Suppress cmp component version error messages

When we use cmp to determine whether to replace
AFS_component_version_number.c, suppress stderr in addition to stdout,
to slightly reduce output during the build.

Reviewed-on: http://gerrit.openafs.org/4471
Reviewed-by: Simon Wilkinson <sxw@inf.ed.ac.uk>
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
(cherry picked from commit 21578144e08d46eeec9a2944e92e8d0d7a6dba57)

Change-Id: Ie06f293e3750abb7514ee3795c1af41a26f46642
Reviewed-on: http://gerrit.openafs.org/5770
Reviewed-by: Derrick Brashear <shadow@dementix.org>
Tested-by: Derrick Brashear <shadow@dementix.org>

diff --git a/src/config/Makefile.version-NOCML.in b/src/config/Makefile.version-NOCML.in
index 18dcbc672900bc65430c362fada8bfffc829d24a..c8ab053c440bd792f4badf3d41ebc3d7dd4eedc7 100644 (file)
--- a/src/config/Makefile.version-NOCML.in
+++ b/src/config/Makefile.version-NOCML.in
@@ -13,7 +13,7 @@ AFS_component_version_number.c: @TOP_OBJDIR@/src/config/Makefile.version
        ( VERSION=`@abs_top_srcdir@/build-tools/git-version @abs_top_srcdir@ "@VERSION@"` && \
        echo 'char cml_version_number[]="@(#) OpenAFS '$$VERSION' built ' `date +"%Y-%m-%d"` '";' >AFS_component_version_number.c.NEW && \
        echo 'char* AFSVersion = "${PACKAGE} '$$VERSION'";' >>AFS_component_version_number.c.NEW && \
-       if cmp AFS_component_version_number.c.NEW AFS_component_version_number.c > /dev/null ; then : ; else \
+       if cmp AFS_component_version_number.c.NEW AFS_component_version_number.c > /dev/null 2>&1 ; then : ; else \
        mv AFS_component_version_number.c.NEW AFS_component_version_number.c ; fi )
        rm -f AFS_component_version_number.c.NEW