[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Cross-platform availability of header files

From: Paul Eggert
Subject: Re: Cross-platform availability of header files
Date: Thu, 14 Mar 2013 19:41:55 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130308 Thunderbird/17.0.4

On 03/14/2013 06:19 PM, Zack Weinberg wrote:
> 1) What "interesting portability targets" have I left out?  I only
> went back in time as far as FreeBSD 7, and I didn't even try to get my
> hands on any of the surviving proprietary Unixes; is this too
> shortsighted?

Yes, I think so.  We regularly get bug reports from people running
HP-UX, AIX, etc.

> 2) Autoconf currently probes for several of the headers in the "safely
> assumed to exist everywhere" categories, notably in
> AC_INCLUDES_DEFAULT.  It seems to me that this is unnecessary.  Would
> patches to remove under-the-hood checks for the ubiquitous headers,
> and deprecate macros that do explicit checks for them, be accepted?

If it's safe to include them now, we should stop checking for them.

> 3) It's a little tangential, but don't you think it's about time
> AC_CHECK_HEADERS stopped doing all its tests two different ways?

I would change this, yes.

reply via email to

[Prev in Thread] Current Thread [Next in Thread]