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Subject: [Bug 216609] devel/py-ice: fails to build with libc++ 4.0
Date: Mon, 30 Jan 2017 21:17:59 +0000
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D216609

--- Comment #18 from Michael Gmelin <grembo@FreeBSD.org> ---
This is the reason why this worked using --std=3Dc++11:

>From /usr/include/sys/cdefs.h
...
/* C++11 exposes a load of C99 stuff */
#if defined(__cplusplus) && __cplusplus >=3D 201103L
#define __LONG_LONG_SUPPORTED
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS
#endif
#ifndef __STDC_CONSTANT_MACROS
#define __STDC_CONSTANT_MACROS
#endif
#endif
...

Therefore, instead of using your patch, I changed the platform detection
mechanism in IceUtil/Config.h to only use __WORDSIZE if C++11 or newer is u=
sed
and fall-back to other detection mechanism in case it isn't. This should gi=
ve
users of the library a better experience (otherwise every custom project us=
ing
the library would have to define __STDC_LIMIT_MACROS on build to get consis=
tent
results).

--=20
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