From: Rich Felker <dalias@aerifal.cx>
To: musl@lists.openwall.com
Subject: Re: Best bikeshed ever (feature test macros)
Date: Sun, 2 Sep 2012 13:13:12 -0400 [thread overview]
Message-ID: <20120902171312.GF27715@brightrain.aerifal.cx> (raw)
In-Reply-To: <50439211.6050504@purdue.edu>
On Sun, Sep 02, 2012 at 01:06:25PM -0400, Gregor Richards wrote:
> >Leave it as is, this actually helps find bugs in software. A real
> >world example is accidentally utilizing gnu extensions in mruby
> >(see github mruby bug page for more info).
>
> The same can be accomplished on any modern libc by using -std=c89 or
> -std=c99. You shouldn't have to port to a new libc to find these
I'm a bit confused because I suspect the code in question actually
wanted POSIX, not just baseline C...
> problems, nor should said new libc be designed in such a way that
> the majority of software doesn't work on it without additional
> complication. Especially when, as I will repeat over and over again,
> going through the additional complication to supposedly make your
> code more portable WILL INVARIABLY MAKE YOUR CODE LESS PORTABLE.
This only applies if you're using extensions. And actually, I'm not
sure it's the case. If you add -D_GNU_SOURCE (and no other feature
test macros), does that really _hide_ any interfaces on BSD, Darwin,
Solaris, or other relevant systems?
Rich
next prev parent reply other threads:[~2012-09-02 17:13 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-24 21:41 Rich Felker
2012-08-24 22:24 ` Gregor Richards
2012-08-24 23:59 ` Szabolcs Nagy
2012-08-25 7:35 ` orc
2012-08-25 12:32 ` Rich Felker
2012-08-25 15:29 ` orc
2012-08-25 9:11 ` Luca Barbato
2012-08-27 18:08 ` Isaac Dunham
2012-08-29 5:34 ` philomath
2012-08-29 13:49 ` Rich Felker
2012-08-29 14:01 ` Gregor Richards
2012-08-29 14:43 ` Rich Felker
2012-08-29 15:08 ` Bobby Bingham
2012-08-29 15:23 ` Rich Felker
2012-08-29 17:17 ` Gregor Richards
2012-08-29 17:59 ` Isaac Dunham
2012-08-29 18:08 ` Rich Felker
2012-09-02 8:48 ` Arvid E. Picciani
2012-09-02 15:19 ` Rich Felker
2012-09-02 15:27 ` Arvid E. Picciani
2012-09-02 15:44 ` Rich Felker
2012-09-02 17:00 ` nwmcsween
2012-09-02 17:06 ` Gregor Richards
2012-09-02 17:13 ` Rich Felker [this message]
2012-09-02 17:18 ` Gregor Richards
2012-09-02 17:10 ` Rich Felker
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