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). > > # binaries that have --help and are intended for use by humans, > > # usually, but not always, installed in /bin. > > public_programs = [] > > @@ -1537,6 +1560,7 @@ test_dlopen = executable( > > include_directories : includes, > > link_with : [libbasic], > > dependencies : [libdl], > > + b_lto: false, > > build_by_default : want_tests != 'false') > > > > foreach tuple : [['myhostname', 'ENABLE_NSS_MYHOSTNAME'], > > @@ -2407,7 +2431,7 @@ install_data('src/sleep/sleep.conf', > > exe = executable('systemd-sysctl', > > 'src/sysctl/sysctl.c', > > include_directories : includes, > > - link_with : [libshared], > > + link_with : [libutil], > > To upstream this, the change in behaviour must be configuration-time > selectable. > Right. And the unrelated b_lto change above removed too ;) Saludos
