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AC_PREREQ([2.59])
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| 2 |
AC_INIT([sandbox], [1.2.16], [sandbox@gentoo.org])
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| 3 |
AM_INIT_AUTOMAKE
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| 4 |
AC_CONFIG_HEADER([config.h])
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dnl Checks for programs.
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AC_PROG_CC
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AC_ISC_POSIX
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AC_PROG_INSTALL
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AC_PROG_MAKE_SET
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AC_PROG_AWK
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AC_CHECK_PROGS([READELF], [readelf], [false])
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AC_ENABLE_SHARED
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AC_DISABLE_STATIC
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dnl Next four lines is a hack to prevent libtool checking for CXX/F77
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| 17 |
m4_undefine([AC_PROG_CXX])
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m4_defun([AC_PROG_CXX],[])
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m4_undefine([AC_PROG_F77])
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m4_defun([AC_PROG_F77],[])
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| 21 |
AC_PROG_LIBTOOL
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AC_PREFIX_DEFAULT([/usr])
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dnl Checks for libraries.
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dnl Checks for header files.
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AC_FUNC_ALLOCA
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AC_HEADER_DIRENT
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AC_HEADER_STDC
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AC_HEADER_SYS_WAIT
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| 31 |
AC_CHECK_HEADERS([ \
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fcntl.h limits.h memory.h stddef.h \
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stdlib.h string.h strings.h sys/file.h \
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sys/param.h sys/time.h unistd.h utime.h \
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])
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dnl Checks for typedefs, structures, and compiler characteristics.
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AC_C_CONST
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AC_TYPE_UID_T
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AC_TYPE_MODE_T
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AC_TYPE_SIZE_T
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AC_CHECK_TYPES([ptrdiff_t])
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dnl Checks for library functions.
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AC_FUNC_CHOWN
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AC_FUNC_FORK
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AC_FUNC_LSTAT
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AC_FUNC_LSTAT_FOLLOWS_SLASHED_SYMLINK
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AC_TYPE_SIGNAL
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AC_FUNC_STAT
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AC_CHECK_FUNCS([ \
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bzero ftruncate getcwd lchown memmove \
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mempcpy memset mkdir pathconf realpath \
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rmdir setenv strcasecmp strchr strdup \
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strerror strndup strrchr strspn strstr \
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])
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| 58 |
dnl uClibc doesn't currently provide dlvsym() so lets
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| 59 |
dnl verify the toolchain supports it
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AC_CHECK_LIB(dl, dlvsym,
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| 61 |
[AC_DEFINE([HAVE_DLVSYM], [1], [libdl supports dlvsym])],
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| 62 |
[AC_DEFINE([HAVE_DLVSYM], [0], [libdl does not support dlvsym])]
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| 63 |
)
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| 64 |
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| 65 |
dnl when using libc5, (f)trucate's offset argument type is size_t with
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dnl libc5, but it's off_t with libc6 (glibc2).
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| 67 |
AC_MSG_CHECKING([truncate argument type])
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TRUNC_ARG_TYPE=`echo '#include <unistd.h>' | $CC -E - | grep -q 'truncate.*size_t'`
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| 69 |
if test "$TRUNC_ARG_TYPE"x != x ; then
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AC_MSG_RESULT([size_t])
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| 71 |
AC_DEFINE([TRUNCATE_T], [size_t], [truncate arg type])
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else
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| 73 |
AC_MSG_RESULT([off_t])
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| 74 |
AC_DEFINE([TRUNCATE_T], [off_t], [truncate arg type])
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| 75 |
fi
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| 76 |
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| 77 |
dnl we need to handle symbols differently based upon their version,
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| 78 |
dnl but we have to know which symbols the libc supports first
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| 79 |
AC_MSG_CHECKING([libc path])
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| 80 |
echo "int main(void) { return 0; }" > libctest.c
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| 81 |
$CC -Wall -o libctest libctest.c
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| 82 |
LIBC_PATH=`$CC $CFLAGS -Wl,-verbose -o libctest libctest.c 2>&1 | \
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| 83 |
$AWK '/attempt to open/ { if (($4 ~ /libc\.so/) && ($5 == "succeeded")) LIBC = $4; }; END {print LIBC}'`
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| 84 |
rm -f libctest.c
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| 85 |
if test "$LIBC_PATH"x = x || ! test -r "$LIBC_PATH"; then
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| 86 |
AC_MSG_ERROR([Unable to determine LIBC PATH])
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| 87 |
fi
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| 88 |
AC_MSG_RESULT([$LIBC_PATH])
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| 89 |
AC_SUBST([LIBC_PATH])
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| 90 |
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| 91 |
dnl when intercepting libc calls, we have to know the name of the
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| 92 |
dnl libc to load and search with dl*() calls
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| 93 |
AC_MSG_CHECKING([libc version])
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| 94 |
dnl the sed script at the end here looks funny but it's ok ...
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| 95 |
dnl they're m4 escape sequences for left and right brackets
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| 96 |
LIBC_VERSION=`readelf -d libctest | grep NEEDED.*libc\\.so | $AWK '{print $NF}' | sed -e 's:\@<:@::' -e 's:\@:>@::'`
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| 97 |
if test "$LIBC_VERSION"x = x ; then
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| 98 |
AC_MSG_ERROR([Unable to determine LIBC VERSION])
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| 99 |
fi
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| 100 |
rm -f libctest
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| 101 |
AC_MSG_RESULT([$LIBC_VERSION])
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| 102 |
AC_DEFINE_UNQUOTED([LIBC_VERSION], ["$LIBC_VERSION"], [name of libc to hook into])
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| 103 |
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| 104 |
dnl check if we have 32bit or 64bit output
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| 105 |
AC_ARG_ENABLE([multilib],
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| 106 |
AS_HELP_STRING([--enable-multilib],
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| 107 |
[enable building for multilib setups (default=disabled)]),
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| 108 |
[enable_multilib="$enableval"],
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| 109 |
[enable_multilib="no"]
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| 110 |
)
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| 111 |
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| 112 |
if test "$enable_multilib"x != xno ; then
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| 113 |
AC_DEFINE_UNQUOTED([SB_HAVE_MULTILIB], [1], [have multilib enabled system])
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fi
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| 115 |
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| 116 |
AC_OUTPUT([
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| 117 |
Makefile
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scripts/Makefile
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data/Makefile
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src/Makefile
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| 121 |
])
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Parent Directory
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