зеркало из https://github.com/mozilla/pjs.git
bug 419348 - build config fixes for profile-guided optimization on mac. fixes for PGO on universal builds, configure arg to disable PGO in spite of profiled build. r=bsmedberg
This commit is contained in:
ted.mielczarek@gmail.com
Родитель
34da15d9b4
Коммит
3d400539b6
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@ -218,9 +218,14 @@ endif
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#XXX: this is a hack, since we don't want to clobber for MSVC
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# PGO support, but we can't do this test in client.mk
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ifneq ($(OS_ARCH)_$(GNU_CC), WINNT_)
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# No point in clobbering if PGO has been explicitly disabled.
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ifndef NO_PROFILE_GUIDED_OPTIMIZE
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maybe_clobber_profiledbuild: clobber_all
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else
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maybe_clobber_profiledbuild:
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endif
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else
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maybe_clobber_profiledbuild:
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endif
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.PHONY: maybe_clobber_profiledbuild
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52
client.mk
52
client.mk
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@ -931,6 +931,30 @@ real_l10n-checkout:
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else true; \
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fi
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####################################
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# Profile-Guided Optimization
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# To use this, you should set the following variables in your mozconfig
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# mk_add_options PROFILE_GEN_SCRIPT=/path/to/profile-script
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#
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# The profile script should exercise the functionality to be included
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# in the profile feedback.
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#
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# This is up here, outside of the MOZ_CURRENT_PROJECT logic so that this
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# is usable in multi-pass builds, where you might not have a runnable
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# application until all the build passes and postflight scripts have run.
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ifdef MOZ_OBJDIR
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PGO_OBJDIR = $(MOZ_OBJDIR)
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else
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PGO_OBJDIR := $(TOPSRCDIR)
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endif
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profiledbuild::
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$(MAKE) -f $(TOPSRCDIR)/client.mk build MOZ_PROFILE_GENERATE=1
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OBJDIR=${PGO_OBJDIR} $(PROFILE_GEN_SCRIPT)
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$(MAKE) -f $(TOPSRCDIR)/client.mk maybe_clobber_profiledbuild
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$(MAKE) -f $(TOPSRCDIR)/client.mk build MOZ_PROFILE_USE=1
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#####################################################
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# First Checkout
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@ -958,7 +982,7 @@ endif
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#####################################################
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# Preflight, before building any project
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build profiledbuild alldep preflight_all::
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build alldep preflight_all::
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ifeq (,$(MOZ_CURRENT_PROJECT)$(if $(MOZ_PREFLIGHT_ALL),,1))
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# Don't run preflight_all for individual projects in multi-project builds
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# (when MOZ_CURRENT_PROJECT is set.)
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@ -982,7 +1006,7 @@ endif
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# loop through them.
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ifeq (,$(MOZ_CURRENT_PROJECT)$(if $(MOZ_BUILD_PROJECTS),,1))
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configure depend build profiledbuild install export libs clean realclean distclean alldep preflight postflight::
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configure depend build install export libs clean realclean distclean alldep preflight postflight maybe_clobber_profiledbuild::
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set -e; \
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for app in $(MOZ_BUILD_PROJECTS); do \
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$(MAKE) -f $(TOPSRCDIR)/client.mk $@ MOZ_CURRENT_PROJECT=$$app; \
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@ -1072,7 +1096,7 @@ depend:: $(OBJDIR)/Makefile $(OBJDIR)/config.status
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####################################
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# Preflight
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build profiledbuild alldep preflight::
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build alldep preflight::
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ifdef MOZ_PREFLIGHT
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set -e; \
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for mkfile in $(MOZ_PREFLIGHT); do \
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@ -1086,31 +1110,17 @@ endif
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build:: $(OBJDIR)/Makefile $(OBJDIR)/config.status
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$(MOZ_MAKE)
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####################################
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# Profile-feedback build (gcc only)
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# To use this, you should set the following variables in your mozconfig
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# mk_add_options PROFILE_GEN_SCRIPT=/path/to/profile-script
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#
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# The profile script should exercise the functionality to be included
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# in the profile feedback.
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profiledbuild:: $(OBJDIR)/Makefile $(OBJDIR)/config.status
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$(MOZ_MAKE) MOZ_PROFILE_GENERATE=1
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OBJDIR=${OBJDIR} $(PROFILE_GEN_SCRIPT)
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$(MOZ_MAKE) maybe_clobber_profiledbuild
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$(MOZ_MAKE) MOZ_PROFILE_USE=1
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####################################
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# Other targets
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# Pass these target onto the real build system
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install export libs clean realclean distclean alldep:: $(OBJDIR)/Makefile $(OBJDIR)/config.status
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install export libs clean realclean distclean alldep maybe_clobber_profiledbuild:: $(OBJDIR)/Makefile $(OBJDIR)/config.status
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$(MOZ_MAKE) $@
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####################################
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# Postflight
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build profiledbuild alldep postflight::
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build alldep postflight::
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ifdef MOZ_POSTFLIGHT
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set -e; \
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for mkfile in $(MOZ_POSTFLIGHT); do \
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@ -1123,7 +1133,7 @@ endif # MOZ_CURRENT_PROJECT
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####################################
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# Postflight, after building all projects
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build profiledbuild alldep postflight_all::
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build alldep postflight_all::
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ifeq (,$(MOZ_CURRENT_PROJECT)$(if $(MOZ_POSTFLIGHT_ALL),,1))
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# Don't run postflight_all for individual projects in multi-project builds
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# (when MOZ_CURRENT_PROJECT is set.)
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@ -1161,4 +1171,4 @@ endif
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echo-variable-%:
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@echo $($*)
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.PHONY: checkout real_checkout depend build profiledbuild export libs alldep install clean realclean distclean cleansrcdir pull_all build_all clobber clobber_all pull_and_build_all everything configure preflight_all preflight postflight postflight_all
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.PHONY: checkout real_checkout depend build profiledbuild maybe_clobber_profiledbuild export libs alldep install clean realclean distclean cleansrcdir pull_all build_all clobber clobber_all pull_and_build_all everything configure preflight_all preflight postflight postflight_all
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@ -283,6 +283,7 @@ MOZ_OPTIMIZE_LDFLAGS = @MOZ_OPTIMIZE_LDFLAGS@
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MOZ_RTTI_FLAGS_ON = @_MOZ_RTTI_FLAGS_ON@
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MOZ_PROFILE_GUIDED_OPTIMIZE_DISABLE = @MOZ_PROFILE_GUIDED_OPTIMIZE_DISABLE@
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PROFILE_GEN_CFLAGS = @PROFILE_GEN_CFLAGS@
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PROFILE_GEN_LDFLAGS = @PROFILE_GEN_LDFLAGS@
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PROFILE_USE_CFLAGS = @PROFILE_USE_CFLAGS@
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@ -351,6 +351,11 @@ DSO_PIC_CFLAGS=
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endif
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endif
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# This comes from configure
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ifdef MOZ_PROFILE_GUIDED_OPTIMIZE_DISABLE
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NO_PROFILE_GUIDED_OPTIMIZE = 1
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endif
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# Enable profile-based feedback
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ifndef NO_PROFILE_GUIDED_OPTIMIZE
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ifdef MOZ_PROFILE_GENERATE
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@ -6550,6 +6550,15 @@ dnl Test for profiling options
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dnl Under gcc 3.3, use -fprofile-arcs/-fbranch-probabilities
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dnl Under gcc 3.4+, use -fprofile-generate/-fprofile-use
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dnl Provide a switch to disable PGO even when called via profiledbuild.
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MOZ_ARG_DISABLE_BOOL(profile-guided-optimization,
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[ --disable-profile-guided-optimization
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Don't build with PGO even if called via make profiledbuild],
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MOZ_PROFILE_GUIDED_OPTIMIZE_DISABLE=1,
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MOZ_PROFILE_GUIDED_OPTIMIZE_DISABLE=)
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AC_SUBST(MOZ_PROFILE_GUIDED_OPTIMIZE_DISABLE)
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_SAVE_CFLAGS="$CFLAGS"
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CFLAGS="$CFLAGS -fprofile-generate"
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