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List Archive: gentoo-amd64
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To: gentoo-amd64@g.o
From: David Edge <daveedge@...>
Subject: Re: Compiling mozilla/firefox with -O2
Date: Mon, 07 Nov 2005 16:07:20 +0000
Simon Strandman wrote:

> The mozconfig eclass strips flags down to -O1 on amd64 with the 
> explanation "more than -O1 causes segfaults on 64-bit (bug 33767)". 
> That bug is two years old and we have a much improved amd64 toolchain 
> since. I've been compiling firefox and and mozilla with -O2 and -Os 
> for quite some time and never had any problems at all. And this is 
> also what binary distros does. I opened a bug about it but nobody 
> responded:
> http://bugs.gentoo.org/show_bug.cgi?id=86571
>
> So please test compiling firefox and other mozilla apps with -O2 and 
> respond to that bug so this can be fixed!
>
Not sure about this - I have built both Mozilla and Firefox with both O1 
and O2, and get a problem. At seemingly random intervals, on no site in 
particular, when drawing a new page, I get rubbish on the screen - both 
inside the browser window and in other windows and on the root window - 
I have to shut down and restart X to have a usable system again.
This only seems to happen when I use the browser, so I'm sure it's a 
Mozilla/Firefox problem. I haven't really had time to investigate and am 
new to Gentoo, so didn't really want to raise a bug without more 
investigation.
Cheers, Dave

Portage 2.0.51.22-r3 (default-linux/amd64/2005.1, gcc-3.4.4, 
glibc-2.3.5-r2, 2.6.13-gentoo-r5 x86_64)
=================================================================
System uname: 2.6.13-gentoo-r5 x86_64 AMD Opteron(tm) Processor 248
Gentoo Base System version 1.6.13
ccache version 2.3 [enabled]
dev-lang/python:     2.3.5-r2, 2.4.2
sys-apps/sandbox:    1.2.12
sys-devel/autoconf:  2.13, 2.59-r6
sys-devel/automake:  1.4_p6, 1.5, 1.6.3, 1.7.9-r1, 1.8.5-r3, 1.9.6-r1
sys-devel/binutils:  2.15.92.0.2-r10
sys-devel/libtool:   1.5.20
virtual/os-headers:  2.6.11-r2
ACCEPT_KEYWORDS="amd64"
AUTOCLEAN="yes"
CBUILD="x86_64-pc-linux-gnu"
CFLAGS="-march=k8 -pipe -O2"
CHOST="x86_64-pc-linux-gnu"
CONFIG_PROTECT="/etc /usr/kde/2/share/config /usr/kde/3/share/config 
/usr/share/config /var/qmail/control"
CONFIG_PROTECT_MASK="/etc/gconf /etc/env.d"
CXXFLAGS="-march=k8 -pipe -O2"
DISTDIR="/usr/portage/distfiles"
FEATURES="autoconfig ccache distlocks sandbox sfperms strict"
GENTOO_MIRRORS="http://ftp.belnet.be/mirror/rsync.gentoo.org/gentoo/ 
http://ftp.heanet.ie/pub/gentoo/ 
http://ftp.snt.utwente.nl/pub/os/linux/gentoo 
http://gentoo.blueyonder.co.uk"
MAKEOPTS="-j3"
PKGDIR="/usr/portage/packages"
PORTAGE_TMPDIR="/var/tmp"
PORTDIR="/usr/portage"
SYNC="rsync://rsync.europe.gentoo.org/gentoo-portage"
USE="amd64 X a52 aac acl acpi alsa avi berkdb bitmap-fonts bzip2 cdr 
crypt cups curl dvd dvdr dvdread eds emboss emul-linux-x86 encode esd 
exif fam ffmpeg flac foomaticdb fortran ftp gif glut gnome gphoto2 gpm 
gstreamer gtk gtk2 hardened imagemagick imlib ipv6 java jpeg lzw 
lzw-tiff mozilla mp3 mpeg ncurses nls nsplugin offensive ogg opengl pam 
pdflib perl png python quicktime readline sdl spell ssl tcpd tiff 
truetype-fonts type1-fonts udev usb userlocales vorbis xml2 xmms xpm xv 
zlib userland_GNU kernel_linux elibc_glibc"
Unset:  ASFLAGS, CTARGET, LANG, LC_ALL, LDFLAGS, LINGUAS, PORTDIR_OVERLAY


-- 
gentoo-amd64@g.o mailing list


Replies:
Re: Compiling mozilla/firefox with -O2
-- Simon Strandman
References:
Compiling mozilla/firefox with -O2
-- Simon Strandman
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Updated Jun 17, 2009

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