vgmstream/cmake/FetchDependency.cmake
2021-09-27 02:36:54 +03:00

66 lines
1.8 KiB
CMake

if(NOT WIN32)
find_package(Git QUIET)
if(Git_FOUND)
include(FetchContent)
endif()
endif()
function(FetchDependency name)
set(value_args DIR GIT_REPOSITORY GIT_TAG DOWNLOAD SUBDIR)
cmake_parse_arguments(ARGS "" "${value_args}" "" ${ARGN})
if(NOT ARGS_DIR)
set(ARGS_DIR ${name})
endif()
set(${name}_BIN ${VGM_BINARY_DIR}/dependencies/${ARGS_DIR})
set(${name}_BIN ${${name}_BIN} PARENT_SCOPE)
if(${name}_PATH)
if(IS_DIRECTORY "${${name}_PATH}")
set(${name}_SOURCE "(local path)" PARENT_SCOPE)
else()
message(FATAL_ERROR "The provided path to ${ARGS_DIR} does not exist (Use ${name}_PATH)")
endif()
elseif(Git_FOUND AND ARGS_GIT_REPOSITORY OR ARGS_DOWNLOAD)
set(${name}_PATH ${VGM_SOURCE_DIR}/dependencies/${ARGS_DIR})
set(${name}_PATH ${${name}_PATH} PARENT_SCOPE)
set(${name}_SOURCE "(download)" PARENT_SCOPE)
if(Git_FOUND AND ARGS_GIT_REPOSITORY)
FetchContent_Declare(${name}_FETCH
GIT_REPOSITORY ${ARGS_GIT_REPOSITORY}
SOURCE_DIR ${${name}_PATH}
BINARY_DIR ${${name}_BIN}
SUBBUILD_DIR ${${name}_BIN}-sub
GIT_TAG ${ARGS_GIT_TAG}
GIT_SHALLOW ON
)
FetchContent_GetProperties(${name}_FETCH)
if(NOT ${name}_FETCH_POPULATED)
message("Downloading ${ARGS_DIR}...")
FetchContent_Populate(${name}_FETCH)
endif()
else()
string(REGEX REPLACE ".*/" "" FILE ${ARGS_DOWNLOAD})
if(NOT EXISTS ${${name}_PATH}/${FILE})
message("Downloading ${ARGS_DIR}...")
file(DOWNLOAD
${ARGS_DOWNLOAD}
${${name}_PATH}/${FILE}
)
file(ARCHIVE_EXTRACT
INPUT ${${name}_PATH}/${FILE}
DESTINATION ${${name}_PATH}
)
endif()
if(ARGS_SUBDIR)
set(${name}_PATH ${${name}_PATH}/${ARGS_SUBDIR} PARENT_SCOPE)
endif()
endif()
else()
set(${name}_PATH "" PARENT_SCOPE)
set(USE_${name} OFF PARENT_SCOPE)
endif()
endfunction()