--- openjdk.orig/jdk/make/common/Defs-linux.gmk 2021-12-06 17:35:01.291049716 +0000
+++ openjdk/jdk/make/common/Defs-linux.gmk      2021-12-06 17:35:28.811707263 +0000
@@ -271,7 +271,7 @@
 #
 # Misc compiler options
 #
-CFLAGS_COMMON   = -fno-strict-aliasing
+CFLAGS_COMMON   = -fno-strict-aliasing -fcommon
 PIC_CODE_LARGE = -fPIC
 PIC_CODE_SMALL = -fpic
 GLOBAL_KPIC = $(PIC_CODE_LARGE)