On Mon, Aug 24, 2015 at 02:20:55PM +0000, Antti Kantee wrote: > On 24/08/15 13:26, Joerg Sonnenberger wrote: > >On Mon, Aug 24, 2015 at 12:45:15PM +0000, Antti Kantee wrote: > >>I started work on this again by doing a web search for the error, and found > >>this: > >>http://bugs.musicpd.org/view.php?id=4110 > >> > >>There you argue that using constexpr for PTHREAD_MUTEX_INITIALIZER is > >>broken. So if we assume that you are correct, shouldn't we remove the > >>"constexpr"s from libc++/dist/libcxx/include/__mutex_base? > > > >Except that the standard requires it. > > So are you now saying that that what you said in the above URL is wrong and > that the NetBSD headers are broken? Let me quote the relevant part of what > you said:
Stop inventing things, please. > > "Nothing in ISO C11, ISO C++11 or POSIX requires PTHREAD_MUTEX_INITIALIZER > to qualify for constexpr." > > But now you are saying that "the standard" does require > PTHREAD_MUTEX_INITIALIZER to qualify for constexpr. A mutex has to be constexpr constructable. That's in the standard. How a mutex is implemented is not. Nothing in mpd requires the constexpr property, so requiring it just makes things more difficult for no good reason. Joerg
