[babl] Enable automake silent-rules by default

[Martin Nordholts <martinn src gnome org>]

commit 94e0745b0c524101b1c6730feee38bf932e33990
Author: Martin Nordholts <martinn src gnome org>
Date:   Tue Jul 14 20:06:27 2009 +0200

    Enable automake silent-rules by default
    
    Enable silent build rules by default, requires at least
    Automake-1.11. Disable by either passing --disable-silent-rules to
    configure or passing V=1 to make.

 configure.ac |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 9e5e9ec..4497778 100644
--- a/configure.ac
+++ b/configure.ac
@@ -38,6 +38,11 @@ m4_define([babl_stable],
 AC_INIT(babl, babl_major_version.babl_minor_version.babl_micro_version)
 AC_CONFIG_SRCDIR(babl/babl.h)
 
+# Enable silent build rules by default, requires at least
+# Automake-1.11. Disable by either passing --disable-silent-rules to
+# configure or passing V=1 to make
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
 BABL_MAJOR_VERSION=babl_major_version
 BABL_MINOR_VERSION=babl_minor_version
 BABL_MICRO_VERSION=babl_micro_version