GNU bug report logs - #29824
Meson 0.44.0 is broken with guix.

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From: ludo <at> gnu.org (Ludovic Courtès)
To: Fis Trivial <ybbs.daans <at> hotmail.com>
Cc: Hartmut Goebel <h.goebel <at> crazy-compilers.com>, "29824 <at> debbugs.gnu.org" <29824 <at> debbugs.gnu.org>, Peter Mikkelsen <petermikkelsen10 <at> gmail.com>
Subject: bug#29824: Meson 0.44.0 is broken with guix.
Date: Sun, 14 Jan 2018 23:02:16 +0100

Hello,

Fis Trivial <ybbs.daans <at> hotmail.com> skribis:

> Sorry about that, this section is wrong. Here is the correct one. Be careful with the "..."
> in the environ assignment. I omitted part of the path due to it's too long.
>
> #+BEGIN_SRC python
> #!/usr/bin/env python3
> import os
> os.environ['PYTHONPATH'] = "/gnu/store/.../site-packages${PYTHONPATH:+:}$PYTHONPATH"
> # exec(open("/gnu/store/n53zdnl4l3gm9sg15bfwxp0wdrwrvhg4-meson-0.44.0/bin/.meson-real").read())
> exec(compile(
>     open(
>         "/gnu/store/n53zdnl4l3gm9sg15bfwxp0wdrwrvhg4-meson-0.44.0/bin/.meson-real"
>     ).read(),
>     "/gnu/store/n53zdnl4l3gm9sg15bfwxp0wdrwrvhg4-meson-0.44.0/bin/.meson-real",
>     'exec'
> ))
>
> #+END_SRC
>
> And the wrapper should be named as "meson", in this case.
> The above code set the environment variables and execute the corresponding code
> by loading it(not spawning a new process). Hence the argv will be preserved.

Sure, though Hartmut’s solution looked even simpler.

BTW, Ricardo has posted a patch on this topic here:

  https://bugs.gnu.org/29951

We could use it here (it won’t be merged until the next ‘core-updates’
cycle), but if there’s a simpler solution, we should probably go for
that.

Thanks,
Ludo’.

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