chore: create package for nix

CMakeLists.txt

@@ -4,5 +4,7 @@ project(difftest)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_C_STANDARD 17)
 
+include(GNUInstallDirs)
+
 include_directories(include)
 add_subdirectory(src)

default.nix

@@ -0,0 +1,17 @@
+{ lib
+, stdenv
+, cmake
+, mini-gdbstub
+, cli11
+}: stdenv.mkDerivation {
+  pname = "diffu";
+  version = "0.0.0";
+
+  src = ./.;
+
+  nativeBuildInputs = [
+    cmake
+    mini-gdbstub
+    cli11
+  ];
+}

flake.nix

@@ -49,6 +49,7 @@
             mini-gdbstub
           ];
         };
+        packages.default = pkgs.callPackage ./default.nix { };
       }
     );
 }

src/CMakeLists.txt

@@ -1,2 +1,4 @@
 add_executable(diffu cli.cpp difftest.cpp gdbstub.cpp loader.cpp main.cpp)
 target_link_libraries(diffu PRIVATE gdbstub)
+install ( TARGETS diffu )
+