diff --git a/configure.ac b/configure.ac
index 95e968da..c8df2120 100644
--- a/configure.ac
+++ b/configure.ac
@@ -40,9 +40,10 @@ AC_CONFIG_MACRO_DIR([m4])
 # Global
 #------------------------------------------------------------------------------
 
+AM_PROG_CC_C_O
+m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
 AC_PROG_CXX
 AC_PROG_LIBTOOL
-AM_PROG_CC_C_O
 
 #------------------------------------------------------------------------------
 # Linux sources