From: Hollis Blanchard <hollisb@us.ibm.com>
To: Sam Ravnborg <sam@ravnborg.org>
Cc: linux-kernel@vger.kernel.org
Subject: using cc-option in arch/ppc64/boot/Makefile
Date: Thu, 14 Oct 2004 16:11:32 +0000 [thread overview]
Message-ID: <200410141611.32198.hollisb@us.ibm.com> (raw)
Hi Sam, I would like to use "cc-option-yn" in arch/ppc64/boot/Makefile.
All recent 64-bit gcc/binutils can produce 32-bit code by passing -m32 (or
similar) to them. arch/ppc64/boot/zImage is actually a 32-bit executable, and
the Makefile still requires a separate 32-bit cross-compiler to build it (in
addition to the 64-bit cross-compiler used for the vmlinux). To decide if
$(CC) can handle -m32, I'd like to use cc-option-yn (as in
arch/ppc64/Makefile).
I've tried moving the cc-option stuff out of the top-level Makefile into
something that can be included from arch/ppc64/boot/Makefile, but so far the
right magic has escaped me. Any ideas?
--
Hollis Blanchard
IBM Linux Technology Center
next reply other threads:[~2004-10-14 21:20 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-14 16:11 Hollis Blanchard [this message]
2004-10-17 9:57 ` Sam Ravnborg
2004-10-18 13:47 ` Hollis Blanchard
2004-10-18 21:01 ` Sam Ravnborg
2004-10-18 15:58 ` Hollis Blanchard
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