Silenced automake 1.10 warning.

diff --git a/configure.ac b/configure.ac
index 69bf4470b75808440d7c19df096d16a21d4dfca1..3b342f67f02df97bd08c08aa12d40f8e6bc85e18 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -16,6 +16,7 @@ ACLOCAL="$ACLOCAL -I m4"
 AM_MAINTAINER_MODE
 
 AC_PROG_CC
+AM_PROG_CC_C_O
 AC_PROG_CC_STDC
 AC_ISC_POSIX
 AM_PROG_LEX