m4: notify.m4 - Modernize m4 syntax

diff --git a/m4/notify.m4 b/m4/notify.m4
index e4da4b965aee84f2d3982a399ddb3209b889fe34..fc28267b1cf3ff7f91a7a27f35f5bddcf72ecd42 100644 (file)
--- a/m4/notify.m4
+++ b/m4/notify.m4
@@ -1,41 +1,41 @@
 AC_DEFUN([DOVECOT_NOTIFY], [
   have_notify=none
   
-  if test "$notify" = "" || test "$notify" = "inotify" ; then
+  AS_IF([test "$notify" = "" || test "$notify" = "inotify"], [
     dnl * inotify?
     AC_MSG_CHECKING([whether we can use inotify])
-    if test "$ac_cv_func_inotify_init" = yes; then
+    AS_IF([test "$ac_cv_func_inotify_init" = yes], [
       have_notify=inotify
       notify=inotify
       AC_MSG_RESULT("yes")
       AC_DEFINE(IOLOOP_NOTIFY_INOTIFY,, [Use Linux inotify])
-    else
+    ], [
       AC_MSG_RESULT("no")
-      if test "$notify" = "inotify"; then
+      AS_IF([test "$notify" = "inotify"], [
         AC_MSG_ERROR([inotify requested but not available])
         notify=""
-      fi
-    fi
-  fi
+      ])
+    ])
+  ])
   
-  if (test "$notify" = "" && test "$ioloop" = kqueue) || test "$notify" = "kqueue"; then
+  AS_IF([(test "$notify" = "" && test "$ioloop" = kqueue) || test "$notify" = "kqueue"], [
     dnl * BSD kqueue() notify
     AC_MSG_CHECKING([whether we can use BSD kqueue() notify])
-    if test "$ac_cv_func_kqueue" = yes && test "$ac_cv_func_kevent" = yes ; then
+    AS_IF([test "$ac_cv_func_kqueue" = yes && test "$ac_cv_func_kevent" = yes], [
       have_notify=kqueue
       notify=kqueue
       AC_MSG_RESULT("yes")
       AC_DEFINE(IOLOOP_NOTIFY_KQUEUE,, [Use BSD kqueue directory changes notification])
-    else 
+    ], [
       AC_MSG_RESULT("no")
-      if test "$notify" = "kqueue" ; then
+      AS_IF([test "$notify" = "kqueue"], [
         AC_MSG_ERROR([kqueue notify requested but kqueue() is not available])
         notify=""
-      fi
-    fi
-  fi
+      ])
+    ])
+  ])
   
-  if test "$have_notify" = "none"; then
+  AS_IF([test "$have_notify" = "none"], [
     AC_DEFINE(IOLOOP_NOTIFY_NONE,, [No special notify support])
-  fi
-]) 
+  ])
+])