depot/third_party/nixpkgs/pkgs/os-specific/darwin/apple-source-releases/top/package.nix

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{
apple-sdk_11,
fetchpatch2,
libutil,
mkAppleDerivation,
ncurses,
pkg-config,
}:
let
xnu = apple-sdk_11.sourceRelease "xnu";
in
mkAppleDerivation {
releaseName = "top";
xcodeHash = "sha256-b7Qv9ks9JmilY9GaEU3/iXoHBNyHRYr4IB0jVf0fYdo=";
patches = [
# Upstream removed aarch64 support from the 137 source release, but the removal can be reverted.
# Otherwise, top will fail to run on aarch64-darwin.
# Based on https://github.com/apple-oss-distributions/top/commit/a989bd5d18246e330e5feadd80958b913351f8ae.diff
./patches/0001-Revert-change-that-dropped-aarch64-support.patch
];
postPatch = ''
# Fix duplicate symbol error. `tsamp` is unused in `main.c`.
substituteInPlace main.c \
--replace-fail 'const libtop_tsamp_t *tsamp;' ""
# Adding the whole sys folder causes header conflicts, so copy only the private headers that are needed.
mkdir sys
cp ${xnu}/bsd/sys/{kern_memorystatus.h,reason.h} sys/
'';
buildInputs = [
apple-sdk_11
libutil
ncurses
];
nativeBuildInputs = [ pkg-config ];
meta.description = "Display information about processes";
}