From: Peter van Dijk <peter.van.dijk@powerdns.com>
Date: Mon, 11 Apr 2016 18:23:41 +0000 (+0200)
Subject: avoid generating empty if/else blocks on autoconf 2.63, fixes #3684
X-Git-Tag: dnsdist-1.0.0-beta1~8^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=refs%2Fpull%2F3694%2Fhead;p=thirdparty%2Fpdns.git

avoid generating empty if/else blocks on autoconf 2.63, fixes #3684
---

diff --git a/m4/pdns_with_protobuf.m4 b/m4/pdns_with_protobuf.m4
index 39d4e1c969..f106c5889f 100644
--- a/m4/pdns_with_protobuf.m4
+++ b/m4/pdns_with_protobuf.m4
@@ -9,7 +9,7 @@ AC_DEFUN([PDNS_WITH_PROTOBUF], [
 
   AS_IF([test "x$with_protobuf" != "xno"], [
     AS_IF([test "x$with_protobuf" = "xyes" -o "x$with_protobuf" = "xauto"], [
-      PKG_CHECK_MODULES([PROTOBUF], [protobuf], [ ], [ ])
+      PKG_CHECK_MODULES([PROTOBUF], [protobuf], [ : ], [ : ])
       AC_CHECK_PROG([PROTOC], [protoc], [protoc])
     ])
   ])