[tlbuild] Asymptote compile errors on latest OS X (with libc++)

[John Bowman]

Ok, it appears that tr1/unordered_map has been available since gcc 4.0.
I'll make that change in the 2.29 release. Thanks for reporting this.


On Mon, May 12, 2014 at 4:49 PM, Mojca Miklavec <
mojca.miklavec.lists at gmail.com> wrote:

> On Tue, May 13, 2014 at 12:28 AM, John Bowman wrote:
> > The ext/hash_map problem was already fixed in version 2.26. We don't use
> > GNUC_PREREQ(4,3)
> > anymore:
> >
> > #if defined __GNUC__ && defined __GNUC_MINOR__
> > # define PREREQ(maj,min) \
> >         ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
> > #else
> > # define PREREQ(maj,min) 1
> > #endif
> >
> > #ifndef NOHASH
> > #if PREREQ(4,3) || defined(__CYGWIN__)
> >
> > #if __cplusplus >= 201103L
> > #include <memory>
> > #include <unordered_map>
> > #define EXT std
> > #else
> > #include <tr1/unordered_map>
> > #define EXT std::tr1
> > #endif
>
> Even so clang identifies itself as
>
> #define __GNUC_MINOR__ 2
> #define __GNUC_PATCHLEVEL__ 1
> #define __GNUC__ 4
>
> and fails to satisfy the initial "#if PREREQ(4,3)", so it ends up with
> the following code:
>
> #else
>
> #define EXT __gnu_cxx
> #include <ext/hash_map>
> #define unordered_map hash_map
> #define unordered_multimap hash_multimap
>
> #endif
>
> despite having full C++11 support.
>
> Mojca
>
>
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