MySQL 5.1 -> Maria 5.1 merge: Fix windows build

- Fix XtraDB to be built as a static library.

storage/xtradb/buf/buf0flu.c:
  Fix previous merge error (was harmless except for on win32)
storage/xtradb/plug.in:
  Make it sync with innobase/plug.in.disabled

CMakeLists.txt

@@ -226,6 +226,14 @@ FOREACH(SUBDIR ${STORAGE_SUBDIRS})
         STRING (REGEX MATCH  "MYSQL_PLUGIN_MANDATORY"  MYSQL_PLUGIN_MANDATORY  ${PLUGIN_FILE_CONTENT})
         STRING (REGEX MATCH  "MYSQL_PLUGIN_STATIC"  MYSQL_PLUGIN_STATIC  ${PLUGIN_FILE_CONTENT})
         
+	#
+	# XTRADB is located in storage/xtradb, but it says everywhere it is 'innobase' (e.g.
+        #  it declares 'builtin_innobase_plugin', not builtin_xtradb_plugin).
+	# Extract the intended plugin name from MYSQL_STORAGE_ENGINE definition and use it 
+	# where appropriate.
+	STRING (REGEX MATCH  "MYSQL_STORAGE_ENGINE.[a-z]*" PLUGIN_NAME ${PLUGIN_FILE_CONTENT})
+	STRING (REGEX REPLACE "MYSQL_STORAGE_ENGINE.(.*)" "\\1" PLUGIN_NAME ${PLUGIN_NAME})
+
         IF(MYSQL_PLUGIN_MANDATORY)
           SET(WITH_${ENGINE}_STORAGE_ENGINE TRUE)
         ENDIF(MYSQL_PLUGIN_MANDATORY)
@@ -238,8 +246,8 @@ FOREACH(SUBDIR ${STORAGE_SUBDIRS})
           SET(ENGINE_BUILD_TYPE "NONE")
         ENDIF(WITH_${ENGINE}_STORAGE_ENGINE AND MYSQL_PLUGIN_STATIC)
         IF (ENGINE_BUILD_TYPE STREQUAL "STATIC") 
-          SET (mysql_plugin_defs  "${mysql_plugin_defs},builtin_${ENGINE_LOWER}_plugin")
-          SET (MYSQLD_STATIC_ENGINE_LIBS ${MYSQLD_STATIC_ENGINE_LIBS} ${ENGINE_LOWER})
+          SET (mysql_plugin_defs  "${mysql_plugin_defs},builtin_${PLUGIN_NAME}_plugin")
+          SET (MYSQLD_STATIC_ENGINE_LIBS ${MYSQLD_STATIC_ENGINE_LIBS} ${PLUGIN_NAME})
           SET (STORAGE_ENGINE_DEFS "${STORAGE_ENGINE_DEFS} -DWITH_${ENGINE}_STORAGE_ENGINE")
           SET (WITH_${ENGINE}_STORAGE_ENGINE TRUE)
         ENDIF (ENGINE_BUILD_TYPE STREQUAL "STATIC")

storage/xtradb/buf/buf0flu.c

@@ -1107,6 +1107,8 @@ buf_flush_batch(
 			mutex_exit(block_mutex);
 
 			if (ready) {
+				mutex_t* block_mutex;
+				buf_page_t* bpage_tmp;
 				space = buf_page_get_space(bpage);
 				offset = buf_page_get_page_no(bpage);
 
@@ -1120,8 +1122,6 @@ buf_flush_batch(
 				/* Try to flush also all the neighbors */
 				page_count += buf_flush_try_neighbors(
 					space, offset, flush_type, srv_flush_neighbor_pages);
-                                        mutex_t* block_mutex;
-                                        buf_page_t* bpage_tmp;
 				block_mutex = buf_page_get_mutex(bpage);
 				bpage_tmp = buf_page_hash_get(space, offset);
 				/* fprintf(stderr,

storage/xtradb/plug.in

@@ -20,7 +20,9 @@ MYSQL_PLUGIN_DIRECTORY(innobase, [storage/xtradb])
 MYSQL_PLUGIN_STATIC(innobase,   [libinnobase.a])
 MYSQL_PLUGIN_DYNAMIC(innobase,  [ha_innodb.la])
 MYSQL_PLUGIN_ACTIONS(innobase,  [
-  AC_CHECK_HEADERS(sched.h)
+  AC_CHECK_LIB(rt, aio_read, [innodb_system_libs="-lrt"])
+  AC_SUBST(innodb_system_libs)
+  AC_CHECK_HEADERS(aio.h sched.h)
   AC_CHECK_SIZEOF(int, 4)
   AC_CHECK_SIZEOF(long, 4)
   AC_CHECK_SIZEOF(void*, 4)