cmake: re-enable -Werror in the maintainer mode

now we can afford it. Fix -Werror errors. Note:
* old gcc is bad at detecting uninit variables, disable it.
* time_t is int or long, cast it for printf's

1 files changed, 3 insertions, 3 deletions

diff --git a/storage/spider/spd_table.cc b/storage/spider/spd_table.cc
index 130edc5ee8a..5f7e59b47da 100644
--- a/storage/spider/spd_table.cc
+++ b/storage/spider/spd_table.cc
@@ -7027,7 +7027,7 @@ int spider_get_sts(
   int sts_sync_level,
   uint flag
 ) {
-  int get_type;
+  int get_type __attribute__ ((unused));
   int error_num = 0;
   DBUG_ENTER("spider_get_sts");
 
@@ -7149,7 +7149,7 @@ int spider_get_crd(
 #endif
   int crd_sync_level
 ) {
-  int get_type;
+  int get_type __attribute__ ((unused));
   int error_num = 0;
   DBUG_ENTER("spider_get_crd");
 
@@ -8379,7 +8379,7 @@ int spider_discover_table_structure(
 #ifdef WITH_PARTITION_STORAGE_ENGINE
   partition_info *part_info = thd->work_part_info;
 #endif
-  uint str_len;
+  uint str_len __attribute__ ((unused));
   char buf[MAX_FIELD_WIDTH];
   spider_string str(buf, sizeof(buf), system_charset_info);
   DBUG_ENTER("spider_discover_table_structure");