8377905: gcc.md included with every build

Backport-of: c5a2421

Author: Nibedita Jena

make/modules/java.base/Copy.gmk

@@ -1,5 +1,5 @@
 #
-# Copyright (c) 2014, 2025, Oracle and/or its affiliates. All rights reserved.
+# Copyright (c) 2014, 2026, Oracle and/or its affiliates. All rights reserved.
 # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 #
 # This code is free software; you can redistribute it and/or modify it
@@ -172,6 +172,10 @@ ifeq ($(USE_EXTERNAL_LIBZ), true)
   LEGAL_EXCLUDES += zlib.md
 endif
 
+ifneq ($(TOOLCHAIN_TYPE), gcc)
+  LEGAL_EXCLUDES += gcc.md
+endif
+
 $(eval $(call SetupCopyLegalFiles, COPY_LEGAL, \
     EXCLUDES := $(LEGAL_EXCLUDES), \
 ))