[FFmpeg-cvslog] configure: require pkg-config for libvmaf

[Ashish Singh]

ffmpeg | branch: master | Ashish Singh <ashk43712 at gmail.com> | Tue Aug  1 21:02:18 2017 +0530| [1dc33c123715e195f7f19b2dca8f192a550f047c] | committer: Ronald S. Bultje

configure: require pkg-config for libvmaf

This patch makes the libvmaf filter use pkg-config to detect
and link to libvmaf.

Signed-off-by: Ashish Singh <ashk43712 at gmail.com>
Signed-off-by: Ronald S. Bultje <rsbultje at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=1dc33c123715e195f7f19b2dca8f192a550f047c
---

 configure | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/configure b/configure
index 172ff3fc07..4f1c172333 100755
--- a/configure
+++ b/configure
@@ -5920,8 +5920,7 @@ enabled libtwolame        && require libtwolame twolame.h twolame_init -ltwolame
                                die "ERROR: libtwolame must be installed and version must be >= 0.3.10"; }
 enabled libv4l2           && require_pkg_config libv4l2 libv4l2.h v4l2_ioctl
 enabled libvidstab        && require_pkg_config "vidstab >= 0.98" vid.stab/libvidstab.h vsMotionDetectInit
-enabled libvmaf           && { check_lib libvmaf "libvmaf.h" "compute_vmaf" -lvmaf -lstdc++ -lpthread -lm ||
-                               die "ERROR: libvmaf must be installed"; }
+enabled libvmaf           && require_pkg_config libvmaf libvmaf.h compute_vmaf
 enabled libvo_amrwbenc    && require libvo_amrwbenc vo-amrwbenc/enc_if.h E_IF_init -lvo-amrwbenc
 enabled libvorbis         && require_pkg_config vorbis vorbis/codec.h vorbis_info_init &&
                              require_pkg_config vorbisenc vorbis/vorbisenc.h vorbis_encode_init