firebird-emu: init at 1.4 (#42663)

* firebird-emu: init at 1.4

* firebird-emu: limit platform to linux

Other platforms fail to compile currently.

pkgs/misc/emulators/firebird-emu/default.nix

@@ -0,0 +1,38 @@
+{ stdenv, fetchFromGitHub, qmake, qtbase, qtdeclarative }:
+
+stdenv.mkDerivation rec {
+  name = "firebird-emu-${version}";
+  version = "1.4";
+
+  src = fetchFromGitHub {
+    owner = "nspire-emus";
+    repo = "firebird";
+    rev = "v${version}";
+    sha256 = "0pdca6bgnmzfgf5kp83as99y348gn4plzbxnqxjs61vp489baahq";
+    fetchSubmodules = true;
+  };
+
+  enableParallelBuilding = true;
+
+  nativeBuildInputs = [ qmake ];
+
+  buildInputs = [ qtbase qtdeclarative ];
+
+  makeFlags = [ "INSTALL_ROOT=$(out)" ];
+
+  # Attempts to install to /usr/bin and /usr/share/applications, which Nix does
+  # not use.
+  prePatch = ''
+    substituteInPlace firebird.pro \
+      --replace '/usr/' '/'
+  '';
+
+  meta = {
+    homepage = https://github.com/nspire-emus/firebird;
+    description = "Third-party multi-platform emulator of the ARM-based TI-Nspire™ calculators";
+    license = stdenv.lib.licenses.gpl3;
+    maintainers = with stdenv.lib.maintainers; [ pneumaticat ];
+    # Only tested on Linux, but likely possible to build on, e.g. macOS
+    platforms = stdenv.lib.platforms.linux;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -2399,6 +2399,8 @@ with pkgs;
 
   fio = callPackage ../tools/system/fio { };
 
+  firebird-emu = libsForQt5.callPackage ../misc/emulators/firebird-emu { };
+
   flamerobin = callPackage ../applications/misc/flamerobin { };
 
   flashtool = callPackage_i686 ../development/mobile/flashtool {