tools/lto/Makefile

   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 bitwriter
  24
  25 include $(LEVEL)/Makefile.common
  26
  27 ifdef LLVM_VERSION_INFO
  28 CXX.Flags += -DLLVM_VERSION_INFO='"$(LLVM_VERSION_INFO)"'
  29 endif
  30
  31 ifeq ($(HOST_OS),Darwin)
  32     # Special hack to allow libLTO to have an offset version number.
  33     ifdef LLVM_LTO_VERSION_OFFSET
  34         LTO_LIBRARY_VERSION := $(shell expr $(LLVM_SUBMIT_VERSION) + \
  35                                             $(LLVM_LTO_VERSION_OFFSET))
  36     else
  37         LTO_LIBRARY_VERSION := $(LLVM_SUBMIT_VERSION)
  38     endif
  39
  40     # set dylib internal version number to llvmCore submission number
  41     ifdef LLVM_SUBMIT_VERSION
  42         LLVMLibsOptions := $(LLVMLibsOptions) -Wl,-current_version \
  43                         -Wl,$(LTO_LIBRARY_VERSION).$(LLVM_SUBMIT_SUBVERSION) \
  44                         -Wl,-compatibility_version -Wl,1
  45     endif
  46     # extra options to override libtool defaults
  47     LLVMLibsOptions    := $(LLVMLibsOptions)  \
  48                          -Wl,-dead_strip \
  49                          -Wl,-seg1addr -Wl,0xE0000000
  50
  51     # Mac OS X 10.4 and earlier tools do not allow a second -install_name on command line
  52     DARWIN_VERS := $(shell echo $(TARGET_TRIPLE) | sed 's/.*darwin\([0-9]*\).*/\1/')
  53     ifneq ($(DARWIN_VERS),8)
  54        LLVMLibsOptions    := $(LLVMLibsOptions)  \
  55                             -Wl,-install_name \
  56                             -Wl,"@executable_path/../lib/lib$(LIBRARYNAME)$(SHLIBEXT)"
  57     endif
  58 endif