idk man

packages/edk2/default.nix

@@ -1,10 +1,14 @@
 { stdenv
 , fetchFromGitHub
 , lib
-, MODEL ? "5"
+, MODEL ? "4"
 , RELEASE_TYPE ? "RELEASE"
 , EDK2_FLAGS ? ""
+, nasm
+, perl
 , python3
+, python3Packages
+, openssl
 , git
 , libuuid
 , pkgs
@@ -28,7 +32,7 @@ let
     owner = "mjallen18";
     repo = "edk2-non-osi";
     name = repo;
-    rev = "09ee44f07ded544d976be8a03dec3715719f638e";
+    rev = "09ee44f07ded544d976be8a03dec3715719homeassistant-apif638e";
     hash = "sha256-k7nUb3WaRUIr9IlXdam2WGKPOzKjLNVFLfuD5h4veMc=";
   };
 
@@ -36,9 +40,17 @@ let
     owner = "mjallen18";
     repo = "edk2-platforms";
     name = repo;
-    rev = "3000448f1f239d7220c5650dce150dfa6eac5c0a";
-    hash = "sha256-keB7pxoOUfNghjmL3LUqGHpRGKp3zHwjTsvDO9Gur24=";
+    rev = "933314d94a3d05f2f62b0f2148151d4a0f1e1183";
+    hash = "sha256-Tnvrwk4g191LzfTkdoFw1BBN51EWhEQ7DRe9u5Mzc0w=";
   };
+
+  baseTools = pkgs.${namespace}.edk2-basetools;
+
+  pythonEnv = python3.withPackages (
+    _ps: with python3Packages; [
+      libfdt
+    ]
+  );
 in
 stdenv.mkDerivation rec {
   inherit pname version;
@@ -51,11 +63,26 @@ stdenv.mkDerivation rec {
 
   # Add required host tools if needed:
   nativeBuildInputs = [
-   python3
-   git
-   libuuid
+    openssl
+    nasm
+    perl
+    pythonEnv
+    git
+    libuuid
+    baseTools
   ];
 
+  env = {
+    NIX_CFLAGS_COMPILE =
+      "-Wno-return-type -Wno-error"
+      + lib.optionalString (stdenv.cc.isGNU) " -Wno-error=stringop-truncation"
+      + lib.optionalString (stdenv.hostPlatform.isDarwin) " -Wno-error=macro-redefined";
+    PYTHON_COMMAND = lib.getExe pythonEnv;
+    # trick taken from https://src.fedoraproject.org/rpms/edk2/blob/08f2354cd280b4ce5a7888aa85cf520e042955c3/f/edk2.spec#_319
+    ${"GCC5_AARCH64_PREFIX"} = stdenv.cc.targetPrefix;
+
+  };
+
   # Don’t force a single root; we keep both dirs side by side
   sourceRoot = ".";
 
@@ -73,18 +100,38 @@ stdenv.mkDerivation rec {
     runHook postUnpack
   '';
 
-  buildPhase = ''
-    export PYTHON_COMMAND=${python3}/bin/python
+  prePatch = ''
+    rm -rf ./edk2/BaseTools
+    ln -sv ${baseTools}/BaseTools ./edk2/BaseTools
+  '';
+
+  postPatch = ''
+    f=edk2/CryptoPkg/Library/OpensslLib/OpensslLib.inf
+    if grep -q '^\[BuildOptions\]' "$f"; then
+      # Add flag inside existing BuildOptions
+      sed -i '/^\[BuildOptions\]/a\  GCC:*_*_*_CC_FLAGS = -Wno-error' "$f"
+    else
+      # Append a new BuildOptions block
+      cat >> "$f" <<'EOF'
+
+  [BuildOptions]
+    GCC:*_*_*_CC_FLAGS = -Wno-error
+  EOF
+    fi
+  '';
+
+  configurePhase = ''
+    runHook preConfigure
     export WORKSPACE=$PWD
     export PACKAGES_PATH=$WORKSPACE/edk2:$WORKSPACE/edk2-non-osi:$WORKSPACE/edk2-platforms
-    export EDK_TOOLS_PATH=$WORKSPACE/edk2/BaseTools
-
-    make -C ./edk2/BaseTools
-
+    export EDK_TOOLS_PATH=${baseTools}/BaseTools
     export ATF_BUILD_DIR="${pkgs.${namespace}.arm-trusted-firmware}/rpi${MODEL}/${RELEASE_TYPE}"
 
-    . ./edk2/edksetup.sh BaseTools
+    . ${baseTools}/edksetup.sh BaseTools
+    runHook postConfigure
+  '';
 
+  buildPhase = ''
     build \
         -a AARCH64 \
         -t GCC \