[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/cb948dbd9eda
branches:  trunk
changeset: 840622:cb948dbd9eda
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 ebdf2fc0d236 -r cb948dbd9eda 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