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1 ##
2 # Copyright (c) 2013 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
24 #
25 # This unit test verifies that multiple interposing libraries can all
26 # interpose the same function and the result is that they chain together.
27 # That is, each one calls through to the next.
28 #
29 # On Tiger (10.4.0), this test fails with infinite recursion.
30 #
31 # The function foo() does string appends. This allows us to check:
32 # 1) every interposer was called, and 2) they were called in the
33 # correct order.
34 #
35
36 TESTROOT = ../..
37 include ${TESTROOT}/include/common.makefile
38
39 all-check: all check
40
41 check:
42 export DYLD_INSERT_LIBRARIES="libfoo1.dylib:libfoo2.dylib" && ./main
43 export DYLD_INSERT_LIBRARIES="libfoo2.dylib:libfoo1.dylib" && ./main
44
45 all:
46 ${CC} ${CCFLAGS} -dynamiclib base.c -o libbase.dylib
47 ${CC} ${CCFLAGS} -I${TESTROOT}/include main.c libbase.dylib -o main
48 ${CC} ${CCFLAGS} -I${TESTROOT}/include -dynamiclib foo1.c libbase.dylib -o libfoo1.dylib
49 ${CC} ${CCFLAGS} -I${TESTROOT}/include -dynamiclib foo2.c libbase.dylib -o libfoo2.dylib
50
51
52 clean:
53 ${RM} ${RMFLAGS} *~ main libbase.dylib libfoo1.dylib libfoo2.dylib
54