74 lines
2.5 KiB
Nix
74 lines
2.5 KiB
Nix
{ lib, stdenv, makeWrapper, binutils-unwrapped, cctools, llvm, clang-unwrapped }:
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# Make sure both underlying packages claim to have prepended their binaries
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# with the same targetPrefix.
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assert binutils-unwrapped.targetPrefix == cctools.targetPrefix;
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let
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inherit (binutils-unwrapped) targetPrefix;
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cmds = [
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"ar" "ranlib" "as" "install_name_tool"
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"ld" "strip" "otool" "lipo" "nm" "strings" "size"
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"codesign_allocate"
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];
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in
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# TODO: loop over targetPrefixed binaries too
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stdenv.mkDerivation {
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pname = "${targetPrefix}cctools-binutils-darwin";
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inherit (cctools) version;
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outputs = [ "out" "man" ];
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buildCommand = ''
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mkdir -p $out/bin $out/include
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ln -s ${binutils-unwrapped.out}/bin/${targetPrefix}c++filt $out/bin/${targetPrefix}c++filt
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# We specifically need:
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# - ld: binutils doesn't provide it on darwin
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# - as: as above
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# - ar: the binutils one produces .a files that the cctools ld doesn't like
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# - ranlib: for compatibility with ar
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# - otool: we use it for some of our name mangling
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# - install_name_tool: we use it to rewrite stuff in our bootstrap tools
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# - strip: the binutils one seems to break mach-o files
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# - lipo: gcc build assumes it exists
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# - nm: the gnu one doesn't understand many new load commands
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for i in ${lib.concatStringsSep " " (builtins.map (e: targetPrefix + e) cmds)}; do
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ln -sf "${cctools}/bin/$i" "$out/bin/$i"
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done
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ln -s ${llvm}/bin/dsymutil $out/bin/dsymutil
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ln -s ${binutils-unwrapped.out}/share $out/share
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ln -s ${cctools}/libexec $out/libexec
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mkdir -p "$man"/share/man/man{1,5}
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for i in ${builtins.concatStringsSep " " cmds}; do
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for path in "${cctools.man}"/share/man/man?/$i.*; do
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dest_path="$man''${path#${cctools.man}}"
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ln -sv "$path" "$dest_path"
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done
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done
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''
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# On aarch64-darwin we must use clang, because "as" from cctools just doesn't
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# handle the arch. Proxying calls to clang produces quite a bit of warnings,
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# and using clang directly here is a better option than relying on cctools.
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# On x86_64-darwin the Clang version is too old to support this mode.
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+ lib.optionalString stdenv.isAarch64 ''
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rm $out/bin/as
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makeWrapper "${clang-unwrapped}/bin/clang" "$out/bin/as" \
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--add-flags "-x assembler -integrated-as -c"
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'';
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nativeBuildInputs = lib.optionals stdenv.isAarch64 [ makeWrapper ];
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passthru = {
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inherit targetPrefix;
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};
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meta = {
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maintainers = with lib.maintainers; [ matthewbauer ];
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priority = 10;
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};
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}
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