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Contents of /trunk/configure.ac

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Revision 56 - (hide annotations) (download)
Thu Apr 28 23:43:32 2005 UTC (8 years, 11 months ago) by azarah
Original Path: trunk/configure.in
File MIME type: text/plain
File size: 2706 byte(s)
Do not check for (*&#$(* CXX or F77.

1 ferringb 2 AC_PREREQ(2.59)
2 azarah 48 AC_INIT(sandbox, 1.2.2, dev-portage@gentoo.org)
3 ferringb 2 AM_INIT_AUTOMAKE
4 ferringb 16 AC_CONFIG_HEADER([config.h])
5 ferringb 2
6     # Checks for programs.
7     AC_PROG_CC
8 azarah 29 AC_ISC_POSIX
9     AC_PROG_INSTALL
10     AC_PROG_MAKE_SET
11     AC_PROG_AWK
12    
13 vapier 21 AC_ENABLE_SHARED
14     AC_DISABLE_STATIC
15 azarah 56 m4_undefine([AC_PROG_CXX])
16     m4_defun([AC_PROG_CXX],[])
17     m4_undefine([AC_PROG_F77])
18     m4_defun([AC_PROG_F77],[])
19 ferringb 2 AC_PROG_LIBTOOL
20    
21     AC_PREFIX_DEFAULT([/usr])
22 azarah 29
23 ferringb 2 # Checks for libraries.
24     # Checks for header files.
25     AC_FUNC_ALLOCA
26     AC_HEADER_DIRENT
27     AC_HEADER_STDC
28     AC_HEADER_SYS_WAIT
29 vapier 21 AC_CHECK_HEADERS([ \
30     fcntl.h limits.h memory.h stddef.h \
31     stdlib.h string.h strings.h sys/file.h \
32     sys/param.h sys/time.h unistd.h utime.h \
33     ])
34 ferringb 2
35     # Checks for typedefs, structures, and compiler characteristics.
36     AC_C_CONST
37     AC_TYPE_UID_T
38     AC_TYPE_MODE_T
39     AC_TYPE_SIZE_T
40     AC_CHECK_TYPES([ptrdiff_t])
41    
42     # Checks for library functions.
43     AC_FUNC_CHOWN
44     AC_FUNC_FORK
45     AC_FUNC_LSTAT
46     AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
47     AC_FUNC_MALLOC
48     AC_FUNC_REALLOC
49     AC_TYPE_SIGNAL
50     AC_FUNC_STAT
51 vapier 21 AC_CHECK_FUNCS([ \
52     bzero ftruncate getcwd lchown memmove \
53     mempcpy memset mkdir pathconf realpath \
54     rmdir setenv strcasecmp strchr strdup \
55     strerror strndup strrchr strspn strstr \
56     ])
57 ferringb 2
58 vapier 23 dnl when using libc5, (f)trucate's offset argument type is size_t with
59     dnl libc5, but it's off_t with libc6 (glibc2).
60     AC_MSG_CHECKING(truncate argument type)
61 vapier 53 if echo '#include <unistd.h>' | $CC -E - | grep -q 'truncate.*size_t' ; then
62 vapier 23 AC_MSG_RESULT(size_t)
63     AC_DEFINE(TRUNCATE_T, size_t, [truncate arg type])
64     else
65     AC_MSG_RESULT(off_t)
66     AC_DEFINE(TRUNCATE_T, off_t, [truncate arg type])
67     fi
68    
69 vapier 53 dnl we need to handle symbols differently based upon their version,
70     dnl but we have to know which symbols the libc supports first
71     AC_MSG_CHECKING(libc path)
72 vapier 23 echo "int main(void) { return 0; }" > libctest.c
73 vapier 53 $CC -Wall -o libctest libctest.c
74     LIBC_PATH=`$CC $CFLAGS -Wl,-verbose -o libctest libctest.c 2>&1 | \
75 vapier 55 $AWK '/attempt to open/ { if (($4 ~ /libc\.so/) && ($5 == "succeeded")) LIBC = $4; }; END {print LIBC}'`
76 vapier 53 if test "$LIBC_PATH"x = x ; then
77     AC_MSG_ERROR(Unable to determine LIBC PATH)
78     fi
79     AC_MSG_RESULT($LIBC_PATH)
80 ferringb 33 AC_SUBST(LIBC_PATH)
81 vapier 23
82 vapier 53 dnl when intercepting libc calls, we have to know the name of the
83     dnl libc to load and search with dl*() calls
84     AC_MSG_CHECKING(libc version)
85     dnl the sed script at the end here looks funny but it's ok ...
86     dnl they're m4 escape sequences for left and right brackets
87     LIBC_VERSION=`readelf -d libctest | grep NEEDED.*libc\\.so | $AWK '{print $NF}' | sed -e 's:\@<:@::' -e 's:\@:>@::'`
88     if test "$LIBC_VERSION"x = x ; then
89     AC_MSG_ERROR(Unable to determine LIBC VERSION)
90     fi
91     AC_MSG_RESULT($LIBC_VERSION)
92     AC_DEFINE_UNQUOTED(LIBC_VERSION, "$LIBC_VERSION", [name of libc to hook into])
93     rm -f libctest
94    
95 vapier 21 AC_OUTPUT([Makefile])

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