db1561f051
Even though `llvm-config --cxxflags` does not reflect it, LLVM generally uses -fvisibility-inlines-hidden on Unix-like platforms at least since <https: //github.com/llvm/llvm-project/commit/6b43f1f40f644b896f44078872c0b93ec3afef67> "[CMake] Support -fvisibility-inlines-hidden when LLVM_ENABLE_PIC=Off" debuting in release/3.8.x. At least with my build on macOS 11.1 ARM64 against recent LLVM 12 trunk, that caused a mismatch between > $ nm -m compilerplugins/clang/sharedvisitor/analyzer.o | grep __ZGVZNK5clang24TemplateTemplateParmDecl18getDefaultArgumentEvE7NoneLoc > 0000000000028038 (__DATA,__data) weak external __ZGVZNK5clang24TemplateTemplateParmDecl18getDefaultArgumentEvE7NoneLoc and > $ nm -m ~/llvm/inst/lib/libclangAST.a\(JSONNodeDumper.cpp.o\) | grep __ZGVZNK5clang24TemplateTemplateParmDecl18getDefaultArgumentEvE7NoneLoc > 000000000001ccf0 (__DATA,__data) weak private external __ZGVZNK5clang24TemplateTemplateParmDecl18getDefaultArgumentEvE7NoneLoc etc., causing (albeit harmless) warnings > [GEN] compilerplugins/clang/sharedvisitor/analyzer > ld: warning: direct access in function 'clang::JSONNodeDumper::VisitTemplateTemplateParmDecl(clang::TemplateTemplateParmDecl const*)' from file '~/llvm/inst/lib/libclangAST.a(JSONNodeDumper.cpp.o)' to global weak symbol 'guard variable for clang::TemplateTemplateParmDecl::getDefaultArgument() const::NoneLoc' from file 'compilerplugins/clang/sharedvisitor/analyzer.o' means the weak symbol cannot be overridden at runtime. This was likely caused by different translation units being compiled with different visibility settings. [...] -fvisibility-inline-hidden is presumably supported by all $(COMPILER_PLUGINS_CXX) used on non-Windows platforms in the wild, so lets be bold and add it unconditionally. Change-Id: I0d405b4f57066baa098977e65e5ba4a3a47575c9 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/109712 Tested-by: Jenkins Reviewed-by: Stephan Bergmann <sbergman@redhat.com>
363 lines
14 KiB
Makefile
363 lines
14 KiB
Makefile
#
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# This file is part of the LibreOffice project.
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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#
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# Make sure variables in this Makefile do not conflict with other variables (e.g. from gbuild).
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# Set to 1 if you need to debug the plugin).
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CLANGDEBUG=
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# Compile flags, you may occasionally want to override these:
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ifeq ($(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 ($(CLANGDEBUG),)
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CLANGCXXFLAGS+=/O2 /Oi
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else
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CLANGCXXFLAGS+=/DEBUG /Od
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endif
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else # WNT
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CLANGCXXFLAGS=-Wall -Wextra -Wundef -fvisibility-inlines-hidden
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ifeq ($(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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# 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 ($(OS),WNT)
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CLANGWERROR :=
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#TODO: /WX
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else
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CLANGWERROR := -Werror
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# When COMPILER_PLUGINS_CXXFLAGS (obtained via `llvm-config --cxxflags`) contains options like
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# -Wno-maybe-uninitialized that are targeting GCC (when LLVM was actually built with GCC), and
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# COMPILER_PLUGINS_CXX (defaulting to CXX) denotes a Clang that does not understand those options,
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# it fails with -Werror,-Wunknown-warning-option, so we need -Wno-unknown-warning-option (but which
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# GCC does not understand) at least with -Werror:
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ifeq ($(COMPILER_PLUGINS_COM_IS_CLANG),TRUE)
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CLANGWERROR += -Wno-unknown-warning-option
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endif
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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+=$(CLANGSRCOUTDIR)
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endif
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# The list of source files, generated automatically (all files in clang/, but not subdirs).
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CLANGSRCINDIR=$(sort $(foreach src,$(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 := $(sort $(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='"$(CLANGTOOLDEFS)"' \
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-DLO_CLANG_USE_ANALYZER_PCH=$(if $(COMPILER_PLUGINS_ANALYZER_PCH),1,0) \
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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 $(CLANGOUTDIR)/clang.pch.d
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endif
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ifeq ($(COMPILER_PLUGINS_ANALYZER_PCH),TRUE)
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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
|
|
|
|
-include $(CLANGOUTDIR)/sharedvisitor/clang.pch.d
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|
|
|
else
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|
$(CLANGOUTDIR)/sharedvisitor/clang.pch:
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|
touch $@
|
|
endif
|
|
|
|
# vim: set noet sw=4 ts=4:
|