build: Use automake silent rules.

diff --git a/configure.ac b/configure.ac
index 808965be4ff0ede5c49a3f9a83165e2ec8064c7b..42594de730addfda86b819a926ef11e4cbbc2f3e 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -5,6 +5,7 @@ AC_CONFIG_HEADER([config.h])
 AC_CONFIG_MACRO_DIR([m4])
 
 AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects])
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 AC_PROG_CC_C99
 gl_EARLY