Revert "ghdl-llvm"

This reverts commit 56a4e6a01a.

nix-darwin/home.nix

@@ -27,7 +27,6 @@
       #     patches = [ ./change-hello-to-hi.patch ];
       #   });
       # })
-      (import ./overlays/ghdl-llvm.nix)
     ];
     # Configure your nixpkgs instance
     config = {
@@ -88,11 +87,7 @@
     sshfs
     libqalculate
     imagemagick
-
-    # compiler stuff
     llvm
-    libllvm
-    ghdl-llvm
 
     # Simulators
     # ngspice

nix-darwin/overlays/ghdl-llvm.nix

@@ -1,126 +0,0 @@
-{ stdenv
-, fetchFromGitHub
-, callPackage
-, gnat
-, zlib
-, llvm
-, lib
-, gcc-unwrapped
-, texinfo
-, gmp
-, mpfr
-, libmpc
-, gnutar
-, glibc
-, makeWrapper
-, backend ? "mcode"
-, isDarwin ? stdenv.isDarwin
-}:
-
-assert backend == "mcode" || backend == "llvm" || backend == "gcc";
-
-stdenv.mkDerivation (finalAttrs: {
-  pname = "ghdl-${backend}";
-  version = "4.1.0";
-
-  src = fetchFromGitHub {
-    owner  = "ghdl";
-    repo   = "ghdl";
-    rev    = "v${finalAttrs.version}";
-    hash   = "sha256-tPSHer3qdtEZoPh9BsEyuTOrXgyENFUyJqnUS3UYAvM=";
-  };
-
-  LIBRARY_PATH = "${stdenv.cc.libc}/lib";
-
-  nativeBuildInputs = [
-    gnat
-  ] ++ lib.optionals (backend == "gcc") [
-    texinfo
-    makeWrapper
-  ];
-  buildInputs = [
-    zlib
-  ] ++ lib.optionals (backend == "llvm") [
-    llvm
-  ] ++ lib.optionals (backend == "gcc") [
-    gmp
-    mpfr
-    libmpc
-  ];
-  propagatedBuildInputs = [
-  ] ++ lib.optionals (backend == "llvm" || backend == "gcc") [
-    zlib
-  ];
-
-  preConfigure = ''
-    # If llvm 7.0 works, 7.x releases should work too.
-    sed -i 's/check_version  7.0/check_version  7/g' configure
-  '' + lib.optionalString (backend == "gcc") ''
-    ${gnutar}/bin/tar -xf ${gcc-unwrapped.src}
-  '';
-
-  configureFlags = [
-    # See https://github.com/ghdl/ghdl/pull/2058
-    "--disable-werror"
-    "--enable-synth"
-  ] ++ lib.optionals (backend == "llvm") [
-    "--with-llvm-config=${llvm.dev}/bin/llvm-config"
-  ] ++ lib.optionals (backend == "gcc") [
-    "--with-gcc=gcc-${gcc-unwrapped.version}"
-  ];
-
-  buildPhase = lib.optionalString (backend == "gcc") ''
-    make copy-sources
-    mkdir gcc-objs
-    cd gcc-objs
-    ../gcc-${gcc-unwrapped.version}/configure \
-      --with-native-system-header-dir=/include \
-      --with-build-sysroot=${lib.getDev glibc} \
-      --prefix=$out \
-      --enable-languages=c,vhdl \
-      --disable-bootstrap \
-      --disable-lto \
-      --disable-multilib \
-      --disable-libssp \
-      --disable-libgomp \
-      --disable-libquadmath
-    make -j $NIX_BUILD_CORES
-    make install
-    cd ../
-    make -j $NIX_BUILD_CORES ghdllib
-  '';
-
-  postFixup = lib.optionalString (backend == "gcc") ''
-    wrapProgram $out/bin/ghdl \
-      --set LIBRARY_PATH ${lib.makeLibraryPath [
-        glibc
-      ]}
-  '';
-
-  hardeningDisable = [
-  ] ++ lib.optionals (backend == "gcc") [
-    # GCC compilation fails with format errors
-    "format"
-  ];
-
-  enableParallelBuilding = true;
-
-  passthru = {
-    # run with:
-    # nix-build -A ghdl-mcode.passthru.tests
-    # nix-build -A ghdl-llvm.passthru.tests
-    # nix-build -A ghdl-gcc.passthru.tests
-    tests = {
-      simple = callPackage ./test-simple.nix { inherit backend; };
-    };
-  };
-
-  meta = {
-    homepage = "https://github.com/ghdl/ghdl";
-    description = "VHDL 2008/93/87 simulator";
-    license = lib.licenses.gpl2Plus;
-    mainProgram = "ghdl";
-    maintainers = with lib.maintainers; [ lucus16 thoughtpolice ];
-    platforms = lib.platforms.all;
-  };
-})