makerpms: fix detection of support for --rsyncable flag in gzip.

Michael

diff --git a/packaging/RPM/makerpms.sh b/packaging/RPM/makerpms.sh
index 3735b394d80ff944d2b149dce281a8b15db81993..37eca7de4618c29ee9fd2ccf209b31bf15f9083f 100755 (executable)
--- a/packaging/RPM/makerpms.sh
+++ b/packaging/RPM/makerpms.sh
@@ -28,7 +28,7 @@ RPMBUILD="rpmbuild"
 VERSION=$(grep ^Version ${DIRNAME}/${SPECFILE} | sed -e 's/^Version:\ \+//')
 RELEASE=$(grep ^Release ${DIRNAME}/${SPECFILE} | sed -e 's/^Release:\ \+//')
 
-if gzip --rsyncable 2>&1 ; then
+if echo | gzip -c --rsyncable - > /dev/null 2>&1 ; then
        GZIP="gzip -9 --rsyncable"
 else
        GZIP="gzip -9"