mirror of
https://github.com/c64scene-ar/llvm-6502.git
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5e7c782b29
This reduces the size of clang-format from 22 MB to 1.8 MB, diagtool goes from 21 MB to 2.8 MB, libclang.so goes from 29 MB to 20 MB, etc. The size of the bin/ folder shrinks from 270 MB to 200 MB. Targets that support plugins and don't already use EXPORTED_SYMBOL_FILE (which libclang and libLTO already do) can set NO_DEAD_STRIP to opt out. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@198087 91177308-0d34-0410-b5e6-96231b3b80d8
123 lines
4.1 KiB
Makefile
123 lines
4.1 KiB
Makefile
##===- tools/shlib/Makefile --------------------------------*- Makefile -*-===##
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#
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# The LLVM Compiler Infrastructure
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#
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# This file is distributed under the University of Illinois Open Source
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# License. See LICENSE.TXT for details.
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#
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##===----------------------------------------------------------------------===##
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LEVEL := ../..
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LIBRARYNAME = LLVM-$(LLVMVersion)
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NO_BUILD_ARCHIVE := 1
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LINK_LIBS_IN_SHARED := 1
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SHARED_LIBRARY := 1
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include $(LEVEL)/Makefile.config
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ifeq ($(HOST_OS), $(filter $(HOST_OS), Cygwin MingW))
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EXPORTED_SYMBOL_FILE = $(ObjDir)/$(LIBRARYNAME).exports
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ifeq (1,$(ENABLE_EMBED_STDCXX))
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# It is needed to force static-stdc++.a linked.
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SHLIB_FRAG_NAMES += stdc++.a.o
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endif
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endif
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include $(LEVEL)/Makefile.common
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# Include all archives in libLLVM.(so|dylib) except the ones that have
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# their own dynamic libraries and TableGen.
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Archives := $(wildcard $(LibDir)/libLLVM*.a)
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SharedLibraries := $(wildcard $(LibDir)/libLLVM*$(SHLIBEXT))
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ExcludeFromLibLlvm := $(basename $(SharedLibraries)).a %/libLLVMTableGen.a
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IncludeInLibLlvm := $(filter-out $(ExcludeFromLibLlvm), $(Archives))
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LLVMLibsOptions := $(IncludeInLibLlvm:$(LibDir)/lib%.a=-l%)
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LLVMLibsPaths := $(IncludeInLibLlvm)
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$(LibName.SO): $(LLVMLibsPaths)
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ifeq ($(HOST_OS),Darwin)
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# set dylib internal version number to llvmCore submission number
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ifdef LLVM_SUBMIT_VERSION
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LLVMLibsOptions := $(LLVMLibsOptions) -Wl,-current_version \
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-Wl,$(LLVM_SUBMIT_VERSION).$(LLVM_SUBMIT_SUBVERSION) \
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-Wl,-compatibility_version -Wl,1
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endif
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# Include everything from the .a's into the shared library.
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LLVMLibsOptions := $(LLVMLibsOptions) -all_load
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# Mac OS X 10.4 and earlier tools do not allow a second -install_name on command line
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DARWIN_VERS := $(shell echo $(TARGET_TRIPLE) | sed 's/.*darwin\([0-9]*\).*/\1/')
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ifneq ($(DARWIN_VERS),8)
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LLVMLibsOptions := $(LLVMLibsOptions) \
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-Wl,-install_name \
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-Wl,"@rpath/lib$(LIBRARYNAME)$(SHLIBEXT)"
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endif
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endif
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ifeq ($(HOST_OS), $(filter $(HOST_OS), DragonFly Linux FreeBSD GNU/kFreeBSD OpenBSD GNU Bitrig))
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# Include everything from the .a's into the shared library.
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LLVMLibsOptions := -Wl,--whole-archive $(LLVMLibsOptions) \
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-Wl,--no-whole-archive
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endif
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ifeq ($(HOST_OS), $(filter $(HOST_OS), DragonFly Linux FreeBSD GNU/kFreeBSD GNU))
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# Add soname to the library.
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LLVMLibsOptions += -Wl,--soname,lib$(LIBRARYNAME)$(SHLIBEXT)
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endif
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ifeq ($(HOST_OS), $(filter $(HOST_OS), Linux GNU GNU/kFreeBSD))
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# Don't allow unresolved symbols.
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LLVMLibsOptions += -Wl,--no-undefined
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endif
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ifeq ($(HOST_OS),SunOS)
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# add -z allextract ahead of other libraries on Solaris
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LLVMLibsOptions := -Wl,-z -Wl,allextract $(LLVMLibsOptions)
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endif
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ifeq ($(HOST_OS), $(filter $(HOST_OS), Cygwin MingW))
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SHLIB_STUBS := $(addprefix $(ObjDir)/, $(SHLIB_FRAG_NAMES))
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SHLIB_FRAGS := $(patsubst %.a.o, $(ObjDir)/%.syms.txt, $(LIBRARYNAME).a.o $(SHLIB_FRAG_NAMES))
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LLVMLibsOptions := $(SHLIB_STUBS) $(LLVMLibsOptions)
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$(LibName.SO): $(SHLIB_STUBS)
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%.syms.txt: %.a.o
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$(Echo) Collecting global symbols of $(notdir $*)
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$(Verb) $(NM_PATH) -g $< > $@
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$(ObjDir)/$(LIBRARYNAME).exports: $(SHLIB_FRAGS) $(ObjDir)/.dir
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$(Echo) Generating exports for $(LIBRARYNAME)
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$(Verb) ($(SED) -n \
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-e "s/^.* T _\([^.][^.]*\)$$/\1/p" \
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-e "s/^.* [BDR] _\([^.][^.]*\)$$/\1 DATA/p" \
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$(SHLIB_FRAGS) \
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| sort -u) > $@
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$(ObjDir)/$(LIBRARYNAME).a.o: $(LLVMLibsPaths) $(ObjDir)/.dir
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$(Echo) Linking all LLVMLibs together for $(LIBRARYNAME)
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$(Verb) $(Link) -nostartfiles -Wl,-r -nodefaultlibs -o $@ \
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-Wl,--whole-archive $(LLVMLibsPaths) \
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-Wl,--no-whole-archive
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$(ObjDir)/stdc++.a.o: $(ObjDir)/.dir
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$(Echo) Linking all libs together for static libstdc++.a
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$(Verb) $(Link) -nostartfiles -Wl,-r -nodefaultlibs -o $@ \
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-Wl,--whole-archive -lstdc++ \
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-Wl,--no-whole-archive
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# FIXME: workaround to invalidate -lstdc++
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$(Echo) Making dummy -lstdc++ to lib
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$(Verb) $(AR) rc $(ToolDir)/libstdc++.dll.a
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# FIXME: Is install-local needed?
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clean-local::
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$(Verb) $(RM) -f $(ToolDir)/libstdc++.dll.a
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endif
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