[libgsf] Conditional use of Use AM_SILENT_RULES (if automake-1.11 is present).

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 6237de5a0ac44652549aab147a5c54dc15b52332
Author: Emmanuel Pacaud <emmanuel pacaud lapp in2p3 fr>
Date:   Fri Oct 23 14:41:52 2009 +0200

    Conditional use of Use AM_SILENT_RULES (if automake-1.11 is present).
    
    Verbose compilation is still available using make V=1.

 configure.in |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/configure.in b/configure.in
index 4582b36..546b9ac 100644
--- a/configure.in
+++ b/configure.in
@@ -36,6 +36,8 @@ AM_INIT_AUTOMAKE(dist-bzip2)
 AC_CONFIG_HEADERS(gsf-config.h)
 AM_MAINTAINER_MODE
 
+m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
+
 dnl Propagate Gnome-specific variable ACLOCAL_FLAGS to Makefile.
 AC_SUBST(ACLOCAL_AMFLAGS, $ACLOCAL_FLAGS)