Usage of EXTRA_CFLAGS

[Horst von Brand]

Here (sparc64) I get build failures due to EXTRA_CFLAGS being set in
arch/sparc64/kernel/Makefile:

  EXTRA_CFLAGS := -Werror

But if I override this setting (broken, filesistems use clear_user(),
discard the result and have comments justifiying this) on the make run like

  make EXTRA_CFLAGS= all

the build fails in security/selinux/avc.c, since security/selinux/Makefile
adds:

  EXTRA_CFLAGS += -Isecurity/selinux/include

For now, I edited arch/sparc64/Makefile. There has to be some way to
control stuff like -Werror independently of other stuff (or perhaps the
SELinux Makefile got it wrong?).
-- 
Dr. Horst H. von Brand                   User #22616 counter.li.org
Departamento de Informatica                     Fono: +56 32 654431
Universidad Tecnica Federico Santa Maria              +56 32 654239
Casilla 110-V, Valparaiso, Chile                Fax:  +56 32 797513
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