* Makefile.in (install-man): Ignore gzip exit status.

2 files changed, 11 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 6bd8f213c17..fd524c6955b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-03-05  Glenn Morris  <rgm@gnu.org>
+
+        * Makefile.in (install-man): Ignore gzip exit status.
+
 2013-02-14  Paul Eggert  <eggert@cs.ucla.edu>
 
         Fix AIX port (Bug#13650).
diff --git a/Makefile.in b/Makefile.in
index 9f1e9707d1d..01eb409b454 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -621,6 +621,12 @@ install-info: info
               ${INSTALL_INFO} --info-dir=$(DESTDIR)${infodir} $(DESTDIR)${infodir}/$$elt); \
            done)
 
+## "gzip || true" is because some gzips exit with non-zero status
+## if compression would not reduce the file size.  Eg, the gzip in
+## OpenBSD 4.9 seems to do this (2013/03).  In Emacs, this can
+## only happen with the tiny ctags.1 manpage.  We don't really care if
+## ctags.1 is compressed or not.  "gzip -f" is another option here,
+## but not sure if portable.
 install-man:
         umask 022; ${MKDIR_P} $(DESTDIR)${man1dir}
         thisdir=`/bin/pwd`; \
@@ -631,7 +637,7 @@ install-man:
            ${INSTALL_DATA} ${mansrcdir}/$${page} $(DESTDIR)${man1dir}/$${dest}); \
           ( [ -n "${GZIP_INFO}" ] && [ -n "${GZIP_PROG}" ] ) || continue ; \
           rm -f $(DESTDIR)${man1dir}/$${dest}.gz; \
-          ${GZIP_PROG} -9n $(DESTDIR)${man1dir}/$${dest}; \
+          ${GZIP_PROG} -9n $(DESTDIR)${man1dir}/$${dest} || true; \
         done
 
 ## Install those items from etc/ that need to end up elsewhere.