libfido2: add option to disable pcsclite

Cross-compiling pcsclite is slow and has been historically troublesome,
and it covers a rare use case in a common library. Add an option to
easily disable it when desired.

pkgs/development/libraries/libfido2/default.nix

@@ -8,6 +8,7 @@
 , openssl
 , udev
 , zlib
+, withPcsclite ? true
 , pcsclite
 }:
 
@@ -25,7 +26,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ libcbor zlib ]
     ++ lib.optionals stdenv.isDarwin [ hidapi ]
-    ++ lib.optionals stdenv.isLinux [ udev pcsclite ];
+    ++ lib.optionals stdenv.isLinux [ udev ]
+    ++ lib.optionals (stdenv.isLinux && withPcsclite) [ pcsclite ];
 
   propagatedBuildInputs = [ openssl ];
 
@@ -38,6 +40,7 @@ stdenv.mkDerivation rec {
     "-DUSE_HIDAPI=1"
   ] ++ lib.optionals stdenv.isLinux [
     "-DNFC_LINUX=1"
+  ] ++ lib.optionals (stdenv.isLinux && withPcsclite) [
     "-DUSE_PCSC=1"
   ];