m4: q_quotactl.m4 - Modernize m4 syntax

diff --git a/m4/q_quotactl.m4 b/m4/q_quotactl.m4
index 36099ab4394024c2e2d7ab3080e80822c922fa23..71346d32c750c56fb50c4d99d05d85c58399df2b 100644 (file)
--- a/m4/q_quotactl.m4
+++ b/m4/q_quotactl.m4
@@ -1,20 +1,20 @@
 dnl * Check if we have Q_QUOTACTL ioctl (Solaris)
 AC_DEFUN([DOVECOT_Q_QUOTACTL], [
   AC_CACHE_CHECK([if Q_QUOTACTL ioctl exists],i_cv_have_ioctl_q_quotactl,[
-    AC_TRY_COMPILE([
+    AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
       #include <sys/types.h>
       #include <sys/fs/ufs_quota.h>
-    ], [
+    ]], [[
       struct quotctl ctl;
       ioctl(0, Q_QUOTACTL, &ctl);
-    ], [
+    ]])],[
       i_cv_have_ioctl_q_quotactl=yes
     ], [
       i_cv_have_ioctl_q_quotactl=no
     ])
   ])
   
-  if test $i_cv_have_ioctl_q_quotactl = yes; then
+  AS_IF([test $i_cv_have_ioctl_q_quotactl = yes], [
     AC_DEFINE(HAVE_Q_QUOTACTL,, [Define if Q_QUOTACTL exists])
-  fi
+  ])
 ])