| 1 | AC_PREREQ(2.59) |
1 | AC_PREREQ([2.59]) |
| 2 | AC_INIT(sandbox, 1.2, dev-portage@gentoo.org) |
2 | AC_INIT([sandbox], [1.2.17], [sandbox@gentoo.org]) |
| 3 | AM_INIT_AUTOMAKE |
3 | AM_INIT_AUTOMAKE |
| 4 | AC_CONFIG_HEADER([config.h]) |
4 | AC_CONFIG_HEADER([config.h]) |
| 5 | |
5 | |
| 6 | # Checks for programs. |
6 | dnl Checks for programs. |
| 7 | AC_PROG_CC |
7 | AC_PROG_CC |
| 8 | AC_ISC_POSIX |
8 | AC_ISC_POSIX |
| 9 | AC_PROG_INSTALL |
9 | AC_PROG_INSTALL |
| 10 | AC_PROG_MAKE_SET |
10 | AC_PROG_MAKE_SET |
| 11 | AC_PROG_AWK |
11 | AC_PROG_AWK |
|
|
12 | AC_CHECK_PROGS([READELF], [readelf], [false]) |
| 12 | |
13 | |
| 13 | AC_ENABLE_SHARED |
14 | AC_ENABLE_SHARED |
| 14 | AC_DISABLE_STATIC |
15 | AC_DISABLE_STATIC |
|
|
16 | dnl Next four lines is a hack to prevent libtool checking for CXX/F77 |
|
|
17 | m4_undefine([AC_PROG_CXX]) |
|
|
18 | m4_defun([AC_PROG_CXX],[]) |
|
|
19 | m4_undefine([AC_PROG_F77]) |
|
|
20 | m4_defun([AC_PROG_F77],[]) |
| 15 | AC_PROG_LIBTOOL |
21 | AC_PROG_LIBTOOL |
| 16 | |
22 | |
| 17 | AC_PREFIX_DEFAULT([/usr]) |
23 | AC_PREFIX_DEFAULT([/usr]) |
| 18 | |
24 | |
| 19 | # Checks for libraries. |
25 | dnl Checks for libraries. |
| 20 | # Checks for header files. |
26 | dnl Checks for header files. |
| 21 | AC_FUNC_ALLOCA |
27 | AC_FUNC_ALLOCA |
| 22 | AC_HEADER_DIRENT |
28 | AC_HEADER_DIRENT |
| 23 | AC_HEADER_STDC |
29 | AC_HEADER_STDC |
| 24 | AC_HEADER_SYS_WAIT |
30 | AC_HEADER_SYS_WAIT |
| 25 | AC_CHECK_HEADERS([ \ |
31 | AC_CHECK_HEADERS([ \ |
| 26 | fcntl.h limits.h memory.h stddef.h \ |
32 | fcntl.h limits.h memory.h stddef.h \ |
| 27 | stdlib.h string.h strings.h sys/file.h \ |
33 | stdlib.h string.h strings.h sys/file.h \ |
| 28 | sys/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. |
37 | dnl Checks for typedefs, structures, and compiler characteristics. |
| 32 | AC_C_CONST |
38 | AC_C_CONST |
| 33 | AC_TYPE_UID_T |
39 | AC_TYPE_UID_T |
| 34 | AC_TYPE_MODE_T |
40 | AC_TYPE_MODE_T |
| 35 | AC_TYPE_SIZE_T |
41 | AC_TYPE_SIZE_T |
| 36 | AC_CHECK_TYPES([ptrdiff_t]) |
42 | AC_CHECK_TYPES([ptrdiff_t]) |
| 37 | |
43 | |
| 38 | # Checks for library functions. |
44 | dnl Checks for library functions. |
| 39 | AC_FUNC_CHOWN |
45 | AC_FUNC_CHOWN |
| 40 | AC_FUNC_FORK |
46 | AC_FUNC_FORK |
| 41 | AC_FUNC_LSTAT |
47 | AC_FUNC_LSTAT |
| 42 | AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK |
48 | AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK |
| 43 | AC_FUNC_MALLOC |
|
|
| 44 | AC_FUNC_REALLOC |
|
|
| 45 | AC_TYPE_SIGNAL |
49 | AC_TYPE_SIGNAL |
| 46 | AC_FUNC_STAT |
50 | AC_FUNC_STAT |
| 47 | AC_CHECK_FUNCS([ \ |
51 | AC_CHECK_FUNCS([ \ |
| 48 | bzero ftruncate getcwd lchown memmove \ |
52 | bzero ftruncate getcwd lchown memmove \ |
| 49 | mempcpy memset mkdir pathconf realpath \ |
53 | memcpy memset mkdir pathconf realpath \ |
| 50 | rmdir setenv strcasecmp strchr strdup \ |
54 | rmdir setenv strcasecmp strchr strdup \ |
| 51 | strerror strndup strrchr strspn strstr \ |
55 | strerror strndup strrchr strspn strstr \ |
| 52 | ]) |
56 | ]) |
| 53 | |
57 | |
| 54 | dnl |
58 | dnl Some libc's like those on bsd have dlopen() in libc, and not libdl |
| 55 | dnl FIXME: the following needs to be made portable |
59 | AC_CHECK_LIB([dl], [dlopen], |
| 56 | dnl |
60 | [have_libdl="yes"], |
|
|
61 | [have_libdl="no"] |
|
|
62 | ) |
|
|
63 | if test x"$have_libdl" = xyes ; then |
|
|
64 | LIBDL="-ldl" |
|
|
65 | AC_SUBST([LIBDL]) |
|
|
66 | DL_LIB="dl" |
|
|
67 | else |
|
|
68 | DL_LIB="c" |
|
|
69 | AC_CHECK_LIB([c], [dlopen], |
|
|
70 | [], |
|
|
71 | [AC_MSG_ERROR([Unable to determine library providing dlopen])] |
|
|
72 | ) |
|
|
73 | fi |
|
|
74 | |
|
|
75 | dnl uClibc doesn't currently provide dlvsym() so lets |
|
|
76 | dnl verify the toolchain supports it |
|
|
77 | AC_CHECK_LIB([$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 | |
| 58 | dnl when using libc5, (f)trucate's offset argument type is size_t with |
82 | 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). |
83 | dnl libc5, but it's off_t with libc6 (glibc2). |
| 60 | AC_MSG_CHECKING(truncate argument type) |
84 | AC_MSG_CHECKING([truncate argument type]) |
| 61 | if grep -q 'truncate.*size_t' /usr/include/unistd.h ; then |
85 | TRUNC_ARG_TYPE=`echo '#include <unistd.h>' | $CC -E - | grep -q 'truncate.*size_t'` |
|
|
86 | if test "$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]) |
| 64 | else |
89 | else |
| 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]) |
| 67 | fi |
92 | fi |
| 68 | |
93 | |
| 69 | AC_MSG_CHECKING(Checking libc version) |
94 | dnl Check if libc provides RTLD_NEXT |
|
|
95 | AC_MSG_CHECKING([for RTLD_NEXT]) |
|
|
96 | AC_TRY_COMPILE([ |
|
|
97 | #define _GNU_SOURCE |
|
|
98 | #include <dlfcn.h> |
|
|
99 | ], [ |
|
|
100 | #if !defined(RTLD_NEXT) |
|
|
101 | # error no RTLD_NEXT |
|
|
102 | #endif |
|
|
103 | |
|
|
104 | int |
|
|
105 | main (void) |
|
|
106 | { |
|
|
107 | return 0; |
|
|
108 | } |
|
|
109 | ], |
|
|
110 | [have_rtld_next="yes"], |
|
|
111 | [have_rtld_next="no"] |
|
|
112 | ) |
|
|
113 | AC_MSG_RESULT([$have_rtld_next]) |
|
|
114 | AM_CONDITIONAL([HAVE_RTLD_NEXT], [test x"$have_rtld_next" = xyes]) |
|
|
115 | |
|
|
116 | dnl we need to handle symbols differently based upon their version, |
|
|
117 | dnl but we have to know which symbols the libc supports first |
|
|
118 | AC_MSG_CHECKING([libc path]) |
| 70 | echo "int main(void) { return 0; }" > libctest.c |
119 | echo "int main(void) { return 0; }" > libctest.c |
| 71 | gcc -Wall -o libctest libctest.c |
120 | $CC -Wall -o libctest libctest.c |
| 72 | LIBC_VERSION=`ldd libctest | grep libc\\.so | grep -v 'ld-uClibc' | ${AWK} '{print $1}'` |
121 | LIBC_PATH=`$CC $CFLAGS -Wl,-verbose -o libctest libctest.c 2>&1 | \ |
| 73 | LIBC_PATH=`ldd libctest | grep libc\\.so | grep -v 'ld-uClibc' | ${AWK} '{print $3}'` |
122 | $AWK '/attempt to open/ { if (($4 ~ /\/libc\.so/) && ($5 == "succeeded")) LIBC = $4; }; END {print LIBC}'` |
|
|
123 | rm -f libctest.c |
|
|
124 | if test "$LIBC_PATH"x = x || ! test -r "$LIBC_PATH"; then |
|
|
125 | AC_MSG_ERROR([Unable to determine LIBC PATH]) |
|
|
126 | fi |
|
|
127 | AC_MSG_RESULT([$LIBC_PATH]) |
|
|
128 | AC_SUBST([LIBC_PATH]) |
|
|
129 | |
|
|
130 | dnl when intercepting libc calls, we have to know the name of the |
|
|
131 | dnl libc to load and search with dl*() calls |
|
|
132 | AC_MSG_CHECKING([libc version]) |
|
|
133 | dnl the sed script at the end here looks funny but it's ok ... |
|
|
134 | dnl they're m4 escape sequences for left and right brackets |
|
|
135 | LIBC_VERSION=`readelf -d libctest | grep NEEDED.*libc\\.so | $AWK '{print $NF}' | sed -e 's:\@<:@::' -e 's:\@:>@::'` |
|
|
136 | if test "$LIBC_VERSION"x = x ; then |
|
|
137 | AC_MSG_ERROR([Unable to determine LIBC VERSION]) |
|
|
138 | fi |
| 74 | rm -f libctest |
139 | rm -f libctest |
| 75 | AC_SUBST(LIBC_VERSION) |
|
|
| 76 | AC_SUBST(LIBC_PATH) |
|
|
| 77 | AC_MSG_RESULT(${LIBC_VERSION}) |
140 | AC_MSG_RESULT([$LIBC_VERSION]) |
|
|
141 | AC_DEFINE_UNQUOTED([LIBC_VERSION], ["$LIBC_VERSION"], [name of libc to hook into]) |
| 78 | |
142 | |
| 79 | AC_OUTPUT([Makefile]) |
143 | dnl check if we have 32bit or 64bit output |
|
|
144 | AC_ARG_ENABLE([multilib], |
|
|
145 | AS_HELP_STRING([--enable-multilib], |
|
|
146 | [enable building for multilib setups (default=disabled)]), |
|
|
147 | [enable_multilib="$enableval"], |
|
|
148 | [enable_multilib="no"] |
|
|
149 | ) |
|
|
150 | |
|
|
151 | if test x"$enable_multilib" != xno ; then |
|
|
152 | AC_DEFINE_UNQUOTED([SB_HAVE_MULTILIB], [1], [have multilib enabled system]) |
|
|
153 | fi |
|
|
154 | |
|
|
155 | AC_OUTPUT([ |
|
|
156 | Makefile |
|
|
157 | scripts/Makefile |
|
|
158 | data/Makefile |
|
|
159 | src/Makefile |
|
|
160 | ]) |