/[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 377
1AC_PREREQ([2.59]) 1AC_PREREQ([2.61])
2AC_INIT([sandbox], [1.2.17], [sandbox@gentoo.org]) 2AC_INIT([sandbox], [1.3.0], [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])
26dnl Checks for header files. 26dnl Checks for header files.
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_ONCE([ \
32 fcntl.h limits.h memory.h stddef.h \ 32 dirent.h \
33 stdlib.h string.h strings.h sys/file.h \ 33 dlfcn.h \
34 sys/param.h sys/time.h unistd.h utime.h \ 34 errno.h \
35 fcntl.h \
36 libgen.h \
37 limits.h \
38 memory.h \
39 signal.h \
40 stdarg.h \
41 stddef.h \
42 stdio.h \
43 stdlib.h \
44 string.h \
45 strings.h \
46 unistd.h \
47 utime.h \
48 sys/file.h \
49 sys/mman.h \
50 sys/param.h \
51 sys/stat.h \
52 sys/time.h \
53 sys/types.h \
54 sys/wait.h \
35]) 55])
36 56
37dnl Checks for typedefs, structures, and compiler characteristics. 57dnl Checks for typedefs, structures, and compiler characteristics.
38AC_C_CONST 58AC_C_CONST
39AC_TYPE_UID_T 59AC_TYPE_UID_T
51AC_CHECK_FUNCS([ \ 71AC_CHECK_FUNCS([ \
52 bzero ftruncate getcwd lchown memmove \ 72 bzero ftruncate getcwd lchown memmove \
53 memcpy memset mkdir pathconf realpath \ 73 memcpy memset mkdir pathconf realpath \
54 rmdir setenv strcasecmp strchr strdup \ 74 rmdir setenv strcasecmp strchr strdup \
55 strerror strndup strrchr strspn strstr \ 75 strerror strndup strrchr strspn strstr \
76 strtok_r \
56]) 77])
78dnl For librcutil
79AC_CHECK_FUNCS([remove])
80
81dnl Check if gcc provides va_copy or __va_copy (for librcutil)
82AC_MSG_CHECKING([for va_copy])
83AC_TRY_COMPILE([
84 #include <stdarg.h>
85 ], [
86 va_list ap, aq;
87 va_copy(ap, aq);
88 ],
89 [va_copy="va_copy"],
90 [AC_TRY_COMPILE([
91 #include <stdarg.h>
92 ], [
93 va_list ap, aq;
94 __va_copy(ap, aq);
95 ],
96 [va_copy="__va_copy"],
97 [AC_MSG_ERROR([Unable to determine name of va_copy macro])]
98 )]
99)
100AC_MSG_RESULT([$va_copy])
101if test x"$va_copy" != xva_copy ; then
102 AC_DEFINE_UNQUOTED([va_copy], [$va_copy],
103 [Define to name of va_copy macro proviced by gcc if its not `va_copy'.]
104 )
105fi
106
107dnl Verify people aren't doing stupid shit
108if test x"$enable_static" != xno ; then
109 AC_MSG_ERROR([dont be a Kumba, building a libsandbox.a is stupid])
110fi
111if test x"$enable_shared" != xyes ; then
112 AC_MSG_ERROR([dont be a Kumba, omitting a libsandbox.so is stupid])
113fi
114if echo $CFLAGS | $EGREP -e -static >/dev/null 2>&1; then
115 AC_MSG_ERROR([dont be a Kumba, using -static in CFLAGS is stupid])
116fi
117if echo $LDFLAGS | $EGREP -e -static >/dev/null 2>&1; then
118 AC_MSG_ERROR([dont be a Kumba, using -static in LDFLAGS is stupid])
119fi
57 120
58dnl Some libc's like those on bsd have dlopen() in libc, and not libdl 121dnl Some libc's like those on bsd have dlopen() in libc, and not libdl
59AC_CHECK_LIB([dl], [dlopen], 122AC_CHECK_LIB([dl], [dlopen],
60 [have_libdl="yes"], 123 [have_libdl="yes"],
61 [have_libdl="no"] 124 [have_libdl="no"]
62) 125)
63if test x"$have_libdl" = xyes ; then 126if test x"$have_libdl" = xyes ; then
64 LIBDL="-ldl" 127 LIBDL="-ldl"
65 AC_SUBST([LIBDL]) 128 AC_SUBST([LIBDL])
66 DL_LIB="dl" 129 DL_LIB="dl"
67else 130else
68 DL_LIB="c" 131 DL_LIB="c"
69 AC_CHECK_LIB([c], [dlopen], 132 AC_CHECK_LIB([c], [dlopen],
70 [], 133 [],
71 [AC_MSG_ERROR([Unable to determine library providing dlopen])] 134 [AC_MSG_ERROR([Unable to determine library providing dlopen])]
72 ) 135 )
73fi 136fi
74 137
75dnl uClibc doesn't currently provide dlvsym() so lets 138dnl uClibc doesn't currently provide dlvsym() so lets
76dnl verify the toolchain supports it 139dnl verify the toolchain supports it
77AC_CHECK_LIB([$DL_LIB], [dlvsym], 140AC_CHECK_LIB([$DL_LIB], [dlvsym],
78 [AC_DEFINE([HAVE_DLVSYM], [1], [libdl supports dlvsym])], 141 [AC_DEFINE([HAVE_DLVSYM], [1], [libdl supports dlvsym])],
79 [AC_DEFINE([HAVE_DLVSYM], [0], [libdl does not support dlvsym])] 142 [AC_DEFINE([HAVE_DLVSYM], [0], [libdl does not support dlvsym])]
80) 143)
81 144
82dnl when using libc5, (f)trucate's offset argument type is size_t with 145dnl when using libc5, (f)trucate's offset argument type is size_t with
83dnl libc5, but it's off_t with libc6 (glibc2). 146dnl libc5, but it's off_t with libc6 (glibc2).
84AC_MSG_CHECKING([truncate argument type]) 147AC_MSG_CHECKING([truncate argument type])
85TRUNC_ARG_TYPE=`echo '#include <unistd.h>' | $CC -E - | grep -q 'truncate.*size_t'` 148TRUNC_ARG_TYPE=`echo '#include <unistd.h>' | $CC -E - | grep -q 'truncate.*size_t'`
86if test "$TRUNC_ARG_TYPE"x != x ; then 149if test "$TRUNC_ARG_TYPE"x != x ; then
87 AC_MSG_RESULT([size_t]) 150 AC_MSG_RESULT([size_t])
88 AC_DEFINE([TRUNCATE_T], [size_t], [truncate arg type]) 151 AC_DEFINE([TRUNCATE_T], [size_t], [truncate arg type])
89else 152else
90 AC_MSG_RESULT([off_t]) 153 AC_MSG_RESULT([off_t])
91 AC_DEFINE([TRUNCATE_T], [off_t], [truncate arg type]) 154 AC_DEFINE([TRUNCATE_T], [off_t], [truncate arg type])
92fi 155fi
93 156
94dnl Check if libc provides RTLD_NEXT 157dnl Check if libc provides RTLD_NEXT
95AC_MSG_CHECKING([for RTLD_NEXT]) 158AC_MSG_CHECKING([for RTLD_NEXT])
96AC_TRY_COMPILE([ 159AC_TRY_COMPILE([
97#define _GNU_SOURCE 160 #define _GNU_SOURCE
98#include <dlfcn.h> 161 #include <dlfcn.h>
99], [ 162 ], [
100#if !defined(RTLD_NEXT) 163 #if !defined(RTLD_NEXT)
101# error no RTLD_NEXT 164 # error no RTLD_NEXT
102#endif 165 #endif
103 166 ],
104int
105main (void)
106{
107 return 0;
108}
109],
110 [have_rtld_next="yes"], 167 [have_rtld_next="yes"],
111 [have_rtld_next="no"] 168 [have_rtld_next="no"]
112) 169)
113AC_MSG_RESULT([$have_rtld_next]) 170AC_MSG_RESULT([$have_rtld_next])
114AM_CONDITIONAL([HAVE_RTLD_NEXT], [test x"$have_rtld_next" = xyes]) 171if test x"$have_rtld_next" = xyes ; then
172 CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE"
173 AC_DEFINE([HAVE_RTLD_NEXT], [1], [Have RTLD_NEXT enabled libc])
174fi
115 175
116dnl we need to handle symbols differently based upon their version, 176dnl we need to handle symbols differently based upon their version,
117dnl but we have to know which symbols the libc supports first 177dnl but we have to know which symbols the libc supports first
118AC_MSG_CHECKING([libc path]) 178AC_MSG_CHECKING([libc path])
119echo "int main(void) { return 0; }" > libctest.c 179echo "int main(void) { return 0; }" > libctest.c
120$CC -Wall -o libctest libctest.c 180$CC $CFLAGS $CPPFLAGS $LDFLAGS -Wl,-verbose -o libctest libctest.c > libctest.log 2>&1
121LIBC_PATH=`$CC $CFLAGS -Wl,-verbose -o libctest libctest.c 2>&1 | \ 181cat libctest.log 1>&AS_MESSAGE_LOG_FD
182LIBC_PATH=$(
122 $AWK '/attempt to open/ { if (($4 ~ /\/libc\.so/) && ($5 == "succeeded")) LIBC = $4; }; END {print LIBC}'` 183 $AWK '/attempt to open/ { if (($4 ~ /\/libc\.so/) && ($5 == "succeeded")) LIBC = $4; }; END {print LIBC}' libctest.log
184)
123rm -f libctest.c 185rm -f libctest*
124if test "$LIBC_PATH"x = x || ! test -r "$LIBC_PATH"; then 186if test x"$LIBC_PATH" = x || ! test -r "$LIBC_PATH" ; then
125 AC_MSG_ERROR([Unable to determine LIBC PATH]) 187 AC_MSG_ERROR([Unable to determine LIBC PATH ($LIBC_PATH)])
126fi 188fi
127AC_MSG_RESULT([$LIBC_PATH]) 189AC_MSG_RESULT([$LIBC_PATH])
128AC_SUBST([LIBC_PATH]) 190AC_SUBST([LIBC_PATH])
129 191
130dnl when intercepting libc calls, we have to know the name of the 192dnl when intercepting libc calls, we have to know the name of the
131dnl libc to load and search with dl*() calls 193dnl libc to load and search with dl*() calls
132AC_MSG_CHECKING([libc version]) 194AC_MSG_CHECKING([libc version])
133dnl the sed script at the end here looks funny but it's ok ... 195dnl the sed script at the end here looks funny but it's ok ...
134dnl they're m4 escape sequences for left and right brackets 196echo "int main(void) { return 0; }" > libctest.c
135LIBC_VERSION=`readelf -d libctest | grep NEEDED.*libc\\.so | $AWK '{print $NF}' | sed -e 's:\@<:@::' -e 's:\@:>@::'` 197$CC $CFLAGS $CPPFLAGS $LDFLAGS -Wall -o libctest libctest.c
198LIBC_VERSION=$(
199 $READELF -d libctest | \
200 grep NEEDED.*libc\\.so | \
201 $AWK '{print $NF}' | sed -e ['s:\[::' -e 's:\]::']
202)
203rm -f libctest*
136if test "$LIBC_VERSION"x = x ; then 204if test "$LIBC_VERSION"x = x ; then
137 AC_MSG_ERROR([Unable to determine LIBC VERSION]) 205 AC_MSG_ERROR([Unable to determine LIBC VERSION])
138fi 206fi
139rm -f libctest
140AC_MSG_RESULT([$LIBC_VERSION]) 207AC_MSG_RESULT([$LIBC_VERSION])
141AC_DEFINE_UNQUOTED([LIBC_VERSION], ["$LIBC_VERSION"], [name of libc to hook into]) 208AC_DEFINE_UNQUOTED([LIBC_VERSION], ["$LIBC_VERSION"], [Name of libc to hook into])
142 209
143dnl check if we have 32bit or 64bit output 210dnl We add to CPPFLAGS rather than doing AC_DEFINE_UNQUOTED
144AC_ARG_ENABLE([multilib], 211dnl so we dont have to worry about fully expanding all of
145 AS_HELP_STRING([--enable-multilib], 212dnl the variables ($sysconfdir defaults to "$prefix/etc")
146 [enable building for multilib setups (default=disabled)]), 213SANDBOX_DEFINES='-DETCDIR="\"$(sysconfdir)\"" -DLIBSANDBOX_PATH="\"$(libdir)\"" -DSANDBOX_BASHRC_PATH="\"$(pkgdatadir)\""'
147 [enable_multilib="$enableval"], 214AC_SUBST([SANDBOX_DEFINES])
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
154 215
155AC_OUTPUT([ 216AC_OUTPUT([
156 Makefile 217 Makefile
157 scripts/Makefile 218 scripts/Makefile
219 etc/Makefile
158 data/Makefile 220 data/Makefile
221 libsbutil/Makefile
222 libsandbox/Makefile
159 src/Makefile 223 src/Makefile
160]) 224])

Legend:
Removed from v.232  
changed lines
  Added in v.377

  ViewVC Help
Powered by ViewVC 1.1.20