build: make vdpau and dxva2 checks nicer

Using check_statement() with an empty statement just to check for the
header is quite a hack. Fix check_headers() (so it takes a "use"
parameter), and use it for the checks instead.

1 files changed, 2 insertions, 2 deletions

diff --git a/wscript b/wscript
index fd37e4bbe7..7c1ef590ba 100644
--- a/wscript
+++ b/wscript
@@ -665,7 +665,7 @@ hwaccel_features = [
         'name': '--vaapi-hwaccel',
         'desc': 'libavcodec VAAPI hwaccel',
         'deps': [ 'vaapi' ],
-        'func': check_statement('libavcodec/vaapi.h', '', use='libav'),
+        'func': check_headers('libavcodec/vaapi.h', use='libav'),
     } , {
         'name': '--vda-hwaccel',
         'desc': 'libavcodec VDA hwaccel',
@@ -691,7 +691,7 @@ hwaccel_features = [
         'name': '--dxva2-hwaccel',
         'desc': 'libavcodec DXVA2 hwaccel',
         'deps': [ 'gdi' ],
-        'func': check_statement('libavcodec/dxva2.h', '', use='libav'),
+        'func': check_headers('libavcodec/dxva2.h', use='libav'),
     }
 ]