/[path-sandbox]/trunk/configure.ac
Gentoo

Diff of /trunk/configure.ac

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

Revision 232 Revision 254
1AC_PREREQ([2.59]) 1AC_PREREQ([2.59])
2AC_INIT([sandbox], [1.2.17], [sandbox@gentoo.org]) 2AC_INIT([sandbox], [1.2.18.1], [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]) 12AC_CHECK_PROGS([READELF], [readelf eu-readelf], [false])
13 13
14AC_ENABLE_SHARED 14AC_ENABLE_SHARED
15AC_DISABLE_STATIC 15AC_DISABLE_STATIC
16dnl 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
17m4_undefine([AC_PROG_CXX]) 17m4_undefine([AC_PROG_CXX])
27AC_FUNC_ALLOCA 27AC_FUNC_ALLOCA
28AC_HEADER_DIRENT 28AC_HEADER_DIRENT
29AC_HEADER_STDC 29AC_HEADER_STDC
30AC_HEADER_SYS_WAIT 30AC_HEADER_SYS_WAIT
31AC_CHECK_HEADERS([ \ 31AC_CHECK_HEADERS([ \
32 fcntl.h limits.h memory.h stddef.h \ 32 fcntl.h limits.h memory.h stddef.h \
33 stdlib.h string.h strings.h sys/file.h \ 33 stdlib.h string.h strings.h sys/file.h \
34 sys/param.h sys/time.h unistd.h utime.h \ 34 sys/param.h sys/time.h unistd.h utime.h \
35]) 35])
36 36
37dnl Checks for typedefs, structures, and compiler characteristics. 37dnl Checks for typedefs, structures, and compiler characteristics.
38AC_C_CONST 38AC_C_CONST
39AC_TYPE_UID_T 39AC_TYPE_UID_T
47AC_FUNC_LSTAT 47AC_FUNC_LSTAT
48AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK 48AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
49AC_TYPE_SIGNAL 49AC_TYPE_SIGNAL
50AC_FUNC_STAT 50AC_FUNC_STAT
51AC_CHECK_FUNCS([ \ 51AC_CHECK_FUNCS([ \
52 bzero ftruncate getcwd lchown memmove \ 52 bzero ftruncate getcwd lchown memmove \
53 memcpy memset mkdir pathconf realpath \ 53 memcpy memset mkdir pathconf realpath \
54 rmdir setenv strcasecmp strchr strdup \ 54 rmdir setenv strcasecmp strchr strdup \
55 strerror strndup strrchr strspn strstr \ 55 strerror strndup strrchr strspn strstr \
56 strtok_r \
56]) 57])
58
59dnl Verify people aren't doing stupid shit
60if test x"$enable_static" != xno ; then
61 AC_MSG_ERROR([dont be a Kumba, building a libsandbox.a is stupid])
62fi
63if test x"$enable_shared" != xyes ; then
64 AC_MSG_ERROR([dont be a Kumba, omitting a libsandbox.so is stupid])
65fi
66if echo $CFLAGS | $EGREP -e -static >/dev/null 2>&1; then
67 AC_MSG_ERROR([dont be a Kumba, using -static in CFLAGS is stupid])
68fi
69if echo $LDFLAGS | $EGREP -e -static >/dev/null 2>&1; then
70 AC_MSG_ERROR([dont be a Kumba, using -static in LDFLAGS is stupid])
71fi
57 72
58dnl Some libc's like those on bsd have dlopen() in libc, and not libdl 73dnl Some libc's like those on bsd have dlopen() in libc, and not libdl
59AC_CHECK_LIB([dl], [dlopen], 74AC_CHECK_LIB([dl], [dlopen],
60 [have_libdl="yes"], 75 [have_libdl="yes"],
61 [have_libdl="no"] 76 [have_libdl="no"]
62) 77)
63if test x"$have_libdl" = xyes ; then 78if test x"$have_libdl" = xyes ; then
64 LIBDL="-ldl" 79 LIBDL="-ldl"
65 AC_SUBST([LIBDL]) 80 AC_SUBST([LIBDL])
66 DL_LIB="dl" 81 DL_LIB="dl"
67else 82else
68 DL_LIB="c" 83 DL_LIB="c"
69 AC_CHECK_LIB([c], [dlopen], 84 AC_CHECK_LIB([c], [dlopen],
70 [], 85 [],
71 [AC_MSG_ERROR([Unable to determine library providing dlopen])] 86 [AC_MSG_ERROR([Unable to determine library providing dlopen])]
72 ) 87 )
73fi 88fi
74 89
75dnl uClibc doesn't currently provide dlvsym() so lets 90dnl uClibc doesn't currently provide dlvsym() so lets
76dnl verify the toolchain supports it 91dnl verify the toolchain supports it
77AC_CHECK_LIB([$DL_LIB], [dlvsym], 92AC_CHECK_LIB([$DL_LIB], [dlvsym],
78 [AC_DEFINE([HAVE_DLVSYM], [1], [libdl supports dlvsym])], 93 [AC_DEFINE([HAVE_DLVSYM], [1], [libdl supports dlvsym])],
79 [AC_DEFINE([HAVE_DLVSYM], [0], [libdl does not support dlvsym])] 94 [AC_DEFINE([HAVE_DLVSYM], [0], [libdl does not support dlvsym])]
80) 95)
81 96
82dnl when using libc5, (f)trucate's offset argument type is size_t with 97dnl when using libc5, (f)trucate's offset argument type is size_t with
83dnl libc5, but it's off_t with libc6 (glibc2). 98dnl libc5, but it's off_t with libc6 (glibc2).
84AC_MSG_CHECKING([truncate argument type]) 99AC_MSG_CHECKING([truncate argument type])
85TRUNC_ARG_TYPE=`echo '#include <unistd.h>' | $CC -E - | grep -q 'truncate.*size_t'` 100TRUNC_ARG_TYPE=`echo '#include <unistd.h>' | $CC -E - | grep -q 'truncate.*size_t'`
86if test "$TRUNC_ARG_TYPE"x != x ; then 101if test "$TRUNC_ARG_TYPE"x != x ; then
87 AC_MSG_RESULT([size_t]) 102 AC_MSG_RESULT([size_t])
88 AC_DEFINE([TRUNCATE_T], [size_t], [truncate arg type]) 103 AC_DEFINE([TRUNCATE_T], [size_t], [truncate arg type])
89else 104else
90 AC_MSG_RESULT([off_t]) 105 AC_MSG_RESULT([off_t])
91 AC_DEFINE([TRUNCATE_T], [off_t], [truncate arg type]) 106 AC_DEFINE([TRUNCATE_T], [off_t], [truncate arg type])
92fi 107fi
93 108
94dnl Check if libc provides RTLD_NEXT 109dnl Check if libc provides RTLD_NEXT
95AC_MSG_CHECKING([for RTLD_NEXT]) 110AC_MSG_CHECKING([for RTLD_NEXT])
96AC_TRY_COMPILE([ 111AC_TRY_COMPILE([
97#define _GNU_SOURCE 112 #define _GNU_SOURCE
98#include <dlfcn.h> 113 #include <dlfcn.h>
99], [ 114 ], [
100#if !defined(RTLD_NEXT) 115 #if !defined(RTLD_NEXT)
101# error no RTLD_NEXT 116 # error no RTLD_NEXT
102#endif 117 #endif
103 118 ],
104int
105main (void)
106{
107 return 0;
108}
109],
110 [have_rtld_next="yes"], 119 [have_rtld_next="yes"],
111 [have_rtld_next="no"] 120 [have_rtld_next="no"]
112) 121)
113AC_MSG_RESULT([$have_rtld_next]) 122AC_MSG_RESULT([$have_rtld_next])
114AM_CONDITIONAL([HAVE_RTLD_NEXT], [test x"$have_rtld_next" = xyes]) 123if test x"$have_rtld_next" = xyes ; then
124 AC_DEFINE([HAVE_RTLD_NEXT], [1], [Have RTLD_NEXT enabled libc])
125fi
115 126
116dnl we need to handle symbols differently based upon their version, 127dnl we need to handle symbols differently based upon their version,
117dnl but we have to know which symbols the libc supports first 128dnl but we have to know which symbols the libc supports first
118AC_MSG_CHECKING([libc path]) 129AC_MSG_CHECKING([libc path])
119echo "int main(void) { return 0; }" > libctest.c 130echo "int main(void) { return 0; }" > libctest.c
120$CC -Wall -o libctest libctest.c
121LIBC_PATH=`$CC $CFLAGS -Wl,-verbose -o libctest libctest.c 2>&1 | \ 131$CC $CFLAGS -Wl,-verbose -o libctest libctest.c &> libctest.log
132cat libctest.log 1>&AS_MESSAGE_LOG_FD
122 $AWK '/attempt to open/ { if (($4 ~ /\/libc\.so/) && ($5 == "succeeded")) LIBC = $4; }; END {print LIBC}'` 133LIBC_PATH=`$AWK '/attempt to open/ { if (($4 ~ /\/libc\.so/) && ($5 == "succeeded")) LIBC = $4; }; END {print LIBC}' libctest.log`
123rm -f libctest.c 134rm -f libctest*
124if test "$LIBC_PATH"x = x || ! test -r "$LIBC_PATH"; then 135if test x"$LIBC_PATH" = x || ! test -r "$LIBC_PATH" ; then
125 AC_MSG_ERROR([Unable to determine LIBC PATH]) 136 AC_MSG_ERROR([Unable to determine LIBC PATH ($LIBC_PATH)])
126fi 137fi
127AC_MSG_RESULT([$LIBC_PATH]) 138AC_MSG_RESULT([$LIBC_PATH])
128AC_SUBST([LIBC_PATH]) 139AC_SUBST([LIBC_PATH])
129 140
130dnl when intercepting libc calls, we have to know the name of the 141dnl when intercepting libc calls, we have to know the name of the
131dnl libc to load and search with dl*() calls 142dnl libc to load and search with dl*() calls
132AC_MSG_CHECKING([libc version]) 143AC_MSG_CHECKING([libc version])
133dnl the sed script at the end here looks funny but it's ok ... 144dnl the sed script at the end here looks funny but it's ok ...
134dnl they're m4 escape sequences for left and right brackets 145dnl they're m4 escape sequences for left and right brackets
146echo "int main(void) { return 0; }" > libctest.c
147$CC -Wall -o libctest libctest.c
135LIBC_VERSION=`readelf -d libctest | grep NEEDED.*libc\\.so | $AWK '{print $NF}' | sed -e 's:\@<:@::' -e 's:\@:>@::'` 148LIBC_VERSION=`readelf -d libctest | grep NEEDED.*libc\\.so | $AWK '{print $NF}' | sed -e 's:\@<:@::' -e 's:\@:>@::'`
149rm -f libctest*
136if test "$LIBC_VERSION"x = x ; then 150if test "$LIBC_VERSION"x = x ; then
137 AC_MSG_ERROR([Unable to determine LIBC VERSION]) 151 AC_MSG_ERROR([Unable to determine LIBC VERSION])
138fi 152fi
139rm -f libctest
140AC_MSG_RESULT([$LIBC_VERSION]) 153AC_MSG_RESULT([$LIBC_VERSION])
141AC_DEFINE_UNQUOTED([LIBC_VERSION], ["$LIBC_VERSION"], [name of libc to hook into]) 154AC_DEFINE_UNQUOTED([LIBC_VERSION], ["$LIBC_VERSION"], [Name of libc to hook into])
142 155
143dnl check if we have 32bit or 64bit output 156dnl check if we have 32bit or 64bit output
144AC_ARG_ENABLE([multilib], 157AC_ARG_ENABLE([multilib],
145 AS_HELP_STRING([--enable-multilib], 158 AS_HELP_STRING([--enable-multilib],
146 [enable building for multilib setups (default=disabled)]), 159 [enable building for multilib setups (default=disabled)]),
147 [enable_multilib="$enableval"], 160 [enable_multilib="$enableval"],
148 [enable_multilib="no"] 161 [enable_multilib="no"]
149) 162)
150 163
151if test x"$enable_multilib" != xno ; then 164if test x"$enable_multilib" != xno ; then
152 AC_DEFINE_UNQUOTED([SB_HAVE_MULTILIB], [1], [have multilib enabled system]) 165 AC_DEFINE([SB_HAVE_MULTILIB], [1], [Have multilib enabled system])
153fi 166fi
154 167
155AC_OUTPUT([ 168AC_OUTPUT([
156 Makefile 169 Makefile
157 scripts/Makefile 170 scripts/Makefile
158 data/Makefile 171 data/Makefile
159 src/Makefile 172 src/Makefile
160]) 173])

Legend:
Removed from v.232  
changed lines
  Added in v.254

  ViewVC Help
Powered by ViewVC 1.1.20