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520 lines
21 KiB
Plaintext
520 lines
21 KiB
Plaintext
#
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# Copyright (c) 2011, 2019, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation. Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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################################################################
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#
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# Setup common utility functions.
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#
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################################################################
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ifndef _MAKEBASE_GMK
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_MAKEBASE_GMK := 1
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ifeq ($(wildcard $(SPEC)),)
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$(error MakeBase.gmk needs SPEC set to a proper spec.gmk)
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endif
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# By defining this pseudo target, make will automatically remove targets
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# if their recipe fails so that a rebuild is automatically triggered on the
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# next make invocation.
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.DELETE_ON_ERROR:
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################################################################################
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# Definitions for special characters
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################################################################################
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# When calling macros, the spaces between arguments are
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# often semantically important! Sometimes we need to subst
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# spaces and commas, therefore we need the following macros.
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X:=
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SPACE:=$(X) $(X)
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COMMA:=,
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DOLLAR:=$$
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HASH:=\#
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LEFT_PAREN:=(
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RIGHT_PAREN:=)
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SQUOTE:='
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#'
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DQUOTE:="
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#"
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define NEWLINE
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endef
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# In GNU Make 4.0 and higher, there is a file function for writing to files.
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ifeq (4.0, $(firstword $(sort 4.0 $(MAKE_VERSION))))
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HAS_FILE_FUNCTION := true
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CORRECT_FUNCTION_IN_RECIPE_EVALUATION := true
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endif
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# For convenience, MakeBase.gmk continues to include these separate files, at
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# least for now.
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include $(TOPDIR)/make/common/Utils.gmk
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include $(TOPDIR)/make/common/MakeIO.gmk
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include $(TOPDIR)/make/common/CopyFiles.gmk
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################################################################################
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# Functions for timers
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################################################################################
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# Store the build times in this directory.
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BUILDTIMESDIR=$(OUTPUTDIR)/make-support/build-times
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# Record starting time for build of a sub repository.
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define RecordStartTime
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$(DATE) '+%Y %m %d %H %M %S' | $(NAWK) '{ print $$1,$$2,$$3,$$4,$$5,$$6,($$4*3600+$$5*60+$$6) }' > $(BUILDTIMESDIR)/build_time_start_$(strip $1) && \
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$(DATE) '+%Y-%m-%d %H:%M:%S' > $(BUILDTIMESDIR)/build_time_start_$(strip $1)_human_readable
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endef
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# Record ending time and calculate the difference and store it in a
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# easy to read format. Handles builds that cross midnight. Expects
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# that a build will never take 24 hours or more.
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define RecordEndTime
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$(DATE) '+%Y %m %d %H %M %S' | $(NAWK) '{ print $$1,$$2,$$3,$$4,$$5,$$6,($$4*3600+$$5*60+$$6) }' > $(BUILDTIMESDIR)/build_time_end_$(strip $1)
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$(DATE) '+%Y-%m-%d %H:%M:%S' > $(BUILDTIMESDIR)/build_time_end_$(strip $1)_human_readable
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$(ECHO) `$(CAT) $(BUILDTIMESDIR)/build_time_start_$(strip $1)` `$(CAT) $(BUILDTIMESDIR)/build_time_end_$(strip $1)` $1 | \
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$(NAWK) '{ F=$$7; T=$$14; if (F > T) { T+=3600*24 }; D=T-F; H=int(D/3600); \
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M=int((D-H*3600)/60); S=D-H*3600-M*60; printf("%02d:%02d:%02d %s\n",H,M,S,$$15); }' \
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> $(BUILDTIMESDIR)/build_time_diff_$(strip $1)
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endef
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# Hook to be called when starting to execute a top-level target
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define TargetEnter
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$(PRINTF) "## Starting $(patsubst %-only,%,$@)\n"
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$(call RecordStartTime,$(patsubst %-only,%,$@))
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endef
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# Hook to be called when finish executing a top-level target
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define TargetExit
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$(call RecordEndTime,$(patsubst %-only,%,$@))
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$(PRINTF) "## Finished $(patsubst %-only,%,$@) (build time %s)\n\n" \
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"`$(CAT) $(BUILDTIMESDIR)/build_time_diff_$(patsubst %-only,%,$@) | $(CUT) -f 1 -d ' '`"
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endef
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################################################################################
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# A file containing a way to uniquely identify the source code revision that
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# the build was created from
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SOURCE_REVISION_TRACKER := $(SUPPORT_OUTPUTDIR)/src-rev/source-revision-tracker
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# Locate all hg repositories included in the forest, as absolute paths
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FindAllReposAbs = \
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$(strip $(sort $(dir $(filter-out $(TOPDIR)/build/%, $(wildcard \
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$(addprefix $(TOPDIR)/, .hg */.hg */*/.hg */*/*/.hg */*/*/*/.hg) \
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$(addprefix $(TOPDIR)/, .git */.git */*/.git */*/*/.git */*/*/*/.git) \
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)))))
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# Locate all hg repositories included in the forest, as relative paths
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FindAllReposRel = \
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$(strip $(subst $(TOPDIR)/,.,$(patsubst $(TOPDIR)/%/, %, $(FindAllReposAbs))))
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################################################################################
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define SetupLogging
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ifeq ($$(LOG_PROFILE_TIMES_FILE), true)
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ifeq ($$(IS_GNU_TIME), yes)
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SHELL := $$(BASH) $$(TOPDIR)/make/scripts/shell-profiler.sh \
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gnutime $$(TIME) \
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$$(OUTPUTDIR)/build-profile.log $$(SHELL)
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else ifneq ($$(FLOCK), )
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SHELL := $$(BASH) $$(TOPDIR)/make/scripts/shell-profiler.sh \
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flock $$(FLOCK) \
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$$(OUTPUTDIR)/build-profile.log $$(SHELL)
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endif
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endif
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ifeq ($$(LOG_LEVEL), trace)
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SHELL_NO_RECURSE := $$(SHELL)
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# Shell redefinition trick inspired by http://www.cmcrossroads.com/ask-mr-make/6535-tracing-rule-execution-in-gnu-make
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# For each target executed, will print
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# Building <TARGET> (from <FIRST PREREQUISITE>) (<ALL NEWER PREREQUISITES> newer)
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# but with a limit of 20 on <ALL NEWER PREREQUISITES>, to avoid cluttering logs too much
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# (and causing a crash on Cygwin).
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SHELL = $$(warning $$(if $$@,Building $$@,Running shell command) $$(if $$<, (from $$<))$$(if $$?, ($$(wordlist 1, 20, $$?) $$(if $$(wordlist 21, 22, $$?), ... [in total $$(words $$?) files]) newer)))$$(SHELL_NO_RECURSE) -x
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endif
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# The warn level can never be turned off
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LogWarn = $$(info $$(strip $$1))
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LOG_WARN :=
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ifneq ($$(findstring $$(LOG_LEVEL), info debug trace),)
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LogInfo = $$(info $$(strip $$1))
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LOG_INFO :=
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else
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LogInfo =
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LOG_INFO := > /dev/null
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endif
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ifneq ($$(findstring $$(LOG_LEVEL), debug trace),)
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LogDebug = $$(info $$(strip $$1))
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LOG_DEBUG :=
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else
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LogDebug =
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LOG_DEBUG := > /dev/null
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endif
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ifneq ($$(findstring $$(LOG_LEVEL), trace),)
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LogTrace = $$(info $$(strip $$1))
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LOG_TRACE :=
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else
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LogTrace =
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LOG_TRACE := > /dev/null
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endif
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endef
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# Make sure logging is setup for everyone that includes MakeBase.gmk.
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$(eval $(call SetupLogging))
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################################################################################
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MAX_PARAMS := 36
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PARAM_SEQUENCE := $(call sequence, 2, $(MAX_PARAMS))
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# Template for creating a macro taking named parameters. To use it, assign the
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# template to a variable with the name you want for your macro, using '='
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# assignment. Then define a macro body with the suffix "Body". The Body macro
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# should take 1 parameter which should be a unique string for that invocation
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# of the macro.
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# Ex:
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# SetupFoo = $(NamedParamsMacroTemplate)
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# define SetupFooBody
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# # do something
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# # access parameters as $$($1_BAR)
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# endef
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# Call it like this
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# $(eval $(call SetupFoo, BUILD_SOMETHING, \
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# BAR := some parameter value, \
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# ))
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define NamedParamsMacroTemplate
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$(if $($(MAX_PARAMS)),$(error Internal makefile error: \
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Too many named arguments to macro, please update MAX_PARAMS in MakeBase.gmk))
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# Iterate over 2 3 4... and evaluate the named parameters with $1_ as prefix
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$(foreach i,$(PARAM_SEQUENCE), $(if $(strip $($i)),\
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$(strip $1)_$(strip $(call EscapeHash, $(call DoubleDollar, $($i))))$(NEWLINE)))
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# Debug print all named parameter names and values
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$(if $(findstring $(LOG_LEVEL),debug trace), \
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$(info $0 $(strip $1) $(foreach i,$(PARAM_SEQUENCE), \
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$(if $(strip $($i)),$(NEWLINE) $(strip [$i] $(if $(filter $(LOG_LEVEL), trace), \
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$($i), $(wordlist 1, 20, $($(i))) $(if $(word 21, $($(i))), ...)))))))
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$(if $(DEBUG_$(strip $1)),
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$(info -------- <<< Begin expansion of $(strip $1)) \
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$(info $(call $(0)Body,$(strip $1))) \
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$(info -------- >>> End expansion of $(strip $1)) \
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)
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$(call $(0)Body,$(strip $1))
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endef
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################################################################################
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# Make directory without forking mkdir if not needed.
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#
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# If a directory with an encoded space is provided, the wildcard function
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# sometimes returns false answers (typically if the dir existed when the
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# makefile was parsed, but was deleted by a previous rule). In that case, always
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# call mkdir regardless of what wildcard says.
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#
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# 1: List of directories to create
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MakeDir = \
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$(strip \
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$(eval MakeDir_dirs_to_make := $(strip $(foreach d, $1, \
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$(if $(findstring ?, $d), '$(call DecodeSpace, $d)', \
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$(if $(wildcard $d), , $d) \
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) \
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))) \
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$(if $(MakeDir_dirs_to_make), $(shell $(MKDIR) -p $(MakeDir_dirs_to_make))) \
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)
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# Make directory for target file. Should handle spaces in filenames. Just
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# calling $(call MakeDir $(@D)) will not work if the directory contains a space
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# and the target file already exists. In that case, the target file will have
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# its wildcard ? resolved and the $(@D) will evaluate each space separated dir
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# part on its own.
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MakeTargetDir = \
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$(call MakeDir, $(dir $(call EncodeSpace, $@)))
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################################################################################
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# All install-file and related macros automatically call DecodeSpace when needed.
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ifeq ($(call isTargetOs, solaris), true)
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# On Solaris, if the target is a symlink and exists, cp won't overwrite.
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# Cp has to operate in recursive mode to allow for -P flag, to preserve soft links. If the
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# name of the target file differs from the source file, rename after copy.
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# If the source and target parent directories are the same, recursive copy doesn't work
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# so we fall back on regular copy, which isn't preserving symlinks.
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define install-file
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$(call MakeTargetDir)
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$(RM) '$(call DecodeSpace, $@)'
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if [ '$(call DecodeSpace, $(dir $(call EncodeSpace, $@)))' != \
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'$(call DecodeSpace, $(dir $(call EncodeSpace, $<)))' ]; then \
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$(CP) -f -r -P '$(call DecodeSpace, $<)' \
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'$(call DecodeSpace, $(dir $(call EncodeSpace, $@)))'; \
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if [ '$(call DecodeSpace, $(notdir $(call EncodeSpace, $@)))' != \
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'$(call DecodeSpace, $(notdir $(call EncodeSpace, $(<))))' ]; then \
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$(MV) '$(call DecodeSpace, $(dir $(call EncodeSpace, $@))/$(notdir $(call EncodeSpace, $<)))' \
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'$(call DecodeSpace, $@)'; \
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fi; \
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else \
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if [ -L '$(call DecodeSpace, $<)' ]; then \
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$(ECHO) "Source file is a symlink and target is in the same directory: $< $@" ; \
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exit 1; \
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fi; \
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$(CP) -f '$(call DecodeSpace, $<)' '$(call DecodeSpace, $@)'; \
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fi
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endef
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else ifeq ($(call isTargetOs, macosx), true)
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# On mac, extended attributes sometimes creep into the source files, which may later
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# cause the creation of ._* files which confuses testing. Clear these with xattr if
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# set. Some files get their write permissions removed after being copied to the
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# output dir. When these are copied again to images, xattr would fail. By only clearing
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# attributes when they are present, failing on this is avoided.
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#
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# If copying a soft link to a directory, need to delete the target first to avoid
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# weird errors.
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define install-file
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$(call MakeTargetDir)
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$(RM) '$(call DecodeSpace, $@)'
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# Work around a weirdness with cp on Macosx. When copying a symlink, if
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# the target of the link is write protected (e.g. 444), cp will add
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# write permission for the user on the target file (644). Avoid this by
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# using ln to create a new link instead.
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if [ -h '$(call DecodeSpace, $<)' ]; then \
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$(LN) -s "`$(READLINK) '$(call DecodeSpace, $<)'`" '$(call DecodeSpace, $@)'; \
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else \
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$(CP) -fRP '$(call DecodeSpace, $<)' '$(call DecodeSpace, $@)'; \
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fi
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if [ -n "`$(XATTR) -ls '$(call DecodeSpace, $@)'`" ]; then \
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$(XATTR) -cs '$(call DecodeSpace, $@)'; \
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fi
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endef
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else
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define install-file
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$(call MakeTargetDir)
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$(CP) -fP '$(call DecodeSpace, $<)' '$(call DecodeSpace, $@)'
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endef
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endif
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# Variant of install file that does not preserve symlinks
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define install-file-nolink
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$(call MakeTargetDir)
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$(CP) -f '$(call DecodeSpace, $<)' '$(call DecodeSpace, $@)'
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endef
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################################################################################
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# link-file-* works similarly to install-file but creates a symlink instead.
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# There are two versions, either creating a relative or an absolute link. Be
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# careful when using this on Windows since the symlink created is only valid in
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# the unix emulation environment.
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define link-file-relative
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$(call MakeTargetDir)
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$(RM) '$(call DecodeSpace, $@)'
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$(LN) -s '$(call DecodeSpace, $(call RelativePath, $<, $(@D)))' '$(call DecodeSpace, $@)'
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endef
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define link-file-absolute
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$(call MakeTargetDir)
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$(RM) '$(call DecodeSpace, $@)'
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$(LN) -s '$(call DecodeSpace, $<)' '$(call DecodeSpace, $@)'
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endef
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################################################################################
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ifneq ($(DISABLE_CACHE_FIND), true)
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# In Cygwin, finds are very costly, both because of expensive forks and because
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# of bad file system caching. Find is used extensively in $(shell) commands to
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# find source files. This makes rerunning make with no or few changes rather
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# expensive. To speed this up, these two macros are used to cache the results
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# of simple find commands for reuse.
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#
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# Runs a find and stores both the directories where it was run and the results.
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# This macro can be called multiple times to add to the cache. Only finds files
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# with no filters.
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#
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# Files containing space will get spaces replaced with ? because GNU Make
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# cannot handle lists of files with space in them. By using ?, make will match
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# the wildcard to space in many situations so we don't need to replace back
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# to space on every use. While not a complete solution it does allow some uses
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# of CacheFind to function with spaces in file names, including for
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# SetupCopyFiles.
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#
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# Needs to be called with $(eval )
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#
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# Even if the performance benifit is negligible on other platforms, keep the
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# functionality active unless explicitly disabled to exercise it more.
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#
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# Initialize FIND_CACHE_DIRS with := to make it a non recursively-expanded variable
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FIND_CACHE_DIRS :=
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# Param 1 - Dirs to find in
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# Param 2 - (optional) specialization. Normally "-a \( ... \)" expression.
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define FillCacheFind
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# Filter out already cached dirs. The - is needed when FIND_CACHE_DIRS is empty
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# since filter out will then return empty.
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FIND_CACHE_NEW_DIRS := $$(filter-out $$(addsuffix /%,\
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- $(FIND_CACHE_DIRS)) $(FIND_CACHE_DIRS), $1)
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ifneq ($$(FIND_CACHE_NEW_DIRS), )
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# Remove any trailing slash from dirs in the cache dir list
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FIND_CACHE_DIRS += $$(patsubst %/,%, $$(FIND_CACHE_NEW_DIRS))
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FIND_CACHE := $$(sort $$(FIND_CACHE) \
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$$(shell $(FIND) $$(wildcard $$(FIND_CACHE_NEW_DIRS)) \
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\( -type f -o -type l \) $2 | $(TR) ' ' '?'))
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endif
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endef
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# Mimics find by looking in the cache if all of the directories have been cached.
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# Otherwise reverts to shell find. This is safe to call on all platforms, even if
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# cache is deactivated.
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#
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# $1 can be either a directory or a file. If it's a directory, make
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# sure we have exactly one trailing slash before the wildcard.
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# The extra - is needed when FIND_CACHE_DIRS is empty but should be harmless.
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#
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# Param 1 - Dirs to find in
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# Param 2 - (optional) specialization. Normally "-a \( ... \)" expression.
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define CacheFind
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$(if $(filter-out $(addsuffix /%,- $(FIND_CACHE_DIRS)) $(FIND_CACHE_DIRS),$1), \
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$(if $(wildcard $1), $(shell $(FIND) $(wildcard $1) \( -type f -o -type l \) $2 \
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| $(TR) ' ' '?')), \
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$(filter $(addsuffix /%,$(patsubst %/,%,$1)) $1,$(FIND_CACHE)))
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endef
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else
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# If CacheFind is disabled, just run the find command.
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# Param 1 - Dirs to find in
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# Param 2 - (optional) specialization. Normally "-a \( ... \)" expression.
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define CacheFind
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$(if $(wildcard $1, \
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$(shell $(FIND) $(wildcard $1) \( -type f -o -type l \) $2 | $(TR) ' ' '?') \
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)
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endef
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endif
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################################################################################
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# FixPath
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#
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# On Windows, converts a path from cygwin/unix style (e.g. /bin/foo) into
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# "mixed mode" (e.g. c:/cygwin/bin/foo). On other platforms, return the path
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# unchanged.
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# This is normally not needed since we use the FIXPATH prefix for command lines,
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# but might be needed in certain circumstances.
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ifeq ($(call isTargetOs, windows), true)
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FixPath = \
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$(shell $(CYGPATH) -m $1)
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else
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FixPath = \
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$1
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endif
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################################################################################
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# DependOnVariable
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#
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# This macro takes a variable name and puts the value in a file only if the
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# value has changed since last. The name of the file is returned. This can be
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# used to create rule dependencies on make variable values. The following
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# example would get rebuilt if the value of SOME_VAR was changed:
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#
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# path/to/some-file: $(call DependOnVariable, SOME_VAR)
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# echo $(SOME_VAR) > $@
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#
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# Note that leading and trailing white space in the value is ignored.
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#
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# Defines the sub directory structure to store variable value file in
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DependOnVariableDirName = \
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$(strip $(addsuffix $(if $(MODULE),/$(MODULE)), \
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$(subst $(TOPDIR)/,, $(if $(filter /%, $(firstword $(MAKEFILE_LIST))), \
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$(firstword $(MAKEFILE_LIST)), \
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$(CURDIR)/$(firstword $(MAKEFILE_LIST))))))
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|
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# Defines the name of the file to store variable value in. Generates a name
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|
# unless parameter 2 is given.
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|
# Param 1 - Name of variable
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|
# Param 2 - (optional) name of file to store value in
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|
DependOnVariableFileName = \
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|
$(strip $(if $(strip $2), $2, \
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$(MAKESUPPORT_OUTPUTDIR)/vardeps/$(DependOnVariableDirName)/$(strip $1).vardeps))
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|
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# Does the actual work with parameters stripped.
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|
# If the file exists AND the contents is the same as the variable, do nothing
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|
# else print a new file.
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|
# Always returns the name of the file where the value was printed.
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|
# Param 1 - Name of variable
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|
# Param 2 - (optional) name of file to store value in
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|
DependOnVariableHelper = \
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|
$(strip \
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|
$(eval -include $(call DependOnVariableFileName, $1, $2)) \
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|
$(if $(call equals, $(strip $($1)), $(strip $($1_old))),,\
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|
$(call MakeDir, $(dir $(call DependOnVariableFileName, $1, $2))) \
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|
$(if $(findstring $(LOG_LEVEL), trace), \
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|
$(info NewVariable $1: >$(strip $($1))<) \
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|
$(info OldVariable $1: >$(strip $($1_old))<)) \
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|
$(call WriteFile, $1_old:=$(call DoubleDollar,$(call EscapeHash,$($1))), \
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|
$(call DependOnVariableFileName, $1, $2))) \
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|
$(call DependOnVariableFileName, $1, $2) \
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|
)
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|
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|
# Main macro
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|
# Param 1 - Name of variable
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|
# Param 2 - (optional) name of file to store value in
|
|
DependOnVariable = \
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|
$(call DependOnVariableHelper,$(strip $1),$(strip $2))
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|
|
|
# LogCmdlines is only intended to be used by ExecuteWithLog
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|
ifeq ($(LOG_CMDLINES), true)
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|
LogCmdlines = $(info $(strip $1))
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|
else
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|
LogCmdlines =
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|
endif
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|
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|
################################################################################
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|
# ExecuteWithLog will run a command and log the output appropriately. This is
|
|
# meant to be used by commands that do "real" work, like a compilation.
|
|
# The output is stored in a specified log file, which is displayed at the end
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|
# of the build in case of failure. The command line itself is stored in a file,
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|
# and also logged to stdout if the LOG=cmdlines option has been given.
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|
#
|
|
# NOTE: If the command redirects stdout, the caller needs to wrap it in a
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|
# subshell (by adding parentheses around it), otherwise the redirect to the
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|
# subshell tee process will create a race condition where the target file may
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|
# not be fully written when the make recipe is done.
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|
#
|
|
# Param 1 - The path to base the name of the log file / command line file on
|
|
# Param 2 - The command to run
|
|
ExecuteWithLog = \
|
|
$(call LogCmdlines, Exececuting: [$(strip $2)]) \
|
|
$(call MakeDir, $(dir $(strip $1))) \
|
|
$(call WriteFile, $2, $(strip $1).cmdline) \
|
|
( $(RM) $(strip $1).log && $(strip $2) > >($(TEE) -a $(strip $1).log) 2> >($(TEE) -a $(strip $1).log >&2) || \
|
|
( exitcode=$(DOLLAR)? && \
|
|
$(CP) $(strip $1).log $(MAKESUPPORT_OUTPUTDIR)/failure-logs/$(subst /,_,$(patsubst $(OUTPUTDIR)/%,%,$(strip $1))).log && \
|
|
$(CP) $(strip $1).cmdline $(MAKESUPPORT_OUTPUTDIR)/failure-logs/$(subst /,_,$(patsubst $(OUTPUTDIR)/%,%,$(strip $1))).cmdline && \
|
|
exit $(DOLLAR)exitcode ) )
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|
|
|
################################################################################
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|
|
|
# Hook to include the corresponding custom file, if present.
|
|
$(eval $(call IncludeCustomExtension, common/MakeBase.gmk))
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|
|
|
endif # _MAKEBASE_GMK
|