+# While it may appear that require is being used as a pkg-config
+# fallback for libmfx, it is actually being used to detect a different
+# installation route altogether. If libmfx is installed via the Intel
+# Media SDK or Intel Media Server Studio, these don't come with
+# pkg-config support. Instead, users should make sure that the build
+# can find the libraries and headers through other means.
+enabled libmfx && { use_pkg_config libmfx "mfx/mfxvideo.h" MFXInit ||
+ { require libmfx "mfx/mfxvideo.h" MFXInit -llibmfx && warn "using libmfx without pkg-config"; } }