GNU bug report logs - #36813
'program-file' does not respect 'system' and 'target'

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From: zerodaysfordays <at> sdf.lonestar.org (Jakob L. Kreuze)
To: Ludovic Courtès <ludo <at> gnu.org>
Cc: 36813 <at> debbugs.gnu.org
Subject: bug#36813: 'lower-gexp' does not respect 'system' or 'target' keywords
Date: Fri, 26 Jul 2019 10:30:38 -0400

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Hi Ludo,

Ludovic Courtès <ludo <at> gnu.org> writes:

> Note: #:target must be a “GNU triplet” like “arm-linux-gnueabihf”, not
> a system type like “i686-linux”.

Thanks, is 'nix-system->gnu-triplet' the suggested way of obtaining the
triplet for a system?

> That’s because the Guile used here comes from the #:guile-for-build
> parameter.
>
> So the caller is responsible for doing the right thing here.  In fact,
> if you do:
>
>   (lower-gexp exp #:system whatever #:guile-for-build #f)
>
> it will automatically take care of computing the right Guile for this
> system.  For consistency, I don’t think we should change the default,
> though.
>
> WDYT?

Changing it to the following:

#+BEGIN_SRC scheme
(lower-gexp exp
            #:system "i686-linux"
            #:target "i686-unknown-linux-gnu"
            #:guile-for-build #f)
#+END_SRC

The Guile used is still a 64-bit LSB executable. Similarly, the
<operating-system> that's ungexp'd has a profile containing x86_64
executables.

[output (text/plain, inline)]

jakob <at> Epsilon ~ $ readlink /gnu/store/6z5hdxjr8db4qm4d578lly3l87mlgkpv-system/profile/bin/* | xargs file
/gnu/store/5s2nib1lrd2101bbrivcl17kjx1mspw6-coreutils-8.30/bin/[:                 ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /gnu/store/h90vnqw0nwd0hhm1l5dgxsdrigddfmq4-glibc-2.28/lib/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, not stripped
/gnu/store/9y5cvqnincp2ax5kxyv43zr7gdd89vs2-man-db-2.8.5/bin/apropos:             symbolic link to whatis
/gnu/store/lm3i15cvw4ybsnf2lsam5nj76kqbjg2k-libtasn1-4.13/bin/asn1Coding:         ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /gnu/store/h90vnqw0nwd0hhm1l5dgxsdrigddfmq4-glibc-2.28/lib/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, not stripped
/gnu/store/lm3i15cvw4ybsnf2lsam5nj76kqbjg2k-libtasn1-4.13/bin/asn1Decoding:       ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /gnu/store/h90vnqw0nwd0hhm1l5dgxsdrigddfmq4-glibc-2.28/lib/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, not stripped
/gnu/store/lm3i15cvw4ybsnf2lsam5nj76kqbjg2k-libtasn1-4.13/bin/asn1Parser:         ELF 64-bit LSB executable, x86-64, version 1 (SYSV), dynamically linked, interpreter /gnu/store/h90vnqw0nwd0hhm1l5dgxsdrigddfmq4-glibc-2.28/lib/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, not stripped
...

[Message part 3 (text/plain, inline)]

Regards,
Jakob

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