blob: cdc6ea3b34374be5ec478937541042331b716ffd (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
# Check if "struct ucred" is available. If not, try harder with
# _GNU_SOURCE.
#
# Author: Max Kellermann <max@duempel.org>
AC_DEFUN([STRUCT_UCRED],[
AC_MSG_CHECKING([for struct ucred])
AC_CACHE_VAL(mpd_cv_have_struct_ucred, [
AC_TRY_COMPILE([#include <sys/socket.h>],
[struct ucred cred;],
mpd_cv_have_struct_ucred=yes,
mpd_cv_have_struct_ucred=no)
if test x$mpd_cv_have_struct_ucred = xno; then
# glibc 2.8 forces _GNU_SOURCE on us
AC_TRY_COMPILE(
[#define _GNU_SOURCE
#include <sys/socket.h>],
[struct ucred cred;],
mpd_cv_have_struct_ucred=yes,
mpd_cv_have_struct_ucred=no)
if test x$mpd_cv_have_struct_ucred = xyes; then
# :(
CFLAGS="$CFLAGS -D_GNU_SOURCE"
fi
fi
])
AC_MSG_RESULT($mpd_cv_have_struct_ucred)
if test x$mpd_cv_have_struct_ucred = xyes; then
AC_DEFINE(HAVE_STRUCT_UCRED, 1, [Define if struct ucred is present from sys/socket.h])
fi
])
|
