[FFmpeg-cvslog] configure: add missing pthreads extralibs dependency for libvpx-vp9

[Guo, Yejun]

ffmpeg | branch: release/4.1 | Guo, Yejun <yejun.guo at intel.com> | Tue Mar  5 06:09:11 2019 +0800| [9bf40978c65714bd4448d6d445ffe5ac36189ec3] | committer: Michael Niedermayer

configure: add missing pthreads extralibs dependency for libvpx-vp9

Signed-off-by: Guo, Yejun <yejun.guo at intel.com>
Signed-off-by: James Almer <jamrial at gmail.com>
(cherry picked from commit 402bf262375dfecd0e90d7acc67c238abe952fc3)
Signed-off-by: Michael Niedermayer <michael at niedermayer.cc>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9bf40978c65714bd4448d6d445ffe5ac36189ec3
---

 configure | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/configure b/configure
index 7310b962f2..5ba35811d1 100755
--- a/configure
+++ b/configure
@@ -6162,11 +6162,11 @@ enabled libvpx            && {
     }
     enabled libvpx_vp9_decoder && {
         check_pkg_config libvpx_vp9_decoder "vpx >= 1.4.0" "vpx/vpx_decoder.h vpx/vp8dx.h" vpx_codec_vp9_dx ||
-            check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
+            check_lib libvpx_vp9_decoder "vpx/vpx_decoder.h vpx/vp8dx.h" "vpx_codec_vp9_dx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"
     }
     enabled libvpx_vp9_encoder && {
         check_pkg_config libvpx_vp9_encoder "vpx >= 1.4.0" "vpx/vpx_encoder.h vpx/vp8cx.h" vpx_codec_vp9_cx ||
-            check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs"
+            check_lib libvpx_vp9_encoder "vpx/vpx_encoder.h vpx/vp8cx.h" "vpx_codec_vp9_cx VPX_IMG_FMT_HIGHBITDEPTH" "-lvpx $libm_extralibs $pthreads_extralibs"
     }
     if disabled_all libvpx_vp8_decoder libvpx_vp9_decoder libvpx_vp8_encoder libvpx_vp9_encoder; then
         die "libvpx enabled but no supported decoders found"