+  JDKEXE_LIBS=""
+  JVM_LIBS="$BASIC_JVM_LIBS"
+  OPENJDK_BUILD_JDKLIB_LIBS="$BASIC_JDKLIB_LIBS"
+  OPENJDK_BUILD_JVM_LIBS="$BASIC_JVM_LIBS"
+
+  AC_SUBST(JDKLIB_LIBS)
+  AC_SUBST(JDKEXE_LIBS)
+  AC_SUBST(JVM_LIBS)
+  AC_SUBST(OPENJDK_BUILD_JDKLIB_LIBS)
+  AC_SUBST(OPENJDK_BUILD_JVM_LIBS)
 ])
 
 ################################################################################
--- a/make/autoconf/platform.m4	Fri Mar 02 00:33:00 2018 -0800
+++ b/make/autoconf/platform.m4	Fri Mar 02 10:59:25 2018 +0100
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -403,15 +403,6 @@
   OPENJDK_$1_BUNDLE_PLATFORM="${OPENJDK_$1_OS_BUNDLE}-${OPENJDK_$1_CPU_BUNDLE}"
   AC_SUBST(OPENJDK_$1_BUNDLE_PLATFORM)
 
-  if test "x$OPENJDK_$1_CPU_BITS" = x64; then
-    # -D_LP64=1 is only set on linux and mac. Setting on windows causes diff in
-    # unpack200.exe. This variable is used in
-    # FLAGS_SETUP_COMPILER_FLAGS_FOR_JDK_HELPER.
-    if test "x$OPENJDK_$1_OS" = xlinux || test "x$OPENJDK_$1_OS" = xmacosx; then
-      OPENJDK_$1_ADD_LP64="-D_LP64=1"
-    fi
-  fi
-
   if test "x$COMPILE_TYPE" = "xcross"; then
     # FIXME: ... or should this include reduced builds..?
     DEFINE_CROSS_COMPILE_ARCH="CROSS_COMPILE_ARCH:=$OPENJDK_$1_CPU_LEGACY"
@@ -563,31 +554,6 @@
   AC_SUBST(OS_VERSION_MICRO)
 ])
 
-# Support macro for PLATFORM_SETUP_OPENJDK_TARGET_BITS.
-# Add -mX to various FLAGS variables.
-AC_DEFUN([PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS],
-[
-  # When we add flags to the "official" CFLAGS etc, we need to
-  # keep track of these additions in ADDED_CFLAGS etc. These
-  # will later be checked to make sure only controlled additions
-  # have been made to CFLAGS etc.
-  ADDED_CFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
-  ADDED_CXXFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
-  ADDED_LDFLAGS=" ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
-
-  CFLAGS="${CFLAGS}${ADDED_CFLAGS}"
-  CXXFLAGS="${CXXFLAGS}${ADDED_CXXFLAGS}"
-  LDFLAGS="${LDFLAGS}${ADDED_LDFLAGS}"
-
-  CFLAGS_JDK="${CFLAGS_JDK}${ADDED_CFLAGS}"
-  CXXFLAGS_JDK="${CXXFLAGS_JDK}${ADDED_CXXFLAGS}"
-  LDFLAGS_JDK="${LDFLAGS_JDK}${ADDED_LDFLAGS}"
-
-  JVM_CFLAGS="$JVM_CFLAGS $ADDED_CFLAGS"
-  JVM_LDFLAGS="$JVM_LDFLAGS $ADDED_LDFLAGS"
-  JVM_ASFLAGS="$JVM_ASFLAGS $ADDED_CFLAGS"
-])
-
 AC_DEFUN_ONCE([PLATFORM_SETUP_OPENJDK_TARGET_BITS],
 [
   ###############################################################################
@@ -597,22 +563,6 @@
   # is made at runtime.)
   #
 
-  if test "x$OPENJDK_TARGET_OS" = xsolaris || test "x$OPENJDK_TARGET_OS" = xaix; then
-    # Always specify -m flag on Solaris
-    # And -q on AIX because otherwise the compiler produces 32-bit objects by default
-    PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS
-  elif test "x$COMPILE_TYPE" = xreduced; then
-    if test "x$OPENJDK_TARGET_OS_TYPE" = xunix; then
-      # Specify -m if running reduced on unix platforms
-      PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS
-    fi
-  fi
-  if test "x$OPENJDK_TARGET_OS" = xmacosx; then
-    JVM_CFLAGS="$JVM_CFLAGS ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
-    JVM_LDFLAGS="$JVM_LDFLAGS ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
-    JVM_ASFLAGS="$JVM_ASFLAGS ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}"
-  fi
-
   # Make compilation sanity check
   AC_CHECK_HEADERS([stdio.h], , [
     AC_MSG_NOTICE([Failed to compile stdio.h. This likely implies missing compile dependencies.])
@@ -635,33 +585,14 @@
     TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`
 
     if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then
-      # This situation may happen on 64-bit platforms where the compiler by default only generates 32-bit objects
-      # Let's try to implicitely set the compilers target architecture and retry the test
-      AC_MSG_NOTICE([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS).])
-      AC_MSG_NOTICE([Retrying with platforms compiler target bits flag to ${COMPILER_TARGET_BITS_FLAG}${OPENJDK_TARGET_CPU_BITS}])
-      PLATFORM_SET_COMPILER_TARGET_BITS_FLAGS
-
-      # We have to unset 'ac_cv_sizeof_int_p' first, otherwise AC_CHECK_SIZEOF will use the previously cached value!
-      unset ac_cv_sizeof_int_p
-      # And we have to undef the definition of SIZEOF_INT_P in confdefs.h by the previous invocation of AC_CHECK_SIZEOF
-      cat >>confdefs.h <<_ACEOF
-#undef SIZEOF_INT_P
-_ACEOF
-
-      AC_CHECK_SIZEOF([int *], [1111])
-
-      TESTED_TARGET_CPU_BITS=`expr 8 \* $ac_cv_sizeof_int_p`
-
-      if test "x$TESTED_TARGET_CPU_BITS" != "x$OPENJDK_TARGET_CPU_BITS"; then
-        AC_MSG_NOTICE([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS)])
-        if test "x$COMPILE_TYPE" = xreduced; then
-          HELP_MSG_MISSING_DEPENDENCY([reduced])
-          AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG])
-        elif test "x$COMPILE_TYPE" = xcross; then
-          AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.])
-        fi
-        AC_MSG_ERROR([Cannot continue.])
+      AC_MSG_NOTICE([The tested number of bits in the target ($TESTED_TARGET_CPU_BITS) differs from the number of bits expected to be found in the target ($OPENJDK_TARGET_CPU_BITS)])
+      if test "x$COMPILE_TYPE" = xreduced; then
+        HELP_MSG_MISSING_DEPENDENCY([reduced])
+        AC_MSG_NOTICE([You are doing a reduced build. Check that you have 32-bit libraries installed. $HELP_MSG])
+      elif test "x$COMPILE_TYPE" = xcross; then
+        AC_MSG_NOTICE([You are doing a cross-compilation. Check that you have all target platform libraries installed.])
       fi
+      AC_MSG_ERROR([Cannot continue.])
     fi
   fi
 
--- a/make/autoconf/spec.gmk.in	Fri Mar 02 00:33:00 2018 -0800
+++ b/make/autoconf/spec.gmk.in	Fri Mar 02 10:59:25 2018 +0100
@@ -423,7 +423,7 @@
 WARNINGS_AS_ERRORS := @WARNINGS_AS_ERRORS@
 
 CFLAGS_CCACHE:=@CFLAGS_CCACHE@
-CXXSTD_CXXFLAG=@CXXSTD_CXXFLAG@
+ADLC_CXXFLAG=@ADLC_CXXFLAG@
 
 # Tools that potentially need to be cross compilation aware.
 CC:=@FIXPATH@ @CCACHE@ @ICECC@ @CC@
@@ -436,8 +436,8 @@
 CFLAGS_JDKEXE:=@CFLAGS_JDKEXE@
 CXXFLAGS_JDKEXE:=@CXXFLAGS_JDKEXE@
 
-LDFLAGS_HASH_STYLE := @LDFLAGS_HASH_STYLE@
-LDFLAGS_NO_EXEC_STACK := @LDFLAGS_NO_EXEC_STACK@
+LIBJSIG_HASHSTYLE_LDFLAGS := @LIBJSIG_HASHSTYLE_LDFLAGS@
+LIBJSIG_NOEXECSTACK_LDFLAGS := @LIBJSIG_NOEXECSTACK_LDFLAGS@
 
 JVM_CFLAGS := @JVM_CFLAGS@
 JVM_CFLAGS_SYMBOLS := @JVM_CFLAGS_SYMBOLS@
@@ -524,7 +524,6 @@
 # Options for C/CXX compiler to be used if linking is performed
 #   using reorder file
 C_FLAG_REORDER:=@C_FLAG_REORDER@
-CXX_FLAG_REORDER:=@CXX_FLAG_REORDER@
 
 #
 # Options for generating debug symbols
--- a/make/autoconf/toolchain.m4	Fri Mar 02 00:33:00 2018 -0800
+++ b/make/autoconf/toolchain.m4	Fri Mar 02 10:59:25 2018 +0100
@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2011, 2017, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2011, 2018, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -783,7 +783,6 @@
         fi
 
         BUILD_SYSROOT="$BUILD_DEVKIT_SYSROOT"
-        FLAGS_SETUP_SYSROOT_FLAGS([BUILD_])
 
          # Fallback default of just /bin if DEVKIT_PATH is not defined
         if test "x$BUILD_DEVKIT_TOOLCHAIN_PATH" = x; then
@@ -830,8 +829,6 @@
     BUILD_AS="$AS"
     BUILD_OBJCOPY="$OBJCOPY"
     BUILD_STRIP="$STRIP"
-    BUILD_SYSROOT_CFLAGS="$SYSROOT_CFLAGS"
-    BUILD_SYSROOT_LDFLAGS="$SYSROOT_LDFLAGS"
     BUILD_AR="$AR"
 
     TOOLCHAIN_PREPARE_FOR_VERSION_COMPARISONS([], [OPENJDK_BUILD_])
@@ -843,8 +840,6 @@
   AC_SUBST(BUILD_LDCXX)
   AC_SUBST(BUILD_NM)
   AC_SUBST(BUILD_AS)
-  AC_SUBST(BUILD_SYSROOT_CFLAGS)
-  AC_SUBST(BUILD_SYSROOT_LDFLAGS)
   AC_SUBST(BUILD_AR)
 ])
 
@@ -876,24 +871,6 @@
     # If this is a --hash-style=gnu system, use --hash-style=both, why?
     HAS_GNU_HASH=`$CC -dumpspecs 2>/dev/null | $GREP 'hash-style=gnu'`
     # This is later checked when setting flags.
-
-    # "-Og" suppported for GCC 4.8 and later
-    CFLAG_OPTIMIZE_DEBUG_FLAG="-Og"
-    FLAGS_COMPILER_CHECK_ARGUMENTS(ARGUMENT: [$CFLAG_OPTIMIZE_DEBUG_FLAG],
-      IF_TRUE: [HAS_CFLAG_OPTIMIZE_DEBUG=true],
-      IF_FALSE: [HAS_CFLAG_OPTIMIZE_DEBUG=false])
-
-    # "-z relro" supported in GNU binutils 2.17 and later
-    LINKER_RELRO_FLAG="-Wl,-z,relro"
-    FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [$LINKER_RELRO_FLAG],
-      IF_TRUE: [HAS_LINKER_RELRO=true],
-      IF_FALSE: [HAS_LINKER_RELRO=false])
-
-    # "-z now" supported in GNU binutils 2.11 and later
-    LINKER_NOW_FLAG="-Wl,-z,now"
-    FLAGS_LINKER_CHECK_ARGUMENTS(ARGUMENT: [$LINKER_NOW_FLAG],
-      IF_TRUE: [HAS_LINKER_NOW=true],
-      IF_FALSE: [HAS_LINKER_NOW=false])
   fi
 
   # Check for broken SuSE 'ld' for which 'Only anonymous version tag is allowed
--- a/make/common/NativeCompilation.gmk	Fri Mar 02 00:33:00 2018 -0800
+++ b/make/common/NativeCompilation.gmk	Fri Mar 02 10:59:25 2018 +0100
@@ -567,7 +567,7 @@
 
   ifneq ($$($1_REORDER), )
     $1_EXTRA_CFLAGS += $$(C_FLAG_REORDER)
-    $1_EXTRA_CXXFLAGS += $$(CXX_FLAG_REORDER)
+    $1_EXTRA_CXXFLAGS += $$(C_FLAG_REORDER)
   endif
 
   # Pass the library name for static JNI library naming
--- a/make/hotspot/gensrc/GensrcAdlc.gmk	Fri Mar 02 00:33:00 2018 -0800
+++ b/make/hotspot/gensrc/GensrcAdlc.gmk	Fri Mar 02 10:59:25 2018 +0100
@@ -52,7 +52,7 @@
   endif
 
   # Set the C++ standard if supported
-  ADLC_CFLAGS += $(CXXSTD_CXXFLAG)
+  ADLC_CFLAGS += $(ADLC_CXXFLAG)
 
   # NOTE: The old build didn't set -DASSERT for windows but it doesn't seem to
   # hurt.
--- a/make/hotspot/lib/CompileLibjsig.gmk	Fri Mar 02 00:33:00 2018 -0800
+++ b/make/hotspot/lib/CompileLibjsig.gmk	Fri Mar 02 10:59:25 2018 +0100
@@ -36,7 +36,7 @@
   ifeq ($(STATIC_BUILD), false)
     ifeq ($(OPENJDK_TARGET_OS), linux)
       LIBJSIG_CFLAGS := -fPIC -D_GNU_SOURCE -D_REENTRANT $(EXTRA_CFLAGS)
-      LIBJSIG_LDFLAGS := $(LDFLAGS_HASH_STYLE) ${LDFLAGS_NO_EXEC_STACK} $(EXTRA_CFLAGS)
+      LIBJSIG_LDFLAGS := $(LIBJSIG_HASHSTYLE_LDFLAGS) ${LIBJSIG_NOEXECSTACK_LDFLAGS} $(EXTRA_CFLAGS)
       LIBJSIG_LIBS := $(LIBDL)
 
       # NOTE: The old build compiled this library without -soname.
@@ -76,7 +76,7 @@
 
     else ifeq ($(OPENJDK_TARGET_OS), macosx)
       LIBJSIG_CFLAGS := -m64 -D_GNU_SOURCE -pthread -mno-omit-leaf-frame-pointer -mstack-alignment=16 -fPIC
-      LIBJSIG_LDFLAGS := $(LDFLAGS_HASH_STYLE)
+      LIBJSIG_LDFLAGS := $(LIBJSIG_HASHSTYLE_LDFLAGS)
     else
       $(error Unknown target OS $(OPENJDK_TARGET_OS) in CompileLibjsig.gmk)
     endif