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 10LEVEL = ../.. 11LIBRARYNAME = LTO 12 13EXPORTED_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 18include $(LEVEL)/Makefile.config 19 20LINK_LIBS_IN_SHARED = 1 21SHARED_LIBRARY = 1 22 23LINK_COMPONENTS := $(TARGETS_TO_BUILD) ipo scalaropts linker bitreader \ 24 bitwriter mcdisassembler 25 26include $(LEVEL)/Makefile.common 27 28ifdef LLVM_VERSION_INFO 29CXX.Flags += -DLLVM_VERSION_INFO='"$(LLVM_VERSION_INFO)"' 30endif 31 32ifeq ($(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 59endif 60