unit-tests/test-cases/lto-dylib-export_list/Makefile

   1 ##
   2 # Copyright (c) 2012 Apple Inc. All rights reserved.
   3 #
   4 # @APPLE_LICENSE_HEADER_START@
   5 #
   6 # This file contains Original Code and/or Modifications of Original Code
   7 # as defined in and that are subject to the Apple Public Source License
   8 # Version 2.0 (the 'License'). You may not use this file except in
   9 # compliance with the License. Please obtain a copy of the License at
  10 # http://www.opensource.apple.com/apsl/ and read it before using this
  11 # file.
  12 #
  13 # The Original Code and all software distributed under the License are
  14 # distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15 # EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16 # INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17 # FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18 # Please see the License for the specific language governing rights and
  19 # limitations under the License.
  20 #
  21 # @APPLE_LICENSE_HEADER_END@
  22 ##
  23 TESTROOT = ../..
  24 include ${TESTROOT}/include/common.makefile
  25
  26 #
  27 # <rdar://problem/12386559> clang built with LTO has verification errors
  28 #
  29 # LTO on coalesced away symbols can cause weak symbols to be exported
  30 # in spite of -exported_symbols_list.
  31 #
  32
  33 run: all
  34
  35 all:
  36         ${CXX} ${CXXFLAGS} -flto foo.cxx -c -o foo.o
  37         ${CXX} ${CXXFLAGS} -flto bar.cxx -c -o bar.o
  38         ${CC} ${CCFLAGS} foo.o bar.o -dynamiclib -o libfoo.dylib -exported_symbols_list foo.exp
  39         nm -m libfoo.dylib | grep "weak external" | ${FAIL_IF_STDIN}
  40         ${PASS_IFF_GOOD_MACHO} libfoo.dylib
  41
  42 clean:
  43         rm -rf foo.o bar.o libfoo.dylib