[libdispatch-dev] Solaris portability, POSIX memalign checking in configure.ac - PATCH [1/6]

[Robert Watson]

On Fri, 6 Nov 2009, Joakim Johansson wrote:

> Need to check whether posix_memalign exists on the target system (there is a 
> patch for a future Solaris version to add it, so I'd rather not check for 
> the Solaris platform, but rather for feature existence).
>
> Still a lot of work remains for a working Solaris port due to the kqueue 
> stuff, but here are some initial patches.

In practice, it looks like malloc_zone_memalign() isn't used by libdispatch, 
even though it's present in Mac OS X's malloc_zone API, so perhaps we should 
just drop it from our shim layer and eliminate the need for checks entirely. 
I'll make this change tonight/tomorrow sometime.

Robert

>
> Joakim
>
> -----------------------------------------------
>> svn diff configure.ac
> Index: configure.ac
> ===================================================================
> --- configure.ac	(revision 140)
> +++ configure.ac	(working copy)
> @@ -184,7 +198,7 @@
> AC_CHECK_DECLS([FD_COPY], [], [], [[#include <sys/select.h>]])
> AC_CHECK_DECLS([SIGEMT], [], [], [[#include <signal.h>]])
> AC_CHECK_DECLS([VQ_UPDATE, VQ_VERYLOWDISK], [], [], [[#include 
> <sys/mount.h>]])
> -AC_CHECK_FUNCS([pthread_key_init_np pthread_main_np mach_absolute_time 
> malloc_create_zone])
> +AC_CHECK_FUNCS([pthread_key_init_np pthread_main_np mach_absolute_time 
> malloc_create_zone sem_init posix_memalign])
>
> AC_CHECK_DECLS([POSIX_SPAWN_START_SUSPENDED],
>  [have_posix_spawn_start_suspended=true],
>
>
>
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