nixpkgs/pkgs/os-specific/linux/procps-ng/default.nix

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{ lib, stdenv, fetchurl, ncurses, pkgconfig
# `ps` with systemd support is able to properly report different
# attributes like unit name, so we want to have it on linux.
, withSystemd ? stdenv.isLinux
, systemd ? null
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# procps is mostly Linux-only. Most commands require a running Linux
# system (or very similar like that found in Cygwin). The one
# exception is watch which is portable enough to run on pretty much
# any UNIX-compatible system.
, watchOnly ? !(stdenv.isLinux || stdenv.isCygwin)
}:
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stdenv.mkDerivation rec {
name = "procps-${version}";
version = "3.3.15";
# The project's releases are on SF, but git repo on gitlab.
src = fetchurl {
url = "mirror://sourceforge/procps-ng/procps-ng-${version}.tar.xz";
sha256 = "0r84kwa5fl0sjdashcn4vh7hgfm7ahdcysig3mcjvpmkzi7p9g8h";
};
buildInputs = [ ncurses ]
++ lib.optional withSystemd systemd;
nativeBuildInputs = [ pkgconfig ];
makeFlags = [ "usrbin_execdir=$(out)/bin" ]
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++ lib.optionals watchOnly [ "watch" "PKG_LDFLAGS="];
enableParallelBuilding = true;
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# Too red
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configureFlags = [ "--disable-modern-top" ]
++ lib.optional withSystemd "--with-systemd"
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++ lib.optionals (stdenv.hostPlatform != stdenv.buildPlatform)
[ "ac_cv_func_malloc_0_nonnull=yes"
"ac_cv_func_realloc_0_nonnull=yes" ];
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installPhase = if watchOnly then ''
install -m 0755 -D watch $out/bin/watch
install -m 0644 -D watch.1 $out/share/man/man1/watch.1
'' else null;
meta = {
homepage = https://gitlab.com/procps-ng/procps;
description = "Utilities that give information about processes using the /proc filesystem";
priority = 10; # less than coreutils, which also provides "kill" and "uptime"
license = lib.licenses.gpl2;
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platforms = lib.platforms.unix;
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maintainers = [ lib.maintainers.typetetris ];
};
}