Added initial nix flake.

CMakeLists.txt

@@ -4,6 +4,7 @@ project(pinedio-usb C)
 set(CMAKE_C_STANDARD 11)
 
 add_library(pinedio-usb STATIC libpinedio-usb.c)
+set_target_properties(pinedio-usb PROPERTIES PUBLIC_HEADER libpinedio-usb.h)
 find_package(PkgConfig REQUIRED)
 pkg_check_modules(LIBUSB REQUIRED libusb-1.0)
 target_link_libraries(pinedio-usb ${LIBUSB_LIBRARIES})
@@ -12,3 +13,5 @@ target_include_directories(pinedio-usb PRIVATE ${LIBUSB_INCLUDE_DIRS})
 
 add_executable(pinedio-test test.c)
 target_link_libraries(pinedio-test PRIVATE pinedio-usb)
+
+install(TARGETS pinedio-usb)

flake.nix

@@ -0,0 +1,64 @@
+{
+  description = "A userspace driver for the Pinedio usb LoRa radio.";
+
+  inputs.nixpkgs.url = "nixpkgs/nixos-24.11";
+
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs = { self, nixpkgs, flake-utils }:
+  flake-utils.lib.eachDefaultSystem (system:
+  let 
+    lastModifiedDate = self.lastModifiedDate or self.lastModified or "19700101";
+    version = builtins.substring 0 8 lastModifiedDate;
+    pkgs = import nixpkgs {inherit system;};
+    mkBuild = attrs: pkgs.stdenv.mkDerivation (attrs // {
+      inherit version;
+      src = ./.;
+      nativeBuildInputs = [ pkgs.cmake pkgs.ninja pkgs.pkg-config ];
+      buildInputs = [ pkgs.libusb1 ];
+    });
+  in 
+  {
+
+    packages = rec { 
+      libpinedio-usb = mkBuild {
+        pname = "libpinedio-usb";
+      };
+      pinedio-test = mkBuild {
+        pname = "pinedio-test";
+        installPhase = ''
+          mkdir -p $out/bin
+          cp pinedio-test $out/bin
+          '';
+      };
+      default = libpinedio-usb;
+    };
+
+    devShells.default = pkgs.mkShell {
+      inputsFrom = [
+        self.packages.${system}.pinedio-test
+      ];
+      packages = [ pkgs.git pkgs.nixd pkgs.valgrind ];
+    };
+
+    # Run test suite when checking the flake
+    checks = 
+      rec {
+        inherit (self.packages.${system}) pinedio-test;
+
+        test = pkgs.stdenv.mkDerivation 
+          {
+            pname = "pinedio-test";
+            inherit version;
+
+            buildInputs = [ pinedio-test ];
+            dontUnpack = true;
+
+            buildPhase = ''
+              echo Running pinedio-test
+              echo TODO: pinedio-test currently segfaults so skip this for now'';
+            installPhase = ''mkdir -p $out'';
+          };
+      };
+  });
+}