build: Use automake silent rules.

diff --git a/configure.ac b/configure.ac
index d3d35c5b6e1c1f37855b6c858456f83039f31848..758b1c86979cca697b66d1c1900205cb13b96ff1 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -11,6 +11,7 @@ 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
 AC_HEADER_ASSERT