diff --git a/pkgs/os-specific/linux/systemd/default.nix b/pkgs/os-specific/linux/systemd/default.nix index a94490d594b..8aa518ed1d0 100644 --- a/pkgs/os-specific/linux/systemd/default.nix +++ b/pkgs/os-specific/linux/systemd/default.nix @@ -9,6 +9,7 @@ , patchelf , getent , buildPackages +, perl , withSelinux ? false, libselinux , withLibseccomp ? lib.any (lib.meta.platformMatch stdenv.hostPlatform) libseccomp.meta.platforms, libseccomp , withKexectools ? lib.any (lib.meta.platformMatch stdenv.hostPlatform) kexectools.meta.platforms, kexectools @@ -35,6 +36,7 @@ stdenv.mkDerivation rec { coreutils # meson calls date, stat etc. glibcLocales patchelf getent m4 + perl # to patch the libsystemd.so and remove dependencies on aarch64 (buildPackages.python3Packages.python.withPackages ( ps: with ps; [ python3Packages.lxml ])) ]; @@ -181,6 +183,30 @@ stdenv.mkDerivation rec { enableParallelBuilding = true; + # On aarch64 we "leak" a reference to $out/lib/systemd/catalog in the lib + # output. The result of that is a dependency cycle between $out and $lib. + # Thus nix (rightfully) marks the build as failed. That reference originates + # from an array of strings (catalog_file_dirs) in systemd + # (src/src/journal/catalog.{c,h}). The only consumer (as of v242) of the + # symbol is the main function of journalctl. Still libsystemd.so contains + # the VALUE but not the symbol. Systemd seems to be properly using function + # & data sections together with the linker flags to garbage collect unused + # sections (-Wl,--gc-sections). For unknown reasons those flags do not + # eliminate the unused string constants, in this case on aarch64-linux. The + # hacky way is to just remove the reference after we finished compiling. + # Since it can not be used (there is no symbol to actually refer to it) there + # should not be any harm. It is a bit odd and I really do not like starting + # these kind of hacks but there doesn't seem to be a straight forward way at + # this point in time. + # The reference will be replaced by the same reference the usual nukeRefs + # tooling uses. The standard tooling can not / should not be uesd since it + # is a bit too excessive and could potentially do us some (more) harm. + postFixup = '' + nukedRef=$(echo $out | sed -e "s,$NIX_STORE/[^-]*-\(.*\),$NIX_STORE/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-\1,") + cat $lib/lib/libsystemd.so | perl -pe "s|$out/lib/systemd/catalog|$nukedRef/lib/systemd/catalog|" > $lib/lib/libsystemd.so.tmp + mv $lib/lib/libsystemd.so.tmp $(readlink -f $lib/lib/libsystemd.so) + ''; + # 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