[PATCH] fix missing option in binutils version check
trini at kernel.crashing.org
Tue Jul 13 01:11:19 EST 2004
On Mon, Jul 12, 2004 at 11:06:18AM +0200, Olaf Hering wrote:
> On Thu, Jul 08, Tom Rini wrote:
> > OK. After giving this a whirl (after a NAK from Matt, privately), it looks
> > like some versions of binutils don't make proper use of -many (in 2.14 it
> > will override ppc_cpu, and PPC_OPCODE_ANY doesn't look to be used). So
> > that brings us to the following patch. Olaf, can you please verify this
> > still works for you? Paul, is this OK with you?
> This is not enough.
> as needs -many (or at least -maltivec) unconditionally for binutils 2.15
> gcc needs also -maltivec because -mppc seems to disable -maltivec again.
Hmm. So with binutils 2.14, we need to do -many,-mppc as -many will
zero out all previous flags. On binutils 2.15, -mppc always resets
the cpu_flags, thus clearing out -many. -mppc64bridge, -me500 and
-m405/etc all do the same. So far we end up being lucky, imho, that
don't trip over this on !CONFIG_6xx. So while I'm not exactly happy
we have to do this, the following is the least ugly fix for this:
Signed-off-by: Tom Rini <trini at kernel.crashing.org>
--- 1.55/arch/ppc/Makefile 2004-07-05 03:27:10 -07:00
+++ edited//home/trini/work/kernel/pristine/linux-2.6/arch/ppc/Makefile 2004-07-12 08:10:10 -07:00
@@ -32,6 +32,7 @@
cflags-$(CONFIG_4xx) += -Wa,-m405
+cflags-$(CONFIG_6xx) += -Wa,-maltivec
cflags-$(CONFIG_E500) += -Wa,-me500
cflags-$(CONFIG_PPC64BRIDGE) += -Wa,-mppc64bridge
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