Re: [Boost-users] Including Xutil.h on Fedora breaks BOOST_FOREACH

Subject: Re: [Boost-users] Including Xutil.h on Fedora breaks BOOST_FOREACH
From: Eric Niebler (eric_at_[hidden])
Date: 2009-05-22 18:29:15

Pete Bartlett wrote:
> Tron Thomas wrote:
>> #include <X11/Xutil.h>
> 
> A quick search on Google Codesearch shows that Xutil.h includes Xlib.h which
> has the following
> 
> "
> #define Bool int
> #define Status int
> #define True 1
> #define False 0
> "
> 
> (around line 112 in the version I am looking at).
> 
> This breaks Boost.ForEach's (legitimate) attempt to use "Bool" as the name
> for a template type. How to fix? Some possibilities
> 
> a) Stop using libraries that employ such bad practices, or
> b) Wrap the include in your own header that tidies up after X11 with some
> #undefs, or
> c) include X11 after Boost ?!

d) Work around it in Boost.Foreach, which has already been done for the 
next release.

> I doubt Boost.ForEach would be the only library the X11 include would foul
> up.

Perhaps someone with an interest in X11 could file a bug against them.

-- 
Eric Niebler
BoostPro Computing
http://www.boostpro.com