nginxMainline: enable ktls support

pkgs/servers/http/nginx/generic.nix

@@ -3,6 +3,7 @@
 , nixosTests
 , substituteAll, gd, geoip, perl
 , withDebug ? false
+, withKTLS ? false
 , withStream ? true
 , withMail ? false
 , withPerl ? true
@@ -80,6 +81,8 @@ stdenv.mkDerivation {
     "--http-scgi-temp-path=/var/cache/nginx/scgi"
   ] ++ optionals withDebug [
     "--with-debug"
+  ] ++ optionals withKTLS [
+    "--with-openssl-opt=enable-ktls"
   ] ++ optionals withStream [
     "--with-stream"
     "--with-stream_realip_module"

pkgs/top-level/all-packages.nix

@@ -21035,6 +21035,7 @@ with pkgs;
 
   nginxMainline = callPackage ../servers/http/nginx/mainline.nix {
     zlib = zlib-ng.override { withZlibCompat = true; };
+    withKTLS = true;
     withPerl = false;
     # We don't use `with` statement here on purpose!
     # See https://github.com/NixOS/nixpkgs/pull/10474#discussion_r42369334