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41 lines
1.4 KiB
Nix
41 lines
1.4 KiB
Nix
let
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removedDylibs = [
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# corecrypto is available under a very restrictive license (effectively: non-free, can’t use).
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# Without the headers and not being able to use corecrypto due to its license, it’s not very useful.
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# Stubs are included in the SDK for all dylibs, including corecrypto. They should be removed.
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"/usr/lib/system/libcorecrypto.dylib"
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];
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in
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{
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lib,
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jq,
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llvm,
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}:
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self: super: {
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nativeBuildInputs = super.nativeBuildInputs or [ ] ++ [
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jq
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llvm
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];
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buildPhase = super.buildPhase or "" + ''
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echo "Removing the following dylibs from the libSystem reexported libraries list: ${lib.escapeShellArg (lib.concatStringsSep ", " removedDylibs)}"
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for libSystem in libSystem.B.tbd libSystem.B_asan.tbd; do
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# tbd-v5 is a JSON-based format, which can be manipulated by `jq`.
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llvm-readtapi --filetype=tbd-v5 usr/lib/$libSystem \
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| jq --argjson libs ${lib.escapeShellArg (builtins.toJSON removedDylibs)} '
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if .libraries then
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.libraries[] |= select(.install_names[] | any([.] | inside($libs)) | not)
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else
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.
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end
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| .main_library.reexported_libraries[].names[] |= select([.] | inside($libs) | not)
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' > usr/lib/$libSystem~
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# Convert libSystem back to tbd-v4 because not all tooling supports the JSON-based format yet.
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llvm-readtapi --filetype=tbd-v4 usr/lib/$libSystem~ -o usr/lib/$libSystem
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rm usr/lib/$libSystem~
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done
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'';
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}
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