openjdk-lts/make/Init.gmk

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#
# Copyright (c) 2012, 2019, 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.
#
################################################################################
# This is the bootstrapping part of the build. This file is included from the
# top level Makefile, and is responsible for launching the Main.gmk file with
# the proper make and the proper make arguments.
################################################################################
# This must be the first rule
default:
.PHONY: default
# Inclusion of this pseudo-target will cause make to execute this file
# serially, regardless of -j.
.NOTPARALLEL:
ifeq ($(HAS_SPEC),)
##############################################################################
# This is the default mode. We have not been recursively called with a SPEC.
##############################################################################
# Include our helper functions.
include $(topdir)/make/InitSupport.gmk
# Here are "global" targets, i.e. targets that can be executed without having
# a configuration. This will define ALL_GLOBAL_TARGETS.
include $(topdir)/make/Help.gmk
# Targets provided by Init.gmk.
ALL_INIT_TARGETS := print-modules print-targets print-configuration \
print-tests reconfigure pre-compare-build post-compare-build
# CALLED_TARGETS is the list of targets that the user provided,
# or "default" if unspecified.
CALLED_TARGETS := $(if $(MAKECMDGOALS), $(MAKECMDGOALS), default)
# Extract non-global targets that require a spec file.
CALLED_SPEC_TARGETS := $(filter-out $(ALL_GLOBAL_TARGETS), $(CALLED_TARGETS))
# If we have only global targets, or if we are called with -qp (assuming an
# external part, e.g. bash completion, is trying to understand our targets),
# we will skip SPEC location and the sanity checks.
ifeq ($(CALLED_SPEC_TARGETS), )
ONLY_GLOBAL_TARGETS := true
endif
ifeq ($(findstring p, $(MAKEFLAGS))$(findstring q, $(MAKEFLAGS)), pq)
ONLY_GLOBAL_TARGETS := true
endif
ifeq ($(ONLY_GLOBAL_TARGETS), true)
############################################################################
# We have only global targets, or are called with -pq.
############################################################################
ifeq ($(wildcard $(SPEC)), )
# If we have no SPEC provided, we will just make a "best effort" target list.
# First try to grab any available pre-existing main-targets.gmk.
main_targets_file := $(firstword $(wildcard $(build_dir)/*/make-support/main-targets.gmk))
ifneq ($(main_targets_file), )
# Extract the SPEC that corresponds to this main-targets.gmk file.
SPEC := $(patsubst %/make-support/main-targets.gmk, %/spec.gmk, $(main_targets_file))
else
# None found, pick an arbitrary SPEC for which to generate a file
SPEC := $(firstword $(all_spec_files))
endif
endif
ifneq ($(wildcard $(SPEC)), )
$(eval $(call DefineMainTargets, LAZY, $(SPEC)))
else
# If we have no configurations we can not provide any main targets.
ALL_MAIN_TARGETS :=
endif
ALL_TARGETS := $(sort $(ALL_GLOBAL_TARGETS) $(ALL_MAIN_TARGETS) $(ALL_INIT_TARGETS))
# Just list all our targets.
$(ALL_TARGETS):
.PHONY: $(ALL_TARGETS)
else
############################################################################
# This is the normal case, we have been called from the command line by the
# user and we need to call ourself back with a proper SPEC.
# We have at least one non-global target, so we need to find a spec file.
############################################################################
# Basic checks on environment and command line.
$(eval $(call CheckControlVariables))
$(eval $(call CheckDeprecatedEnvironment))
$(eval $(call CheckInvalidMakeFlags))
# Check that CONF_CHECK is valid.
$(eval $(call ParseConfCheckOption))
# Check that the LOG given is valid, and set LOG_LEVEL, LOG_NOFILE, MAKE_LOG_VARS and MAKE_LOG_FLAGS.
$(eval $(call ParseLogLevel))
# After this SPECS contain 1..N spec files (otherwise ParseConfAndSpec fails).
$(eval $(call ParseConfAndSpec))
# Extract main targets from Main.gmk using the spec(s) provided. In theory,
# with multiple specs, we should find the intersection of targets provided
# by all specs, but we approximate this by an arbitrary spec from the list.
# This will setup ALL_MAIN_TARGETS.
$(eval $(call DefineMainTargets, FORCE, $(firstword $(SPECS))))
# Separate called targets depending on type.
INIT_TARGETS := $(filter $(ALL_INIT_TARGETS), $(CALLED_SPEC_TARGETS))
MAIN_TARGETS := $(filter $(ALL_MAIN_TARGETS), $(CALLED_SPEC_TARGETS))
SEQUENTIAL_TARGETS := $(filter dist-clean clean%, $(MAIN_TARGETS))
PARALLEL_TARGETS := $(filter-out $(SEQUENTIAL_TARGETS), $(MAIN_TARGETS))
# The spec files depend on the autoconf source code. This check makes sure
# the configuration is up to date after changes to configure.
$(SPECS): $(wildcard $(topdir)/make/autoconf/*) \
$(if $(CUSTOM_CONFIG_DIR), $(wildcard $(CUSTOM_CONFIG_DIR)/*))
ifeq ($(CONF_CHECK), fail)
@echo Error: The configuration is not up to date for \
"'$(lastword $(subst /, , $(dir $@)))'."
$(call PrintConfCheckFailed)
@exit 2
else ifeq ($(CONF_CHECK), auto)
@echo Note: The configuration is not up to date for \
"'$(lastword $(subst /, , $(dir $@)))'."
@( cd $(topdir) && \
$(MAKE) $(MFLAGS) $(MAKE_LOG_FLAGS) -r -R -f $(topdir)/make/Init.gmk \
SPEC=$@ HAS_SPEC=true ACTUAL_TOPDIR=$(topdir) \
reconfigure )
else ifeq ($(CONF_CHECK), ignore)
# Do nothing
endif
# Do not let make delete spec files even if aborted while doing a reconfigure
.PRECIOUS: $(SPECS)
# Unless reconfigure is explicitly called, let all main targets depend on
# the spec files to be up to date.
ifeq ($(findstring reconfigure, $(INIT_TARGETS)), )
$(MAIN_TARGETS): $(SPECS)
endif
make-info:
ifneq ($(findstring $(LOG_LEVEL),info debug trace),)
$(info Running make as '$(strip $(MAKE) $(MFLAGS) \
$(COMMAND_LINE_VARIABLES) $(MAKECMDGOALS))')
endif
MAKE_INIT_WITH_SPEC_ARGUMENTS := ACTUAL_TOPDIR=$(topdir) \
USER_MAKE_VARS="$(USER_MAKE_VARS)" MAKE_LOG_FLAGS=$(MAKE_LOG_FLAGS) \
$(MAKE_LOG_VARS) \
INIT_TARGETS="$(INIT_TARGETS)" \
SEQUENTIAL_TARGETS="$(SEQUENTIAL_TARGETS)" \
PARALLEL_TARGETS="$(PARALLEL_TARGETS)"
# Now the init and main targets will be called, once for each SPEC. The
# recipe will be run once for every target specified, but we only want to
# execute the recipe a single time, hence the TARGET_DONE with a dummy
# command if true.
# The COMPARE_BUILD part implements special support for makefile development.
$(ALL_INIT_TARGETS) $(ALL_MAIN_TARGETS): make-info
@$(if $(TARGET_DONE), \
true \
, \
( cd $(topdir) && \
$(foreach spec, $(SPECS), \
$(MAKE) $(MFLAGS) $(MAKE_LOG_FLAGS) -r -R -j 1 -f $(topdir)/make/Init.gmk \
SPEC=$(spec) HAS_SPEC=true $(MAKE_INIT_WITH_SPEC_ARGUMENTS) \
main && \
$(if $(and $(COMPARE_BUILD), $(PARALLEL_TARGETS)), \
$(MAKE) $(MFLAGS) $(MAKE_LOG_FLAGS) -r -R -f $(topdir)/make/Init.gmk \
SPEC=$(spec) HAS_SPEC=true ACTUAL_TOPDIR=$(topdir) \
COMPARE_BUILD="$(COMPARE_BUILD)" pre-compare-build && \
$(MAKE) $(MFLAGS) $(MAKE_LOG_FLAGS) -r -R -j 1 -f $(topdir)/make/Init.gmk \
SPEC=$(spec) HAS_SPEC=true $(MAKE_INIT_WITH_SPEC_ARGUMENTS) \
COMPARE_BUILD="$(COMPARE_BUILD)" main && \
$(MAKE) $(MFLAGS) $(MAKE_LOG_FLAGS) -r -R -f $(topdir)/make/Init.gmk \
SPEC=$(spec) HAS_SPEC=true ACTUAL_TOPDIR=$(topdir) \
COMPARE_BUILD="$(COMPARE_BUILD)" post-compare-build && \
) \
) true ) \
$(eval TARGET_DONE=true) \
)
.PHONY: $(ALL_MAIN_TARGETS) $(ALL_INIT_TARGETS)
endif # $(ONLY_GLOBAL_TARGETS)!=true
else # HAS_SPEC=true
##############################################################################
# Now we have a spec. This part provides the "main" target that acts as a
# trampoline to call the Main.gmk with the value of $(MAKE) found in the spec
# file.
##############################################################################
include $(SPEC)
# Our helper functions.
include $(TOPDIR)/make/InitSupport.gmk
# Parse COMPARE_BUILD (for makefile development)
$(eval $(call ParseCompareBuild))
# Setup reproducible build environment
$(eval $(call SetupReproducibleBuild))
# If no LOG= was given on command line, but we have a non-standard default
# value, use that instead and re-parse log level.
ifeq ($(LOG), )
ifneq ($(DEFAULT_LOG), )
override LOG := $(DEFAULT_LOG)
$(eval $(call ParseLogLevel))
endif
endif
ifeq ($(LOG_NOFILE), true)
# Disable build log if LOG=[level,]nofile was given
override BUILD_LOG_PIPE :=
endif
ifeq ($(OUTPUT_SYNC_SUPPORTED), true)
OUTPUT_SYNC_FLAG := -O$(OUTPUT_SYNC)
endif
##############################################################################
# Init targets
##############################################################################
print-modules:
( cd $(TOPDIR) && \
$(MAKE) $(MAKE_ARGS) -j 1 -f make/Main.gmk $(USER_MAKE_VARS) \
NO_RECIPES=true print-modules )
print-targets:
( cd $(TOPDIR) && \
$(MAKE) $(MAKE_ARGS) -j 1 -f make/Main.gmk $(USER_MAKE_VARS) \
NO_RECIPES=true print-targets )
print-tests:
( cd $(TOPDIR) && \
$(MAKE) $(MAKE_ARGS) -j 1 -f make/Main.gmk $(USER_MAKE_VARS) \
NO_RECIPES=true print-tests )
print-configuration:
$(ECHO) $(CONFIGURE_COMMAND_LINE)
reconfigure:
ifneq ($(CONFIGURE_COMMAND_LINE), )
$(ECHO) "Re-running configure using arguments '$(CONFIGURE_COMMAND_LINE)'"
else
$(ECHO) "Re-running configure using default settings"
endif
( cd $(CONFIGURE_START_DIR) && PATH="$(ORIGINAL_PATH)" AUTOCONF="$(AUTOCONF)" \
CUSTOM_ROOT="$(CUSTOM_ROOT)" \
CUSTOM_CONFIG_DIR="$(CUSTOM_CONFIG_DIR)" \
$(BASH) $(TOPDIR)/configure $(CONFIGURE_COMMAND_LINE) )
##############################################################################
# The main target, for delegating into Main.gmk
##############################################################################
MAIN_TARGETS := $(SEQUENTIAL_TARGETS) $(PARALLEL_TARGETS) $(COMPARE_BUILD_MAKE)
# If building the default target, add what they are to the description.
DESCRIPTION_TARGETS := $(strip $(MAIN_TARGETS))
ifeq ($(DESCRIPTION_TARGETS), default)
DESCRIPTION_TARGETS += ($(DEFAULT_MAKE_TARGET))
endif
TARGET_DESCRIPTION := target$(if $(word 2, $(MAIN_TARGETS)),s) \
'$(strip $(DESCRIPTION_TARGETS))' in configuration '$(CONF_NAME)'
# MAKEOVERRIDES is automatically set and propagated by Make to sub-Make calls.
# We need to clear it of the init-specific variables. The user-specified
# variables are explicitly propagated using $(USER_MAKE_VARS).
main: MAKEOVERRIDES :=
main: $(INIT_TARGETS)
ifneq ($(SEQUENTIAL_TARGETS)$(PARALLEL_TARGETS), )
$(call RotateLogFiles)
$(PRINTF) "Building $(TARGET_DESCRIPTION)\n" $(BUILD_LOG_PIPE)
ifneq ($(SEQUENTIAL_TARGETS), )
# Don't touch build output dir since we might be cleaning. That
# means no log pipe.
( cd $(TOPDIR) && \
$(MAKE) $(MAKE_ARGS) -j 1 -f make/Main.gmk $(USER_MAKE_VARS) \
$(SEQUENTIAL_TARGETS) )
endif
ifneq ($(PARALLEL_TARGETS), )
$(call PrepareFailureLogs)
$(call StartGlobalTimer)
$(call PrepareSmartJavac)
# JOBS will only be empty for a bootcycle-images recursive call
# or if specified via a make argument directly. In those cases
# treat it as NOT using jobs at all.
( cd $(TOPDIR) && \
$(NICE) $(MAKE) $(MAKE_ARGS) $(OUTPUT_SYNC_FLAG) \
$(if $(JOBS), -j $(JOBS)) \
-f make/Main.gmk $(USER_MAKE_VARS) \
$(PARALLEL_TARGETS) $(COMPARE_BUILD_MAKE) $(BUILD_LOG_PIPE) || \
( exitcode=$$? && \
$(PRINTF) "\nERROR: Build failed for $(TARGET_DESCRIPTION) (exit code $$exitcode) \n" \
$(BUILD_LOG_PIPE) && \
cd $(TOPDIR) && $(MAKE) $(MAKE_ARGS) -j 1 -f make/Init.gmk \
HAS_SPEC=true on-failure ; \
exit $$exitcode ) )
$(call CleanupSmartJavac)
$(call StopGlobalTimer)
$(call ReportBuildTimes)
endif
if test -f $(MAKESUPPORT_OUTPUTDIR)/exit-with-error ; then \
exit 1 ; \
fi
$(PRINTF) "Finished building $(TARGET_DESCRIPTION)\n" $(BUILD_LOG_PIPE)
$(call ReportProfileTimes)
endif
on-failure:
$(call CleanupSmartJavac)
$(call StopGlobalTimer)
$(call ReportBuildTimes)
$(call PrintFailureReports)
$(call PrintBuildLogFailures)
$(call ReportProfileTimes)
$(PRINTF) "Hint: See doc/building.html#troubleshooting for assistance.\n\n"
ifneq ($(COMPARE_BUILD), )
$(call CleanupCompareBuild)
endif
# Support targets for COMPARE_BUILD, used for makefile development
pre-compare-build:
$(call WaitForSmartJavacFinish)
$(call PrepareCompareBuild)
post-compare-build:
$(call WaitForSmartJavacFinish)
$(call CleanupCompareBuild)
$(call CompareBuildDoComparison)
.PHONY: print-targets print-modules reconfigure main on-failure
endif