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 \
  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