-[
- AC_CACHE_CHECK([for MSG_NOSIGNAL], [ac_cv_msg_nosignal], [
- AC_LANG_PUSH([C])
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -I${srcdir}"
-
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/socket.h>], [ int flags= MSG_NOSIGNAL ])], [ac_cv_msg_nosignal="yes"])
- AC_LANG_POP
+ [AC_CACHE_CHECK([for MSG_NOSIGNAL],[ac_cv_msg_nosignal],
+ [AC_LANG_PUSH([C])
+ AX_SAVE_FLAGS
+ CFLAGS="$CFLAGS -I${srcdir}"
+
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <netdb.h>], [int flags= MSG_NOSIGNAL])], [ac_cv_msg_nosignal="yes"])
+ AC_LANG_POP
+ AX_RESTORE_FLAGS])
+
+ AC_CACHE_CHECK([for MSG_DONTWAIT],[ac_cv_msg_dontwait],
+ [AC_LANG_PUSH([C])
+ AX_SAVE_FLAGS
+ CFLAGS="$CFLAGS -I${srcdir}"
+
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <netdb.h>],[int flags= MSG_DONTWAIT])],[ac_cv_msg_dontwait="yes"])
+ AC_LANG_POP
+ AX_RESTORE_FLAGS])
+
+ AC_CACHE_CHECK([for MSG_MORE],[ac_cv_msg_more],
+ [AC_LANG_PUSH([C])
+ AX_SAVE_FLAGS
+ CFLAGS="$CFLAGS -I${srcdir}"
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <netdb.h>], [int flags= MSG_MORE])], [ac_cv_msg_more="yes"])
+ AC_LANG_POP
+ AX_RESTORE_FLAGS])
+
+ AS_IF([test "x$ac_cv_msg_nosignal" = "xyes"],[AC_DEFINE([HAVE_MSG_NOSIGNAL],[1],[Define to 1 if you have a MSG_NOSIGNAL])])
+ AS_IF([test "x$ac_cv_msg_dontwait" = "xyes"],[AC_DEFINE([HAVE_MSG_DONTWAIT],[1],[Define to 1 if you have a MSG_DONTWAIT])])
+ AS_IF([test "x$ac_cv_msg_more" = "xyes"],[AC_DEFINE([HAVE_MSG_MORE],[1],[Define to 1 if you have a MSG_MORE])])