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 # Include this here so we can get the configuration of the targets
  14 # that have been configured for construction. We have to do this
  15 # early so we can set up LINK_COMPONENTS before including Makefile.rules
  16 include $(LEVEL)/Makefile.config
  17
  18 LINK_LIBS_IN_SHARED = 1
  19 SHARED_LIBRARY = 1
  20
  21 LINK_COMPONENTS := $(TARGETS_TO_BUILD) ipo scalaropts linker bitreader bitwriter
  22
  23 include $(LEVEL)/Makefile.common
  24
  25 ifeq ($(OS),Darwin)
  26     # set dylib internal version number to llvmCore submission number
  27     ifdef LLVM_SUBMIT_VERSION
  28         LLVMLibsOptions := $(LLVMLibsOptions) -Wl,-current_version \
  29                         -Wl,$(LLVM_SUBMIT_VERSION).$(LLVM_SUBMIT_SUBVERSION) \
  30                         -Wl,-compatibility_version -Wl,1
  31     endif
  32     # extra options to override libtool defaults
  33     LLVMLibsOptions    := $(LLVMLibsOptions)  \
  34                          -avoid-version \
  35                          -Wl,-exported_symbols_list -Wl,$(PROJ_SRC_DIR)/lto.exports \
  36                          -Wl,-dead_strip \
  37                          -Wl,-seg1addr -Wl,0xE0000000
  38
  39     # Mac OS X 10.4 and earlier tools do not allow a second -install_name on command line
  40     DARWIN_VERS := $(shell echo $(TARGET_TRIPLE) | sed 's/.*darwin\([0-9]*\).*/\1/')
  41     ifneq ($(DARWIN_VERS),8)
  42        LLVMLibsOptions    := $(LLVMLibsOptions)  \
  43                             -no-undefined -Wl,-install_name \
  44                             -Wl,"@executable_path/../lib/lib$(LIBRARYNAME)$(SHLIBEXT)"
  45     endif
  46 endif