1# Copyright (C) 1996-2022 Free Software Foundation, Inc.
2# This file is part of the GNU C Library.
3
4# The GNU C Library is free software; you can redistribute it and/or
5# modify it under the terms of the GNU Lesser General Public
6# License as published by the Free Software Foundation; either
7# version 2.1 of the License, or (at your option) any later version.
8
9# The GNU C Library is distributed in the hope that it will be useful,
10# but WITHOUT ANY WARRANTY; without even the implied warranty of
11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12# Lesser General Public License for more details.
13
14# You should have received a copy of the GNU Lesser General Public
15# License along with the GNU C Library; if not, see
16# <https://www.gnu.org/licenses/>.
17
18# Makefile for installing libc message catalogs.
19
20subdir := po
21
22include ../Makeconfig
23
24# Add names of the languages with broken .po files here.
25BROKEN_LINGUAS =
26
27# List of languages for which we have message catalogs of translations.
28ALL_LINGUAS := $(filter-out $(BROKEN_LINGUAS),$(basename $(wildcard *.po)))
29
30# You can override this in configparms or the make command line to limit
31# the languages which get installed.
32ifdef LINGUAS
33LINGUAS := $(filter $(addsuffix %,$(LINGUAS)),$(ALL_LINGUAS))
34else
35LINGUAS = $(ALL_LINGUAS)
36endif
37
38# Text domain name to install under; must match ../locale/SYS_libc.c string.
39domainname = libc
40
41# Pattern for where message catalog object for language % gets installed.
42mo-installed = $(inst_localedir)/%/LC_MESSAGES/$(domainname).mo
43
44# Files to install: a $(domainname).mo file for each language.
45install-others = $(LINGUAS:%=$(mo-installed))
46
47generated += $(ALL_LINGUAS:%=%.mo)
48
49
50include ../Rules
51
52# Generate the translation template from all the source files.
53libc.pot: pot.header libc.pot.files
54	@rm -f $@.new
55	set `date -R`; disp="$$6"; \
56	sed -e 's/VERSION/$(version)/' \
57	    -e "s/DATE/`date +'%Y-%m-%d %H:%M'$$disp`/" \
58	    -e "s/CHARSET/UTF-8/" \
59	    $< > $@.new
60	grep -E -v '\.ksh$$' $(word 2,$^) > $(objdir)/tmp-libc.pot-files
61	cd ..; $(XGETTEXT) --keyword=_ --keyword=N_ \
62			   --add-comments=TRANS --flag=error:3:c-format \
63			   --flag=f_print:2:c-format \
64			   --sort-by-file --omit-header -E -n -d - \
65			   -f $(objdir)/tmp-libc.pot-files >> po/$@.new
66	grep -E '\.ksh$$' $(word 2,$^) > $(objdir)/tmp-libc.pot-files
67	cd ..; $(XGETTEXT) --add-comments=TRANS --language=Shell \
68			   --sort-by-file --omit-header -E -n -o po/$@.new -j \
69			   -f $(objdir)/tmp-libc.pot-files po/$@.new
70	rm $(objdir)/tmp-libc.pot-files
71	mv -f $@.new $@
72
73po-sed-cmd = \
74  '/\/tst-/d;$(foreach S,[ch] cxx sh ksh bash,$(subst .,\.,/.$S\(.in\)*$$/p;))'
75
76# Omit tst-* files, and get only files with the given suffixes.
77libc.pot.files: FORCE
78	$(..)scripts/list-sources.sh .. | sed -n $(po-sed-cmd) > $@.new
79	mv -f $@.new $@
80
81.SUFFIXES: .mo .po .pot
82
83# Compile the binary message object files from the portable object source
84# files of translations for each language.
85$(objpfx)%.mo: %.po
86	$(make-target-directory)
87	$(MSGFMT) -o $@ $<
88
89# Install the message object files as libc.po in the language directory.
90$(mo-installed): $(objpfx)%.mo $(+force); $(do-install) || exit 0
91
92# Update translations from the translation project.
93TRANSLATIONS_URL = https://translationproject.org/latest/libc
94WGET = wget
95
96update-translations:
97	$(WGET) -qO- $(TRANSLATIONS_URL) | sed -n 's|.*href="\([^"]\+po\)".*|\1|p' | \
98	  while read f; do \
99	    $(WGET) -O $(objdir)/$$f-tmp2 $(TRANSLATIONS_URL)/$$f && \
100	    msgmerge --previous --no-wrap $(objdir)/$$f-tmp2 libc.pot > \
101	      $(objdir)/$$f-tmp && \
102	    msgattrib --translated --no-fuzzy --no-obsolete --no-wrap \
103	      $(objdir)/$$f-tmp > $(objdir)/$$f-tmp0 && \
104	    mv -f $(objdir)/$$f-tmp0 $$f; \
105	  done
106