How: Automatic Embedding of .qm Files in Software with Meson, Similar to CMake

[achieve-dream1221]

Currently, Meson can compile .ts files, but it lacks the ability to automatically generate .ts files and subsequently generate a .qm file's corresponding .qrc file, which is necessary for embedding translations into the software. In comparison, CMake can automate this process。

By default, the generated .qm files are embedded in a Qt resource that will be linked into the targets passed with TARGETS. The files in the resource are accessible under the resource prefix "/i18n".

# CMake version
set(I18N i18n/zh-CN.ts)
qt_add_translations(HelloWidget TS_FILES ${I18N})

https://mesonbuild.com/Qt6-module.html#compile_translations

# meson version
ts = files(
    'i18n/zh-CN.ts'
)
ts_files = qt6.compile_translations(ts_files : ts, build_by_default : true)
#ts_files = qt6.compile_translations(qresource : 'lang.qrc') # This requires manually writing the lang.qrc file, and qresource and ts_files cannot coexist, which is not the solution I want. if I modify zh-CN.ts, it cannot recompile zh-CN.ts to zh-CN.pm

//main.cpp
// I don't want to modify this
if (translator.load(":/i18n/zh-CN.qm")) {
        QApplication::installTranslator(&translator);
    }

[achieve-dream1221]

ts_files = qt6.compile_translations(qresource : 'lang.qrc')

<RCC>
    <qresource prefix="">
        <file>i18n/zh-CN.qm</file>
    </qresource>
</RCC>