automake: enable silent rules if available

diff --git a/configure.ac b/configure.ac
index 110c92a..d6b695f 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -2,6 +2,10 @@ AC_INIT([enigma2],[2.8.0],[enigma2-devel@lists.elitedvb.net])
 AM_INIT_AUTOMAKE([dist-bzip2 no-define tar-pax])
 AC_CONFIG_HEADERS([enigma2_config.h])
 
+# Silent rules are available since 1.11, but older versions
+# are still in use. So don't use them unconditionally.
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
 AC_USE_SYSTEM_EXTENSIONS
 AC_SYS_LARGEFILE