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set(PREBUILT_VERSION_NAME "f81df85")
set(FSO_PREBUILT_OVERRIDE "" CACHE PATH "Path to the prebuilt binaries, if empty the binaries will be downloaded.")
set(PREBUILT_LIB_DIR "${CMAKE_CURRENT_BINARY_DIR}/prebuilt")
set(CURRENT_ROOT "${CMAKE_CURRENT_BINARY_DIR}")
function(get_prebuilt_path OUT_VAR)
if (IS_DIRECTORY "${PREBUILT_LIB_DIR}")
if (NOT "${FSO_PREBUILT_OVERRIDE}" STREQUAL "")
set(${OUT_VAR} "${FSO_PREBUILT_OVERRIDE}" PARENT_SCOPE)
return()
endif()
if ("${DOWNLOADED_PREBUILT_VERSION}" STREQUAL "${PREBUILT_VERSION_NAME}")
# Libraries already downloaded and up-to-date
set(${OUT_VAR} "${PREBUILT_LIB_DIR}" PARENT_SCOPE)
return()
endif()
endif()
set(PREBUILT_PATH)
set(TAG_NAME "bin-${PREBUILT_VERSION_NAME}")
if(PLATFORM_WINDOWS)
if (IS_64BIT)
set(FILENAME "bin-win64.zip")
else()
set(FILENAME "bin-win32.zip")
endif()
elseif(PLATFORM_MAC)
set(FILENAME "bin-mac.tar.gz")
else()
# Use Linux binaries...
if (IS_ARM64)
set(FILENAME "bin-linux_arm64.tar.gz")
else()
set(FILENAME "bin-linux.tar.gz")
endif()
endif()
set(DOWNLOAD_URL "https://github.com/scp-fs2open/scp-prebuilt/releases/download/${TAG_NAME}/${FILENAME}")
set(DOWNLOAD_FILE "${CURRENT_ROOT}/${FILENAME}")
set(MAX_RETRIES 5)
foreach(i RANGE 1 ${MAX_RETRIES})
if (NOT (i EQUAL 1))
message(STATUS "Retry after 5 seconds (attempt #${i}) ...")
execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep "5")
endif()
message(STATUS "Downloading prebuilt libraries from \"${DOWNLOAD_URL}\" (try ${i}/${MAX_RETRIES})")
file(DOWNLOAD "${DOWNLOAD_URL}" "${DOWNLOAD_FILE}" SHOW_PROGRESS TLS_VERIFY ON STATUS DOWNLOAD_STATUS_LIST)
list(GET DOWNLOAD_STATUS_LIST 0 DOWNLOAD_STATUS)
list(GET DOWNLOAD_STATUS_LIST 1 DOWNLOAD_ERROR)
if (DOWNLOAD_STATUS EQUAL 0)
break()
endif()
message(STATUS "Download of prebuilt binaries failed: ${DOWNLOAD_ERROR}!")
endforeach()
if (NOT (DOWNLOAD_STATUS EQUAL 0))
message(FATAL_ERROR "${MAX_RETRIES} download attempts failed!")
return()
endif()
if (IS_DIRECTORY "${PREBUILT_LIB_DIR}")
# Remove previous files
file(REMOVE_RECURSE "${PREBUILT_LIB_DIR}")
file(MAKE_DIRECTORY "${PREBUILT_LIB_DIR}")
else()
# Make sure the directory exists
file(MAKE_DIRECTORY "${PREBUILT_LIB_DIR}")
endif()
# Extract the downloaded file
message(STATUS "Extracting library package...")
execute_process(
COMMAND ${CMAKE_COMMAND} -E tar xzf "${DOWNLOAD_FILE}"
WORKING_DIRECTORY "${PREBUILT_LIB_DIR}"
RESULT_VARIABLE EXTRACT_RESULT
ERROR_VARIABLE ERROR_TEXT
)
if (NOT (EXTRACT_RESULT EQUAL 0))
message(FATAL_ERROR "Extracting prebuilt libraries failed! Error message: ${ERROR_TEXT}")
return()
endif()
file(REMOVE "${DOWNLOAD_FILE}")
# We are done now. Set the cache variables and return the result
set(DOWNLOADED_PREBUILT_VERSION "${PREBUILT_VERSION_NAME}" CACHE INTERNAL "")
set(${OUT_VAR} "${PREBUILT_LIB_DIR}" PARENT_SCOPE)
endfunction(get_prebuilt_path)
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