(install-common-headers): Pipe grep output to /dev/null.

From-SVN: r3087

diff --git a/gcc/Makefile.in b/gcc/Makefile.in
index 80fd6f9..dcd55d4 100644 (file)
--- a/gcc/Makefile.in
+++ b/gcc/Makefile.in
@@ -1585,7 +1585,7 @@ install-common-headers: install-dir $(USER_H) gvarargs.h gstdarg.h gstddef.h gsy
 # but supposedly the ! operator is missing in sh on some systems.
        if [ -f $(assertdir)/assert.h ]; \
        then \
-         if grep "__eprintf" $(assertdir)/assert.h; \
+         if grep "__eprintf" $(assertdir)/assert.h >/dev/null; \
            then \
            rm -f $(assertdir)/assert.h; \
            $(INSTALL_DATA) $(srcdir)/assert.h $(assertdir)/assert.h; \