unofficial mirror of guile-user@gnu.org 
 help / color / mirror / Atom feed
From: ludo@gnu.org (Ludovic Courtès)
To: guile-user@gnu.org
Subject: Re: Guile support in GNU make
Date: Sun, 15 Jan 2012 23:02:19 +0100	[thread overview]
Message-ID: <8762gchbf8.fsf@gnu.org> (raw)
In-Reply-To: 1326643949.3482.241.camel@homebase

Hi Paul,

And thanks for the great news!  :-)

Paul Smith <psmith@gnu.org> skribis:

> On Sun, 2012-01-15 at 09:51 +0100, Thien-Thi Nguyen wrote:

[...]

>> - The ‘#t => t’ distinguishes the symbol t from others, which feels wrong.
>>   I suggest #t => ""; #f => error.
>
> Hm. The problem with this is that we can't easily use Guile booleans in
> GNU make.  For example, the syntax for make's $(if ...) function is:
>
>         $(if <condition>,<then>[,<else>])
>
> The <condition> is expanded as a makefile expression and if it's empty
> it's considered false.  If it's non-empty it's considered true.

Would it be possible for Make to delay the conversion of SCMs to
strings, and in turn to differentiate between conditions as strings, and
conditions that are SCMs?

In the latter case, it could just apply scm_is_true to the condition.

Thanks,
Ludo’.




  parent reply	other threads:[~2012-01-15 22:02 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-01-14 19:55 Guile support in GNU make Paul Smith
2012-01-15  8:51 ` Thien-Thi Nguyen
2012-01-15 12:33   ` Thien-Thi Nguyen
2012-01-15 16:12   ` Paul Smith
2012-01-15 20:11     ` Thien-Thi Nguyen
2012-01-15 20:49       ` Paul Smith
2012-01-15 22:02     ` Ludovic Courtès [this message]
2012-01-16 14:07       ` Paul Smith
2012-01-17 22:42         ` Ludovic Courtès
2012-01-17 23:26           ` Paul Smith
2012-01-19 20:42             ` Ludovic Courtès
2012-01-19 22:14             ` Ludovic Courtès
     [not found] <1316557011.28907.237.camel@homebase>
     [not found] ` <1326572016.3482.144.camel@homebase>
     [not found]   ` <20120122182923.GB3460@mini.zxlink>
2012-01-22 21:56     ` Paul Smith
2012-01-23  6:01       ` Thien-Thi Nguyen
2012-01-23  6:08         ` Thien-Thi Nguyen
2012-01-29 20:05           ` Paul Smith
2012-01-31 19:17             ` Kirill Smelkov
2012-01-31 21:32               ` Paul Smith
2012-01-25 23:45       ` Ludovic Courtès

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/guile/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=8762gchbf8.fsf@gnu.org \
    --to=ludo@gnu.org \
    --cc=guile-user@gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).