2 files changed, 67 insertions, 0 deletions
diff --git a/tv/5pkgs/rpi/WiringPi/default.nix b/tv/5pkgs/rpi/WiringPi/default.nix
new file mode 100644
index 000000000..61c43556d
--- /dev/null
+++ b/tv/5pkgs/rpi/WiringPi/default.nix
@@ -0,0 +1,61 @@
+{ fetchFromGitHub, runCommand, stdenv }:
+
+let
+  generic = name: extraAttrs:
+    stdenv.mkDerivation ({
+      pname = "WiringPi-${name}";
+      version = "2020-09-14";
+
+      src = fetchFromGitHub (stdenv.lib.importJSON ./src.json);
+
+      buildPhase = ''
+        runHook postBuild
+
+        make -C ${name} all
+
+        runHook preBuild
+      '';
+
+      installPhase = ''
+        runHook preInstall
+
+        export DESTDIR=$out
+        export PREFIX=
+        export LDCONFIG=true
+
+        make -C ${name} install
+
+        runHook postInstall
+      '';
+    } // extraAttrs);
+
+  fakeutils = runCommand "fakeutils-1.0" {} /* sh */ ''
+    mkdir -p $out/bin
+    for name in chown chmod; do
+      touch $out/bin/$name
+      chmod +x $out/bin/$name
+    done
+  '';
+in
+
+rec {
+  wiringPi = generic "wiringPi" {};
+  wiringPiDev = generic "devLib" {
+    buildInputs = [
+      wiringPi
+    ];
+  };
+  gpio = generic "gpio" {
+    preInstall = ''
+      # fakeutils cannot be buildInputs because they have to override existing
+      # executables and therefore need to be prepended to the search path.
+      PATH=${fakeutils}/bin:$PATH
+
+      mkdir -p $out/bin
+    '';
+    buildInputs = [
+      wiringPi
+      wiringPiDev
+    ];
+  };
+}
diff --git a/tv/5pkgs/rpi/WiringPi/src.json b/tv/5pkgs/rpi/WiringPi/src.json
new file mode 100644
index 000000000..edf4e8272
--- /dev/null
+++ b/tv/5pkgs/rpi/WiringPi/src.json
@@ -0,0 +1,6 @@
+{
+  "owner": "WiringPi",
+  "repo": "WiringPi",
+  "rev": "5c6bab7d4279e8c0cc890984eaa1a69ff3af1c99",
+  "sha256": "1jlx7lb3ybwv06b2dpmsr718d0xj85awl1dgdqc607k50kk25mjb"
+}