Merge pull request #257921 from sarcasticadmin/rh/1695937800pat

pat: support libax25

pkgs/applications/radio/pat/default.nix

@@ -1,4 +1,10 @@
-{ lib, stdenv, buildGoModule, fetchFromGitHub }:
+{ lib
+, stdenv
+, buildGoModule
+, fetchFromGitHub
+, libax25
+, installShellFiles
+}:
 
 buildGoModule rec {
   pname = "pat";
@@ -15,10 +21,25 @@ buildGoModule rec {
 
   ldflags = [ "-s" "-w" ];
 
+  nativeBuildInputs = [
+    installShellFiles
+  ];
+
+  buildInputs = lib.optional stdenv.isLinux [ libax25 ];
+
+  # Needed by wl2k-go go module for libax25 to include support for Linux' AX.25 stack by linking against libax25.
+  # ref: https://github.com/la5nta/wl2k-go/blob/abe3ae5bf6a2eec670a21672d461d1c3e1d4c2f3/transport/ax25/ax25.go#L11-L17
+  tags = lib.optionals stdenv.isLinux [ "libax25" ];
+
+  postInstall = ''
+    installManPage man/pat-configure.1 man/pat.1
+  '';
+
   meta = with lib; {
     description = "Pat is a cross platform Winlink client written in Go.";
     homepage = "https://getpat.io/";
     license = licenses.mit;
-    maintainers = with maintainers; [ dotemup ];
+    maintainers = with maintainers; [ dotemup sarcasticadmin ];
+    platforms = platforms.unix;
   };
 }