Add an SConscript file for the po/ directory.

3 files changed, 105 insertions, 0 deletions

diff --git a/SConstruct b/SConstruct
index 928278c2..b409d234 100644
--- a/SConstruct
+++ b/SConstruct
@@ -102,6 +102,10 @@ for variant_env in envs.programs.AllVariantEnvs():
         Exit(1)
     Default(aptitude)
 
+# De-setify the list of sources.
+all_aptitude_srcs = list(all_aptitude_srcs)
+Export('all_aptitude_srcs')
+
 # NB: I know because of how the variant directories are set up that we
 # always have the same number of entries in the two lists.
 for cppunit_tests_env, boost_tests_env in zip(envs.cppunit_tests.AllVariantEnvs(), envs.boost_tests.AllVariantEnvs()):
@@ -122,6 +126,13 @@ Alias('docs', 'doc-html')
 Alias('docs', 'doc-text')
 Alias('docs', 'doc-man')
 
+###### Build the gettext translation files ######
+po_env = envs.base
+Export('po_env')
+# No variant_dir because the pofile workflow requires the outputs to
+# be in the source directory and in distributed archives.
+SConscript(['po/SConscript'])
+
 
 # Don't generate the "dist" stuff unless it's been explicitly
 # requested.  This allows "dist" to build all targets with '.'
@@ -131,3 +142,7 @@ if 'dist' in COMMAND_LINE_TARGETS:
                                      scons_args = [ '--variants=all', '.',
                                                     '-j', GetOption('num_jobs') ])
     Alias('dist', archives)
+
+    # Rebuild the pofiles *before* attempting to build the
+    # distribution archive.
+    po_env.Depends('dist', 'update-po')
diff --git a/po/SConscript b/po/SConscript
new file mode 100644
index 00000000..51702b76
--- /dev/null
+++ b/po/SConscript
@@ -0,0 +1,87 @@
+# Copyright (C) 2010 Daniel Burrows
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; see the file COPYING.  If not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
+
+Import('all_aptitude_srcs', 'po_env')
+
+pofile_languages = [
+    'ar',
+    'ast',
+    'bs',
+    'ca',
+    'cs',
+    'da',
+    'de',
+    'dz',
+    'el',
+    'es',
+    'eu',
+    'fi',
+    'fr',
+    'gl',
+    'hu',
+    'it',
+    'ja',
+    'km',
+    'ku',
+    'lt',
+    'mr',
+    'nb',
+    'ne',
+    'nl',
+    'nn',
+    'pl',
+    'pt',
+    'pt_BR',
+    'ro',
+    'ru',
+    'sk',
+    'sv',
+    'th',
+    'tl',
+    'tr',
+    'uk',
+    'vi',
+    'zh_CN',
+    'zh_TW',
+    ]
+
+def BuildPoFile(env, lang, potfile = 'aptitude.pot'):
+    '''Build the po file for the given language, compile it to a mo
+file, and install the compiled form.  Also distribute *both* the po
+file and the mo file.'''
+    po_file = env.Msgmerge(lang, potfile)
+    # TODO: the Precious() call should be in the pofile builder, if
+    # that's even possible?
+    env.Precious(po_file)
+    mo_file = env.Msgfmt(po_file)
+    po_env.Dist(po_file, mo_file)
+    env.Install('$LOCALEDIR/$LANG/LC_MESSAGES', LANG = lang)
+    env.Alias('update-po', mo_file)
+    return mo_file
+
+aptitude_pot = po_env.Xgettext('aptitude.pot', all_aptitude_srcs)
+po_env.Dist(aptitude_pot)
+
+# I seriously considered making aptitude.pot a default target, but
+# that would pollute the version control history with a bunch of
+# relatively meaningless changes.  Better to only build it on request.
+po_env.Alias('update-po', aptitude_pot)
+
+
+# Rules relating to keeping the translations up-to-date.
+for lang in pofile_languages:
+    BuildPoFile(po_env, lang, aptitude_pot)
diff --git a/site_scons/aptitude_configure.py b/site_scons/aptitude_configure.py
index d28150e2..5d633818 100644
--- a/site_scons/aptitude_configure.py
+++ b/site_scons/aptitude_configure.py
@@ -175,11 +175,14 @@ Returns an object with the following fields:
     base.Tool('docbook')
     base.Tool('docbook-xsl-import-scanner')
     base.Tool('html2text')
+    base.Tool('msgfmt')
+    base.Tool('msgmerge')
     base.Tool('pkg_config')
     base.Tool('po4a')
     base.Tool('rsvg')
     base.Tool('test')
     base.Tool('variant_builds')
+    base.Tool('xgettext')
     base.Tool('xml-external-entity-scanner')
 
     def DisableVariants(env):