/[path-sandbox]/trunk/configure.ac
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trunk/configure.in Revision 75 trunk/configure.ac Revision 232
1AC_PREREQ(2.59) 1AC_PREREQ([2.59])
2AC_INIT(sandbox, 1.2.5, dev-portage@gentoo.org) 2AC_INIT([sandbox], [1.2.17], [sandbox@gentoo.org])
3AM_INIT_AUTOMAKE 3AM_INIT_AUTOMAKE
4AC_CONFIG_HEADER([config.h]) 4AC_CONFIG_HEADER([config.h])
5 5
6dnl Checks for programs. 6dnl Checks for programs.
7AC_PROG_CC 7AC_PROG_CC
8AC_ISC_POSIX 8AC_ISC_POSIX
9AC_PROG_INSTALL 9AC_PROG_INSTALL
10AC_PROG_MAKE_SET 10AC_PROG_MAKE_SET
11AC_PROG_AWK 11AC_PROG_AWK
12AC_CHECK_PROGS([READELF], [readelf], [false])
12 13
13AC_ENABLE_SHARED 14AC_ENABLE_SHARED
14AC_DISABLE_STATIC 15AC_DISABLE_STATIC
15dnl Next four lines is a hack to prevent libtool checking for CXX/F77 16dnl Next four lines is a hack to prevent libtool checking for CXX/F77
16m4_undefine([AC_PROG_CXX]) 17m4_undefine([AC_PROG_CXX])
… …
26AC_FUNC_ALLOCA 27AC_FUNC_ALLOCA
27AC_HEADER_DIRENT 28AC_HEADER_DIRENT
28AC_HEADER_STDC 29AC_HEADER_STDC
29AC_HEADER_SYS_WAIT 30AC_HEADER_SYS_WAIT
30AC_CHECK_HEADERS([ \ 31AC_CHECK_HEADERS([ \
31fcntl.h limits.h memory.h stddef.h \ 32 fcntl.h limits.h memory.h stddef.h \
32stdlib.h string.h strings.h sys/file.h \ 33 stdlib.h string.h strings.h sys/file.h \
33sys/param.h sys/time.h unistd.h utime.h \ 34 sys/param.h sys/time.h unistd.h utime.h \
34]) 35])
35 36
36dnl Checks for typedefs, structures, and compiler characteristics. 37dnl Checks for typedefs, structures, and compiler characteristics.
37AC_C_CONST 38AC_C_CONST
38AC_TYPE_UID_T 39AC_TYPE_UID_T
… …
43dnl Checks for library functions. 44dnl Checks for library functions.
44AC_FUNC_CHOWN 45AC_FUNC_CHOWN
45AC_FUNC_FORK 46AC_FUNC_FORK
46AC_FUNC_LSTAT 47AC_FUNC_LSTAT
47AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK 48AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
48AC_FUNC_MALLOC
49AC_FUNC_REALLOC
50AC_TYPE_SIGNAL 49AC_TYPE_SIGNAL
51AC_FUNC_STAT 50AC_FUNC_STAT
52AC_CHECK_FUNCS([ \ 51AC_CHECK_FUNCS([ \
53bzero ftruncate getcwd lchown memmove \ 52 bzero ftruncate getcwd lchown memmove \
54mempcpy memset mkdir pathconf realpath \ 53 memcpy memset mkdir pathconf realpath \
55rmdir setenv strcasecmp strchr strdup \ 54 rmdir setenv strcasecmp strchr strdup \
56strerror strndup strrchr strspn strstr \ 55 strerror strndup strrchr strspn strstr \
57]) 56])
57
58dnl Some libc's like those on bsd have dlopen() in libc, and not libdl
59AC_CHECK_LIB([dl], [dlopen],
60 [have_libdl="yes"],
61 [have_libdl="no"]
62)
63if test x"$have_libdl" = xyes ; then
64 LIBDL="-ldl"
65 AC_SUBST([LIBDL])
66 DL_LIB="dl"
67else
68 DL_LIB="c"
69 AC_CHECK_LIB([c], [dlopen],
70 [],
71 [AC_MSG_ERROR([Unable to determine library providing dlopen])]
72 )
73fi
58 74
59dnl uClibc doesn't currently provide dlvsym() so lets 75dnl uClibc doesn't currently provide dlvsym() so lets
60dnl verify the toolchain supports it 76dnl verify the toolchain supports it
61AC_CHECK_LIB(dl, dlvsym, 77AC_CHECK_LIB([$DL_LIB], [dlvsym],
62 [AC_DEFINE(HAVE_DLVSYM, 1, [libdl supports dlvsym])], 78 [AC_DEFINE([HAVE_DLVSYM], [1], [libdl supports dlvsym])],
63 [AC_DEFINE(HAVE_DLVSYM, 0, [libdl does not support dlvsym])] 79 [AC_DEFINE([HAVE_DLVSYM], [0], [libdl does not support dlvsym])]
64) 80)
65 81
66dnl when using libc5, (f)trucate's offset argument type is size_t with 82dnl when using libc5, (f)trucate's offset argument type is size_t with
67dnl libc5, but it's off_t with libc6 (glibc2). 83dnl libc5, but it's off_t with libc6 (glibc2).
68AC_MSG_CHECKING(truncate argument type) 84AC_MSG_CHECKING([truncate argument type])
69if echo '#include <unistd.h>' | $CC -E - | grep -q 'truncate.*size_t' ; then 85TRUNC_ARG_TYPE=`echo '#include <unistd.h>' | $CC -E - | grep -q 'truncate.*size_t'`
86if test "$TRUNC_ARG_TYPE"x != x ; then
70 AC_MSG_RESULT(size_t) 87 AC_MSG_RESULT([size_t])
71 AC_DEFINE(TRUNCATE_T, size_t, [truncate arg type]) 88 AC_DEFINE([TRUNCATE_T], [size_t], [truncate arg type])
72else 89else
73 AC_MSG_RESULT(off_t) 90 AC_MSG_RESULT([off_t])
74 AC_DEFINE(TRUNCATE_T, off_t, [truncate arg type]) 91 AC_DEFINE([TRUNCATE_T], [off_t], [truncate arg type])
75fi 92fi
93
94dnl Check if libc provides RTLD_NEXT
95AC_MSG_CHECKING([for RTLD_NEXT])
96AC_TRY_COMPILE([
97#define _GNU_SOURCE
98#include <dlfcn.h>
99], [
100#if !defined(RTLD_NEXT)
101# error no RTLD_NEXT
102#endif
103
104int
105main (void)
106{
107 return 0;
108}
109],
110 [have_rtld_next="yes"],
111 [have_rtld_next="no"]
112)
113AC_MSG_RESULT([$have_rtld_next])
114AM_CONDITIONAL([HAVE_RTLD_NEXT], [test x"$have_rtld_next" = xyes])
76 115
77dnl we need to handle symbols differently based upon their version, 116dnl we need to handle symbols differently based upon their version,
78dnl but we have to know which symbols the libc supports first 117dnl but we have to know which symbols the libc supports first
79AC_MSG_CHECKING(libc path) 118AC_MSG_CHECKING([libc path])
80echo "int main(void) { return 0; }" > libctest.c 119echo "int main(void) { return 0; }" > libctest.c
81$CC -Wall -o libctest libctest.c 120$CC -Wall -o libctest libctest.c
82LIBC_PATH=`$CC $CFLAGS -Wl,-verbose -o libctest libctest.c 2>&1 | \ 121LIBC_PATH=`$CC $CFLAGS -Wl,-verbose -o libctest libctest.c 2>&1 | \
83 $AWK '/attempt to open/ { if (($4 ~ /libc\.so/) && ($5 == "succeeded")) LIBC = $4; }; END {print LIBC}'` 122 $AWK '/attempt to open/ { if (($4 ~ /\/libc\.so/) && ($5 == "succeeded")) LIBC = $4; }; END {print LIBC}'`
84rm -f libctest.c 123rm -f libctest.c
85if test "$LIBC_PATH"x = x ; then 124if test "$LIBC_PATH"x = x || ! test -r "$LIBC_PATH"; then
86 AC_MSG_ERROR(Unable to determine LIBC PATH) 125 AC_MSG_ERROR([Unable to determine LIBC PATH])
87fi 126fi
88AC_MSG_RESULT($LIBC_PATH) 127AC_MSG_RESULT([$LIBC_PATH])
89AC_SUBST(LIBC_PATH) 128AC_SUBST([LIBC_PATH])
90 129
91dnl when intercepting libc calls, we have to know the name of the 130dnl when intercepting libc calls, we have to know the name of the
92dnl libc to load and search with dl*() calls 131dnl libc to load and search with dl*() calls
93AC_MSG_CHECKING(libc version) 132AC_MSG_CHECKING([libc version])
94dnl the sed script at the end here looks funny but it's ok ... 133dnl the sed script at the end here looks funny but it's ok ...
95dnl they're m4 escape sequences for left and right brackets 134dnl they're m4 escape sequences for left and right brackets
96LIBC_VERSION=`readelf -d libctest | grep NEEDED.*libc\\.so | $AWK '{print $NF}' | sed -e 's:\@<:@::' -e 's:\@:>@::'` 135LIBC_VERSION=`readelf -d libctest | grep NEEDED.*libc\\.so | $AWK '{print $NF}' | sed -e 's:\@<:@::' -e 's:\@:>@::'`
136if test "$LIBC_VERSION"x = x ; then
137 AC_MSG_ERROR([Unable to determine LIBC VERSION])
138fi
97rm -f libctest 139rm -f libctest
98if test "$LIBC_VERSION"x = x ; then 140AC_MSG_RESULT([$LIBC_VERSION])
99 AC_MSG_ERROR(Unable to determine LIBC VERSION) 141AC_DEFINE_UNQUOTED([LIBC_VERSION], ["$LIBC_VERSION"], [name of libc to hook into])
142
143dnl check if we have 32bit or 64bit output
144AC_ARG_ENABLE([multilib],
145 AS_HELP_STRING([--enable-multilib],
146 [enable building for multilib setups (default=disabled)]),
147 [enable_multilib="$enableval"],
148 [enable_multilib="no"]
149)
150
151if test x"$enable_multilib" != xno ; then
152 AC_DEFINE_UNQUOTED([SB_HAVE_MULTILIB], [1], [have multilib enabled system])
100fi 153fi
101AC_MSG_RESULT($LIBC_VERSION)
102AC_DEFINE_UNQUOTED(LIBC_VERSION, "$LIBC_VERSION", [name of libc to hook into])
103 154
104AC_OUTPUT([Makefile]) 155AC_OUTPUT([
156 Makefile
157 scripts/Makefile
158 data/Makefile
159 src/Makefile
160])
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