m4: want_passwd.m4 - Modernize m4 syntax

diff --git a/m4/want_passwd.m4 b/m4/want_passwd.m4
index 11b5763ffade6bfa47cd27074d29f3d685fc1f9b..19d55520194a40394b1b53c641e4985fc0756039 100644 (file)
--- a/m4/want_passwd.m4
+++ b/m4/want_passwd.m4
@@ -1,21 +1,21 @@
 AC_DEFUN([DOVECOT_WANT_PASSWD], [
-  if test $want_passwd != no; then
-          AC_DEFINE(USERDB_PASSWD,, [Build with passwd support])
-          AC_DEFINE(PASSDB_PASSWD,, [Build with passwd support])
-          userdb="$userdb passwd"
-          passdb="$passdb passwd"
-  else
-          not_passdb="$not_passdb passwd"
-          not_userdb="$not_userdb passwd"
-  fi
+  AS_IF([test "$want_passwd" != "no"], [
+    AC_DEFINE(USERDB_PASSWD,, [Build with passwd support])
+    AC_DEFINE(PASSDB_PASSWD,, [Build with passwd support])
+    userdb="$userdb passwd"
+    passdb="$passdb passwd"
+  ], [
+    not_passdb="$not_passdb passwd"
+    not_userdb="$not_userdb passwd"
+  ])
   
-  if test $want_passwd_file != no; then
-          AC_DEFINE(USERDB_PASSWD_FILE,, [Build with passwd-file support])
-          AC_DEFINE(PASSDB_PASSWD_FILE,, [Build with passwd-file support])
-          userdb="$userdb passwd-file"
-          passdb="$passdb passwd-file"
-  else
-          not_passdb="$not_passdb passwd-file"
-          not_userdb="$not_userdb passwd-file"
-  fi
+  AS_IF([test "$want_passwd_file" != "no"], [
+    AC_DEFINE(USERDB_PASSWD_FILE,, [Build with passwd-file support])
+    AC_DEFINE(PASSDB_PASSWD_FILE,, [Build with passwd-file support])
+    userdb="$userdb passwd-file"
+    passdb="$passdb passwd-file"
+  ], [
+    not_passdb="$not_passdb passwd-file"
+    not_userdb="$not_userdb passwd-file"
+  ])
 ])