cmake: Add option to always download time zone data

CMakeLists.txt

@@ -59,6 +59,8 @@ option(YUZU_CHECK_SUBMODULES "Check if submodules are present" ON)
 
 option(YUZU_ENABLE_LTO "Enable link-time optimization" OFF)
 
+option(YUZU_DOWNLOAD_TIME_ZONE_DATA "Always download time zone binaries" OFF)
+
 CMAKE_DEPENDENT_OPTION(YUZU_USE_FASTER_LD "Check if a faster linker is available" ON "NOT WIN32" OFF)
 
 # On Android, fetch and compile libcxx before doing anything else

externals/nx_tzdb/CMakeLists.txt

@@ -24,11 +24,12 @@ if ("${GNU_DATE}" STREQUAL "GNU_DATE-NOTFOUND")
     set(CAN_BUILD_NX_TZDB false)
 endif()
 
-if (NOT ${CAN_BUILD_NX_TZDB} AND NOT EXISTS ${NX_TZDB_ARCHIVE})
+set(NX_TZDB_VERSION "220816")
-    set(NX_TZDB_VERSION "220816")
+set(NX_TZDB_ARCHIVE "${CMAKE_CURRENT_BINARY_DIR}/${NX_TZDB_VERSION}.zip")
+
+if ((NOT ${CAN_BUILD_NX_TZDB} OR ${YUZU_DOWNLOAD_TIME_ZONE_DATA}) AND NOT EXISTS ${NX_TZDB_ARCHIVE})
     set(NX_TZDB_DOWNLOAD_URL "https://github.com/lat9nq/tzdb_to_nx/releases/download/${NX_TZDB_VERSION}/${NX_TZDB_VERSION}.zip")
 
-    set(NX_TZDB_ARCHIVE "${CMAKE_CURRENT_BINARY_DIR}/${NX_TZDB_VERSION}.zip")
     set(NX_TZDB_DIR "${CMAKE_CURRENT_BINARY_DIR}/nx_tzdb" CACHE PATH "Path to Switch-style time zone data")
 
     file(DOWNLOAD ${NX_TZDB_DOWNLOAD_URL} ${NX_TZDB_ARCHIVE})