changeset 2557:954dd199d6ff jdk8-b112

Merge
author katleman
date Wed, 16 Oct 2013 12:05:07 -0700
parents 2f43529df42f 343aeb2033f0
children 8f54b4231c28
files
diffstat 2 files changed, 132 insertions(+), 123 deletions(-) [+]
line wrap: on
line diff
--- a/makefiles/BuildLangtools.gmk	Fri Oct 11 03:09:42 2013 -0700
+++ b/makefiles/BuildLangtools.gmk	Wed Oct 16 12:05:07 2013 -0700
@@ -32,44 +32,49 @@
 
 # The BOOT_JAVAC setup uses the bootdir compiler to compile the tools
 # and the bootstrap javac, to be run by the bootdir jvm.
-$(eval $(call SetupJavaCompiler,BOOT_JAVAC,\
-	JAVAC:=$(JAVAC),\
-        SERVER_DIR:=$(SJAVAC_SERVER_DIR),\
-        SERVER_JVM:=$(SJAVAC_SERVER_JAVA),\
-        FLAGS:=-XDignore.symbol.file=true -g -Xlint:all$(COMMA)-deprecation -Werror))
+$(eval $(call SetupJavaCompiler,BOOT_JAVAC, \
+    JAVAC := $(JAVAC), \
+    SERVER_DIR := $(SJAVAC_SERVER_DIR), \
+    SERVER_JVM := $(SJAVAC_SERVER_JAVA), \
+    FLAGS := -XDignore.symbol.file=true -g -Xlint:all$(COMMA)-deprecation -Werror))
 
 # javax.tools.JavaCompilerTool isn't really a suffix but this gets the file copied.
-RESOURCE_SUFFIXES:=.gif .xml .css .js javax.tools.JavaCompilerTool
+RESOURCE_SUFFIXES := .gif .xml .css .js javax.tools.JavaCompilerTool
 
 # Now setup the compilation of the properties compilation tool. You can depend
 # upon $(BUILD_TOOLS) to trigger a compilation of the tools. Note that we
 # add src/share/classes to the sourcepath. This is necessary since the GenStubs
 # program needs to be linked and run towards the new javac sources.
-$(eval $(call SetupJavaCompilation,BUILD_TOOLS,\
-		SETUP:=BOOT_JAVAC,\
-		DISABLE_SJAVAC:=true,\
-                ADD_JAVAC_FLAGS:=-Xprefer:source,\
-		SRC:=$(LANGTOOLS_TOPDIR)/make/tools $(LANGTOOLS_TOPDIR)/src/share/classes,\
-		INCLUDES:=compileproperties genstubs,\
-		BIN:=$(LANGTOOLS_OUTPUTDIR)/btclasses))
+$(eval $(call SetupJavaCompilation,BUILD_TOOLS, \
+    SETUP := BOOT_JAVAC, \
+    DISABLE_SJAVAC := true, \
+    ADD_JAVAC_FLAGS := -Xprefer:source, \
+    SRC := $(LANGTOOLS_TOPDIR)/make/tools $(LANGTOOLS_TOPDIR)/src/share/classes, \
+    INCLUDES := compileproperties genstubs, \
+    BIN := $(LANGTOOLS_OUTPUTDIR)/btclasses))
 
 # The compileprops tools compiles a properties file into a resource bundle.
-TOOL_COMPILEPROPS_CMD:=$(JAVA) -cp $(LANGTOOLS_OUTPUTDIR)/btclasses compileproperties.CompileProperties -quiet
+TOOL_COMPILEPROPS_CMD := $(JAVA) -cp $(LANGTOOLS_OUTPUTDIR)/btclasses compileproperties.CompileProperties -quiet
+
 # Lookup the properties that need to be compiled into resource bundles.
-PROPSOURCES:=$(shell $(FIND) $(LANGTOOLS_TOPDIR)/src/share/classes -name "*.properties")
+PROPSOURCES := $(shell $(FIND) $(LANGTOOLS_TOPDIR)/src/share/classes -name "*.properties")
+
 # Strip away prefix and suffix, leaving for example only: "com/sun/tools/javac/resources/javac_zh_CN"
-PROPPATHS:=$(patsubst $(LANGTOOLS_TOPDIR)/src/share/classes/%.properties,%,$(PROPSOURCES))
+PROPPATHS := $(patsubst $(LANGTOOLS_TOPDIR)/src/share/classes/%.properties, %, $(PROPSOURCES))
+
 # Generate the list of java files to be created.
-PROPJAVAS:=$(patsubst %,$(LANGTOOLS_OUTPUTDIR)/gensrc/%.java,$(PROPPATHS))
+PROPJAVAS := $(patsubst %, $(LANGTOOLS_OUTPUTDIR)/gensrc/%.java, $(PROPPATHS))
+
 # Generate the package dirs for the tobe generated java files.
-PROPDIRS:=$(dir $(PROPJAVAS))
+PROPDIRS := $(dir $(PROPJAVAS))
+
 # Now generate a sequence of "-compile ...javac_zh_CN.properties ...javac_zh_CN.java java.util.ListResourceBundle"
 # suitable to be fed into the CompileProperties command.
-PROPCMDLINE:=$(subst _SPACE_,$(SPACE),$(join $(addprefix -compile_SPACE_,$(PROPSOURCES)), \
-		$(addsuffix _SPACE_java.util.ListResourceBundle,$(addprefix _SPACE_$(LANGTOOLS_OUTPUTDIR)/gensrc/,$(addsuffix .java,$(PROPPATHS))))))
+PROPCMDLINE := $(subst _SPACE_, $(SPACE), $(join $(addprefix -compile_SPACE_, $(PROPSOURCES)), \
+    $(addsuffix _SPACE_java.util.ListResourceBundle, $(addprefix _SPACE_$(LANGTOOLS_OUTPUTDIR)/gensrc/, $(addsuffix .java, $(PROPPATHS))))))
 
 # Now setup the rule for the generation of the resource bundles.
-$(LANGTOOLS_OUTPUTDIR)/gensrc/_the_props.d : $(PROPSOURCES) $(BUILD_TOOLS)
+$(LANGTOOLS_OUTPUTDIR)/gensrc/_the_props.d: $(PROPSOURCES) $(BUILD_TOOLS)
 	$(RM) -r $(@D)/*
 	$(MKDIR) -p $(@D) $(PROPDIRS)
 	$(PRINTF) "jdk=$(JDK_VERSION)\nfull=$(FULL_VERSION)\nrelease=$(RELEASE)\n" > $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javah/resources/version.properties
@@ -78,115 +83,119 @@
 	$(PRINTF) "jdk=$(JDK_VERSION)\nfull=$(FULL_VERSION)\nrelease=$(RELEASE)\n" > $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/jdeps/resources/version.properties
 	$(ECHO) Compiling $(words $(PROPSOURCES) v1 v2 v3) properties into resource bundles
 	$(TOOL_COMPILEPROPS_CMD) $(PROPCMDLINE) \
-		-compile 	$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javah/resources/version.properties \
-				$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javah/resources/version.java \
-				java.util.ListResourceBundle \
-		-compile 	$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javap/resources/version.properties \
-				$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javap/resources/version.java \
-				java.util.ListResourceBundle \
-		-compile	$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javac/resources/version.properties \
-				$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javac/resources/version.java \
-				java.util.ListResourceBundle \
-		-compile	$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/jdeps/resources/version.properties \
-				$(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/jdeps/resources/version.java \
-				java.util.ListResourceBundle
-	$(ECHO) PROPS_ARE_CREATED=yes > $@
+	    -compile $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javah/resources/version.properties \
+	        $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javah/resources/version.java \
+	        java.util.ListResourceBundle \
+	    -compile $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javap/resources/version.properties \
+	        $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javap/resources/version.java \
+	        java.util.ListResourceBundle \
+	    -compile $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javac/resources/version.properties \
+	        $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/javac/resources/version.java \
+	        java.util.ListResourceBundle \
+	    -compile $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/jdeps/resources/version.properties \
+	        $(LANGTOOLS_OUTPUTDIR)/gensrc/com/sun/tools/jdeps/resources/version.java \
+	        java.util.ListResourceBundle
+	$(ECHO) PROPS_ARE_CREATED = yes > $@
 
 # Trigger the generation of the resource bundles. After the resource bundles have
 # been compiled, then the makefile will restart and the newly created java files
 # will become part of the build further along in the makefile.
 -include $(LANGTOOLS_OUTPUTDIR)/gensrc/_the_props.d
 
-ifeq ($(PROPS_ARE_CREATED),yes)
-        # Setup the rules to build a dist/bootstrap/lib/javac.jar, ie a smaller intermediate javac
-        # that can be compiled with an old javac. The intermediate javac is then used
-        # to compile javac again and to build the complete new jdk.
-        $(eval $(call SetupJavaCompilation,BUILD_BOOTSTRAP_LANGTOOLS,\
-		SETUP:=BOOT_JAVAC,\
-		DISABLE_SJAVAC:=true,\
-		SRC:=$(LANGTOOLS_TOPDIR)/src/share/classes $(LANGTOOLS_OUTPUTDIR)/gensrc,\
-		EXCLUDES:=com/sun/tools/javac/nio,\
-		COPY:=$(RESOURCE_SUFFIXES),\
-		BIN:=$(LANGTOOLS_OUTPUTDIR)/btclasses/bootstrap))
+ifeq ($(PROPS_ARE_CREATED), yes)
+  # Setup the rules to build a dist/bootstrap/lib/javac.jar, ie a smaller intermediate javac
+  # that can be compiled with an old javac. The intermediate javac is then used
+  # to compile javac again and to build the complete new jdk.
+  $(eval $(call SetupJavaCompilation,BUILD_BOOTSTRAP_LANGTOOLS, \
+      SETUP := BOOT_JAVAC, \
+      DISABLE_SJAVAC := true, \
+      SRC := $(LANGTOOLS_TOPDIR)/src/share/classes $(LANGTOOLS_OUTPUTDIR)/gensrc, \
+      EXCLUDES := com/sun/tools/javac/nio, \
+      COPY := $(RESOURCE_SUFFIXES), \
+      BIN := $(LANGTOOLS_OUTPUTDIR)/btclasses/bootstrap))
 
-        $(eval $(call SetupArchive,ARCHIVE_BOOTSTRAP_JAVAC,$(BUILD_BOOTSTRAP_LANGTOOLS),\
-		SRCS:=$(LANGTOOLS_OUTPUTDIR)/btclasses/bootstrap,\
-		JAR:=$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar,\
-		SUFFIXES:=.class $(RESOURCE_SUFFIXES)))
+  $(eval $(call SetupArchive,ARCHIVE_BOOTSTRAP_JAVAC, $(BUILD_BOOTSTRAP_LANGTOOLS), \
+      SRCS := $(LANGTOOLS_OUTPUTDIR)/btclasses/bootstrap, \
+      JAR := $(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar, \
+      SUFFIXES := .class $(RESOURCE_SUFFIXES)))
 
-        # GenStubs is used to bootstrap any dependencies from javac to the new JDK that is not 
-        # yet built. It is currently not needed but might be again in the future. The following
-        # exercises the functionality to verify that it works.
-        TOOL_GENSTUBS_CMD=$(JAVA) \
-             "-Xbootclasspath/p:$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar" \
-             -classpath $(LANGTOOLS_OUTPUTDIR)/btclasses \
-             genstubs.GenStubs
-        # We fetch source from the JDK...
-        JDKS=$(JDK_TOPDIR)/src/share/classes
-        # Build the list of classes to generate stubs from. java/util/function/Predicate.java isn't
-        # currently needed, but is used as a demo for now.
-	 STUBSOURCES:=$(shell $(FIND) $(JDKS) -name "*.java" | $(GREP) \
-		    -e "$(JDKS)/java/util/function/Predicate.java")
-        # Rewrite the file names into class names because the GenStubs tool require this.
-        STUBCLASSES:=$(subst /,.,$(patsubst $(JDKS)/%.java,%,$(STUBSOURCES)))
+  # GenStubs is used to bootstrap any dependencies from javac to the new JDK that is not
+  # yet built. It is currently not needed but might be again in the future. The following
+  # exercises the functionality to verify that it works.
+  TOOL_GENSTUBS_CMD = $(JAVA) \
+       "-Xbootclasspath/p:$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar" \
+       -classpath $(LANGTOOLS_OUTPUTDIR)/btclasses \
+       genstubs.GenStubs
 
-        # Now setup the build recipe for genstubs.
-        $(LANGTOOLS_OUTPUTDIR)/genstubs/_the_stubs.d : $(STUBSOURCES) $(BUILD_TOOLS) \
-				$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar \
-				$(LANGTOOLS_OUTPUTDIR)/gensrc/_the_props.d
-	       	$(MKDIR) -p $(@D)
-		$(MKDIR) -p $(LANGTOOLS_OUTPUTDIR)/tmpstubs
-	       	$(ECHO) $(LOG_INFO) Generating stubs from JDK sources.
-	       	($(TOOL_GENSTUBS_CMD) -s $(LANGTOOLS_OUTPUTDIR)/tmpstubs -sourcepath $(JDKS) $(STUBCLASSES) && $(ECHO) STUBS_ARE_CREATED=yes > $@)
-		if $(DIFF) -x "_the*" -rq $(LANGTOOLS_OUTPUTDIR)/tmpstubs $(LANGTOOLS_OUTPUTDIR)/genstubs > /dev/null 2>&1; then \
-			$(ECHO) $(LOG_INFO) No changes in the stubs!; \
-			$(RM) -r $(LANGTOOLS_OUTPUTDIR)/tmpstubs; \
-		else \
-			$(ECHO) $(LOG_INFO) Changes in stubs detected!; \
-			$(RM) -r $(@D); \
-			$(MV) $(LANGTOOLS_OUTPUTDIR)/tmpstubs $(@D); \
-		fi
-		$(ECHO) STUBS_ARE_CREATED=yes > $@
+  # We fetch source from the JDK...
+  JDKS = $(JDK_TOPDIR)/src/share/classes
 
-        # Trigger a generation of the genstubs java source code and a restart
-        # of the makefile to make sure that the following build setup use the 
-        # newly created java files.
-        -include $(LANGTOOLS_OUTPUTDIR)/genstubs/_the_stubs.d
+  # Build the list of classes to generate stubs from. java/util/function/Predicate.java isn't
+  # currently needed, but is used as a demo for now.
 
-	ifeq ($(STUBS_ARE_CREATED),yes)
-                # Setup a compiler configuration using the intermediate javac in dist/bootstrap/lib/javac.jar
-                # that generates code for the new jdk that is being built.
-                # The code compiled by this compiler setup, cannot necessarily be run with the bootstrap jvm.
-                $(eval $(call SetupJavaCompiler,GENERATE_NEWBYTECODE,\
-                  JVM:=$(JAVA),\
-                  JAVAC:="-Xbootclasspath/p:$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar" \
-			 -cp $(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar \
-			 com.sun.tools.javac.Main,\
-                  FLAGS:=-XDignore.symbol.file=true -Xlint:all$(COMMA)-deprecation -Werror,\
-                  SERVER_DIR:=$(SJAVAC_SERVER_DIR),\
-                  SERVER_JVM:=$(SJAVAC_SERVER_JAVA)))
+  STUBSOURCES := $(shell $(FIND) $(JDKS) -name "*.java" | $(GREP) \
+      -e "$(JDKS)/java/util/function/Predicate.java")
 
-                $(eval $(call SetupJavaCompilation,BUILD_FULL_JAVAC,\
-			SETUP:=GENERATE_NEWBYTECODE,\
-			SRC:=$(LANGTOOLS_TOPDIR)/src/share/classes $(LANGTOOLS_OUTPUTDIR)/gensrc \
-			     $(LANGTOOLS_OUTPUTDIR)/genstubs,\
-			EXCLUDES:=java/util java/io java/nio,\
-			COPY:=$(RESOURCE_SUFFIXES),\
-			BIN:=$(LANGTOOLS_OUTPUTDIR)/classes))
+  # Rewrite the file names into class names because the GenStubs tool require this.
+  STUBCLASSES := $(subst /,., $(patsubst $(JDKS)/%.java, %, $(STUBSOURCES)))
 
-                $(eval $(call SetupArchive,ARCHIVE_FULL_JAVAC,$(BUILD_FULL_JAVAC),\
-			SETUP:=GENERATE_NEWBYTECODE,\
-			SRCS:=$(LANGTOOLS_OUTPUTDIR)/classes,\
-			SUFFIXES:=.class $(RESOURCE_SUFFIXES),\
-			JAR:=$(LANGTOOLS_OUTPUTDIR)/dist/lib/classes.jar))
+  # Now setup the build recipe for genstubs.
+  $(LANGTOOLS_OUTPUTDIR)/genstubs/_the_stubs.d: $(STUBSOURCES) $(BUILD_TOOLS) \
+      $(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar \
+      $(LANGTOOLS_OUTPUTDIR)/gensrc/_the_props.d
+	$(MKDIR) -p $(@D)
+	$(MKDIR) -p $(LANGTOOLS_OUTPUTDIR)/tmpstubs
+	$(ECHO) $(LOG_INFO) Generating stubs from JDK sources.
+	($(TOOL_GENSTUBS_CMD) -s $(LANGTOOLS_OUTPUTDIR)/tmpstubs -sourcepath $(JDKS) $(STUBCLASSES) && $(ECHO) STUBS_ARE_CREATED = yes > $@)
+	if $(DIFF) -x "_the*" -rq $(LANGTOOLS_OUTPUTDIR)/tmpstubs $(LANGTOOLS_OUTPUTDIR)/genstubs > /dev/null 2>&1; then \
+	  $(ECHO) $(LOG_INFO) No changes in the stubs!; \
+	  $(RM) -r $(LANGTOOLS_OUTPUTDIR)/tmpstubs; \
+	else \
+	  $(ECHO) $(LOG_INFO) Changes in stubs detected!; \
+	  $(RM) -r $(@D); \
+	  $(MV) $(LANGTOOLS_OUTPUTDIR)/tmpstubs $(@D); \
+	fi
+	$(ECHO) STUBS_ARE_CREATED = yes > $@
 
-                $(eval $(call SetupZipArchive,ZIP_FULL_JAVAC_SOURCE,\
-			SRC:=$(LANGTOOLS_TOPDIR)/src/share/classes $(LANGTOOLS_OUTPUTDIR)/gensrc,\
-			ZIP:=$(LANGTOOLS_OUTPUTDIR)/dist/lib/src.zip))
+  # Trigger a generation of the genstubs java source code and a restart
+  # of the makefile to make sure that the following build setup use the
+  # newly created java files.
+  -include $(LANGTOOLS_OUTPUTDIR)/genstubs/_the_stubs.d
 
-                all: 		$(LANGTOOLS_OUTPUTDIR)/dist/lib/classes.jar \
-				$(LANGTOOLS_OUTPUTDIR)/dist/lib/src.zip \
-	                 	$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar
+  ifeq ($(STUBS_ARE_CREATED), yes)
+    # Setup a compiler configuration using the intermediate javac in dist/bootstrap/lib/javac.jar
+    # that generates code for the new jdk that is being built.
+    # The code compiled by this compiler setup, cannot necessarily be run with the bootstrap jvm.
+    $(eval $(call SetupJavaCompiler,GENERATE_NEWBYTECODE, \
+        JVM := $(JAVA), \
+        JAVAC := "-Xbootclasspath/p:$(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar" \
+            -cp $(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar \
+            com.sun.tools.javac.Main, \
+        FLAGS := -XDignore.symbol.file=true -Xlint:all$(COMMA)-deprecation -Werror, \
+        SERVER_DIR := $(SJAVAC_SERVER_DIR), \
+        SERVER_JVM := $(SJAVAC_SERVER_JAVA)))
 
-        endif
+    $(eval $(call SetupJavaCompilation,BUILD_FULL_JAVAC, \
+        SETUP := GENERATE_NEWBYTECODE, \
+        SRC := $(LANGTOOLS_TOPDIR)/src/share/classes $(LANGTOOLS_OUTPUTDIR)/gensrc \
+            $(LANGTOOLS_OUTPUTDIR)/genstubs, \
+        EXCLUDES := java/util java/io java/nio, \
+        COPY := $(RESOURCE_SUFFIXES), \
+        BIN := $(LANGTOOLS_OUTPUTDIR)/classes))
+
+    $(eval $(call SetupArchive,ARCHIVE_FULL_JAVAC, $(BUILD_FULL_JAVAC), \
+        SETUP := GENERATE_NEWBYTECODE, \
+        SRCS := $(LANGTOOLS_OUTPUTDIR)/classes, \
+        SUFFIXES := .class $(RESOURCE_SUFFIXES), \
+        JAR := $(LANGTOOLS_OUTPUTDIR)/dist/lib/classes.jar))
+
+    $(eval $(call SetupZipArchive,ZIP_FULL_JAVAC_SOURCE, \
+        SRC := $(LANGTOOLS_TOPDIR)/src/share/classes $(LANGTOOLS_OUTPUTDIR)/gensrc, \
+        ZIP := $(LANGTOOLS_OUTPUTDIR)/dist/lib/src.zip))
+
+    all: $(LANGTOOLS_OUTPUTDIR)/dist/lib/classes.jar \
+        $(LANGTOOLS_OUTPUTDIR)/dist/lib/src.zip \
+        $(LANGTOOLS_OUTPUTDIR)/dist/bootstrap/lib/javac.jar
+
+  endif
 endif
--- a/makefiles/Makefile	Fri Oct 11 03:09:42 2013 -0700
+++ b/makefiles/Makefile	Wed Oct 16 12:05:07 2013 -0700
@@ -24,19 +24,19 @@
 #
 
 # Locate this Makefile
-ifeq ($(filter /%,$(lastword $(MAKEFILE_LIST))),)
-    makefile_path:=$(CURDIR)/$(lastword $(MAKEFILE_LIST))
+ifeq ($(filter /%, $(lastword $(MAKEFILE_LIST))), )
+  makefile_path := $(CURDIR)/$(lastword $(MAKEFILE_LIST))
 else
-    makefile_path:=$(lastword $(MAKEFILE_LIST))
+  makefile_path := $(lastword $(MAKEFILE_LIST))
 endif
-repo_dir:=$(patsubst %/makefiles/Makefile,%,$(makefile_path))
+repo_dir := $(patsubst %/makefiles/Makefile, %, $(makefile_path))
 
 # What is the name of this subsystem (langtools, corba, etc)?
-subsystem_name:=$(notdir $(repo_dir))
+subsystem_name := $(notdir $(repo_dir))
 
 # Try to locate top-level makefile
-top_level_makefile:=$(repo_dir)/../common/makefiles/Makefile
-ifneq ($(wildcard $(top_level_makefile)),)
+top_level_makefile := $(repo_dir)/../common/makefiles/Makefile
+ifneq ($(wildcard $(top_level_makefile)), )
   $(info Will run $(subsystem_name) target on top-level Makefile)
   $(info WARNING: This is a non-recommended way of building!)
   $(info ===================================================)