Add AM_PROG_CC_C_O to configure.ac

This basically silences a automake error/warning.

diff --git a/configure.ac b/configure.ac
index d3e0cae1f47f0d95160166b3274294d8f2af03ef..4cc0d535e6e04e1dde8162a8839f2c3056097bef 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -9,6 +9,7 @@ AC_CONFIG_HEADER([config.h])
 # Checks for programs.
 AC_PROG_CC
 AC_PROG_CPP
+AM_PROG_CC_C_O
 
 # Checks for libraries.
 AC_SEARCH_LIBS([iconv_open], [iconv], AC_DEFINE(CONFIG_ICONV, 1, [use iconv]))