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bug#20102: Problem with ld.so RUNPATH on armhf
From: |
Ludovic Courtès |
Subject: |
bug#20102: Problem with ld.so RUNPATH on armhf |
Date: |
Thu, 09 Apr 2015 10:18:00 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.4 (gnu/linux) |
Mark H Weaver <address@hidden> skribis:
> address@hidden (Ludovic Courtès) writes:
>
>> With a bit of additional debug, I can print the value of ‘libs’ in the
>> ‘ld-wrapper’ procedure:
>>
>> ;;; (libs
>> ("/gnu/store/fbdjazgwy3zyx8qc5z4ag0j78k2d7raw-glibc-2.21/lib/ld-linux-armhf.so.3"))
>>
>> This one comes from the -dynamic-linker flag, which is not passed on
>> x86_64.
>>
>> I believe this extra -dynamic-linker flag comes from a bogus ‘link’ spec
>> on ARM, solved by this:
>>
>> --- gcc-4.8.4/gcc/config/arm/linux-elf.h.orig 2015-04-08
>> 20:31:20.376900478 +0200
>> +++ gcc-4.8.4/gcc/config/arm/linux-elf.h 2015-04-08 20:31:36.437014437
>> +0200
>> @@ -65,7 +65,7 @@
>> %{symbolic:-Bsymbolic} \
>> %{!static: \
>> %{rdynamic:-export-dynamic} \
>> - -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \
>> + %{!shared:-dynamic-linker " GNU_USER_DYNAMIC_LINKER "}} \
>> -X \
>> %{mbig-endian:-EB} %{mlittle-endian:-EL}" \
>> SUBTARGET_EXTRA_LINK_SPEC
>>
>> That way it would match GNU_USER_TARGET_LINK_SPEC in i386/gnu-user.h,
>> where -dynamic-linker appears within %{!static ... %{!shared ...}}.
>>
>> So, could you do:
>>
>> (define patched-gcc
>> (package
>> (inherit gcc-4.8)
>> (sources (origin (inherit (package-source gcc-4.8))
>> (patches ...)))))
>>
>> build it, and then use it in the failed glibc build tree to rebuild
>> ld.so?
>
> Yes, this fixed the problem. I went ahead and pushed 1421afa94a to
> core-updates to apply this patch to gcc-4.8, gcc-4.9, and cross-gcc.
I’ve reported the problem at
<https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65711>.
Ludo’.
- bug#20102: Problem with ld.so RUNPATH on armhf, (continued)
- bug#20102: Problem with ld.so RUNPATH on armhf, Mark H Weaver, 2015/04/06
- bug#20102: Problem with ld.so RUNPATH on armhf, Ludovic Courtès, 2015/04/08
- bug#20102: Problem with ld.so RUNPATH on armhf, Mark H Weaver, 2015/04/08
- bug#20102: Problem with ld.so RUNPATH on armhf, Mark H Weaver, 2015/04/08
- bug#20102: Problem with ld.so RUNPATH on armhf, Ludovic Courtès, 2015/04/08
- bug#20102: Problem with ld.so RUNPATH on armhf, Mark H Weaver, 2015/04/08
- bug#20102: Problem with ld.so RUNPATH on armhf, Ludovic Courtès, 2015/04/08
- bug#20102: Problem with ld.so RUNPATH on armhf, Ludovic Courtès, 2015/04/08
- bug#20102: Problem with ld.so RUNPATH on armhf, Mark H Weaver, 2015/04/09
- bug#20102: Problem with ld.so RUNPATH on armhf, Ludovic Courtès, 2015/04/09
- bug#20102: Problem with ld.so RUNPATH on armhf,
Ludovic Courtès <=