Re: Guile 2.2 on MSYS2 + MinGW

[Matthew Keeter <matt.j.keeter@gmail.com>]

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> On Jan 18, 2018, at 11:00 AM, Eli Zaretskii <eliz@gnu.org> wrote:
> 
>> From: Matthew Keeter <matt.j.keeter@gmail.com>
>> Date: Thu, 18 Jan 2018 10:18:36 -0500
>> 
>> Yup, I’m building 2.2.3.  I see mktime.c in guile-2.2.3/lib, but do not see
>> mktime.o when I objdump libgnu.a, indicating that it’s not being built.
>> 
>> In config.log, I see a few lines that could be relevant:
>> 
>> configure:34662: checking for working mktime
>> ...
>> gl_cv_func_working_mktime=yes
>> ...
>> GNULIB_MKTIME=‘1'
>> ...
>> REPLACE_MKTIME=‘0'
>> ...
>> gl_GNULIB_ENABLED_mktime_FALSE='#'
>> gl_GNULIB_ENABLED_mktime_TRUE=‘'
>> 
>> (full config.log is here: https://gist.github.com/mkeeter/81c273069a2804ad8d53e72533f6f8da)
>> 
>> Does this offer any insight?  I’m confused by the conflicting GNULIB_MKTIME vs
>> gl_GNULIB_ENABLED_mktime_TRUE, but am not adept at parsing automake outputs…
> 
> Then this sounds like a bug in Gnulib: it determines that your
> platform doesn't need mktime, but it "forgets" that timegm, which your
> platform does need, depends on mktime.
> 
> So I suggest to report this to the Gnulib mailing list, and I hope
> they will propose a solution.  Meanwhile, you can continue the build
> by copy/pasting the source of mktime.c into some Gnulib source that is
> being compiled (e.g. timegm.c, which needs it in the first place), and
> re-running "make".

I’ve added another patch [1] which works around this gnulib bug.

The 32-bit build now completes and makes its way past the snarfing issue
that I was seeing in the 64-bit build!  Now, it's failing at the bootstrap stage:

  BOOTSTRAP GUILEC ice-9/eval.go
;;; note: source file C:/msys64/home/mkeeter/guile/src/guile-2.2.3/module/ice-9/boot-9.scm
;;;       newer than compiled C:/msys64/home/mkeeter/guile/src/guile-2.2.3/prebuilt/32-bit-little-endian/ice-9/boot-9.go
Backtrace:
           8 (apply-smob/1 #<catch-closure 4fba0e0>)
In ice-9/eval.scm:
   657:36  7 (_ _)
    619:8  6 (_ #(#(#<directory (guile-user) 4fdcb40>)))
    155:9  5 (_ _)
    619:8  4 (_ #(#(#(#(#(#(#(#(#(#(#(#) ▒) ▒) ▒) ▒) ▒) ▒) ▒) ▒) ▒) ▒))
    159:9  3 (_ #(#(#(#(#(#(#(#(#(#(#(#) ▒) ▒) ▒) ▒) ▒) ▒) ▒) ▒) ▒) ▒))
   223:20  2 (proc #(#(#(#(#(#(#(#(#(#(# ▒) ▒) ▒) ▒) ▒) ▒) ▒) ▒) ▒) ▒))
In unknown file:
           1 (%resolve-variable (7 . SIGINT) #<directory (scripts co▒>)
           0 (_ #<procedure 62ef720 at ice-9/eval.scm:330:13 ()> #<▒> ▒)

ERROR: Unbound variable: SIGINT

If I boot up the interpreter, it too does not know about SIGINT:

mkeeter@MATTHEWKEETA8AA MINGW32 ~/guile/src/build-i686-w64-mingw32
$ GUILE_AUTO_COMPILE=0 GUILE_LOAD_PATH=/home/mkeeter/guile/src/guile-2.2.3/module ./meta/build-env guile
GNU Guile 2.2.3
Copyright (C) 1995-2017 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> SIGINT
ice-9/eval.scm:619:8: In procedure module-lookup: Unbound variable: SIGINT

On my Mac, the variable is defined (and has a value of 2).

I believe the odd printing is a quirk of the MinGW terminal – it certainly doesn’t help in
debugging, but I think the fundamental issue here is Guile not knowing about SIGINT.

Any suggestions for next steps?

Thanks,
Matt

[1] https://github.com/mkeeter/guile-mingw/blob/master/0006-timegm-i686.mingw.patch

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