[src/trunk]: src/external/mit/xorg/lib/libGL the drivers we dlopen need pthread.

[maya <maya%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/8e419d569694
branches:  trunk
changeset: 455744:8e419d569694
user:      maya <maya%NetBSD.org@localhost>
date:      Thu Apr 11 10:15:53 2019 +0000

description:
the drivers we dlopen need pthread.
I'm not sure about the exact scenario causing failure, but using the
libc pthread stubs isn't sufficient.

fixes one of the glmark2 crashes (at startup with llvmpipe)

diffstat:

 external/mit/xorg/lib/libGL/Makefile |  5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diffs (19 lines):

diff -r c5d4ee2cb292 -r 8e419d569694 external/mit/xorg/lib/libGL/Makefile
--- a/external/mit/xorg/lib/libGL/Makefile      Thu Apr 11 09:59:24 2019 +0000
+++ b/external/mit/xorg/lib/libGL/Makefile      Thu Apr 11 10:15:53 2019 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: Makefile,v 1.24 2019/04/09 14:31:06 maya Exp $
+#      $NetBSD: Makefile,v 1.25 2019/04/11 10:15:53 maya Exp $
 
 .include <bsd.own.mk>
 
@@ -191,7 +191,8 @@
                xcb-dri2        ${.CURDIR}/../libxcb/dri2 \
                xcb-glx         ${.CURDIR}/../libxcb/glx \
                expat           ${NETBSDSRCDIR}/external/mit/expat/lib/libexpat \
-               m               ${NETBSDSRCDIR}/lib/libm
+               m               ${NETBSDSRCDIR}/lib/libm \
+               pthread         ${NETBSDSRCDIR}/lib/libpthread
 
 MKLINT=no