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honeymak
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Joined: 30 Dec 2002
Posts: 586
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 Posted: Wed Aug 18, 2010 9:20 am Post subject: multilib missing 64 gcc - using stage3-sparc64-multilib-2010 |
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livecd / # cd /usr/src/linux && make CROSS_COMPILE=sparc64-unknown-linux-gnu- && make CROSS_COMPILE=sparc64-unknown-linux-gnu- image modules_install
make: sparc64-unknown-linux-gnu-gcc: Command not found
CHK include/linux/version.h
CHK include/generated/utsrelease.h
CC kernel/bounds.s
/bin/sh: sparc64-unknown-linux-gnu-gcc: command not found
make[1]: *** [kernel/bounds.s] Error 127
make: *** [prepare0] Error 2
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ls output:
| Code: |
livecd linux # sp
sparc sparc-unknown-linux-gnu-gcc-4.3.4 sparc-unknown-linux-gnu-strip sparc64-unknown-linux-gnu-objdump
sparc-unknown-linux-gnu-addr2line sparc-unknown-linux-gnu-gfortran sparc32 sparc64-unknown-linux-gnu-ranlib
sparc-unknown-linux-gnu-ar sparc-unknown-linux-gnu-gfortran-4.3.4 sparc32bash sparc64-unknown-linux-gnu-readelf
sparc-unknown-linux-gnu-as sparc-unknown-linux-gnu-gprof sparc64 sparc64-unknown-linux-gnu-size
sparc-unknown-linux-gnu-c++ sparc-unknown-linux-gnu-ld sparc64-unknown-linux-gnu-addr2line sparc64-unknown-linux-gnu-strings
sparc-unknown-linux-gnu-c++-4.3.4 sparc-unknown-linux-gnu-nm sparc64-unknown-linux-gnu-ar sparc64-unknown-linux-gnu-strip
sparc-unknown-linux-gnu-c++filt sparc-unknown-linux-gnu-objcopy sparc64-unknown-linux-gnu-as splain
sparc-unknown-linux-gnu-cpp sparc-unknown-linux-gnu-objdump sparc64-unknown-linux-gnu-c++filt split
sparc-unknown-linux-gnu-cpp-4.3.4 sparc-unknown-linux-gnu-ranlib sparc64-unknown-linux-gnu-gprof sprof
sparc-unknown-linux-gnu-g++ sparc-unknown-linux-gnu-readelf sparc64-unknown-linux-gnu-ld
sparc-unknown-linux-gnu-g++-4.3.4 sparc-unknown-linux-gnu-size sparc64-unknown-linux-gnu-nm
sparc-unknown-linux-gnu-gcc sparc-unknown-linux-gnu-strings sparc64-unknown-linux-gnu-objcopy
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aderesch
Tux's lil' helper
Joined: 06 Mar 2010
Posts: 123
Location: Hamburg, Germany
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| Posted: Wed Aug 18, 2010 5:41 pm Post subject: Re: multilib missing 64 gcc - using stage3-sparc64-multilib- |
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Don't use CROSS_COMPILE on multilib, as the regular gcc now supports -m32 and -m64. You only ever need to set -m64 explicitly when you want to manually compile a 64-bit userspace program, not for the kernel or portage.
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honeymak
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| Posted: Wed Aug 18, 2010 11:22 pm Post subject: |
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thus...genkernel cannot be working....
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aderesch
Tux's lil' helper
Joined: 06 Mar 2010
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| Posted: Thu Aug 19, 2010 3:38 pm Post subject: |
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| honeymak wrote: | | thus...genkernel cannot be working.... |
Hhmm, I suppose just making sparc64-unknown-linux-gnu-gcc a link pointing to sparc-unknown-linux-gnu-gcc would work for now (quick'n'dirty). The kernel makefiles pass -m64 anyway.
Or just build the kernel manually ... Or try to fix/enhance genkernel ...
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alexbuell
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Joined: 18 Jul 2002
Posts: 498
Location: "Hemp"shire, UK
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| Posted: Fri Oct 15, 2010 9:18 am Post subject: Re: multilib missing 64 gcc - using stage3-sparc64-multilib- |
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| aderesch wrote: | Don't use CROSS_COMPILE on multilib, as the regular gcc now supports -m32 and -m64. You only ever need to set -m64 explicitly when you want to manually compile a 64-bit userspace program, not for the kernel or portage.
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Which compiler would that be? gcc 4.4.3 won't do it:
cc1: error: unrecognized command line option "-m64".
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aderesch
Tux's lil' helper
Joined: 06 Mar 2010
Posts: 123
Location: Hamburg, Germany
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| Posted: Fri Oct 15, 2010 4:32 pm Post subject: Re: multilib missing 64 gcc - using stage3-sparc64-multilib- |
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| alexbuell wrote: | Which compiler would that be? gcc 4.4.3 won't do it:
cc1: error: unrecognized command line option "-m64". |
I can verify 4.3.5 and 4.4.4-r1 on sparc, 4.4.4-r2 and 4.5.1 on amd64 right now.
Are you sure that you are running a multilib profile (experimental on sparc) and have (re)built that particular gcc version with the multilib USE flag?
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alexbuell
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Joined: 18 Jul 2002
Posts: 498
Location: "Hemp"shire, UK
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| Posted: Fri Oct 15, 2010 9:07 pm Post subject: Re: multilib missing 64 gcc - using stage3-sparc64-multilib- |
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| aderesch wrote: | | alexbuell wrote: | Which compiler would that be? gcc 4.4.3 won't do it:
cc1: error: unrecognized command line option "-m64". |
I can verify 4.3.5 and 4.4.4-r1 on sparc, 4.4.4-r2 and 4.5.1 on amd64 right now.
Are you sure that you are running a multilib profile (experimental on sparc) and have (re)built that particular gcc version with the multilib USE flag?
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Ah, multilib. How did you manage to build glibc and gcc? I've been trying for ages to get a 64bit glibc and gcc built. Even building a sparc64 cross-compiler on my P4 laptap fails with an error (already filed a bug report on this but no help, they even asked me to try and find a workaround for it!)
Mamy thanks!
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aderesch
Tux's lil' helper
Joined: 06 Mar 2010
Posts: 123
Location: Hamburg, Germany
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| Posted: Sat Oct 16, 2010 6:34 am Post subject: Re: multilib missing 64 gcc - using stage3-sparc64-multilib- |
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| alexbuell wrote: | | Ah, multilib. How did you manage to build glibc and gcc? I've been trying for ages to get a 64bit glibc and gcc built. Even building a sparc64 cross-compiler on my P4 laptap fails with an error (already filed a bug report on this but no help, they even asked me to try and find a workaround for it!) |
To be honest I don't recall any details (judging from compilation times I seem to have switched in August of last year), but I believe I simply followed the multilib migration guide http://www.gentoo.org/proj/en/base/sparc/multilib.xml, which basically installs a binary multilib glibc in order to compile a multilib gcc. So the basic problem has now become someone else's, which may not help you. If there were any glitches, they must have been easy to fix. Maybe honeymak can shed more light on the current state.
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