1 ##===- tools/lto/Makefile ----------------------------------*- Makefile -*-===## 2 # 3 # The LLVM Compiler Infrastructure 4 # 5 # This file is distributed under the University of Illinois Open Source 6 # License. See LICENSE.TXT for details. 7 # 8 ##===----------------------------------------------------------------------===## 9 10 LEVEL := ../.. 11 LIBRARYNAME := LTO 12 LINK_COMPONENTS := all-targets core lto mc mcdisassembler support 13 LINK_LIBS_IN_SHARED := 1 14 SHARED_LIBRARY := 1 15 16 EXPORTED_SYMBOL_FILE = $(PROJ_SRC_DIR)/lto.exports 17 18 include $(LEVEL)/Makefile.common 19 20 ifdef LLVM_VERSION_INFO 21 CXX.Flags += -DLLVM_VERSION_INFO='"$(LLVM_VERSION_INFO)"' 22 endif 23 24 ifeq ($(HOST_OS),Darwin) 25 # Special hack to allow libLTO to have an offset version number. 26 ifdef LLVM_LTO_VERSION_OFFSET 27 LTO_LIBRARY_VERSION := $(shell expr $(LLVM_SUBMIT_VERSION) + \ 28 $(LLVM_LTO_VERSION_OFFSET)) 29 else 30 LTO_LIBRARY_VERSION := $(LLVM_SUBMIT_VERSION) 31 endif 32 33 # set dylib internal version number to llvmCore submission number 34 ifdef LLVM_SUBMIT_VERSION 35 LLVMLibsOptions := $(LLVMLibsOptions) -Wl,-current_version \ 36 -Wl,$(LTO_LIBRARY_VERSION).$(LLVM_SUBMIT_SUBVERSION) \ 37 -Wl,-compatibility_version -Wl,1 38 endif 39 40 # If we're doing an Apple-style build, add the LTO object path. 41 ifeq ($(RC_XBS),YES) 42 TempFile := $(shell mkdir -p ${OBJROOT}/dSYMs ; mktemp ${OBJROOT}/dSYMs/llvm-lto.XXXXXX) 43 LLVMLibsOptions := $(LLVMLibsOptions) \ 44 -Wl,-object_path_lto -Wl,$(TempFile) 45 endif 46 endif 47
