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# SPDX-FileCopyrightText: 2023 yuzu Emulator Project
# SPDX-License-Identifier: GPL-2.0-or-later
set(NX_TZDB_INCLUDE_DIR "${CMAKE_CURRENT_BINARY_DIR}/include")
add_library(nx_tzdb INTERFACE)
find_program(GIT git)
find_program(GNU_MAKE make)
find_program(DATE_PROG date)
set(CAN_BUILD_NX_TZDB true)
if (NOT GIT)
set(CAN_BUILD_NX_TZDB false)
endif()
if (NOT GNU_MAKE)
set(CAN_BUILD_NX_TZDB false)
endif()
if (NOT DATE_PROG)
set(CAN_BUILD_NX_TZDB false)
endif()
if (CMAKE_SYSTEM_NAME STREQUAL "Windows" OR ANDROID)
# tzdb_to_nx currently requires a posix-compliant host
# MinGW and Android are handled here due to the executable format being different from the host system
# TODO (lat9nq): cross-compiling support
set(CAN_BUILD_NX_TZDB false)
endif()
set(NX_TZDB_VERSION "220816")
set(NX_TZDB_ARCHIVE "${CMAKE_CURRENT_BINARY_DIR}/${NX_TZDB_VERSION}.zip")
set(NX_TZDB_ROMFS_DIR "${CMAKE_CURRENT_BINARY_DIR}/nx_tzdb")
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")
message(STATUS "Downloading time zone data from ${NX_TZDB_DOWNLOAD_URL}...")
file(DOWNLOAD ${NX_TZDB_DOWNLOAD_URL} ${NX_TZDB_ARCHIVE}
STATUS NX_TZDB_DOWNLOAD_STATUS)
list(GET NX_TZDB_DOWNLOAD_STATUS 0 NX_TZDB_DOWNLOAD_STATUS_CODE)
if (NOT NX_TZDB_DOWNLOAD_STATUS_CODE EQUAL 0)
message(FATAL_ERROR "Time zone data download failed (status code ${NX_TZDB_DOWNLOAD_STATUS_CODE})")
endif()
file(ARCHIVE_EXTRACT
INPUT
${NX_TZDB_ARCHIVE}
DESTINATION
${NX_TZDB_ROMFS_DIR})
elseif (CAN_BUILD_NX_TZDB AND NOT YUZU_DOWNLOAD_TIME_ZONE_DATA)
add_subdirectory(tzdb_to_nx)
add_dependencies(nx_tzdb x80e)
set(NX_TZDB_ROMFS_DIR "${NX_TZDB_DIR}")
endif()
target_include_directories(nx_tzdb
INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}/include
INTERFACE ${NX_TZDB_INCLUDE_DIR})
function(CreateHeader ZONE_PATH HEADER_NAME)
set(HEADER_PATH "${NX_TZDB_INCLUDE_DIR}/nx_tzdb/${HEADER_NAME}.h")
add_custom_command(
OUTPUT
${NX_TZDB_INCLUDE_DIR}/nx_tzdb/${HEADER_NAME}.h
COMMAND
${CMAKE_COMMAND} -P ${CMAKE_CURRENT_SOURCE_DIR}/NxTzdbCreateHeader.cmake
${ZONE_PATH}
${HEADER_NAME}
${NX_TZDB_INCLUDE_DIR}
${CMAKE_CURRENT_SOURCE_DIR}
DEPENDS
tzdb_template.h.in
NxTzdbCreateHeader.cmake)
target_sources(nx_tzdb PRIVATE ${HEADER_PATH})
endfunction()
CreateHeader(${NX_TZDB_ROMFS_DIR} base)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo zoneinfo)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Africa africa)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/America america)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/America/Argentina america_argentina)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/America/Indiana america_indiana)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/America/Kentucky america_kentucky)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/America/North_Dakota america_north_dakota)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Antarctica antarctica)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Arctic arctic)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Asia asia)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Atlantic atlantic)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Australia australia)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Brazil brazil)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Canada canada)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Chile chile)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Etc etc)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Europe europe)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Indian indian)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Mexico mexico)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/Pacific pacific)
CreateHeader(${NX_TZDB_ROMFS_DIR}/zoneinfo/US us)
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