cmake: add build translations option

CMakeLists.txt

@@ -410,6 +410,7 @@ endif()
 set_property(GLOBAL PROPERTY USE_FOLDERS ON)
 enable_testing()
 
+option(BUILD_TRANSLATIONS "Build translations using lrelease (Qt)" OFF)
 option(BUILD_DOCUMENTATION "Build the Doxygen documentation." ON)
 option(BUILD_TESTS "Build tests." OFF)
 if (CMAKE_BUILD_TYPE STREQUAL "Debug")
@@ -632,8 +633,9 @@ function (monero_add_library_with_deps)
     PRIVATE $<TARGET_PROPERTY:${MONERO_ADD_LIBRARY_NAME},INTERFACE_COMPILE_DEFINITIONS>)
 endfunction ()
 
+if(BUILD_TRANSLATIONS)
 # Generate header for embedded translations
-# Generate header for embedded translations, use target toolchain if depends, otherwise use the
+# use target toolchain if depends, otherwise use the
 # lrelease and lupdate binaries from the host
 include(ExternalProject)
 ExternalProject_Add(generate_translations_header
@@ -643,6 +645,8 @@ ExternalProject_Add(generate_translations_header
   CMAKE_ARGS -DLRELEASE_PATH=${LRELEASE_PATH}
   INSTALL_COMMAND ${CMAKE_COMMAND} -E echo "")
 include_directories("${CMAKE_CURRENT_BINARY_DIR}/translations")
+endif()
+
 add_subdirectory(external)
 
 # Final setup for libunbound

src/common/CMakeLists.txt

@@ -61,8 +61,12 @@ monero_private_headers(common
 monero_add_library(common
   ${common_sources}
   ${common_headers}
-  ${common_private_headers}
-  DEPENDS generate_translations_header)
+  ${common_private_headers})
+
+if(BUILD_TRANSLATIONS)
+  add_dependencies(obj_common generate_translations_header)
+endif()
+
 target_link_libraries(common
   PUBLIC
     cncrypto

src/common/i18n.cpp

@@ -33,7 +33,14 @@
 #include <map>
 #include "file_io_utils.h"
 #include "common/i18n.h"
+
+#if __has_include("translation_files.h")
 #include "translation_files.h"
+#else
+static bool find_embedded_file(const std::string &name, std::string &data) {
+  return false;
+}
+#endif
 
 #include <boost/system/error_code.hpp>
 #include <boost/filesystem.hpp>