[PATCH libX11] Fix libpthread linkage on OpenBSD.

[Alan Coopersmith]

On 07/12/11 01:15 AM, Matthieu Herrb wrote:
> From: David Coppa <dcoppa at gmail.com>
> 
> OpenBSD prefers to use the -pthread to fetch pthread libs when needed.
> 
> Signed-off-by: Matthieu Herrb <matthieu.herrb at laas.fr>
> ---
>  configure.ac |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/configure.ac b/configure.ac
> index 0c68ff4..a449ba8 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -279,7 +279,7 @@ AM_CONDITIONAL(THRSTUBS, test x$thrstubs = xyes)
>  # XXX incomplete, please fill this in
>  if test x$xthreads = xyes ; then
>      case $host_os in
> -    linux*|openbsd*|gnu*|k*bsd*-gnu)
> +    linux*|gnu*|k*bsd*-gnu)
>          XTHREADLIB=-lpthread ;;
>      netbsd*)
>  	XTHREAD_CFLAGS="-D_POSIX_THREAD_SAFE_FUNCTIONS"
> @@ -287,7 +287,7 @@ if test x$xthreads = xyes ; then
>      freebsd*)
>          XTHREAD_CFLAGS="-D_THREAD_SAFE"
>          XTHREADLIB="-pthread" ;;
> -    dragonfly*)
> +    dragonfly*|openbsd*)
>          XTHREADLIB="-pthread" ;;
>      solaris*)
>  	XTHREAD_CFLAGS="-D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS" ;;

I can't comment on whether that's the right flag to use, but once you've
chosen the flag, that seems like a reasonable way to do it, assuming you
don't also need the -D_THREAD_SAFE found in the freebsd case.

Reviewed-by: Alan Coopersmith <alan.coopersmith at oracle.com>

-- 
	-Alan Coopersmith-        alan.coopersmith at oracle.com
	 Oracle Solaris Platform Engineering: X Window System