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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
56 lines
2.1 KiB
Makefile
56 lines
2.1 KiB
Makefile
##===- tools/lto/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 := LTO
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LINK_COMPONENTS := all-targets ipo scalaropts linker bitreader bitwriter \
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lto mcdisassembler vectorize
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LINK_LIBS_IN_SHARED := 1
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SHARED_LIBRARY := 1
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EXPORTED_SYMBOL_FILE = $(PROJ_SRC_DIR)/lto.exports
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include $(LEVEL)/Makefile.common
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ifdef LLVM_VERSION_INFO
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CXX.Flags += -DLLVM_VERSION_INFO='"$(LLVM_VERSION_INFO)"'
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endif
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ifeq ($(HOST_OS),Darwin)
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# Special hack to allow libLTO to have an offset version number.
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ifdef LLVM_LTO_VERSION_OFFSET
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LTO_LIBRARY_VERSION := $(shell expr $(LLVM_SUBMIT_VERSION) + \
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$(LLVM_LTO_VERSION_OFFSET))
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else
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LTO_LIBRARY_VERSION := $(LLVM_SUBMIT_VERSION)
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endif
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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 := $(LLVMLibsOptions) -Wl,-current_version \
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-Wl,$(LTO_LIBRARY_VERSION).$(LLVM_SUBMIT_SUBVERSION) \
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-Wl,-compatibility_version -Wl,1
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endif
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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 := $(LLVMLibsOptions) \
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-Wl,-install_name \
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-Wl,"@executable_path/../lib/lib$(LIBRARYNAME)$(SHLIBEXT)"
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endif
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# If we're doing an Apple-style build, add the LTO object path.
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ifeq ($(RC_XBS),YES)
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TempFile := $(shell mkdir -p ${OBJROOT}/dSYMs ; mktemp ${OBJROOT}/dSYMs/llvm-lto.XXXXXX)
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LLVMLibsOptions := $(LLVMLibsOptions) \
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-Wl,-object_path_lto -Wl,$(TempFile)
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endif
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endif
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