From 0bb082d020e145e3a2128a807dbdf7dae39ccc55 Mon Sep 17 00:00:00 2001
From: Martin Pulec <martin.pulec@cesnet.cz>
Date: Wed, 21 Aug 2024 10:00:00 +0200
Subject: [PATCH] configure.ac: no CUDA-accel FF convs with CUDA<9

Disable CUDA-accelerated FFmpeg conversions with CUDA 8 and earlier. At
least in Linux, it requires gcc-5, which is now hardly compatible. (The
actual compatibility was not tested thoroughly because CUDA 8 is
unsupported.)

see also the commit 4581c7f4
---
 configure.ac | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/configure.ac b/configure.ac
index 6ab7c305a..cad88de46 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1831,7 +1831,8 @@ then
         LIBAVCODEC_COMMON="src/libavcodec/lavc_common.o src/libavcodec/utils.o"
         LIBAVCODEC_VIDEO="src/libavcodec/lavc_video.o src/libavcodec/from_lavc_vid_conv.o src/libavcodec/to_lavc_vid_conv.o"
         if test "$lavc_cuda_conv_req" != no && test "$FOUND_CUDA" = yes &&
-                        test "$system" != MacOSX; then
+                        test "$system" != MacOSX && test "$nvcc_major" -ge 9
+        then
                 lavc_cuda=yes
         fi
         if test "$lavc_cuda" = yes && test "$system" = Windows &&