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2901. [port] Use AC_C_FLEXIBLE_ARRAY_MEMBER. [RT #21316]

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Mark Andrews
2010-05-19 07:13:15 +00:00
parent b667946fa5
commit 5b02fc32d6
5 changed files with 100 additions and 17 deletions
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75
configure vendored
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@@ -14,7 +14,7 @@
# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
# PERFORMANCE OF THIS SOFTWARE.
#
# $Id: configure,v 1.475 2010/05/12 08:25:21 marka Exp $
# $Id: configure,v 1.476 2010/05/19 07:13:15 marka Exp $
#
# Portions Copyright (C) 1996-2001 Nominum, Inc.
#
@@ -29,7 +29,7 @@
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
# From configure.in Revision: 1.492 .
# From configure.in Revision: 1.493 .
# Guess values for system-dependent variables and create Makefiles.
# Generated by GNU Autoconf 2.62.
#
@@ -21227,6 +21227,77 @@ _ACEOF
fi
{ $as_echo "$as_me:$LINENO: checking for flexible array members" >&5
$as_echo_n "checking for flexible array members... " >&6; }
if test "${ac_cv_c_flexmember+set}" = set; then
$as_echo_n "(cached) " >&6
else
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include <stdlib.h>
#include <stdio.h>
#include <stddef.h>
struct s { int n; double d[]; };
int
main ()
{
int m = getchar ();
struct s *p = malloc (offsetof (struct s, d)
+ m * sizeof (double));
p->d[0] = 0.0;
return p->d != (double *) NULL;
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext
if { (ac_try="$ac_compile"
case "(($ac_try" in
*\"* | *\`* | *\\*) ac_try_echo=\$ac_try;;
*) ac_try_echo=$ac_try;;
esac
eval ac_try_echo="\"\$as_me:$LINENO: $ac_try_echo\""
$as_echo "$ac_try_echo") >&5
(eval "$ac_compile") 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
$as_echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } && {
test -z "$ac_c_werror_flag" ||
test ! -s conftest.err
} && test -s conftest.$ac_objext; then
ac_cv_c_flexmember=yes
else
$as_echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_c_flexmember=no
fi
rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
fi
{ $as_echo "$as_me:$LINENO: result: $ac_cv_c_flexmember" >&5
$as_echo "$ac_cv_c_flexmember" >&6; }
if test $ac_cv_c_flexmember = yes; then
cat >>confdefs.h <<\_ACEOF
#define FLEXIBLE_ARRAY_MEMBER /**/
_ACEOF
else
cat >>confdefs.h <<\_ACEOF
#define FLEXIBLE_ARRAY_MEMBER 1
_ACEOF
fi
#
# Older versions of HP/UX don't define seteuid() and setegid()
#