view Makefile @ 28838:da47c3cc5c98

8067460: G1: TestResourceManagementFlagWithCommercialBuild.java failed on embedded platform Summary: Added extension point to detect unsupported options Reviewed-by: dholmes, bdelsart
author aharlap
date Wed, 04 Feb 2015 13:14:27 -0500
parents 236555ddac42
children 0c09b47449c8
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default:

# Inclusion of this pseudo-target will cause make to execute this file
# serially, regardless of -j. Recursively called makefiles will not be
# affected, however. This is required for correct dependency management.
.NOTPARALLEL:

# The shell code below will be executed on /usr/ccs/bin/make on Solaris, but not in GNU make.
# /usr/ccs/bin/make lacks basically every other flow control mechanism.
.TEST_FOR_NON_GNUMAKE:sh=echo You are not using GNU make/gmake, this is a requirement. Check your path. 1>&2 && exit 1

# Assume we have GNU make, but check version.
ifeq ($(strip $(foreach v, 3.81% 3.82% 4.%, $(filter $v, $(MAKE_VERSION)))), )
  $(error This version of GNU Make is too low ($(MAKE_VERSION)). Check your path, or upgrade to 3.81 or newer.)
endif

# Locate this Makefile
ifeq ($(filter /%,$(lastword $(MAKEFILE_LIST))),)
  makefile_path:=$(CURDIR)/$(lastword $(MAKEFILE_LIST))
else
  makefile_path:=$(lastword $(MAKEFILE_LIST))
endif
root_dir:=$(patsubst %/,%,$(dir $(makefile_path)))

ifneq ($(findstring qp,$(MAKEFLAGS)),)
  # When called with -qp, assume an external part (e.g. bash completion) is trying
  # to understand our targets.
  # Duplication of global targets, needed before ParseConfAndSpec in case we have
  # no configurations.
  help:
  # If both CONF and SPEC are unset, look for all available configurations by
  # setting CONF to the empty string.
  ifeq ($(SPEC), )
    CONF?=
  endif
endif

# ... and then we can include our helper functions
include $(root_dir)/make/MakeHelpers.gmk

$(eval $(call ParseLogLevel))
$(eval $(call ParseConfAndSpec))

# Now determine if we have zero, one or several configurations to build.
ifeq ($(SPEC),)
  # Since we got past ParseConfAndSpec, we must be building a global target. Do nothing.
else
  # In Cygwin, the MAKE variable gets messed up if the make executable is called with
  # a Windows mixed path (c:/cygwin/bin/make.exe). If that's the case, fix it by removing
  # the prepended root_dir.
  ifneq ($(findstring :, $(MAKE)), )
    MAKE := $(patsubst $(root_dir)%, %, $(MAKE))
  endif

  # We are potentially building multiple configurations.
  # First, find out the valid targets
  # Run the makefile with an arbitrary SPEC using -p -q (quiet dry-run and dump rules) to find
  # available PHONY targets. Use this list as valid targets to pass on to the repeated calls.
  all_phony_targets := $(sort $(filter-out $(global_targets), $(strip $(shell \
      cd $(root_dir)/make && $(MAKE) -f Main.gmk -p -q FRC SPEC=$(firstword $(SPEC)) \
      -I $(root_dir)/make/common | grep "^.PHONY:" | head -n 1 | cut -d " " -f 2-))))

  # Loop through the configurations and call the main-wrapper for each one. The wrapper
  # target will execute with a single configuration loaded.
  $(all_phony_targets):
	@$(if $(TARGET_RUN),,\
          $(foreach spec,$(SPEC),\
            (cd $(root_dir) && $(MAKE) SPEC=$(spec) MAIN_TARGETS="$(call GetRealTarget)" \
	    $(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) main-wrapper) &&) true)
	@echo > /dev/null
	$(eval TARGET_RUN=true)

  .PHONY: $(all_phony_targets)

  ifneq ($(MAIN_TARGETS), )
    # The wrapper target was called so we now have a single configuration. Load the spec file
    # and call the real Main.gmk.
    include $(SPEC)
    include $(SRC_ROOT)/make/common/MakeBase.gmk

    ### Clean up from previous run
    # Remove any build.log from a previous run, if they exist
    ifneq (,$(BUILD_LOG))
      ifneq (,$(BUILD_LOG_PREVIOUS))
        # Rotate old log
        $(shell $(RM) $(BUILD_LOG_PREVIOUS) 2> /dev/null)
        $(shell $(MV) $(BUILD_LOG) $(BUILD_LOG_PREVIOUS) 2> /dev/null)
      else
        $(shell $(RM) $(BUILD_LOG) 2> /dev/null)
      endif
      $(shell $(RM) $(OUTPUT_ROOT)/build-trace-time.log 2> /dev/null)
    endif
    # Remove any javac server logs and port files. This
    # prevents a new make run to reuse the previous servers.
    ifneq (,$(SJAVAC_SERVER_DIR))
      $(shell $(MKDIR) -p $(SJAVAC_SERVER_DIR) && $(RM) -rf $(SJAVAC_SERVER_DIR)/*)
    endif

    # Split out the targets requiring sequential execution. Run these targets separately
    # from the rest so that the rest may still enjoy full parallel execution.
    SEQUENTIAL_TARGETS := $(filter dist-clean clean% reconfigure, $(MAIN_TARGETS))
    PARALLEL_TARGETS := $(filter-out $(SEQUENTIAL_TARGETS), $(MAIN_TARGETS))

    main-wrapper:
        ifneq ($(SEQUENTIAL_TARGETS), )
	  (cd $(SRC_ROOT)/make && $(MAKE) -f Main.gmk SPEC=$(SPEC) -j 1 \
	      $(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) $(SEQUENTIAL_TARGETS))
        endif
        ifneq ($(PARALLEL_TARGETS), )
	  @$(call AtMakeStart)
	  (cd $(SRC_ROOT)/make && $(BUILD_LOG_WRAPPER) $(MAKE) -f Main.gmk SPEC=$(SPEC) -j $(JOBS) \
	      $(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) $(PARALLEL_TARGETS) \
	      $(if $(filter true, $(OUTPUT_SYNC_SUPPORTED)), -O$(OUTPUT_SYNC)))
	  @$(call AtMakeEnd)
        endif

     .PHONY: main-wrapper

   endif
endif

# Here are "global" targets, i.e. targets that can be executed without specifying a single configuration.
# If you add more global targets, please update the variable global_targets in MakeHelpers.

help:
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.PHONY: help