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

   1 ##
   2 # Copyright (c) 2011 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 _foo which
  32 # should cause libfoo_data.a to be loaded, but not libfoo_tent.a
  33 # nor libfoo_code.a.
  34 #
  35 # <rdar://problem/7890410> Snow Leopard linker bug with common symbols
  36 #
  37
  38 run: all
  39
  40 all:
  41         ${CC} ${CCFLAGS} junk.c -c -o junk.o
  42         # verify data symbol does get pulled in
  43         ${CC} ${CCFLAGS} foo_data.c -c -o foo_data.o
  44         libtool -static junk.o foo_data.o -o libfoo_data.a
  45         ${CC} ${CCFLAGS} main.c libfoo_data.a -o main_data
  46         nm -m main_data | grep _foo | grep __TEXT | ${FAIL_IF_STDIN}
  47         # verify tentative does not
  48         ${CC} ${CCFLAGS} foo_tent.c -c -o foo_tent.o
  49         libtool -static junk.o foo_tent.o -o libfoo_tent.a
  50         ${CC} ${CCFLAGS} main.c libfoo_tent.a -o main_tent
  51         nm -m main_tent | grep _foo | grep __TEXT | ${FAIL_IF_STDIN}
  52         # verify code does not
  53         ${CC} ${CCFLAGS} foo_code.c -c -o foo_code.o
  54         libtool -static junk.o foo_code.o -o libfoo_code.a
  55         ${CC} ${CCFLAGS} main.c libfoo_code.a -o main_code
  56         nm -m main_code | grep _foo | grep __TEXT | ${FAIL_IF_STDIN}
  57         # verify warning when code force to override tent
  58         #${CC} ${CCFLAGS} main.c -Wl,-force_load,libfoo_code.a -o main_code_force 2>main_code_force_warnings.txt
  59         #grep warning main_code_force_warnings.txt | ${FAIL_IF_EMPTY}
  60         ${PASS_IFF_GOOD_MACHO} main_code
  61
  62 clean:
  63         rm -rf junk.o foo_data.o libfoo_data.a main_data foo_tent.o libfoo_tent.a main_tent foo_code.o libfoo_code.a main_code main_code_force main_code_force_warnings.txt
  64