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Date: Thu, 31 Oct 2002 03:05:12 -0700
From: Erik Andersen <andersen@codepoet.org>
To: Rasmus Andersen <rasmus@jaquet.dk>
Cc: Adrian Bunk <bunk@fs.tum.de>, linux-kernel@vger.kernel.org
Subject: Re: CONFIG_TINY
Message-ID: <20021031100512.GA27985@codepoet.org>
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References: <20021030233605.A32411@jaquet.dk> <Pine.NEB.4.44.0210310145300.20835-100000@mimas.fachschaften.tu-muenchen.de> <20021031092440.B5815@jaquet.dk>
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On Thu Oct 31, 2002 at 09:24:40AM +0100, Rasmus Andersen wrote:
> On Thu, Oct 31, 2002 at 01:53:14AM +0100, Adrian Bunk wrote:
>=20
> Hi Adrian,
> >=20
> > could you try to use "-Os" instead of "-O2" as gcc optimization option
> > when CONFIG_TINY is enabled? Something like the following (completely
> > untested) patch:
>=20
> I tried -Os once, and it didn't boot for me. So I dumped it.

I build all my kernels with -Os and it works just fine for me.

--- orig/Makefile	Tue Aug 20 06:44:25 2002
+++ linux-2.4.19/Makefile	Tue Aug 20 06:44:25 2002
@@ -88,7 +88,7 @@
=20
 CPPFLAGS :=3D -D__KERNEL__ -I$(HPATH)
=20
-CFLAGS :=3D $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -O2 \
+CFLAGS :=3D $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
 	  -fno-strict-aliasing -fno-common
 ifndef CONFIG_FRAME_POINTER
 CFLAGS +=3D -fomit-frame-pointer

 -Erik

--
Erik B. Andersen             http://codepoet-consulting.com/
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