fix: debian bookworm build

build.rs

@@ -0,0 +1,19 @@
+use std::env;
+
+fn main() {
+    // re-export ffmpeg-sys-the-third features
+    // https://github.com/FFmpeg/FFmpeg/blob/master/doc/APIchanges
+    for (name, _value) in env::vars() {
+        if name.starts_with("DEP_FFMPEG_CHECK_") {
+            println!(
+                r#"cargo:rustc-check-cfg=cfg(feature, values("{}"))"#,
+                name["DEP_FFMPEG_CHECK_".len()..name.len()].to_lowercase()
+            );
+        } else if name.starts_with("DEP_FFMPEG_") {
+            println!(
+                r#"cargo:rustc-cfg=feature="{}""#,
+                name["DEP_FFMPEG_".len()..name.len()].to_lowercase()
+            );
+        }
+    }
+}