ld64-134.9/unit-tests/test-cases/tentative-and-archive/Makefile

   1 ##
   2 # Copyright (c) 2008 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 SHELL = bash # use bash shell so we can redirect just stderr
  27
  28
  29 #
  30 # Test how tentative definitions interact with archives
  31 # main.c has a tenative definition for _var which
  32 # should cause libfoo.a(foo.o) to be loaded which in turn
  33 # should cause _bar from libbar.dylib to be used.
  34 #
  35 # <rdar://problem/5779681> ld crashes building XsanFS
  36 # <rdar://problem/5852023> -undefined dynamic_lookup causes spurious extra symbols
  37 # <rdar://problem/5613343> need to search for definitions for common symbols
  38 #
  39
  40 run: all
  41
  42 all:
  43         ${CC} ${CCFLAGS} bar.c -dynamiclib -o libbar.dylib
  44         ${CC} ${CCFLAGS} foo.c -c -o foo.o
  45         libtool -static foo.o -o libfoo.a
  46         ${CC} ${CCFLAGS} main.c libfoo.a libbar.dylib -o main
  47         # verify _foo got pulled in because _var was a tentative in main.o
  48         nm main | grep "_foo" | ${FAIL_IF_EMPTY}
  49         # verify -dead_strip pulls in non-tentative _var from libfoo.a
  50         ${CC} ${CCFLAGS} main.c libfoo.a libbar.dylib -o main -dead_strip
  51         nm -m main | grep "_var" | grep __data | ${FAIL_IF_EMPTY}
  52         # verify dynamic_lookup works and has no duplicate symbols
  53         ${CC} ${CCFLAGS} main.c libfoo.a -o main -undefined dynamic_lookup
  54         nm -m main | grep "looked up" | ${FAIL_IF_EMPTY}
  55         ${PASS_IFF_GOOD_MACHO} main
  56
  57
  58 clean:
  59         rm -rf main libfoo.a foo.o libbar.dylib