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##===- tools/lto/Makefile ----------------------------------*- Makefile -*-===##
#
# The LLVM Compiler Infrastructure
#
# This file is distributed under the University of Illinois Open Source
# License. See LICENSE.TXT for details.
#
##===----------------------------------------------------------------------===##
LEVEL := ../..
LIBRARYNAME := LTO
LINK_COMPONENTS := all-targets ipo scalaropts linker bitreader bitwriter \
mcdisassembler vectorize
LINK_LIBS_IN_SHARED := 1
SHARED_LIBRARY := 1
EXPORTED_SYMBOL_FILE = $(PROJ_SRC_DIR)/lto.exports
include $(LEVEL)/Makefile.common
ifdef LLVM_VERSION_INFO
CXX.Flags += -DLLVM_VERSION_INFO='"$(LLVM_VERSION_INFO)"'
endif
ifeq ($(HOST_OS),Darwin)
# Special hack to allow libLTO to have an offset version number.
ifdef LLVM_LTO_VERSION_OFFSET
LTO_LIBRARY_VERSION := $(shell expr $(LLVM_SUBMIT_VERSION) + \
$(LLVM_LTO_VERSION_OFFSET))
else
LTO_LIBRARY_VERSION := $(LLVM_SUBMIT_VERSION)
endif
# set dylib internal version number to llvmCore submission number
ifdef LLVM_SUBMIT_VERSION
LLVMLibsOptions := $(LLVMLibsOptions) -Wl,-current_version \
-Wl,$(LTO_LIBRARY_VERSION).$(LLVM_SUBMIT_SUBVERSION) \
-Wl,-compatibility_version -Wl,1
endif
# extra options to override libtool defaults
LLVMLibsOptions := $(LLVMLibsOptions) \
-Wl,-dead_strip \
-Wl,-seg1addr -Wl,0xE0000000
# Mac OS X 10.4 and earlier tools do not allow a second -install_name on command line
DARWIN_VERS := $(shell echo $(TARGET_TRIPLE) | sed 's/.*darwin\([0-9]*\).*/\1/')
ifneq ($(DARWIN_VERS),8)
LLVMLibsOptions := $(LLVMLibsOptions) \
-Wl,-install_name \
-Wl,"@executable_path/../lib/lib$(LIBRARYNAME)$(SHLIBEXT)"
endif
# If we're doing an Apple-style build, add the LTO object path.
ifeq ($(RC_XBS),YES)
TempFile := $(shell mkdir -p ${OBJROOT}/dSYMs ; mktemp ${OBJROOT}/dSYMs/llvm-lto.XXXXXX)
LLVMLibsOptions := $(LLVMLibsOptions) \
-Wl,-object_path_lto -Wl,$(TempFile)
endif
endif
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