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2016-08-10CMake: Add unit testsJulian Andres Klode
Add support for our GTest based unit tests. By default, CMake will look in /usr/src/gtest for the external GTest project, but this can be overriden by defining GTEST_ROOT when invoking cmake. Gbp-Dch: ignore
2016-08-10CMake: Translations: Build apt-all.pot and update .po filesJulian Andres Klode
Merge all the per-domain templates into one template file using msgcomm, stripping any line numbers in the input files, and sorting the output per file. This should create reasonably stable .pot and .po files that do not change just because files move around. It should also be resilient against some line changes, as long as one translated line is not moved before/after another translated line. Gbp-Dch: ignore
2016-08-10CMake: Translations: Add support for shell scriptsJulian Andres Klode
Rework the arguments to apt_add_translation_domain so a user can specify TARGETS and SCRIPTS, the latter being Shell scripts. For each language (TARGETS being C++, SCRIPTS being Shell), a separate template is generated via xgettext. Those templates are then merged together by using msgcomm. In case there are no Shell scripts in the translation domain, msgcomm will receive /dev/null instead of a shell translation template. This also reintroduces line numbers, as msgcomm would otherwise re-order the merged files not only by filename, but also by message string. It's unclear why it does that, it could just leave strings within a file alone. In contrast to the old build system, we use xgettext for shell scripts instead of bash --dump-strings, as it's just easier to use the same tool for everything. We also create valid headers.
2016-08-06CMake: Add initial support for documentation buildingJulian Andres Klode
Build HTML docbook guides (untranslated) and manual pages (including translations). Also install the examples in the example subdirectory. Translation of docbook guides has not been implemented yet, but should be easy to do. The code also needs some cleanup to automatically detect the available translations.
2016-08-06CMake: Add support for building and installing .mo filesJulian Andres Klode
Introduce support for building translation domain-specific templates, merging them with the translations, and building a language-specific .mo file. The invocation of xgettext is done in the project source directory, not in the current source directory, and all paths are made relative to the project root, in order to have clean templates. This only supports the C++ source code for now, it unfortunately does not handle the shell scripts of deselect yet.
2016-08-06CMake: Add basic CMake build systemJulian Andres Klode
Introduce an initial CMake buildsystem. This build system can build a fully working apt system without translation or documentation. The FindBerkelyDB module is from kdelibs, with some small adjustements to also look in db5 directories. Initial work on this CMake build system started in 2009, and was resumed in August 2016.