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travlr
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Joined: 20 Apr 2005
Posts: 158
Location: USA
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 Posted: Thu Mar 23, 2006 1:22 pm Post subject: |
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| Gergan Penkov wrote: |
It works here without the
| Code: | | -Wl, --sort-common -s |
I use only
| Code: | | -Wl,-O1 -Wl,--as-needed |
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Thanks Gergan,
but that doesn't work either for me. Here's the error for any combination of ld flags used. | Code: | !!!ERROR: sys-libs/timezone-data-2006b failed.
Call stack
ebuild.sh, line 1565 Called dyn_compile
ebuild.sh, line 974: Called src_compile |
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Pandor
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Hum
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WTFman
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| Posted: Thu Mar 23, 2006 3:53 pm Post subject: |
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I'm having probs w/ libsdl as well, I was told to compile nasm without fforce addr, but that did not help me, wish I could find an answer.
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Pandor
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| Posted: Thu Mar 23, 2006 7:55 pm Post subject: |
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| Hum wrote: | https://forums.gentoo.org/viewtopic-t-442247-start-50.html
look at the bottom |
thx for the tip.
I dont want to completely remove the cflag from my config, so is there any way to strip it from within an ebuild?
That way i could just make a nasm ebuild in my overlay.
btw, why did it compile before then? the cflag has always been there and libsdl is in my world file so i emerged it succesfully before...
If it doesn't work, i might just change to ebuild to add "--disable-nasm" when running configure to disable the assembly code in SDL... |
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walrus_55
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| Posted: Thu Mar 23, 2006 10:49 pm Post subject: |
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| Well i managed to compile gcc-4.1, i had to disable the gtk flag for it to work. Has anyone else heard of this flag causing gcc not to compile? |
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Hum
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Joined: 13 Oct 2005
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Location: Canada
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| Posted: Thu Mar 23, 2006 11:00 pm Post subject: |
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| Pandor wrote: | | Hum wrote: | https://forums.gentoo.org/viewtopic-t-442247-start-50.html
look at the bottom |
thx for the tip.
I dont want to completely remove the cflag from my config, so is there any way to strip it from within an ebuild?
That way i could just make a nasm ebuild in my overlay.
btw, why did it compile before then? the cflag has always been there and libsdl is in my world file so i emerged it succesfully before...
If it doesn't work, i might just change to ebuild to add "--disable-nasm" when running configure to disable the assembly code in SDL... |
I just made an overlay for nasm and filtered out the flags in the ebuild
http://dev.gentoo.org/~plasmaroo/devmanual/ebuild-writing/functions/src_compile/buildenv/
should be a pretty good guide on how to filter it out. |
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Pandor
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| Posted: Fri Mar 24, 2006 2:29 pm Post subject: |
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Thx, very usefull link.  |
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Pandor
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| Posted: Fri Mar 24, 2006 5:15 pm Post subject: |
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Here we go. I created and emerged an overlay for nasm wich strips fomit-frame-pointer and tried compiling libsdl again but it still chokes on hermes.
I guess i'll just have to disable nasm support for libsdl for now... |
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irondog
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Joined: 07 Jul 2003
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Location: Voor mijn TV. Achter mijn pc.
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| Posted: Fri Mar 24, 2006 7:26 pm Post subject: |
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Has anyone here been able to build a GCC-4.1 crosscompiler for ARM with C++ support? I've tested crossdev with GCC 4.1 for both glibc 2.4 and glibc 2.3.6. The first one refused to build because it's nptl only. The latter because it's GCC 4.1 incompatible.
Is it impossible to have an nptl-only glibc for ARM or is this a problem with the ebuild?
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Exner
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| Posted: Fri Mar 24, 2006 11:58 pm Post subject: |
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| Gergan Penkov wrote: | I use only | Code: | | -Wl,-O1 -Wl,--as-needed |
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How does use of these linker flags affect prelink? Does it make prelink any less useful?
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nesl247
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| Posted: Sat Mar 25, 2006 12:15 am Post subject: |
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| Pandor wrote: | Here we go. I created and emerged an overlay for nasm wich strips fomit-frame-pointer and tried compiling libsdl again but it still chokes on hermes.
I guess i'll just have to disable nasm support for libsdl for now... |
This also applies to Hum and Pandor (This is the easier method over maintaining an overlay when it is a cflag. Try reporting it to bugzilla if it does not exist)
You need to do the following
| /etc/portage/bashrc: | case ${CATEGORY}/${PN} in
"dev-lang/nasm")
CFLAGS="${CFLAGS} -fno-force-addr"
;;
esac |
This tells nasm to build without -fforce-addr. So after adding that, emerge --oneshot nasm. Then libsdl will compile.
Works for me, or at least it did. If you could test it that would be nice. |
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Pandor
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Joined: 16 Nov 2005
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| Posted: Sat Mar 25, 2006 10:43 am Post subject: |
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Man, i feel so stupid... 
I created an ebuild wich strips fomit-frame-pointer, not fforce-addr 
Whatever gave me that idea.. must have been the sandman. 
*edit* It worked! i'm going to remove my overlay now and add the lines to bashrc.
Thx for the bashrc tip. |
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Gergan Penkov
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| Posted: Sat Mar 25, 2006 11:11 am Post subject: |
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| Exner wrote: | | Gergan Penkov wrote: | I use only | Code: | | -Wl,-O1 -Wl,--as-needed |
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How does use of these linker flags affect prelink? Does it make prelink any less useful? |
I'm not sure as I never used prelink, but I think that they could be used together.
--as-needed - has only one virtue, which in turn is very, very helpful to the gentoo system - it links only the needed libraries.
so if the package links to sth like
| Code: | /usr/lib/libgtk-x11-2.0.so /usr/lib/libgdk-x11-2.0.so /usr/lib/libatk-1.0.so /usr/lib/libgdk_pixbuf-2.0.so /usr/lib/libpangocairo-1.0.so /usr/lib/libpangoft2-1.0.so /usr/lib/libpango-1.0.so -lm /usr/lib/libcairo.so /usr/lib/libXrender.so -lpng12 /usr/lib/libglitz.so /usr/lib/libfontconfig.so /usr/lib/libfreetype.so /usr/lib/libexpat.so -lz /usr/lib/gcc/i686-pc-linux-gnu/4.1.0/libstdc++.so /usr/lib/libgobject-2.0.so /usr/lib/libgmodule-2.0.so /usr/lib/libglib-2.0.so /usr/lib/libstartup-notification-1.so /usr/lib/libSM.so /usr/lib/libICE.so /usr/lib/libXRes.so /usr/lib/libXext.so /usr/lib/libX11.so /usr/lib/libXau.so /usr/lib/libXdmcp.so -ldl
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this is from libwnck
| Code: | 0x00000001 (NEEDED) Shared library: [libgtk-x11-2.0.so.0]
0x00000001 (NEEDED) Shared library: [libgdk-x11-2.0.so.0]
0x00000001 (NEEDED) Shared library: [libatk-1.0.so.0]
0x00000001 (NEEDED) Shared library: [libgdk_pixbuf-2.0.so.0]
0x00000001 (NEEDED) Shared library: [libm.so.6]
0x00000001 (NEEDED) Shared library: [libpangocairo-1.0.so.0]
0x00000001 (NEEDED) Shared library: [libpango-1.0.so.0]
0x00000001 (NEEDED) Shared library: [libcairo.so.2]
0x00000001 (NEEDED) Shared library: [libgobject-2.0.so.0]
0x00000001 (NEEDED) Shared library: [libgmodule-2.0.so.0]
0x00000001 (NEEDED) Shared library: [libdl.so.2]
0x00000001 (NEEDED) Shared library: [libglib-2.0.so.0]
0x00000001 (NEEDED) Shared library: [libstartup-notification-1.so.0]
0x00000001 (NEEDED) Shared library: [libSM.so.6]
0x00000001 (NEEDED) Shared library: [libICE.so.6]
0x00000001 (NEEDED) Shared library: [libX11.so.6]
0x00000001 (NEEDED) Shared library: [libXRes.so.1]
0x00000001 (NEEDED) Shared library: [libXext.so.6]
0x00000001 (NEEDED) Shared library: [libc.so.6]
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after --as-needed the linked libraries are only those, which are really needed.
Now this prevents some problems you could look here here or here
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Pandor
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Joined: 16 Nov 2005
Posts: 128
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| Posted: Sat Mar 25, 2006 3:53 pm Post subject: |
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| nesl247 wrote: |
...
You need to do the following
| /etc/portage/bashrc: | case ${CATEGORY}/${PN} in
"dev-lang/nasm")
CFLAGS="${CFLAGS} -fno-force-addr"
;;
esac |
This tells nasm to build without -fforce-addr. So after adding that, emerge --oneshot nasm. Then libsdl will compile.
Works for me, or at least it did. If you could test it that would be nice. |
Well, i just tested it by creating /etc/portage/bashrc but i get strange results when compiling..
the output looks like this:
| Code: | | i686-pc-linux-gnu-gcc -c -O3 -march=athlon-xp -fforce-addr -fomit-frame-pointer -ftracer -pipe -fno-force-addr -fno-force-addr -fno-force-addr -Wall -std=c99 -pedantic -DHAVE_CONFIG_H -I. -I. -o nasm.o nasm.c |
notice that it says -fno-force-addr 3 times.. |
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nesl247
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Joined: 15 Jun 2004
Posts: 1614
Location: Florida
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| Posted: Sat Mar 25, 2006 3:55 pm Post subject: |
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| Yeah, I have no idea why it does that, but it should be safe. I haven't had any problems. |
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Pandor
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Joined: 16 Nov 2005
Posts: 128
Location: Belgium
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| Posted: Sat Mar 25, 2006 4:12 pm Post subject: |
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| nesl247 wrote: | | Yeah, I have no idea why it does that, but it should be safe. I haven't had any problems. |
It must be looping the case statement for some reason, but why..
aah.. the mistories of portage  |
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nesl247
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Location: Florida
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| Posted: Sat Mar 25, 2006 4:16 pm Post subject: |
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This is from the portage developers on IRC
| Code: | <ferringb> it's executed for every phase.
<blubb> nesl247: it's executed for each phase |
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Gergan Penkov
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Joined: 17 Jul 2004
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Location: das kleinste Kuhdorf Deutschlands :)
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| Posted: Sat Mar 25, 2006 4:31 pm Post subject: |
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You could use sth like this to test in which phase it is called:
| Code: | if [ "$0" = "/usr/lib/portage/bin/ebuild.sh" -o "$0" = "/usr/lib/portage/bin/ebuild-daemon.sh" ]
then |
It is taken from some thread about pro package, linker, c and cxx flags, which I use
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matthew2k
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Location: Germany
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| Posted: Sun Mar 26, 2006 9:17 am Post subject: gcc 4.1.0 miscompiles xorg-server |
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Hello everyone.
I hope nobody minds that I just point to my bugzilla report to avoid redudant posting: https://bugs.gentoo.org/show_bug.cgi?id=127608. Did someone maybe hit that bug too?
Thanks a lot... matthew. |
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rhill
Retired Dev
Joined: 22 Oct 2004
Posts: 1629
Location: sk.ca
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| Posted: Mon Mar 27, 2006 6:54 am Post subject: |
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Martin Michlmayr has posted an interesting summary on the results of building the entire Debian archive with GCC 4.1 on MIPS and EM64T.
http://lists.debian.org/debian-gcc/2006/03/msg00405.html
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Bob P
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Posts: 3355
Location: Jackass! Development Labs
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| Posted: Mon Mar 27, 2006 9:37 am Post subject: |
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Thanks for the link. I especially liked this part:
| Martin Michlmayr wrote: | Musings
-------
Obviously, compiling the archive from source leads to many important
insights. What I found out over the last two weeks is just how much
work it actually is. |
I'm still laughing about his comment about how long it takes to compile everything. That's just so funny it hurts to laugh. 
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geki
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Posts: 2387
Location: Germania
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| Posted: Mon Mar 27, 2006 9:58 am Post subject: Re: gcc 4.1.0 miscompiles xorg-server |
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| matthew2k wrote: | | https://bugs.gentoo.org/show_bug.cgi?id=127608 |
It sounds like http://gcc.gnu.org/bugzilla/show_bug.cgi?id=26763
Try to recompile xorg-server with this cflag added
| Quote: | | -fno-tree-loop-optimize |
... | Quote: | # man gcc
-ftree-loop-optimize
Perform loop optimizations on trees. This flag is enabled by default at -O and higher. |
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nxsty
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| Posted: Mon Mar 27, 2006 10:19 am Post subject: |
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| I opened bug #127724 about the problem with gcc 4.1 snapshots installing files in the wrong dirs. |
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matthew2k
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| Posted: Mon Mar 27, 2006 8:43 pm Post subject: Re: gcc 4.1.0 miscompiles xorg-server |
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Thanks for the hint. I posted a link in my bug report and I will have a closer look at it later this week because university keeps me quite busy lately.  |
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