improves autoconf

diff --git a/configure.ac b/configure.ac
index 0e01140417ac8fc8a3453ca78706a9edad437627..9829b86d06d345562285ebeeedbbcedfe20185d5 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -18,6 +18,7 @@ AC_INIT([libpinyin], [libpinyin_version], [https://github.com/libpinyin/libpinyi
 AM_INIT_AUTOMAKE
 AC_CONFIG_SRCDIR([config.h.in])
 AC_CONFIG_HEADER([config.h])
+m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
 
 # Define a string for binary compatibility
 m4_define([lt_current], [libpinyin_abi_current])