Makefile
author bpb
Wed, 15 Jan 2014 10:40:22 -0800
changeset 22283 ae235c2bbac9
parent 22031 ae288cbb4c28
child 25854 98ce0879ab4c
permissions -rw-r--r--
8030814: Long.parseUnsignedLong should throw exception on too large input Summary: Change test for overflow of unsigned long Reviewed-by: darcy, psandoz Contributed-by: Dmitry Nadezhin <dmitry.nadezhin@oracle.com>

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# This must be the first rule
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 $(MAKEFILE_LIST))
endif
root_dir:=$(dir $(makefile_path))

# ... 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 ($(SPEC),)
  # Since we got past ParseConfAndSpec, we must be building a global target. Do nothing.
else
  ifeq ($(words $(SPEC)),1)
    # We are building a single configuration. This is the normal case. Execute the Main.gmk file.
    include $(root_dir)/make/Main.gmk
  else
    # We are building multiple configurations.
    # First, find out the valid targets
    # Run the makefile with an arbitrary SPEC using -p -q (quiet dry-run and dump rules) to find
    # available PHONY targets. Use this list as valid targets to pass on to the repeated calls.
    all_phony_targets=$(filter-out $(global_targets), $(strip $(shell \
        cd $(root_dir) && $(MAKE) -p -q FRC SPEC=$(firstword $(SPEC)) | \
        grep ^.PHONY: | head -n 1 | cut -d " " -f 2-)))

    $(all_phony_targets):
	@$(foreach spec,$(SPEC),(cd $(root_dir) && $(MAKE) SPEC=$(spec) \
	    $(VERBOSE) VERBOSE=$(VERBOSE) LOG_LEVEL=$(LOG_LEVEL) $@) &&) true

    .PHONY: $(all_phony_targets)

  endif
endif

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

help:
	$(info )
	$(info OpenJDK Makefile help)
	$(info =====================)
	$(info )
	$(info Common make targets)
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	$(info .                         # corba and jdk)
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	$(info .                         # <substring>)
	$(info )
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	$(info .                         # Available log levels are:)
	$(info .                         # 'warn' (default), 'info', 'debug' and 'trace')
	$(info .                         # To see executed command lines, use LOG=debug)
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	$(info .                         # Note that -jN does not work as expected!)
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	$(info .                         # make test TEST="jdk_lang jdk_net")
	$(info )

.PHONY: help