On Mon, Feb 3, 2020 at 3:50 PM Felipe Sateler <fsate...@debian.org> wrote:
> > > On Sun, Feb 2, 2020, 17:04 Zbigniew Jędrzejewski-Szmek <zbys...@in.waw.pl> > wrote: > >> On Thu, Jan 30, 2020 at 11:51:48PM -0300, Felipe Sateler wrote: >> > On Thu, Jan 30, 2020 at 6:40 PM Michael Biebl <bi...@debian.org> wrote: >> > >> > > Hi Felipe >> > > >> > > Am 30.01.20 um 22:30 schrieb Felipe Sateler: >> > > > >> > > > >> > > > On Thu, Jan 30, 2020 at 1:39 PM Michael Biebl <bi...@debian.org >> > > > <mailto:bi...@debian.org>> wrote: >> > > > >> > > > Am 28.01.20 um 17:27 schrieb Ansgar: >> > > > > On Tue, 2020-01-28 at 16:51 +0100, Michael Biebl wrote: >> > > > >> Am 28.01.20 um 14:59 schrieb Ansgar: >> > > > >>> I tried linking systemd-{sysusers,tmpfiles} statically >> against >> > > > >>> systemd's private library earlier this month. It increases >> the >> > > > >>> binaries size by ~100 kB (compared to Installed-Size: 14.2 >> MB of >> > > > >>> systemd that is just one percent). >> > > > >> >> > > > >> Is that 100K per binary? >> > > > > >> > > > > I checked my notes at it was 100 kB per binary: they are 212 >> kB >> > > larger >> > > > > (sysusers 51 kB → 137 kB, tmpfiles 84 kB → 212 kB); I tested >> with >> > > > > systemd 243-8. >> > > > > >> > > > > It might be possible to make it a bit smaller if one was to >> somehow >> > > > > link libsystemd0 for functions available there >> (libsystemd-shared >> > > > > currently duplicates those). >> > > > >> > > > >> > > > That is not possible. There is global state that is not to be >> shared. >> > > > See >> https://github.com/systemd/systemd/pull/3516#issuecomment-227482524 >> > > >> > > What's your thought on how to solve this libsystemd-shared issue >> should >> > > we consider splitting out systemd-{sysusers,tmpfiles} >> > > >> > > - link statically (and carry a downstream patch for eternity) >> > > - move libsystemd-shared to systemd-utils and risk the breakage that >> can >> > > result from a partial/aborted upgrade >> > > - copy, instead of move, the binaries + libsystemd-shared and make the >> > > resulting systemd-utils package Conflict with systemd (instead of >> having >> > > systemd depend on systemd-utils) >> > > - something else? >> > > >> > >> > I tried linking statically the "can run without systemd-pid1 tools" with >> > the attached patch. >> > >> > Disk usage appears to increase by about 400 kb: >> > % dpkg --info systemd_244.1-1_amd64.deb|grep Installed >> > >> > Installed-Size: 13908 >> > % dpkg --info ../systemd_244-3_amd64.deb|grep Installed >> > Installed-Size: 14319 >> > >> > Maybe upstream can be persuaded to merge something like this? >> > >> > -- >> > >> > Saludos, >> > Felipe Sateler >> >> > diff --git a/meson.build b/meson.build >> > index b8dff8cd94..39cef6b301 100644 >> > --- a/meson.build >> > +++ b/meson.build >> > @@ -1493,6 +1493,29 @@ make_autosuspend_rules_py = >> find_program('tools/make-autosuspend-rules.py') >> > >> > ############################################################ >> > >> > + >> > +libutil = static_library( >> > + 'util', >> > + [ >> > + 'src/shared/acl-util.c', >> > + 'src/shared/enable-mempool.c', >> > + 'src/shared/id128-print.c', >> > + 'src/shared/pager.c', >> > + 'src/shared/path-lookup.c', >> > + 'src/shared/pretty-print.c', >> > + 'src/shared/spawn-ask-password-agent.c', >> > + 'src/shared/spawn-polkit-agent.c', >> > + 'src/shared/specifier.c', >> > + 'src/shared/sysctl-util.c', >> > + 'src/shared/sysctl-util.h', >> > + 'src/shared/tmpfile-util-label.c', >> > + 'src/shared/uid-range.c', >> > + 'src/shared/verbs.c', >> > + ] + id128_sources, >> > + link_with: [libbasic, libsystemd_static], >> > + include_directories: includes >> > +) >> >> Is creating a separate static library actually necessary? What would >> the results be if those binaries were linked to the static version of >> libshared that we already provide support for? I hope the compiler >> would be able to drop any unused objects and achieve the same size, >> without having to maintain yet another list of files. >> > > I'd have to recheck, but that was my first idea and didn't pan out (at > least with the flags we use for the debian package). > It appears I messed up earlier. Indeed using libshared_static (plus libbasic and libsystemd_static) does the job as well. -- Saludos, Felipe Sateler