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config: use newer AC_COMPILE_IFELSE()

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Signed-off-by: Angus Salkeld <asalkeld@redhat.com>
This commit is contained in:
Angus Salkeld 2012-05-31 22:08:16 +10:00
parent 9f90b16d06
commit 2f4fa09b1c
1 changed files with 14 additions and 15 deletions
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29
configure.ac
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@ -153,22 +153,21 @@ AC_CHECK_MEMBER([struct sockaddr_un.sun_len],
[],
[#include <sys/un.h>])
AC_MSG_CHECKING(looking for union semun in sys/sem.h)
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>
],[
union semun arg;
semctl(0, 0, 0, arg);
], [have_union_semun="1" union_semun=yes ]
msg=yes, [
have_union_semun="0"
msg=no ] )
AC_MSG_RESULT([$msg])
AM_CONDITIONAL(HAVE_SEMUN,
[test "x$have_union_semun" = xyes])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
[[#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/sem.h>]],
[[union semun arg; semctl(0, 0, 0, arg);]])],
[
AC_MSG_RESULT([yes])
AC_DEFINE_UNQUOTED([HAVE_SEMUN], 1, [Define to 1 if you have union semun.])
],
[
AC_MSG_RESULT([no])
]
)
# Checks for library functions.
AC_FUNC_CHOWN