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nac3/windows/default.nix

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{ pkgs }:
let
msys2-env = pkgs.stdenvNoCC.mkDerivation rec {
name = "msys2-env";
srcs = import ./msys2_packages.nix { inherit pkgs; };
buildInputs = [ pkgs.gnutar pkgs.zstd ];
phases = [ "installPhase" ];
installPhase = (pkgs.lib.strings.concatStringsSep "\n" (["mkdir $out"] ++ (map (p: "tar xvf ${p} -C $out") srcs)));
};
in
{
llvm-nac3 = pkgs.stdenvNoCC.mkDerivation rec {
name = "llvm-nac3-msys2";
src-llvm = pkgs.fetchurl {
url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-13.0.1/llvm-13.0.1.src.tar.xz";
sha256 = "sha256-7GuA2Cw4SsrS3BkpA6bPLNuv+4ibhL+5janXHmMPyDQ=";
};
src-clang = pkgs.fetchurl {
url = "https://github.com/llvm/llvm-project/releases/download/llvmorg-13.0.1/clang-13.0.1.src.tar.xz";
sha256 = "sha256-eHqeLZn1yHIKoXc+S+AJRhzTDTvUD90kWR5HNGfJF8k=";
};
buildInputs = [ pkgs.wineWowPackages.stable ];
phases = [ "unpackPhase" "patchPhase" "configurePhase" "buildPhase" "installPhase" ];
unpackPhase =
''
mkdir llvm
tar xf ${src-llvm} -C llvm --strip-components=1
mkdir clang
tar xf ${src-clang} -C clang --strip-components=1
cd llvm
# build of llvm-lto fails and -DLLVM_BUILD_TOOLS=OFF does not disable it reliably because cmake
rm -rf tools/lto
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'';
patches = [ ../llvm/llvm-future-riscv-abi.diff ];
configurePhase =
''
export HOME=`mktemp -d`
export WINEDEBUG=-all
export WINEPATH=${msys2-env}/mingw64/bin
# silence flood of "Fontconfig error: Cannot load default config file: No such file: (null)"
export FONTCONFIG_PATH=$HOME/fonts
mkdir $FONTCONFIG_PATH
cat > $FONTCONFIG_PATH/fonts.conf << EOF
<fontconfig>
</fontconfig>
EOF
mkdir build
cd build
wine64 cmake .. -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_UNWIND_TABLES=OFF -DLLVM_ENABLE_THREADS=OFF -DLLVM_TARGETS_TO_BUILD=X86\;ARM\;RISCV -DLLVM_LINK_LLVM_DYLIB=OFF -DLLVM_ENABLE_FFI=OFF -DLLVM_ENABLE_LIBXML2=OFF -DLLVM_ENABLE_PROJECTS=clang -DCMAKE_INSTALL_PREFIX=$out
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'';
buildPhase =
''
wine64 ninja
'';
installPhase =
''
wine64 ninja install
'';
};
}