GNU bug report logs - #38606
[WIP SMLnj 0/1] Add SMLnj.

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Message #29 received at 38606 <at> debbugs.gnu.org (full text, mbox):

From: Josselin Poiret <dev <at> jpoiret.xyz>
To: Foo Chuan Wei <chuanwei.foo <at> hotmail.com>, 38606 <at> debbugs.gnu.org
Cc: dev <at> jpoiret.xyz
Subject: Re: [bug#38606] [WIP SMLnj 0/1] Add SMLnj.
Date: Tue, 09 Nov 2021 10:03:41 +0000

Foo Chuan Wei <chuanwei.foo <at> hotmail.com> writes:

> The error above occurs because the build process uses nix-install.sml,
> and nix-install.sml uses `OS.Process.system` (in the `unpack` function).
> `OS.Process.system` relies on /bin/sh, but /bin/sh is not present in the
> Guix build environment. "No such file or directory" presumably refers to
> the absence of /bin/sh.
>
> Unfortunately, the fix might require some binary patching. /bin/sh is
> hardcoded in sml.boot.amd64-unix/SMLNJ-BASIS/.cm/amd64-unix/basis-common.cm
> (a binary file from boot.amd64-unix.tgz).

Linking [1] for our IRC discussion about this.

You proposed patching /bin/sh to /tmp/sh, and symlinking /tmp/sh
yourself, did that work?

If not, I can still write a SMLNJ binfile patcher if you feel the need
for it (literals should be pretty easy to patch, see
sml/gc/build-literals.c for their format).

Best,
Josslin Poiret

[1] https://logs.guix.gnu.org/guix/2021-11-08.log#135443

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