tell user which header files could not be found

diff --git a/ext/mysql/config.m4 b/ext/mysql/config.m4
index e59a0d51907e69569cc6c5975a09bcebf52e5257..95c40b898279966c3e5742354f2e597fca75ff43 100644 (file)
--- a/ext/mysql/config.m4
+++ b/ext/mysql/config.m4
@@ -108,7 +108,7 @@ elif test "$PHP_MYSQL" != "no"; then
   done
 
   if test -z "$MYSQL_DIR"; then
-    AC_MSG_ERROR(Cannot find header files under $PHP_MYSQL)
+    AC_MSG_ERROR(Cannot find MySQL header files under $PHP_MYSQL)
   fi
 
   MYSQL_MODULE_TYPE=external