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From: Eli Zaretskii <eliz@gnu.org>
To: Philipp Stephani <p.stephani2@gmail.com>
Cc: phst@google.com, emacs-devel@gnu.org
Subject: Re: [PATCH] Unbreak build when building without GMP support.
Date: Wed, 24 Apr 2019 22:30:31 +0300	[thread overview]
Message-ID: <83o94v19rc.fsf@gnu.org> (raw)
In-Reply-To: <CAArVCkTeXhV6P3GLRK2RtZmd8psXE6Ke4hTyreUSBeyX7jGBjA@mail.gmail.com> (message from Philipp Stephani on Wed, 24 Apr 2019 21:19:54 +0200)

> From: Philipp Stephani <p.stephani2@gmail.com>
> Date: Wed, 24 Apr 2019 21:19:54 +0200
> Cc: Emacs developers <emacs-devel@gnu.org>, Philipp Stephani <phst@google.com>
> 
> Am Mi., 24. Apr. 2019 um 21:06 Uhr schrieb Eli Zaretskii <eliz@gnu.org>:
> >
> > > From: Philipp Stephani <p.stephani2@gmail.com>
> > > Date: Wed, 24 Apr 2019 20:49:34 +0200
> > > Cc: Emacs developers <emacs-devel@gnu.org>, Philipp Stephani <phst@google.com>
> > >
> > > > Btw, why are we including emacs-module.h in lisp.h?  IME, this usually
> > > > causes trouble, so it is best to avoid that.
> > >
> > > lisp.h needs types from emacs-module.h to define Lisp_Module_Function.
> >
> > A single data type?  I'd rather move XMODULE_FUNCTION to
> > emacs-module.c, and the data type definition and all the other related
> > stuff to emacs-module.h.  It isn't worth the hassle.
> 
> We shouldn't move anything to emacs-module.h because it's a public
> header, to be used outside of Emacs.

Then keep them in lisp.h, but make them self-sufficient.  Which types
does Lisp_Module_Function need that are defined by emacs-module.h?

> What hassle are you talking about? There is no hassle. We have been
> including emacs-module.h in lisp.h for years, and there was never any
> problem.

I had one just today.  And the patch you are now proposing includes a
time bomb: files that include lisp.h will have emacs-module.h with a
different definition of emacs_mpz than those which include
emacs-module.h directly, depending on whether they do or don't define
EMACS_MODULE_GMP etc.  It's confusing and error prone.  The only other
header lisp.h includes, thread.h, was also a source of many
compilation problems, and will be again if we change the thread
machinery.



  reply	other threads:[~2019-04-24 19:30 UTC|newest]

Thread overview: 87+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-23 13:17 [PATCH 1/2] Add conversions to and from struct timespec to module interface Philipp Stephani
2019-04-23 13:17 ` [PATCH 2/2] Add module functions to convert from and to big integers Philipp Stephani
2019-04-23 14:30   ` Eli Zaretskii
2019-04-23 14:51   ` Paul Eggert
2019-04-23 15:12     ` Philipp Stephani
2019-04-23 15:48       ` Paul Eggert
2019-04-23 15:54         ` Philipp Stephani
2019-11-02 19:17           ` Philipp Stephani
2019-11-03 19:38             ` Stefan Monnier
2019-11-13 18:46               ` Philipp Stephani
2019-11-17 18:38                 ` [PATCH] Change module interface to no longer use GMP objects directly Philipp Stephani
2019-11-18 21:21                   ` Paul Eggert
2019-11-19 21:12                     ` Philipp Stephani
2019-11-19 21:54                       ` Paul Eggert
2019-11-20 21:06                         ` Philipp Stephani
2019-11-20 21:24                           ` Paul Eggert
2019-11-20 21:30                             ` Philipp Stephani
2019-11-21  1:12                               ` Paul Eggert
2019-11-21 20:31                                 ` Philipp Stephani
2019-11-23  2:13                                   ` Paul Eggert
2019-11-23 20:08                                     ` Philipp Stephani
2019-11-23 23:10                                       ` Paul Eggert
2019-11-23 20:46                                     ` Stefan Monnier
2019-11-23 23:10                                       ` Paul Eggert
2019-11-24  9:28                                         ` Andreas Schwab
2019-11-25 21:03                                           ` Paul Eggert
2019-11-25 21:59                                             ` Philipp Stephani
2019-12-04 20:31                                               ` Philipp Stephani
2019-12-05 14:43                                                 ` Eli Zaretskii
2019-12-08 20:28                                                   ` Philipp Stephani
2019-12-09  3:26                                                     ` Eli Zaretskii
2019-12-09  4:58                                                       ` Paul Eggert
2019-12-09 13:22                                                         ` Eli Zaretskii
2019-12-09 23:15                                                       ` Philipp Stephani
2019-12-10  0:22                                                         ` Paul Eggert
2019-12-10 13:15                                                           ` Philipp Stephani
2019-12-10 15:57                                                           ` Eli Zaretskii
2019-12-14 16:06                                                             ` Philipp Stephani
2019-12-14 19:54                                                               ` Paul Eggert
2019-12-09  0:35                                                   ` Paul Eggert
2019-12-09 13:19                                                     ` Eli Zaretskii
2019-04-23 15:16 ` [PATCH 1/2] Add conversions to and from struct timespec to module interface Paul Eggert
2019-04-23 21:32   ` Philipp Stephani
2019-04-24  7:21     ` Eli Zaretskii
2019-04-24 11:03       ` Philipp Stephani
2019-04-24 11:44         ` Eli Zaretskii
     [not found]     ` <20190423213218.35618-2-phst@google.com>
2019-04-23 21:43       ` [PATCH 2/2] Add module functions to convert from and to big integers Paul Eggert
2019-04-24 16:03       ` Eli Zaretskii
2019-04-24 16:37         ` Philipp Stephani
2019-04-24 16:51           ` Eli Zaretskii
2019-04-24 16:57           ` Philipp Stephani
2019-04-24 17:11             ` Eli Zaretskii
2019-04-24 17:15               ` Philipp Stephani
2019-04-24 17:23                 ` Eli Zaretskii
2019-04-24 17:28                   ` Philipp Stephani
2019-04-24 17:51                     ` [PATCH] Unbreak build when building without GMP support Philipp Stephani
2019-04-24 18:41                       ` Eli Zaretskii
2019-04-24 18:49                         ` Philipp Stephani
2019-04-24 19:06                           ` Eli Zaretskii
2019-04-24 19:19                             ` Philipp Stephani
2019-04-24 19:30                               ` Eli Zaretskii [this message]
2019-04-24 21:15                                 ` Philipp Stephani
2019-04-25  6:04                                   ` Eli Zaretskii
2019-04-25  6:39                                     ` Eli Zaretskii
2019-04-25 10:24                                       ` Philipp Stephani
2019-04-24 21:34                       ` Philipp Stephani
2019-04-24 19:44                     ` [PATCH 2/2] Add module functions to convert from and to big integers Stefan Monnier
2019-04-24 20:15                       ` Paul Eggert
2019-04-24 20:57                         ` Stefan Monnier
2019-04-24 21:17                           ` Philipp Stephani
2019-04-24 23:32                             ` Paul Eggert
2019-04-24 21:19                       ` Philipp Stephani
2019-04-25  0:00                         ` Paul Eggert
2019-04-25  5:33                           ` Eli Zaretskii
2019-04-25 10:41                             ` Philipp Stephani
2019-04-25 13:46                               ` [PATCH 1/2] Require full GMP when building module support Philipp Stephani
2019-04-25 13:46                                 ` [PATCH 2/2] Check for __attribute__ ((cleanup)) during configuration Philipp Stephani
2019-04-25 21:18                                   ` Paul Eggert
2019-04-28 18:12                                     ` Philipp Stephani
2019-04-25 14:37                                 ` [PATCH 1/2] Require full GMP when building module support Eli Zaretskii
2019-04-25 15:06                                   ` Philipp Stephani
2019-04-25 16:14                                     ` Eli Zaretskii
2019-04-25 17:09                                       ` [PATCH] Require full GMP for big integer module functions Philipp Stephani
2019-04-25 21:00                                         ` Paul Eggert
2019-04-28 18:14                                           ` Philipp Stephani
2019-04-28 20:18                                             ` Paul Eggert
2019-04-28 17:10                                       ` [PATCH 1/2] Require full GMP when building module support Philipp Stephani

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