mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-03 20:33:21 +00:00
5841d0353a
This was not caught when cctools-llvm was added. The parens are necessary to make sure this evaluates correctly when LLVM is new enough to provide a compatible `otool`.
105 lines
3.7 KiB
Nix
105 lines
3.7 KiB
Nix
# Create a cctools-compatible bintools that uses equivalent tools from LLVM in place of the ones
|
||
# from cctools when possible.
|
||
|
||
{ lib, stdenv, makeWrapper, cctools-port, llvmPackages, enableManpages ? true }:
|
||
|
||
let
|
||
cctoolsVersion = lib.getVersion cctools-port;
|
||
llvmVersion = llvmPackages.release_version;
|
||
|
||
# `bitcode_strip` is not available until LLVM 12.
|
||
useLLVMBitcodeStrip = lib.versionAtLeast llvmVersion "12";
|
||
|
||
# A compatible implementation of `otool` was not added until LLVM 13.
|
||
useLLVMOtool = lib.versionAtLeast llvmVersion "13";
|
||
|
||
# Older versions of `strip` cause problems for the version of `codesign_allocate` available in
|
||
# the version of cctools in nixpkgs. The version of `codesign_allocate` in cctools-1005.2 does
|
||
# not appear to have issues, but the source is not available yet (as of June 2023).
|
||
useLLVMStrip = lib.versionAtLeast llvmVersion "15" || lib.versionAtLeast cctoolsVersion "1005.2";
|
||
|
||
llvm_bins = [
|
||
"dwarfdump"
|
||
"nm"
|
||
"objdump"
|
||
"size"
|
||
"strings"
|
||
]
|
||
++ lib.optional useLLVMBitcodeStrip "bitcode-strip"
|
||
++ lib.optional useLLVMOtool "otool"
|
||
++ lib.optional useLLVMStrip "strip";
|
||
|
||
# Only include the tools that LLVM doesn’t provide and that are present normally on Darwin.
|
||
# The only exceptions are the following tools, which should be reevaluated when LLVM is bumped.
|
||
# - install_name_tool (llvm-objcopy): unrecognized linker commands when building open source CF;
|
||
# - libtool (llvm-libtool-darwin): not fully compatible when used with xcbuild; and
|
||
# - lipo (llvm-lipo): crashes when running the LLVM test suite.
|
||
cctools_bins = [
|
||
"cmpdylib"
|
||
"codesign_allocate"
|
||
"ctf_insert"
|
||
"install_name_tool"
|
||
"ld"
|
||
"libtool"
|
||
"lipo"
|
||
"nmedit"
|
||
"pagestuff"
|
||
"ranlib"
|
||
"segedit"
|
||
"vtool"
|
||
]
|
||
++ lib.optional (!useLLVMBitcodeStrip) "bitcode_strip"
|
||
++ lib.optional (!useLLVMOtool) "otool"
|
||
++ lib.optional (!useLLVMStrip) "strip";
|
||
|
||
inherit (stdenv.cc) targetPrefix;
|
||
|
||
linkManPages = pkg: source: target: lib.optionalString enableManpages ''
|
||
sourcePath=${pkg}/share/man/man1/${source}.1.gz
|
||
targetPath=$man/share/man/man1/${target}.1.gz
|
||
|
||
if [ -f "$sourcePath" ]; then
|
||
mkdir -p "$(dirname "$targetPath")"
|
||
ln -s "$sourcePath" "$targetPath"
|
||
fi
|
||
'';
|
||
in
|
||
stdenv.mkDerivation {
|
||
pname = "cctools-llvm";
|
||
version = "${llvmVersion}-${cctoolsVersion}";
|
||
|
||
nativeBuildInputs = [ makeWrapper ];
|
||
|
||
# The `man` output has to be included unconditionally because darwin.binutils expects it.
|
||
outputs = [ "out" "dev" "man" ];
|
||
|
||
buildCommand = ''
|
||
mkdir -p "$out/bin" "$man"
|
||
ln -s ${lib.getDev cctools-port} "$dev"
|
||
|
||
# Use the clang-integrated assembler instead of using `as` from cctools.
|
||
makeWrapper "${lib.getBin llvmPackages.clang-unwrapped}/bin/clang" "$out/bin/${targetPrefix}as" \
|
||
--add-flags "-x assembler -integrated-as -c"
|
||
|
||
ln -s "${lib.getBin llvmPackages.bintools-unwrapped}/bin/llvm-ar" "$out/bin/${targetPrefix}ar"
|
||
${linkManPages llvmPackages.llvm-manpages "llvm-ar" "ar"}
|
||
|
||
for tool in ${toString llvm_bins}; do
|
||
cctoolsTool=''${tool/-/_}
|
||
ln -s "${lib.getBin llvmPackages.llvm}/bin/llvm-$tool" "$out/bin/${targetPrefix}$cctoolsTool"
|
||
${linkManPages llvmPackages.llvm-manpages "llvm-$tool" "$cctoolsTool"}
|
||
done
|
||
|
||
for tool in ${toString cctools_bins}; do
|
||
ln -s "${lib.getBin cctools-port}/bin/${targetPrefix}$tool" "$out/bin/${targetPrefix}$tool"
|
||
${linkManPages (lib.getMan cctools-port) "$tool" "$tool"}
|
||
done
|
||
|
||
${linkManPages (lib.getMan cctools-port) "ld64" "ld64"}
|
||
${lib.optionalString (!useLLVMOtool) # The actual man page for otool in cctools is llvm-otool
|
||
(linkManPages (lib.getMan cctools-port) "llvm-otool" "llvm-otool")}
|
||
'';
|
||
|
||
passthru = { inherit targetPrefix; };
|
||
}
|