[gnumeric] Use automake 1.11 SILENT_RULES when present, for cleaner build

[Emmanuel Pacaud <emmanuel src gnome org>]

commit 47fe1ce7ce6364abe6e49391cfe3b6842218d52d
Author: Emmanuel Pacaud <emmanuel pacaud lapp in2p3 fr>
Date:   Tue Sep 8 22:22:31 2009 +0200

    Use automake 1.11 SILENT_RULES when present, for cleaner build
    output. You can disable it by passing --disable-silent-rules to
    configure or V=1 to make.

 ChangeLog    |    6 ++++++
 acinclude.m4 |    1 +
 configure.in |    2 ++
 3 files changed, 9 insertions(+), 0 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 3b9a2f7..3b50297 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2009-09-08  Emmanuel Pacaud <emmanuel pacaud lapp in2p3 fr>
+
+	Use automake 1.11 SILENT_RULES when present, for cleaner build
+	output. You can disable it by passing --disable-silent-rules to
+	configure or V=1 to make.
+
 2009-09-06  Andreas J. Guelzow <aguelzow pyrshep ca>
 
 	* component/Gnumeric-embed.xml.in: split random generator menu item
diff --git a/acinclude.m4 b/acinclude.m4
index 8c75480..0721ae5 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -155,6 +155,7 @@ modeok=false
 tagok=false
 for arg in "$[]@"; do
     case "$arg" in
+        --silent) ;;
         --mode=compile) modeok=true ;;
         --tag=CC|--tag=CXX) tagok=true ;;
         *) args+=("$arg")
diff --git a/configure.in b/configure.in
index 9e68988..7c9823a 100644
--- a/configure.in
+++ b/configure.in
@@ -53,6 +53,8 @@ AH_BOTTOM([/* Don't include gnumeric-features.h, it's a subset of gnumeric-confi
 
 AM_MAINTAINER_MODE
 
+m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
+
 # Make --disable-static the default
 AC_DISABLE_STATIC