nvenc: drop the hard dependency on CUDA

The code needs only a few definitions from cuda.h, so define them
directly when CUDA is not enabled. CUDA is still required for accepting
HW frames as input.

Based on the code by Timo Rothenpieler <timo@rothenpieler.org>.

1 files changed, 0 insertions, 1 deletions

diff --git a/configure b/configure
index d99a7c8423..6bab581a00 100755
--- a/configure
+++ b/configure
@@ -4665,7 +4665,6 @@ if enabled libdc1394; then
 fi
 
 if enabled nvenc; then
-    enabled cuda || check_header cuda.h || die "ERROR: cuda.h not found."
     check_header nvEncodeAPI.h || die "ERROR: nvEncodeAPI.h not found."
     check_cpp_condition nvEncodeAPI.h "NVENCAPI_MAJOR_VERSION >= 6" ||
         die "ERROR: NVENC API version 5 or older is not supported"