[FFmpeg-cvslog] configure: Simplify libxcb check

[Diego Biurrun]

ffmpeg | branch: master | Diego Biurrun <diego at biurrun.de> | Sun Jan 22 16:05:25 2017 +0100| [a97563c889fefd81ad6b3758471434d8c2e2e550] | committer: Diego Biurrun

configure: Simplify libxcb check

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a97563c889fefd81ad6b3758471434d8c2e2e550
---

 configure | 18 ++++--------------
 1 file changed, 4 insertions(+), 14 deletions(-)

diff --git a/configure b/configure
index d77eb3d0bb..070edcae1e 100755
--- a/configure
+++ b/configure
@@ -2401,6 +2401,7 @@ sndio_outdev_deps="sndio"
 v4l2_indev_deps_any="linux_videodev2_h sys_videoio_h"
 vfwcap_indev_deps="vfw32 vfwcap_defines"
 xcbgrab_indev_deps="libxcb"
+xcbgrab_indev_suggest="libxcb_shm libxcb_xfixes"
 
 # protocols
 ffrtmpcrypt_protocol_deps="!librtmp_protocol"
@@ -4783,22 +4784,11 @@ if enabled libcdio; then
 fi
 
 if enabled libxcb; then
-    check_pkg_config xcb-shape xcb/shape.h xcb_shape_rectangles || {
-        enabled libxcb && die "ERROR: libxcb not found";
-    } && enable libxcb
-
+    require_pkg_config xcb-shape xcb/shape.h xcb_shape_rectangles
     disabled libxcb_shm ||
-        check_pkg_config xcb-shm xcb/shm.h xcb_shm_attach || {
-            enabled libxcb_shm && die "ERROR: libxcb_shm not found";
-        } && check_header sys/shm.h && enable libxcb_shm
-
+        require_pkg_config xcb-shm xcb/shm.h xcb_shm_attach
     disabled libxcb_xfixes ||
-        check_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image || {
-            enabled libxcb_xfixes && die "ERROR: libxcb_xfixes not found";
-        } && enable libxcb_xfixes
-
-    add_cflags "$xcb_shape_cflags $xcb_shm_cflags $xcb_xfixes_cflags"
-    add_extralibs "$xcb_shape_extralibs $xcb_shm_extralibs $xcb_xfixes_extralibs"
+        require_pkg_config xcb-xfixes xcb/xfixes.h xcb_xfixes_get_cursor_image
 fi
 
 enabled dxva2 &&