lkml.org 
[lkml]   [2002]   [Oct]   [31]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: CONFIG_TINY
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:
>
> Hi Adrian,
> >
> > 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:
>
> 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 @@

CPPFLAGS := -D__KERNEL__ -I$(HPATH)

-CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -O2 \
+CFLAGS := $(CPPFLAGS) -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
-fno-strict-aliasing -fno-common
ifndef CONFIG_FRAME_POINTER
CFLAGS += -fomit-frame-pointer
-Erik

--
Erik B. Andersen http://codepoet-consulting.com/
--This message was written using 73% post-consumer electrons--
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2005-03-22 13:30    [W:0.146 / U:0.060 seconds]
©2003-2014 Jasper Spaans. Advertise on this site