494ed4d6ee
This ensures that all the features that are implemented via dlopen(3) are available (or explicitly deactivated) by pointing dlopen to the absolute store path instead of relying on the linkers runtime lookup code. All of the dlopen calls have to be handled. When new ones are introduced by upstream (or one of our patches) those must be explicitly declared, otherwise the build will fail. As of systemd version 247 we've seen a few errors like `libpcre2.… not found` when using e.g. --grep with journalctl. Those errors should become less unexpected now. There are generally two classes of dlopen calls. Those that we want to support and those that should be deactivated / unsupported. This change enforces that we handle all dlopen calls explicitly. Meaning: There is not a single dlopen call in the code source tree that we did not explicitly handle. In order to do this I introduced a list of attributes that maps from shared object name to the package that contains them. The package can be null meaning the reference should be nuked and the shared object will never be loadable during runtime (because it points at an invalid store path location).
523 lines
18 KiB
Nix
523 lines
18 KiB
Nix
{ stdenv
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, lib
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, fetchFromGitHub
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, fetchpatch
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, buildPackages
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, ninja
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, meson
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, m4
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, pkgconfig
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, coreutils
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, gperf
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, getent
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, patchelf
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, glibcLocales
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, glib
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, substituteAll
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, gettext
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, python3Packages
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# Mandatory dependencies
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, libcap
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, util-linux
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, kbd
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, kmod
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# Optional dependencies
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, pam
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, cryptsetup
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, lvm2
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, audit
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, acl
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, lz4
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, libgcrypt
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, libgpgerror
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, libidn2
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, curl
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, gnutar
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, gnupg
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, zlib
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, xz
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, libuuid
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, libapparmor
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, intltool
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, bzip2
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, pcre2
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, e2fsprogs
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, linuxHeaders ? stdenv.cc.libc.linuxHeaders
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, gnu-efi
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, iptables
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, withSelinux ? false
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, libselinux
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, withLibseccomp ? lib.any (lib.meta.platformMatch stdenv.hostPlatform) libseccomp.meta.platforms
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, libseccomp
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, withKexectools ? lib.any (lib.meta.platformMatch stdenv.hostPlatform) kexectools.meta.platforms
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, kexectools
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, bashInteractive
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, libmicrohttpd
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, withAnalyze ? true
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, withApparmor ? true
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, withCompression ? true # adds bzip2, lz4 and xz
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, withCoredump ? true
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, withCryptsetup ? true
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, withDocumentation ? true
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, withEfi ? stdenv.hostPlatform.isEfi
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, withHomed ? false
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, withHostnamed ? true
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, withHwdb ? true
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, withImportd ? true
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, withLocaled ? true
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, withLogind ? true
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, withMachined ? true
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, withNetworkd ? true
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, withNss ? true
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, withOomd ? false
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, withPCRE2 ? true
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, withPolkit ? true
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, withPortabled ? false
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, withRemote ? true
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, withResolved ? true
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, withShellCompletions ? true
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, withTimedated ? true
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, withTimesyncd ? true
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, withUserDb ? true
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, libfido2
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, p11-kit
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# name argument
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, pname ? "systemd"
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, libxslt
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, docbook_xsl
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, docbook_xml_dtd_42
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, docbook_xml_dtd_45
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}:
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assert withResolved -> (libgcrypt != null && libgpgerror != null);
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assert withImportd ->
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(curl.dev != null && zlib != null && xz != null && libgcrypt != null
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&& gnutar != null && gnupg != null && withCompression);
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assert withEfi -> (gnu-efi != null);
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assert withRemote -> lib.getDev curl != null;
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assert withCoredump -> withCompression;
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assert withHomed -> withCryptsetup;
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assert withCryptsetup ->
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(cryptsetup != null);
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let
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wantCurl = withRemote || withImportd;
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version = "247.2";
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in
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stdenv.mkDerivation {
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inherit version pname;
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# We use systemd/systemd-stable for src, and ship NixOS-specific patches inside nixpkgs directly
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# This has proven to be less error-prone than the previous systemd fork.
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src = fetchFromGitHub {
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owner = "systemd";
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repo = "systemd-stable";
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rev = "v${version}";
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sha256 = "091pwrvxz3gcf80shlp28d6l4gvjzc6pb61v4mwxmk9d71qaq7ry";
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};
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# If these need to be regenerated, `git am path/to/00*.patch` them into a
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# systemd worktree, rebase to the more recent systemd version, and export the
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# patches again via `git format-patch v${version}`.
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# Use `find . -name "*.patch" | sort` to get an up-to-date listing of all patches
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patches = [
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./0001-Start-device-units-for-uninitialised-encrypted-devic.patch
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./0002-Don-t-try-to-unmount-nix-or-nix-store.patch
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./0003-Fix-NixOS-containers.patch
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./0004-Look-for-fsck-in-the-right-place.patch
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./0005-Add-some-NixOS-specific-unit-directories.patch
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./0006-Get-rid-of-a-useless-message-in-user-sessions.patch
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./0007-hostnamed-localed-timedated-disable-methods-that-cha.patch
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./0008-Fix-hwdb-paths.patch
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./0009-Change-usr-share-zoneinfo-to-etc-zoneinfo.patch
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./0010-localectl-use-etc-X11-xkb-for-list-x11.patch
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./0011-build-don-t-create-statedir-and-don-t-touch-prefixdi.patch
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./0012-inherit-systemd-environment-when-calling-generators.patch
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./0013-add-rootprefix-to-lookup-dir-paths.patch
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./0014-systemd-shutdown-execute-scripts-in-etc-systemd-syst.patch
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./0015-systemd-sleep-execute-scripts-in-etc-systemd-system-.patch
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./0016-kmod-static-nodes.service-Update-ConditionFileNotEmp.patch
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./0017-path-util.h-add-placeholder-for-DEFAULT_PATH_NORMAL.patch
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./0018-logind-seat-debus-show-CanMultiSession-again.patch
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./0019-Revert-pkg-config-prefix-is-not-really-configurable-.patch
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];
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postPatch = ''
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substituteInPlace src/basic/path-util.h --replace "@defaultPathNormal@" "${placeholder "out"}/bin/"
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substituteInPlace src/boot/efi/meson.build \
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--replace \
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"find_program('ld'" \
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"find_program('${stdenv.cc.bintools.targetPrefix}ld'" \
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--replace \
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"find_program('objcopy'" \
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"find_program('${stdenv.cc.bintools.targetPrefix}objcopy'"
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'' + (let
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# The folllowing dlopen patches ensure that all the features that are
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# implemented via dlopen(3) are available (or explicitly deactivated) by
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# pointing dlopen to the absolute store path instead of relying on the
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# linkers runtime lookup code.
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#
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# All of the dlopen calls have to be handled. When new ones are introduced
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# by upstream (or one of our patches) they must be explicitly declared,
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# otherwise the build will fail.
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#
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# As of systemd version 247 we've seen a few errors like `libpcre2.… not
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# found` when using e.g. --grep with journalctl. Those errors should
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# become less unexpected now.
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#
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# There are generally two classes of dlopen(3) calls. Those that we want to
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# support and those that should be deactivated / unsupported. This change
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# enforces that we handle all dlopen calls explicitly. Meaning: There is
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# not a single dlopen call in the source code tree that we did not
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# explicitly handle.
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#
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# In order to do this we introduced a list of attributes that maps from
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# shared object name to the package that contains them. The package can be
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# null meaning the reference should be nuked and the shared object will
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# never be loadable during runtime (because it points at an invalid store
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# path location).
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#
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# To get a list of dynamically loaded libraries issue something like
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# `grep -ri 'dlopen("lib' $src` and update the below list.
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dlopenLibs = [
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# We did never provide support for libxkbcommon & qrencode
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{ name = "libxkbcommon.so.0"; pkg = null; }
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{ name = "libqrencode.so.4"; pkg = null; }
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# We did not provide libpwquality before so it is safe to disable it for
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# now.
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{ name = "libpwquality.so.1"; pkg = null; }
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# Only include cryptsetup if it is enabled. We might not be able to
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# provide it during "bootstrap" in e.g. the minimal systemd build as
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# cryptsetup has udev (aka systemd) in it's dependencies.
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{ name = "libcryptsetup.so.12"; pkg = if withCryptsetup then cryptsetup else null; }
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# We are using libidn2 so we only provide that and ignore the others.
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# Systemd does this decision during configure time and uses ifdef's to
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# enable specific branches. We can safely ignore (nuke) the libidn "v1"
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# libraries.
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{ name = "libidn2.so.0"; pkg = libidn2; }
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{ name = "libidn.so.12"; pkg = null; }
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{ name = "libidn.so.11"; pkg = null; }
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# journalctl --grep requires libpcre so lets provide it
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{ name = "libpcre2-8.so.0"; pkg = pcre2; }
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];
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patchDlOpen = dl: let
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library = "${lib.makeLibraryPath [dl.pkg]}/${dl.name}";
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in if dl.pkg == null then ''
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# remove the dependency on the library by replacing it with an invalid path
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for file in $(grep -lr 'dlopen("${dl.name}"' src); do
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echo "patching dlopen(\"${dl.name}\", …) in $file to an invalid store path ("/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-not-implemented/${dl.name}")…"
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substituteInPlace "$file" --replace 'dlopen("${dl.name}"' 'dlopen("/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-not-implemented/${dl.name}"'
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done
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'' else ''
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# ensure that the library we provide actually exists
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if ! [ -e ${library} ]; then
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echo 'The shared library `${library}` does not exist but was given as subtitute for `${dl.name}`'
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exit 1
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fi
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# make the path to the dependency explicit
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for file in $(grep -lr 'dlopen("${dl.name}"' src); do
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echo "patching dlopen(\"${dl.name}\", …) in $file to ${library}…"
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substituteInPlace "$file" --replace 'dlopen("${dl.name}"' 'dlopen("${library}"'
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done
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'';
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in # patch all the dlopen calls to contain absolute paths to the libraries
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lib.concatMapStringsSep "\n" patchDlOpen dlopenLibs)
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# finally ensure that there are no left-over dlopen calls that we didn't handle
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+ ''
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if grep -qr 'dlopen("[^/]' src; then
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echo "Found unhandled dlopen calls: "
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grep -r 'dlopen("[^/]' src
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exit 1
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fi
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'';
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outputs = [ "out" "man" "dev" ];
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nativeBuildInputs =
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[
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pkgconfig
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gperf
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ninja
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meson
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coreutils # meson calls date, stat etc.
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glibcLocales
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patchelf
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getent
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m4
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intltool
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gettext
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libxslt
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docbook_xsl
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docbook_xml_dtd_42
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docbook_xml_dtd_45
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(buildPackages.python3Packages.python.withPackages (ps: with ps; [ python3Packages.lxml ]))
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];
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buildInputs =
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[
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acl
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audit
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glib
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kmod
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libcap
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libgcrypt
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libidn2
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libuuid
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linuxHeaders
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pam
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]
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++ lib.optional withApparmor libapparmor
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++ lib.optional wantCurl (lib.getDev curl)
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++ lib.optionals withCompression [ bzip2 lz4 xz ]
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++ lib.optional withCryptsetup (lib.getDev cryptsetup.dev)
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++ lib.optional withEfi gnu-efi
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++ lib.optional withKexectools kexectools
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++ lib.optional withLibseccomp libseccomp
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++ lib.optional withNetworkd iptables
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++ lib.optional withPCRE2 pcre2
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++ lib.optional withResolved libgpgerror
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++ lib.optional withSelinux libselinux
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++ lib.optional withRemote libmicrohttpd
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++ lib.optionals withHomed [ p11-kit libfido2 ]
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;
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#dontAddPrefix = true;
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mesonFlags = [
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"-Ddbuspolicydir=${placeholder "out"}/share/dbus-1/system.d"
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"-Ddbussessionservicedir=${placeholder "out"}/share/dbus-1/services"
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"-Ddbussystemservicedir=${placeholder "out"}/share/dbus-1/system-services"
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"-Dpamconfdir=${placeholder "out"}/etc/pam.d"
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"-Drootprefix=${placeholder "out"}"
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"-Dpkgconfiglibdir=${placeholder "dev"}/lib/pkgconfig"
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"-Dpkgconfigdatadir=${placeholder "dev"}/share/pkgconfig"
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"-Dloadkeys-path=${kbd}/bin/loadkeys"
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"-Dsetfont-path=${kbd}/bin/setfont"
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"-Dtty-gid=3" # tty in NixOS has gid 3
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"-Ddebug-shell=${bashInteractive}/bin/bash"
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"-Dglib=${lib.boolToString (glib != null)}"
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# while we do not run tests we should also not build them. Removes about 600 targets
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"-Dtests=false"
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"-Danalyze=${lib.boolToString withAnalyze}"
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"-Dgcrypt=${lib.boolToString (libgcrypt != null)}"
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"-Dimportd=${lib.boolToString withImportd}"
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"-Dlz4=${lib.boolToString withCompression}"
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"-Dhomed=${stdenv.lib.boolToString withHomed}"
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"-Dlogind=${lib.boolToString withLogind}"
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"-Dlocaled=${lib.boolToString withLocaled}"
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"-Dhostnamed=${lib.boolToString withHostnamed}"
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"-Dmachined=${lib.boolToString withMachined}"
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"-Dnetworkd=${lib.boolToString withNetworkd}"
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"-Doomd=${lib.boolToString withOomd}"
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"-Dpolkit=${lib.boolToString withPolkit}"
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"-Dcryptsetup=${lib.boolToString withCryptsetup}"
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"-Dportabled=${lib.boolToString withPortabled}"
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"-Dhwdb=${lib.boolToString withHwdb}"
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"-Dremote=${lib.boolToString withRemote}"
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"-Dsysusers=false"
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"-Dtimedated=${lib.boolToString withTimedated}"
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"-Dtimesyncd=${lib.boolToString withTimesyncd}"
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"-Duserdb=${lib.boolToString withUserDb}"
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"-Dcoredump=${lib.boolToString withCoredump}"
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"-Dfirstboot=false"
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"-Dresolve=${lib.boolToString withResolved}"
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"-Dsplit-usr=false"
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"-Dlibcurl=${lib.boolToString wantCurl}"
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"-Dlibidn=false"
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"-Dlibidn2=true"
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"-Dquotacheck=false"
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"-Dldconfig=false"
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"-Dsmack=true"
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"-Db_pie=true"
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"-Dinstall-sysconfdir=false"
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/*
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As of now, systemd doesn't allow runtime configuration of these values. So
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the settings in /etc/login.defs have no effect on it. Many people think this
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should be supported however, see
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- https://github.com/systemd/systemd/issues/3855
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- https://github.com/systemd/systemd/issues/4850
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- https://github.com/systemd/systemd/issues/9769
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- https://github.com/systemd/systemd/issues/9843
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- https://github.com/systemd/systemd/issues/10184
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*/
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"-Dsystem-uid-max=999"
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"-Dsystem-gid-max=999"
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# "-Dtime-epoch=1"
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"-Dsysvinit-path="
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"-Dsysvrcnd-path="
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"-Dkill-path=${coreutils}/bin/kill"
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"-Dkmod-path=${kmod}/bin/kmod"
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"-Dsulogin-path=${util-linux}/bin/sulogin"
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"-Dmount-path=${util-linux}/bin/mount"
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"-Dumount-path=${util-linux}/bin/umount"
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"-Dcreate-log-dirs=false"
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# Use cgroupsv2. This is already the upstream default, but better be explicit.
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"-Ddefault-hierarchy=unified"
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# Upstream defaulted to disable manpages since they optimize for the much
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# more frequent development builds
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"-Dman=true"
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"-Defi=${lib.boolToString withEfi}"
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"-Dgnu-efi=${lib.boolToString withEfi}"
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] ++ lib.optionals withEfi [
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"-Defi-libdir=${toString gnu-efi}/lib"
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"-Defi-includedir=${toString gnu-efi}/include/efi"
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"-Defi-ldsdir=${toString gnu-efi}/lib"
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] ++ lib.optionals (withShellCompletions == false) [
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"-Dbashcompletiondir=no"
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"-Dzshcompletiondir=no"
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] ++ lib.optionals (!withNss) [
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"-Dnss-myhostname=false"
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"-Dnss-mymachines=false"
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"-Dnss-resolve=false"
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"-Dnss-systemd=false"
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];
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preConfigure = ''
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mesonFlagsArray+=(-Dntp-servers="0.nixos.pool.ntp.org 1.nixos.pool.ntp.org 2.nixos.pool.ntp.org 3.nixos.pool.ntp.org")
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export LC_ALL="en_US.UTF-8";
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# FIXME: patch this in systemd properly (and send upstream).
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# already fixed in f00929ad622c978f8ad83590a15a765b4beecac9: (u)mount
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for i in \
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src/core/mount.c \
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src/core/swap.c \
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src/cryptsetup/cryptsetup-generator.c \
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src/journal/cat.c \
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src/nspawn/nspawn.c \
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src/remount-fs/remount-fs.c \
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src/shared/generator.c \
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src/shutdown/shutdown.c \
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units/emergency.service.in \
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units/rescue.service.in \
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units/systemd-logind.service.in \
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units/systemd-nspawn@.service.in; \
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do
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|
test -e $i
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|
substituteInPlace $i \
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|
--replace /usr/bin/getent ${getent}/bin/getent \
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|
--replace /sbin/mkswap ${lib.getBin util-linux}/sbin/mkswap \
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|
--replace /sbin/swapon ${lib.getBin util-linux}/sbin/swapon \
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--replace /sbin/swapoff ${lib.getBin util-linux}/sbin/swapoff \
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|
--replace /bin/echo ${coreutils}/bin/echo \
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|
--replace /bin/cat ${coreutils}/bin/cat \
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|
--replace /sbin/sulogin ${lib.getBin util-linux}/sbin/sulogin \
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--replace /sbin/modprobe ${lib.getBin kmod}/sbin/modprobe \
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--replace /usr/lib/systemd/systemd-fsck $out/lib/systemd/systemd-fsck \
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--replace /bin/plymouth /run/current-system/sw/bin/plymouth # To avoid dependency
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|
done
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|
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|
for dir in tools src/resolve test src/test src/shared; do
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|
patchShebangs $dir
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|
done
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|
# absolute paths to gpg & tar
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|
substituteInPlace src/import/pull-common.c \
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|
--replace '"gpg"' '"${gnupg}/bin/gpg"'
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|
for file in src/import/{{export,import,pull}-tar,import-common}.c; do
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|
substituteInPlace $file \
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|
--replace '"tar"' '"${gnutar}/bin/tar"'
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|
done
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|
|
substituteInPlace src/journal/catalog.c \
|
|
--replace /usr/lib/systemd/catalog/ $out/lib/systemd/catalog/
|
|
'';
|
|
|
|
# These defines are overridden by CFLAGS and would trigger annoying
|
|
# warning messages
|
|
postConfigure = ''
|
|
substituteInPlace config.h \
|
|
--replace "POLKIT_AGENT_BINARY_PATH" "_POLKIT_AGENT_BINARY_PATH" \
|
|
--replace "SYSTEMD_BINARY_PATH" "_SYSTEMD_BINARY_PATH" \
|
|
--replace "SYSTEMD_CGROUP_AGENT_PATH" "_SYSTEMD_CGROUP_AGENT_PATH"
|
|
'';
|
|
|
|
NIX_CFLAGS_COMPILE = toString [
|
|
# Can't say ${polkit.bin}/bin/pkttyagent here because that would
|
|
# lead to a cyclic dependency.
|
|
"-UPOLKIT_AGENT_BINARY_PATH"
|
|
"-DPOLKIT_AGENT_BINARY_PATH=\"/run/current-system/sw/bin/pkttyagent\""
|
|
|
|
# Set the release_agent on /sys/fs/cgroup/systemd to the
|
|
# currently running systemd (/run/current-system/systemd) so
|
|
# that we don't use an obsolete/garbage-collected release agent.
|
|
"-USYSTEMD_CGROUP_AGENT_PATH"
|
|
"-DSYSTEMD_CGROUP_AGENT_PATH=\"/run/current-system/systemd/lib/systemd/systemd-cgroups-agent\""
|
|
|
|
"-USYSTEMD_BINARY_PATH"
|
|
"-DSYSTEMD_BINARY_PATH=\"/run/current-system/systemd/lib/systemd/systemd\""
|
|
];
|
|
|
|
doCheck = false; # fails a bunch of tests
|
|
|
|
# trigger the test -n "$DESTDIR" || mutate in upstreams build system
|
|
preInstall = ''
|
|
export DESTDIR=/
|
|
'';
|
|
|
|
postInstall = ''
|
|
# sysinit.target: Don't depend on
|
|
# systemd-tmpfiles-setup.service. This interferes with NixOps's
|
|
# send-keys feature (since sshd.service depends indirectly on
|
|
# sysinit.target).
|
|
mv $out/lib/systemd/system/sysinit.target.wants/systemd-tmpfiles-setup-dev.service $out/lib/systemd/system/multi-user.target.wants/
|
|
|
|
mkdir -p $out/example/systemd
|
|
mv $out/lib/{modules-load.d,binfmt.d,sysctl.d,tmpfiles.d} $out/example
|
|
mv $out/lib/systemd/{system,user} $out/example/systemd
|
|
|
|
rm -rf $out/etc/systemd/system
|
|
|
|
# Fix reference to /bin/false in the D-Bus services.
|
|
for i in $out/share/dbus-1/system-services/*.service; do
|
|
substituteInPlace $i --replace /bin/false ${coreutils}/bin/false
|
|
done
|
|
|
|
rm -rf $out/etc/rpm
|
|
|
|
# "kernel-install" shouldn't be used on NixOS.
|
|
find $out -name "*kernel-install*" -exec rm {} \;
|
|
'' + lib.optionalString (!withDocumentation) ''
|
|
rm -rf $out/share/doc
|
|
'';
|
|
|
|
enableParallelBuilding = true;
|
|
|
|
# The interface version prevents NixOS from switching to an
|
|
# incompatible systemd at runtime. (Switching across reboots is
|
|
# fine, of course.) It should be increased whenever systemd changes
|
|
# in a backwards-incompatible way. If the interface version of two
|
|
# systemd builds is the same, then we can switch between them at
|
|
# runtime; otherwise we can't and we need to reboot.
|
|
passthru.interfaceVersion = 2;
|
|
|
|
meta = with lib; {
|
|
homepage = "https://www.freedesktop.org/wiki/Software/systemd/";
|
|
description = "A system and service manager for Linux";
|
|
license = licenses.lgpl21Plus;
|
|
platforms = platforms.linux;
|
|
priority = 10;
|
|
maintainers = with maintainers; [ andir eelco flokli kloenk ];
|
|
};
|
|
}
|