configure.ac : Removed obsolete AM_PROG_CC_C_O macro.

configure.ac

@@ -19,7 +19,7 @@ AC_PROG_CC
 AC_PROG_CXX
 # AC_PROG_RANLIB  # required for static librarires
 
-AM_PROG_CC_C_O	  
+#AM_PROG_CC_C_O	  
 
 # Checks for libraries.
 # AC_CHECK_LIB([cairo],[cairo_debug_reset_static_data],[AC_MSG_RESULT([The 'cairo' library was found.])],[AC_MSG_ERROR([The 'cairo' library was not found.])])