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 13 EXPORTED_SYMBOL_FILE = $(PROJ_SRC_DIR)/lto.exports 14 15 # Include this here so we can get the configuration of the targets 16 # that have been configured for construction. We have to do this 17 # early so we can set up LINK_COMPONENTS before including Makefile.rules 18 include $(LEVEL)/Makefile.config 19 20 LINK_LIBS_IN_SHARED = 1 21 SHARED_LIBRARY = 1 22 23 LINK_COMPONENTS := $(TARGETS_TO_BUILD) ipo scalaropts linker bitreader \ 24 bitwriter mcdisassembler 25 26 include $(LEVEL)/Makefile.common 27 28 ifdef LLVM_VERSION_INFO 29 CXX.Flags += -DLLVM_VERSION_INFO='"$(LLVM_VERSION_INFO)"' 30 endif 31 32 ifeq ($(HOST_OS),Darwin) 33 # Special hack to allow libLTO to have an offset version number. 34 ifdef LLVM_LTO_VERSION_OFFSET 35 LTO_LIBRARY_VERSION := $(shell expr $(LLVM_SUBMIT_VERSION) + \ 36 $(LLVM_LTO_VERSION_OFFSET)) 37 else 38 LTO_LIBRARY_VERSION := $(LLVM_SUBMIT_VERSION) 39 endif 40 41 # set dylib internal version number to llvmCore submission number 42 ifdef LLVM_SUBMIT_VERSION 43 LLVMLibsOptions := $(LLVMLibsOptions) -Wl,-current_version \ 44 -Wl,$(LTO_LIBRARY_VERSION).$(LLVM_SUBMIT_SUBVERSION) \ 45 -Wl,-compatibility_version -Wl,1 46 endif 47 # extra options to override libtool defaults 48 LLVMLibsOptions := $(LLVMLibsOptions) \ 49 -Wl,-dead_strip \ 50 -Wl,-seg1addr -Wl,0xE0000000 51 52 # Mac OS X 10.4 and earlier tools do not allow a second -install_name on command line 53 DARWIN_VERS := $(shell echo $(TARGET_TRIPLE) | sed 's/.*darwin\([0-9]*\).*/\1/') 54 ifneq ($(DARWIN_VERS),8) 55 LLVMLibsOptions := $(LLVMLibsOptions) \ 56 -Wl,-install_name \ 57 -Wl,"@executable_path/../lib/lib$(LIBRARYNAME)$(SHLIBEXT)" 58 endif 59 endif 60
