src/llvm/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 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 $(LEVEL)/Makefile.common
  19
  20 ifeq ($(HOST_OS),Darwin)
  21     # Special hack to allow libLTO to have an offset version number.
  22     ifdef LLVM_LTO_VERSION_OFFSET
  23         LTO_LIBRARY_VERSION := $(shell expr $(LLVM_SUBMIT_VERSION) + \
  24                                             $(LLVM_LTO_VERSION_OFFSET))
  25     else
  26         LTO_LIBRARY_VERSION := $(LLVM_SUBMIT_VERSION)
  27     endif
  28
  29     # set dylib internal version number to llvmCore submission number
  30     ifdef LLVM_SUBMIT_VERSION
  31         LLVMLibsOptions := $(LLVMLibsOptions) -Wl,-current_version \
  32                         -Wl,$(LTO_LIBRARY_VERSION).$(LLVM_SUBMIT_SUBVERSION) \
  33                         -Wl,-compatibility_version -Wl,1
  34     endif
  35
  36     # If we're doing an Apple-style build, add the LTO object path.
  37     ifeq ($(RC_XBS),YES)
  38        TempFile        := $(shell mkdir -p ${OBJROOT}/dSYMs ; mktemp ${OBJROOT}/dSYMs/llvm-lto.XXXXXX)
  39        LLVMLibsOptions := $(LLVMLibsOptions) \
  40                           -Wl,-object_path_lto -Wl,$(TempFile)
  41     endif
  42 endif