diff -uprN -x build -x comp_sql mysql-5.7.27_orig/CMakeLists.txt mysql-5.7.27/CMakeLists.txt
--- mysql-5.7.27_orig/CMakeLists.txt	2019-06-10 22:43:20.000000000 +0800
+++ mysql-5.7.27/CMakeLists.txt	2019-08-28 09:08:51.947233400 +0800
@@ -43,7 +43,33 @@ IF(CMAKE_VERSION VERSION_EQUAL "3.0.0" O
 ENDIF()
 
 MESSAGE(STATUS "Running cmake version ${CMAKE_VERSION}")
+if(PLAT_ARM64)  
+    # this one is important  
+    SET(CMAKE_SYSTEM_NAME Linux)  
+    #this one not so much  
+    SET(CMAKE_SYSTEM_VERSION 1) 
+	# this is install root directory
+	SET(CMAKE_INSTALL_PREFIX /usr)
+  
+    # specify the cross compiler  
+    SET(CMAKE_C_COMPILER   aarch64-linux-gnu-gcc)  
+    SET(CMAKE_CXX_COMPILER aarch64-linux-gnu-g++)  
+    SET(CMAKE_STRIP aarch64-fsl-linux-strip)  
+      
+    # specify the cross compile and link flags  
+    set(CMAKE_C_FLAGS "--sysroot=$ENV{SDKTARGETSYSROOT}")  
+    set(CMAKE_SHARED_LINKER_FLAGS "--sysroot=$ENV{SDKTARGETSYSROOT}")  
+    SET(CMAKE_LIBRARY_PATH $ENV{SDKTARGETSYSROOT}/usr/lib)
 
+    # where is the target environment   
+    SET(CMAKE_FIND_ROOT_PATH  ${SDKTARGETSYSROOT})  
+  
+    # search for programs in the build host directories  
+    SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)  
+    # for libraries and headers in the target directories  
+    SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)  
+    SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)  
+endif()  
 # Will set GIT_EXECUTABLE and GIT_FOUND
 FIND_PACKAGE(Git)
 
diff -uprN -x build -x comp_sql mysql-5.7.27_orig/storage/innobase/lock/lock0lock.cc mysql-5.7.27/storage/innobase/lock/lock0lock.cc
--- mysql-5.7.27_orig/storage/innobase/lock/lock0lock.cc	2019-06-10 22:43:20.000000000 +0800
+++ mysql-5.7.27/storage/innobase/lock/lock0lock.cc	2019-08-28 09:29:44.927757019 +0800
@@ -1647,7 +1647,7 @@ RecLock::mark_trx_for_rollback(trx_t* tr
 	bool		cas;
 	os_thread_id_t	thread_id = os_thread_get_curr_id();
 
-	cas = os_compare_and_swap_thread_id(&trx->killed_by, 0, thread_id);
+	cas = os_compare_and_swap_lint(&trx->killed_by, 0, thread_id);
 
 	ut_a(cas);
 
diff -uprN -x build -x comp_sql mysql-5.7.27_orig/storage/innobase/trx/trx0trx.cc mysql-5.7.27/storage/innobase/trx/trx0trx.cc
--- mysql-5.7.27_orig/storage/innobase/trx/trx0trx.cc	2019-06-10 22:43:20.000000000 +0800
+++ mysql-5.7.27/storage/innobase/trx/trx0trx.cc	2019-08-28 09:33:18.500084963 +0800
@@ -193,7 +193,7 @@ trx_init(
 	if (!TrxInInnoDB::is_async_rollback(trx)) {
 
 		os_thread_id_t	thread_id = trx->killed_by;
-		os_compare_and_swap_thread_id(&trx->killed_by, thread_id, 0);
+		os_compare_and_swap_uint32(&trx->killed_by, thread_id, 0);
 
 		/* Note: Do not set to 0, the ref count is decremented inside
 		the TrxInInnoDB() destructor. We only need to clear the flags. */
@@ -3381,7 +3381,7 @@ trx_kill_blocking(trx_t* trx)
 		ut_ad(victim_trx->version == version);
 
 		os_thread_id_t	thread_id = victim_trx->killed_by;
-		os_compare_and_swap_thread_id(&victim_trx->killed_by,
+		os_compare_and_swap_uint32(&victim_trx->killed_by,
 					      thread_id, 0);
 
 		victim_trx->in_innodb &= TRX_FORCE_ROLLBACK_MASK;