1 files changed, 53 insertions, 0 deletions
diff --git a/CMake/Translations.cmake b/CMake/Translations.cmake
new file mode 100644
index 000000000..2a1e03d4c
--- /dev/null
+++ b/CMake/Translations.cmake
@@ -0,0 +1,53 @@
+# translations.cmake - Translations using APT's translation system.
+# Copyright (C) 2009, 2016 Julian Andres Klode <jak@debian.org>
+
+function(apt_add_translation_domain domain)
+    set(targets ${ARGN})
+    # Build the list of source files of the target
+    set(files "")
+    foreach(target ${targets})
+        get_target_property(source_dir ${target} SOURCE_DIR)
+        get_target_property(sources ${target} SOURCES)
+        foreach(source ${sources})
+            string(SUBSTRING ${source} 0 1 init_char)
+            string(COMPARE EQUAL ${init_char} "/" is_absolute)
+            if (${is_absolute})
+                set(file "${source}")
+            else()
+                set(file "${source_dir}/${source}")
+            endif()
+            file(RELATIVE_PATH relfile ${PROJECT_SOURCE_DIR} ${file})
+            set(files ${files} ${relfile})
+        endforeach()
+
+        target_compile_definitions(${target} PRIVATE -DAPT_DOMAIN="${domain}")
+    endforeach()
+
+    # Create the template for this specific sub-domain
+    add_custom_command (OUTPUT ${PROJECT_BINARY_DIR}/${domain}.pot
+        COMMAND xgettext --add-comments --foreign -k_ -kN_
+                         -o ${PROJECT_BINARY_DIR}/${domain}.pot ${files}
+        WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+    )
+
+    # Build .mo files
+    file(GLOB translations "${PROJECT_SOURCE_DIR}/po/*.po")
+    list(SORT translations)
+    foreach(file ${translations})
+        get_filename_component(langcode ${file} NAME_WE)
+        set(outdir ${PROJECT_BINARY_DIR}/locale/${langcode}/LC_MESSAGES)
+        file(MAKE_DIRECTORY ${outdir})
+        # Command to merge and compile the messages
+        add_custom_command(OUTPUT ${outdir}/${domain}.mo
+            COMMAND msgmerge -qo - ${file} ${PROJECT_BINARY_DIR}/${domain}.pot |
+                    msgfmt -o ${outdir}/${domain}.mo -
+            DEPENDS ${file} ${PROJECT_BINARY_DIR}/${domain}.pot
+        )
+
+        set(mofiles ${mofiles} ${outdir}/${domain}.mo)
+        install(FILES ${outdir}/${domain}.mo
+                DESTINATION "${CMAKE_INSTALL_LOCALEDIR}/${langcode}/LC_MESSAGES")
+    endforeach(file ${translations})
+
+    add_custom_target(nls-${domain} ALL DEPENDS ${mofiles})
+endfunction()