According to the linguistic counsel

for FILE in *.po; do ./regen.sh $FILE; done
for FILE in *.po; do msgattrib --clear-fuzzy --empty --no-obsolete $FILE -o $FILE; done
./regen.sh
ls | sed -n 's/\.po$//p' > LINGUAS
mv locations.pot libmateweather.pot
for i in `cat LINGUAS`; do intltool-update --dist $i; done
for i in `cat LINGUAS`; do \
posieve set-header -sfield:"Language:$i" \
       	       	   -srmtitle -stitle:"Libraries to allow MATE Desktop to display weather information" \
       	       	   -sfield:"Project-Id-Version:MATE Desktop Environment" \
                   -srmcomment -srmcopyright -scopyright:"Copyright (C) "`date +"%Y"`" The MATE Team" \
                   -srmlicense -slicense:"This file is distributed under the same license as the libmateweather package." -sreorder $i.po; \
done

test

for FILE in *.po; do LANG=C msgfmt --check $FILE; done
posieve stats -s byfile ./