cmake: implement translations support

CMakeLists.txt

@@ -441,6 +441,9 @@ if (HIDAPI_FOUND OR LibUSB_COMPILE_TEST_PASSED)
   endif()
 endif()
 
+add_subdirectory(translations)
+get_directory_property(TRANSLATIONS_QRC DIRECTORY translations DEFINITION TRANSLATIONS_QRC)
+
 add_subdirectory(src)
 
 # Required to make wallet_merged build before the gui

src/CMakeLists.txt

@@ -6,7 +6,7 @@ add_subdirectory(model)
 add_subdirectory(openpgp)
 add_subdirectory(zxcvbn-c)
 
-qt5_add_resources(RESOURCES ../qml.qrc)
+qt5_add_resources(RESOURCES ../qml.qrc ${TRANSLATIONS_QRC})
 
 # Compile source files (.h/.cpp)
 file(GLOB SOURCE_FILES

translations/CMakeLists.txt

@@ -1 +1,23 @@
-qt5_add_resources(RESOURCE_FILES *.ts)
+file(GLOB TS_FILES *.ts)
+
+set(QRC "<RCC><qresource prefix=\"/\">")
+foreach(TS_FILE ${TS_FILES})
+  get_filename_component(QM_FILE ${TS_FILE} NAME_WE)
+  set(QM_FILE ${CMAKE_CURRENT_BINARY_DIR}/${QM_FILE}.qm)
+
+  execute_process(COMMAND lrelease -compress -nounfinished -removeidentical ${TS_FILE} -qm ${QM_FILE}
+    RESULT_VARIABLE RET
+    OUTPUT_VARIABLE OUT
+    ERROR_VARIABLE ERR
+  )
+  if(RET)
+    message(FATAL_ERROR "${TS_FILE}: lrelease returned non-zero exit code: ${RET} ${OUT} ${ERR}")
+  endif()
+
+  get_filename_component(QM_FILE_NAME ${QM_FILE} NAME)
+  string(APPEND QRC "<file>${QM_FILE_NAME}</file>")
+endforeach()
+string(APPEND QRC "</qresource></RCC>")
+
+set(TRANSLATIONS_QRC ${CMAKE_CURRENT_BINARY_DIR}/translations.qrc)
+file(WRITE ${TRANSLATIONS_QRC} ${QRC})