build-sys: use itstool instead of intltool

[jsynacek]

No description provided.

[keszybz]

I didn't check it it works..., but those new Make rules look a bit iffy:

• silent compilation should be done properly with AM_V_*, see e.g. AM_V_M4 for an example
• patsubst is overkill, $(_po_files:.po=.mo) should be enough

[filbranden]

I'll try to review this commit tomorrow... Thanks!

[mbiebl]

With intltool we had a po/Makefile, where you could run "make -C po update-po", which created a systemd.pot and updated the existing .po files. Shouldn't we add similar functionality when using itstool?

[zonque]

itstool is now in the list of packages Semaphore will install, so the build shouldn't fail due to that anymore.

[jsynacek]

With intltool we had a po/Makefile, where you could run "make -C po update-po", which created a >systemd.pot and updated the existing .po files. Shouldn't we add similar functionality when using >itstool?

Yep. I totally forgot about that part. Also, without that Makefile, translations are not installed on make install.

[jsynacek]

I ran into a pretty big issue...

The proper way to create the po/Makefile{,.in,.in.in} files is to run gettextize in a similar fashion as the intltoolize script was run. However, for some reason, gettextize is interactive and requires the caller to press Return everytime it's run. And it reads /dev/tty directly, so it can't be used from non-interactive tools. This basically means that we would have to bundle at least Makefile.in.in and probably some m4 scripts.

Any ideas?

[poettering]

@jsynacek a bit of googling reveals this:

https://lists.gnu.org/archive/html/bug-gettext/2011-12/msg00001.html

maybe "autopoint" is the tool to use here?

[jsynacek]

v2: #1576