62625aa76b
We already use that normally, the build system should generally take care of this by gmake dependencies. One exception is system headers, but those usually do not really change even if their timestamps do, so this should prevent Clang from giving an error about this after system headers update (which should be harmless, and if it isn't then I suppose either something else such as compiler upgrade should trigger a rebuild, or cleaning needs to be done manually). Change-Id: I60581c0d2d3233aadc60e1c90bd62cb9ad684ba2 Reviewed-on: https://gerrit.libreoffice.org/83662 Tested-by: Jenkins Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
358 lines
14 KiB
Makefile
358 lines
14 KiB
Makefile
#
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# This file is part of the LibreOffice project.
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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# Make sure variables in this Makefile do not conflict with other variables (e.g. from gbuild).
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# Set to 1 if you need to debug the plugin).
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CLANGDEBUG=
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# Compile flags, you may occasionally want to override these:
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ifeq ($(OS),WNT)
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# See LLVM's cmake/modules/AddLLVM.cmake and LLVM build's
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# tools/llvm-config/BuildVariables.inc:
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# * Ignore "warning C4141: 'inline': used more than once" as emitted upon
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# "LLVM_ATTRIBUTE_ALWAYS_INLINE inline" in various LLVM include files.
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# * Ignore "warning C4577: 'noexcept' used with no exception handling mode
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# specified; termination on exception is not guaranteed. Specify /EHsc".
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CLANGCXXFLAGS=/nologo /D_HAS_EXCEPTIONS=0 /wd4141 /wd4577 /EHs-c- /GR-
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ifeq ($(CLANGDEBUG),)
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CLANGCXXFLAGS+=/O2 /Oi
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else
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CLANGCXXFLAGS+=/DEBUG /Od
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endif
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else # WNT
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CLANGCXXFLAGS=-Wall -Wextra -Wundef
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ifeq ($(CLANGDEBUG),)
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CLANGCXXFLAGS+=-O2
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else
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CLANGCXXFLAGS+=-g -O0 -UNDEBUG
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endif
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endif
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# Whether to make plugins use one shared ASTRecursiveVisitor (plugins run faster).
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# By default enabled, disable if you work on an affected plugin (re-generating takes time).
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LO_CLANG_SHARED_PLUGINS=1
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#TODO: Windows doesn't use LO_CLANG_SHARED_PLUGINS for now, see corresponding TODO comment in
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# configure.ac:
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ifeq ($(OS),WNT)
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LO_CLANG_SHARED_PLUGINS=
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endif
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# Whether to use precompiled headers for the sources. This is actually controlled
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# by gb_ENABLE_PCH like everywhere else, but unsetting this disables PCH.
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LO_CLANG_USE_PCH=1
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# Whether to use precompiled headers for the analyzer too. Does not apply to compiling sources.
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LO_CLANG_USE_ANALYZER_PCH=1
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# The uninteresting rest.
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include $(SRCDIR)/solenv/gbuild/gbuild.mk
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include $(SRCDIR)/solenv/gbuild/Output.mk
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CLANG_COMMA :=,
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ifeq ($(OS),WNT)
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CLANG_DL_EXT = .dll
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CLANG_EXE_EXT = .exe
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else
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CLANG_DL_EXT = .so
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CLANG_EXE_EXT =
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endif
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# Clang headers require these.
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CLANGDEFS:=$(COMPILER_PLUGINS_CXXFLAGS)
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# All include locations needed (using -isystem silences various warnings when
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# including those files):
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ifneq ($(OS),WNT)
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CLANGDEFS:=$(filter-out -isystem/usr/include,$(foreach opt,$(CLANGDEFS),$(patsubst -I%,-isystem%,$(opt))))
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endif
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# Clang/LLVM libraries are intentionally not linked in, they are usually built as static libraries, which means the resulting
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# plugin would be big (even though the clang binary already includes it all) and it'd be necessary to explicitly specify
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# also all the dependency libraries.
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CLANGINDIR=$(SRCDIR)/compilerplugins/clang
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# Cannot use $(WORKDIR), the plugin should survive even 'make clean', otherwise the rebuilt
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# plugin will cause cache misses with ccache.
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CLANGOUTDIR=$(BUILDDIR)/compilerplugins/clang
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CLANGOBJDIR=$(CLANGOUTDIR)/obj
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ifdef LO_CLANG_SHARED_PLUGINS
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CLANGCXXFLAGS+=-DLO_CLANG_SHARED_PLUGINS
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endif
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ifneq ($(CLANGDEBUG),)
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ifeq ($(HAVE_GCC_SPLIT_DWARF),TRUE)
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CLANGCXXFLAGS+=-gsplit-dwarf
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endif
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endif
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QUIET=$(if $(verbose),,@)
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ifneq ($(ENABLE_WERROR),)
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ifeq ($(OS),WNT)
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CLANGWERROR :=
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#TODO: /WX
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else
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CLANGWERROR := -Werror
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endif
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endif
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ifneq ($(LO_CLANG_USE_PCH),)
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# Reset and enable only if actually supported and enabled.
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LO_CLANG_USE_PCH=
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ifneq ($(gb_ENABLE_PCH),)
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ifneq ($(OS),WNT)
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# Currently only Clang PCH is supported (which should usually be the case, as Clang is usually self-built).
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ifneq ($(findstring clang,$(COMPILER_PLUGINS_CXX)),)
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LO_CLANG_USE_PCH=1
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LO_CLANG_PCH_FLAGS:=-Xclang -fno-pch-timestamp
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endif
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endif
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endif
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endif
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compilerplugins: compilerplugins-build
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ifdef LO_CLANG_SHARED_PLUGINS
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# The shared source, intentionally put first in the list because it takes the longest to build.
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CLANGSRCOUTDIR=$(CLANGOUTDIR)/sharedvisitor/sharedvisitor.cxx
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CLANGSRC+=$(CLANGSRCOUTDIR)
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endif
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# The list of source files, generated automatically (all files in clang/, but not subdirs).
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CLANGSRCINDIR=$(foreach src,$(wildcard $(CLANGINDIR)/*.cxx), $(notdir $(src)))
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CLANGSRC+=$(CLANGSRCINDIR)
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# Remember the sources and if they have changed, force plugin relinking.
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CLANGSRCCHANGED= \
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$(shell mkdir -p $(CLANGOUTDIR) ; \
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echo $(CLANGSRC) | sort > $(CLANGOUTDIR)/sources-new.txt; \
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if diff $(CLANGOUTDIR)/sources.txt $(CLANGOUTDIR)/sources-new.txt >/dev/null 2>/dev/null; then \
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echo 0; \
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else \
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mv $(CLANGOUTDIR)/sources-new.txt $(CLANGOUTDIR)/sources.txt; \
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echo 1; \
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fi; \
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)
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ifeq ($(CLANGSRCCHANGED),1)
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.PHONY: CLANGFORCE
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CLANGFORCE:
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$(CLANGOUTDIR)/plugin$(CLANG_DL_EXT): CLANGFORCE
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endif
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# Make the .so also explicitly depend on the sources list, to force update in case CLANGSRCCHANGED was e.g. during 'make clean'.
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$(CLANGOUTDIR)/plugin$(CLANG_DL_EXT): $(CLANGOUTDIR)/sources.txt
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$(CLANGOUTDIR)/sources.txt:
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touch $@
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compilerplugins-build: $(CLANGOUTDIR) $(CLANGOBJDIR) $(CLANGOUTDIR)/plugin$(CLANG_DL_EXT)
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compilerplugins-clean:
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rm -rf \
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$(CLANGOBJDIR) \
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$(CLANGOUTDIR)/clang-timestamp \
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$(CLANGOUTDIR)/plugin$(CLANG_DL_EXT) \
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$(CLANGOUTDIR)/clang.pch{,.d} \
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$(CLANGOUTDIR)/sharedvisitor/*.plugininfo \
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$(CLANGOUTDIR)/sharedvisitor/clang.pch{,.d} \
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$(CLANGOUTDIR)/sharedvisitor/sharedvisitor.{cxx,d,o} \
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$(CLANGOUTDIR)/sharedvisitor/{analyzer,generator}{$(CLANG_EXE_EXT),.d,.o} \
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$(CLANGOUTDIR)/sources-new.txt \
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$(CLANGOUTDIR)/sources-shared-new.txt \
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$(CLANGOUTDIR)/sources-shared.txt \
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$(CLANGOUTDIR)/sources.txt
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$(CLANGOUTDIR):
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mkdir -p $(CLANGOUTDIR)
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$(CLANGOBJDIR):
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mkdir -p $(CLANGOBJDIR)
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CLANGOBJS=
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ifeq ($(OS),WNT)
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# clangbuildsrc cxxfile objfile dfile
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define clangbuildsrc
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$(2): $(1) $(SRCDIR)/compilerplugins/Makefile-clang.mk $(CLANGOUTDIR)/clang-timestamp
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$$(call gb_Output_announce,$(subst $(SRCDIR)/,,$(subst $(BUILDDIR)/,,$(1))),$(true),CXX,3)
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$(QUIET)$(COMPILER_PLUGINS_CXX) $(CLANGDEFS) $(CLANGCXXFLAGS) $(CLANGWERROR) \
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$(CLANGINCLUDES) /I$(BUILDDIR)/config_host /I$(CLANGINDIR) $(1) /MD \
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/c /Fo: $(2)
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-include $(3) #TODO
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$(CLANGOUTDIR)/plugin$(CLANG_DL_EXT): $(2)
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$(CLANGOUTDIR)/plugin$(CLANG_DL_EXT): CLANGOBJS += $(2)
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endef
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else
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# clangbuildsrc cxxfile ofile dfile
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define clangbuildsrc
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$(2): $(1) $(SRCDIR)/compilerplugins/Makefile-clang.mk $(CLANGOUTDIR)/clang-timestamp \
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$(if $(LO_CLANG_USE_PCH),$(CLANGOUTDIR)/clang.pch)
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$$(call gb_Output_announce,$(subst $(SRCDIR)/,,$(subst $(BUILDDIR)/,,$(1))),$(true),CXX,3)
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$(QUIET)$(COMPILER_PLUGINS_CXX) $(CLANGDEFS) $(CLANGCXXFLAGS) $(CLANGWERROR) \
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$(CLANGINCLUDES) -I$(BUILDDIR)/config_host -I$(CLANGINDIR) $(1) \
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$(if $(LO_CLANG_USE_PCH),-include-pch $(CLANGOUTDIR)/clang.pch -DPCH_LEVEL=$(gb_ENABLE_PCH)) \
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-fPIC -c -o $(2) -MMD -MT $(2) -MP -MF $(3)
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-include $(3)
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$(CLANGOUTDIR)/plugin$(CLANG_DL_EXT): $(2)
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$(CLANGOUTDIR)/plugin$(CLANG_DL_EXT): CLANGOBJS += $(2)
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endef
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endif
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$(foreach src, $(CLANGSRCOUTDIR), $(eval $(call clangbuildsrc,$(src),$(src:.cxx=.o),$(src:.cxx=.d))))
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$(foreach src, $(CLANGSRCINDIR), $(eval $(call clangbuildsrc,$(CLANGINDIR)/$(src),$(CLANGOBJDIR)/$(src:.cxx=.o),$(CLANGOBJDIR)/$(src:.cxx=.d))))
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$(CLANGOUTDIR)/plugin$(CLANG_DL_EXT): $(CLANGOBJS)
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$(call gb_Output_announce,$(subst $(BUILDDIR)/,,$@),$(true),LNK,4)
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ifeq ($(OS),WNT)
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$(QUIET)$(COMPILER_PLUGINS_CXX) /LD $(CLANGOBJS) /Fe: $@ $(CLANGLIBDIR)/clang.lib \
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mincore.lib version.lib /link $(COMPILER_PLUGINS_CXX_LINKFLAGS)
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else
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$(QUIET)$(COMPILER_PLUGINS_CXX) -shared $(CLANGOBJS) -o $@ \
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$(if $(filter MACOSX,$(OS)),-Wl$(CLANG_COMMA)-flat_namespace \
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-Wl$(CLANG_COMMA)-undefined -Wl$(CLANG_COMMA)suppress)
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endif
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# Clang most probably doesn't maintain binary compatibility, so rebuild when clang changes
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# (either the binary can change if it's a local build, or config_clang.h will change if configure detects
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# a new version of a newly installed system clang).
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$(CLANGOUTDIR)/clang-timestamp: $(CLANGDIR)/bin/clang$(CLANG_EXE_EXT) $(BUILDDIR)/config_host/config_clang.h
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$(QUIET)touch $@
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ifdef LO_CLANG_SHARED_PLUGINS
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SHARED_SOURCES := $(shell grep -l "LO_CLANG_SHARED_PLUGINS" $(CLANGINDIR)/*.cxx)
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SHARED_SOURCE_INFOS := $(foreach source,$(SHARED_SOURCES),$(patsubst $(CLANGINDIR)/%.cxx,$(CLANGOUTDIR)/sharedvisitor/%.plugininfo,$(source)))
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$(CLANGOUTDIR)/sharedvisitor/%.plugininfo: $(CLANGINDIR)/%.cxx \
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$(CLANGOUTDIR)/sharedvisitor/analyzer$(CLANG_EXE_EXT) \
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$(CLANGOUTDIR)/sharedvisitor/clang.pch
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$(call gb_Output_announce,$(subst $(BUILDDIR)/,,$@),$(true),GEN,1)
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$(QUIET)$(ICECREAM_RUN) $(CLANGOUTDIR)/sharedvisitor/analyzer$(CLANG_EXE_EXT) \
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$(COMPILER_PLUGINS_TOOLING_ARGS:%=-arg=%) $< > $@
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$(CLANGOUTDIR)/sharedvisitor/sharedvisitor.cxx: $(SHARED_SOURCE_INFOS) $(CLANGOUTDIR)/sharedvisitor/generator$(CLANG_EXE_EXT)
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$(call gb_Output_announce,$(subst $(BUILDDIR)/,,$@),$(true),GEN,1)
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$(QUIET)$(ICECREAM_RUN) $(CLANGOUTDIR)/sharedvisitor/generator$(CLANG_EXE_EXT) \
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$(SHARED_SOURCE_INFOS) > $@
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# Flags used internally in analyzer.
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# Older versions of Clang have a problem to find their own internal headers, so add it.
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# Also filter out the c++ library, it's not necessary to be specific about it in this case
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# and it can also cause trouble with finding the proper headers.
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CLANGTOOLDEFS = $(filter-out -stdlib=%,$(CLANGDEFS) -I$(CLANGSYSINCLUDE))
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CLANGTOOLDEFS += -w
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ifneq ($(filter-out MACOSX WNT,$(OS)),)
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ifneq ($(CLANGDIR),/usr)
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# Help the generator find Clang shared libs, if Clang is built so and installed in a non-standard prefix.
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CLANGTOOLLIBS += -Wl,--rpath,$(CLANGLIBDIR)
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endif
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endif
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$(CLANGOUTDIR)/sharedvisitor/analyzer$(CLANG_EXE_EXT): $(CLANGINDIR)/sharedvisitor/analyzer.cxx \
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| $(CLANGOUTDIR)/sharedvisitor
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$(call gb_Output_announce,$(subst $(BUILDDIR)/,,$@),$(true),GEN,1)
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$(QUIET)$(COMPILER_PLUGINS_CXX) $(CLANGDEFS) $(CLANGCXXFLAGS) $(CLANGWERROR) $(CLANGINCLUDES) \
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-I$(BUILDDIR)/config_host -DCLANGFLAGS='"$(CLANGTOOLDEFS)"' \
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-DLO_CLANG_USE_ANALYZER_PCH=$(LO_CLANG_USE_ANALYZER_PCH) \
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-c $< -o $(CLANGOUTDIR)/sharedvisitor/analyzer.o -MMD -MT $@ -MP \
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-MF $(CLANGOUTDIR)/sharedvisitor/analyzer.d
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$(QUIET)$(COMPILER_PLUGINS_CXX) $(CLANGDEFS) $(CLANGCXXFLAGS) $(CLANGOUTDIR)/sharedvisitor/analyzer.o \
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-o $@ $(CLANGTOOLLIBS)
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$(CLANGOUTDIR)/sharedvisitor/generator$(CLANG_EXE_EXT): $(CLANGINDIR)/sharedvisitor/generator.cxx \
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| $(CLANGOUTDIR)/sharedvisitor
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$(call gb_Output_announce,$(subst $(BUILDDIR)/,,$@),$(true),GEN,1)
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$(QUIET)$(COMPILER_PLUGINS_CXX) $(CLANGDEFS) $(CLANGCXXFLAGS) $(CLANGWERROR) \
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-c $< -o $(CLANGOUTDIR)/sharedvisitor/generator.o -MMD -MT $@ -MP \
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-MF $(CLANGOUTDIR)/sharedvisitor/generator.d
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$(QUIET)$(COMPILER_PLUGINS_CXX) $(CLANGDEFS) $(CLANGCXXFLAGS) $(CLANGOUTDIR)/sharedvisitor/generator.o \
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-o $@
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$(CLANGOUTDIR)/sharedvisitor/analyzer$(CLANG_EXE_EXT): $(SRCDIR)/compilerplugins/Makefile-clang.mk $(CLANGOUTDIR)/clang-timestamp
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$(CLANGOUTDIR)/sharedvisitor/generator$(CLANG_EXE_EXT): $(SRCDIR)/compilerplugins/Makefile-clang.mk
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$(CLANGOUTDIR)/sharedvisitor:
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mkdir -p $(CLANGOUTDIR)/sharedvisitor
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-include $(CLANGOUTDIR)/sharedvisitor/analyzer.d
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-include $(CLANGOUTDIR)/sharedvisitor/generator.d
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# TODO WNT version
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# Remember the sources that are shared and if they have changed, force sharedvisitor.cxx generating.
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# Duplicated from CLANGSRCCHANGED above.
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CLANGSRCSHAREDCHANGED= \
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$(shell mkdir -p $(CLANGOUTDIR) ; \
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echo $(SHARED_SOURCES) | sort > $(CLANGOUTDIR)/sources-shared-new.txt; \
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if diff $(CLANGOUTDIR)/sources-shared.txt $(CLANGOUTDIR)/sources-shared-new.txt >/dev/null 2>/dev/null; then \
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echo 0; \
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else \
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mv $(CLANGOUTDIR)/sources-shared-new.txt $(CLANGOUTDIR)/sources-shared.txt; \
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echo 1; \
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fi; \
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)
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ifeq ($(CLANGSRCSHAREDCHANGED),1)
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.PHONY: CLANGFORCE
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CLANGFORCE:
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$(CLANGOUTDIR)/sharedvisitor/sharedvisitor.cxx: CLANGFORCE
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endif
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# Make sharedvisitor.cxx also explicitly depend on the sources list, to force update in case CLANGSRCSHAREDCHANGED was e.g. during 'make clean'.
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$(CLANGOUTDIR)/sharedvisitor/sharedvisitor.cxx: $(CLANGOUTDIR)/sources-shared.txt
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$(CLANGOUTDIR)/sources-shared.txt:
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touch $@
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endif
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ifneq ($(LO_CLANG_USE_PCH),)
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# the PCH for plugin sources themselves
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ifeq ($(OS),WNT)
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# TODO
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else
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$(CLANGOUTDIR)/clang.pch: $(CLANGINDIR)/precompiled_clang.hxx \
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$(SRCDIR)/compilerplugins/Makefile-clang.mk $(CLANGOUTDIR)/clang-timestamp
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$(call gb_Output_announce,$(subst $(BUILDDIR)/,,$@),$(true),PCH,1)
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$(QUIET)$(COMPILER_PLUGINS_CXX) -x c++-header $(CLANGDEFS) $(CLANGCXXFLAGS) $(CLANGWERROR) \
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$(CLANGINCLUDES) -I$(BUILDDIR)/config_host -I$(CLANGINDIR) -DPCH_LEVEL=$(gb_ENABLE_PCH) \
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$(LO_CLANG_PCH_FLAGS) \
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-fPIC -c $< -o $@ -MMD -MT $@ -MP -MF $(CLANGOUTDIR)/clang.pch.d
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endif
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-include $(CLANGOUTDIR)/clang.pch.d
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endif
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ifdef LO_CLANG_USE_ANALYZER_PCH
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# the PCH for usage in sharedvisitor/analyzer
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# these are from the invocation in analyzer.cxx
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LO_CLANG_ANALYZER_PCH_CXXFLAGS := -I$(BUILDDIR)/config_host $(CLANGTOOLDEFS)
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$(CLANGOUTDIR)/sharedvisitor/clang.pch: $(CLANGINDIR)/sharedvisitor/precompiled_clang.hxx \
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$(SRCDIR)/compilerplugins/Makefile-clang.mk $(CLANGOUTDIR)/clang-timestamp \
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| $(CLANGOUTDIR)/sharedvisitor
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$(call gb_Output_announce,$(subst $(BUILDDIR)/,,$@),$(true),PCH,1)
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$(QUIET)$(CLANGDIR)/bin/clang -x c++-header $(LO_CLANG_ANALYZER_PCH_CXXFLAGS) \
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$(LO_CLANG_PCH_FLAGS) $(COMPILER_PLUGINS_TOOLING_ARGS) -c $< -o $@ -MMD -MT $@ -MP \
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-MF $(CLANGOUTDIR)/sharedvisitor/clang.pch.d
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-include $(CLANGOUTDIR)/sharedvisitor/clang.pch.d
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else
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$(CLANGOUTDIR)/sharedvisitor/clang.pch:
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touch $@
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endif
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# vim: set noet sw=4 ts=4:
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