/[path-sandbox]/trunk/configure.ac
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trunk/configure.in Revision 29 trunk/configure.ac Revision 232
1AC_PREREQ(2.59) 1AC_PREREQ([2.59])
2AC_INIT(sandbox, 1.1, 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
6# 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
16dnl Next four lines is a hack to prevent libtool checking for CXX/F77
17m4_undefine([AC_PROG_CXX])
18m4_defun([AC_PROG_CXX],[])
19m4_undefine([AC_PROG_F77])
20m4_defun([AC_PROG_F77],[])
15AC_PROG_LIBTOOL 21AC_PROG_LIBTOOL
16 22
17AC_PREFIX_DEFAULT([/usr]) 23AC_PREFIX_DEFAULT([/usr])
18 24
19# Checks for libraries. 25dnl Checks for libraries.
20# Checks for header files. 26dnl Checks for header files.
21AC_FUNC_ALLOCA 27AC_FUNC_ALLOCA
22AC_HEADER_DIRENT 28AC_HEADER_DIRENT
23AC_HEADER_STDC 29AC_HEADER_STDC
24AC_HEADER_SYS_WAIT 30AC_HEADER_SYS_WAIT
25AC_CHECK_HEADERS([ \ 31AC_CHECK_HEADERS([ \
26fcntl.h limits.h memory.h stddef.h \ 32 fcntl.h limits.h memory.h stddef.h \
27stdlib.h string.h strings.h sys/file.h \ 33 stdlib.h string.h strings.h sys/file.h \
28sys/param.h sys/time.h unistd.h utime.h \ 34 sys/param.h sys/time.h unistd.h utime.h \
29]) 35])
30 36
31# Checks for typedefs, structures, and compiler characteristics. 37dnl Checks for typedefs, structures, and compiler characteristics.
32AC_C_CONST 38AC_C_CONST
33AC_TYPE_UID_T 39AC_TYPE_UID_T
34AC_TYPE_MODE_T 40AC_TYPE_MODE_T
35AC_TYPE_SIZE_T 41AC_TYPE_SIZE_T
36AC_CHECK_TYPES([ptrdiff_t]) 42AC_CHECK_TYPES([ptrdiff_t])
37 43
38# Checks for library functions. 44dnl Checks for library functions.
39AC_FUNC_CHOWN 45AC_FUNC_CHOWN
40AC_FUNC_FORK 46AC_FUNC_FORK
41AC_FUNC_LSTAT 47AC_FUNC_LSTAT
42AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK 48AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
43AC_FUNC_MALLOC
44AC_FUNC_REALLOC
45AC_TYPE_SIGNAL 49AC_TYPE_SIGNAL
46AC_FUNC_STAT 50AC_FUNC_STAT
47AC_CHECK_FUNCS([ \ 51AC_CHECK_FUNCS([ \
48bzero ftruncate getcwd lchown memmove \ 52 bzero ftruncate getcwd lchown memmove \
49mempcpy memset mkdir pathconf realpath \ 53 memcpy memset mkdir pathconf realpath \
50rmdir setenv strcasecmp strchr strdup \ 54 rmdir setenv strcasecmp strchr strdup \
51strerror strndup strrchr strspn strstr \ 55 strerror strndup strrchr strspn strstr \
52]) 56])
53 57
54dnl 58dnl Some libc's like those on bsd have dlopen() in libc, and not libdl
55dnl FIXME: the following needs to be made portable 59AC_CHECK_LIB([dl], [dlopen],
56dnl 60 [have_libdl="yes"],
61 [have_libdl="no"]
62)
63if test x"$have_libdl" = xyes ; then
64 LIBDL="-ldl"
65 AC_SUBST([LIBDL])
66 DL_LIB="dl"
67else
68 DL_LIB="c"
69 AC_CHECK_LIB([c], [dlopen],
70 [],
71 [AC_MSG_ERROR([Unable to determine library providing dlopen])]
72 )
73fi
74
75dnl uClibc doesn't currently provide dlvsym() so lets
76dnl verify the toolchain supports it
77AC_CHECK_LIB([$DL_LIB], [dlvsym],
78 [AC_DEFINE([HAVE_DLVSYM], [1], [libdl supports dlvsym])],
79 [AC_DEFINE([HAVE_DLVSYM], [0], [libdl does not support dlvsym])]
80)
57 81
58dnl 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
59dnl libc5, but it's off_t with libc6 (glibc2). 83dnl libc5, but it's off_t with libc6 (glibc2).
60AC_MSG_CHECKING(truncate argument type) 84AC_MSG_CHECKING([truncate argument type])
61if grep -q 'truncate.*size_t' /usr/include/unistd.h ; then 85TRUNC_ARG_TYPE=`echo '#include <unistd.h>' | $CC -E - | grep -q 'truncate.*size_t'`
86if test "$TRUNC_ARG_TYPE"x != x ; then
62 AC_MSG_RESULT(size_t) 87 AC_MSG_RESULT([size_t])
63 AC_DEFINE(TRUNCATE_T, size_t, [truncate arg type]) 88 AC_DEFINE([TRUNCATE_T], [size_t], [truncate arg type])
64else 89else
65 AC_MSG_RESULT(off_t) 90 AC_MSG_RESULT([off_t])
66 AC_DEFINE(TRUNCATE_T, off_t, [truncate arg type]) 91 AC_DEFINE([TRUNCATE_T], [off_t], [truncate arg type])
67fi 92fi
68 93
69AC_MSG_CHECKING(Checking libc version) 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])
115
116dnl we need to handle symbols differently based upon their version,
117dnl but we have to know which symbols the libc supports first
118AC_MSG_CHECKING([libc path])
70echo "int main(void) { return 0; }" > libctest.c 119echo "int main(void) { return 0; }" > libctest.c
71gcc -Wall -o libctest libctest.c 120$CC -Wall -o libctest libctest.c
72LIBC_VERSION=`ldd libctest | grep libc\\.so | grep -v 'ld-uClibc' | ${AWK} '{print $1}'` 121LIBC_PATH=`$CC $CFLAGS -Wl,-verbose -o libctest libctest.c 2>&1 | \
122 $AWK '/attempt to open/ { if (($4 ~ /\/libc\.so/) && ($5 == "succeeded")) LIBC = $4; }; END {print LIBC}'`
123rm -f libctest.c
124if test "$LIBC_PATH"x = x || ! test -r "$LIBC_PATH"; then
125 AC_MSG_ERROR([Unable to determine LIBC PATH])
126fi
127AC_MSG_RESULT([$LIBC_PATH])
128AC_SUBST([LIBC_PATH])
129
130dnl when intercepting libc calls, we have to know the name of the
131dnl libc to load and search with dl*() calls
132AC_MSG_CHECKING([libc version])
133dnl the sed script at the end here looks funny but it's ok ...
134dnl they're m4 escape sequences for left and right brackets
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
73rm -f libctest 139rm -f libctest
74AC_SUBST(LIBC_VERSION)
75AC_MSG_RESULT(${LIBC_VERSION}) 140AC_MSG_RESULT([$LIBC_VERSION])
141AC_DEFINE_UNQUOTED([LIBC_VERSION], ["$LIBC_VERSION"], [name of libc to hook into])
76 142
77AC_OUTPUT([Makefile]) 143dnl check if we have 32bit or 64bit output
144AC_ARG_ENABLE([multilib],
145 AS_HELP_STRING([--enable-multilib],
146 [enable building for multilib setups (default=disabled)]),
147 [enable_multilib="$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])
153fi
154
155AC_OUTPUT([
156 Makefile
157 scripts/Makefile
158 data/Makefile
159 src/Makefile
160])

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