bug#37403: Cannot 'guix guix build --target=x86_64-w64-mingw32 perl'

[P via Bug reports for GNU Guix <bug-guix@gnu.org>]

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Saturday, September 14, 2019 7:53 AM, Vivien Kraus <vivien@planete-kraus.eu> wrote:

> Hello guix,
>
> Trying to run 'guix build --target=x86_64-w64-mingw32 perl' results in
> the following exception in the latest stages of the build:
>
> phase `install' succeeded after 36.7 seconds starting phase`remove-extra-references'
> Backtrace:
> 13 (primitive-load "/gnu/store/qnavzfxvw5rng7z8rzlx9zw0ji9…")
> In ice-9/eval.scm:
> 191:35 12 (_ _)
> In srfi/srfi-1.scm:
> 863:16 11 (every1 #<procedure 61edc0 at /gnu/store/gfprsx2m62cvq…> …)
> In /gnu/store/gfprsx2m62cvqbh7ysc9ay9slhijvmal-module-import/guix/build/gnu-build-system.scm:
> 799:28 10 (_ )
> In ice-9/eval.scm:
> 619:8 9 ( #(#(#(#(#(#(#<directory (guile-user)…>) …) …) …) …) …))In ice-9/boot-9.scm:
> 841:4 8 (with-throw-handler _ _ _)
> In ice-9/ports.scm:
> 444:17 7 (call-with-input-file _ _ #:binary _ #:encoding _ # )
> In /gnu/store/gfprsx2m62cvqbh7ysc9ay9slhijvmal-module-import/guix/build/utils.scm:
> 641:26 6 ( )
> 667:26 5 ( #<input: /gnu/store/fa7x5xq709dvsx0rnz167f5ba2h6ssq…> …)In srfi/srfi-1.scm:
> 466:18 4 (fold #<procedure 7ffff5d2b0c0 at /gnu/store/gfprsx2m6…> …)
> In ice-9/eval.scm:
> 202:51 3 (_ #(#(#(#(#(#(#<directory (guile-user)…> …)) …) …) …) …))
>
>     163:9  2 (_ #(#(#(#(#(#(#<directory (guile-user)…> …)) …) …) …) …))
>
>
> In unknown file:
> 1 (string-append "incpth='" #f "/include'\n")
> In ice-9/boot-9.scm:
> 752:25 0 (dispatch-exception _ _ _)
>
> ice-9/boot-9.scm:752:25: In procedure dispatch-exception:
> In procedure string-append: Wrong type (expecting string): #f
> builder for
> `/gnu/store/2khcqc5rpc0wizhihpq69x6qn3f7nw5l-perl-5.28.0.drv' failed
> with exit code 1
>
> I have the full log. Do you wish to see it?
>
> Did I do something wrong? Is it the same for you? Is there a
> workaround?
>
> Best regards,
>
> Vivien

Seems like cross compiling with mingw is broken for other packages too, I tried the guile example about a week ago and also Lua (which is a super portable language, so it should work everywhere, usually without modifications) and neither worked.