127 lines
3.8 KiB
Nix
127 lines
3.8 KiB
Nix
{
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lib,
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stdenvNoCC,
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cctools,
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clang-unwrapped,
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ld64,
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llvm,
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llvm-manpages,
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makeWrapper,
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enableManpages ? stdenvNoCC.targetPlatform == stdenvNoCC.hostPlatform,
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}:
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let
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inherit (stdenvNoCC) targetPlatform hostPlatform;
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targetPrefix = lib.optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}-";
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llvm_cmds = [
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"addr2line"
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"ar"
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"c++filt"
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"dwarfdump"
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"dsymutil"
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"nm"
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"objcopy"
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"objdump"
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"otool"
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"size"
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"strings"
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"strip"
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];
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cctools_cmds = [
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"codesign_allocate"
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"gprof"
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"ranlib"
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# Use the cctools versions because the LLVM ones can crash or fail when the cctools ones don’t.
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# Revisit when LLVM is updated to LLVM 18 on Darwin.
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"lipo"
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"install_name_tool"
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];
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linkManPages =
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pkg: source: target:
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lib.optionalString enableManpages ''
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sourcePath=${pkg}/share/man/man1/${source}.1.gz
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targetPath=''${!outputMan}/share/man/man1/${target}.1.gz
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if [ -f "$sourcePath" ]; then
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mkdir -p "$(dirname "$targetPath")"
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ln -s "$sourcePath" "$targetPath"
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fi
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'';
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in
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stdenvNoCC.mkDerivation {
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pname = "${targetPrefix}cctools-binutils-darwin";
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inherit (cctools) version;
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outputs = [ "out" ] ++ lib.optional enableManpages "man";
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strictDeps = true;
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nativeBuildInputs = [ makeWrapper ];
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buildCommand = ''
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mkdir -p $out/bin $out/include
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for tool in ${toString llvm_cmds}; do
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# Translate between LLVM and traditional tool names (e.g., `c++filt` versus `cxxfilt`).
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cctoolsTool=''${tool//-/_}
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llvmTool=''${tool//++/xx}
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# Some tools aren’t prefixed (like `dsymutil`).
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llvmPath="${lib.getBin llvm}/bin"
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if [ -e "$llvmPath/llvm-$llvmTool" ]; then
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llvmTool=llvm-$llvmTool
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elif [ -e "$llvmPath/${targetPrefix}$llvmTool" ]; then
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llvmTool=${targetPrefix}$llvmTool
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fi
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# Not all tools are included in the bootstrap tools. Don’t link them if they don’t exist.
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if [ -e "$llvmPath/$llvmTool" ]; then
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ln -s "$llvmPath/$llvmTool" "$out/bin/${targetPrefix}$cctoolsTool"
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fi
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${linkManPages llvm-manpages "$llvmTool" "$cctoolsTool"}
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done
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for tool in ${toString cctools_cmds}; do
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toolsrc="${lib.getBin cctools}/bin/${targetPrefix}$tool"
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if [ -e "$toolsrc" ]; then
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ln -s "${lib.getBin cctools}/bin/${targetPrefix}$tool" "$out/bin/${targetPrefix}$tool"
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fi
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${linkManPages (lib.getMan cctools) "$tool" "$tool"}
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done
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${
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# These are unprefixed because some tools expect to invoke them without it when cross-compiling to Darwin:
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# - clang needs `dsymutil` when building with debug information;
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# - meson needs `lipo` when cross-compiling to Darwin; and
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# - meson also needs `install_name_tool` and `otool` when performing rpath cleanup on installation.
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lib.optionalString (targetPrefix != "") ''
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for bintool in dsymutil install_name_tool lipo otool; do
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ln -s "$out/bin/${targetPrefix}$bintool" "$out/bin/$bintool"
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done
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''
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}
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# Use the clang-integrated assembler. `as` in cctools is deprecated upstream and no longer built in nixpkgs.
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makeWrapper "${lib.getBin clang-unwrapped}/bin/clang" "$out/bin/${targetPrefix}as" \
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--add-flags "-x assembler -integrated-as -c"
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ln -s '${lib.getBin ld64}/bin/${targetPrefix}ld' "$out/bin/${targetPrefix}ld"
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${linkManPages (lib.getMan ld64) "ld" "ld"}
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${linkManPages (lib.getMan ld64) "ld-classic" "ld-classic"}
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${linkManPages (lib.getMan ld64) "ld64" "ld64"}
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'';
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__structuredAttrs = true;
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passthru = {
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inherit cctools_cmds llvm_cmds targetPrefix;
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isCCTools = true; # The fact ld64 is used instead of lld is why this isn’t `isLLVM`.
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};
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meta = {
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maintainers = with lib.maintainers; [ reckenrode ];
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priority = 10;
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};
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}
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