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Re: pkg/43237 (pkgsrc/lang/clang: clang++ can't find <iostream>)

The following reply was made to PR pkg/43237; it has been noted by GNATS.

From: Matthias Drochner <>
To: <>, <>
Cc: <>, <>
Subject: Re: pkg/43237 (pkgsrc/lang/clang: clang++ can't find <iostream>)
Date: Thu, 6 May 2010 18:48:25 +0200

 > What changes in NetBSD-current are needed?
 I was referring to the gthr-posix.h change. It needs a
 run of tools/gcc/mknative to have effect which I've only done
 for i386 (mrg will do the rest).
 > > /usr/include/stdlib.h:52:23: error: cannot combine with previous 'int'
 > >       declaration specifier
 > That sounds like a bug in clang++ -- it doesn't define __cplusplus.
 No, that's the header. The check went in after the -5 branch.
 > /usr/include/g++/bits/gthr-default.h:96:1: error: weakref declaration of
 >       '__gthrw_pthread_once' must be static
 This is fixed by the gthr-posix patch. You could ally it manually to
 gthr-default.h for testing.
 > I am hoping I don't have to upgrade to netbsd-current to use clang.
 Don't know... If you get further with these patches pulled in,
 we can consider pullups.
 C language support is pretty good in 2.7 (as it as in 2.6 already);
 for C++ it is advisable to use the wip snapshot because this is
 developing rapidly.
 best regards
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