include(FetchContent) FetchContent_Declare( fmtlib PREFIX "${CMAKE_BINARY_DIR}/deps" DOWNLOAD_DIR "${CMAKE_SOURCE_DIR}/deps/downloads" DOWNLOAD_NAME fmt-8.0.1.tar.gz URL https://github.com/fmtlib/fmt/archive/8.0.1.tar.gz URL_HASH SHA256=b06ca3130158c625848f3fb7418f235155a4d389b2abc3a6245fb01cb0eb1e01 ) if (CMAKE_VERSION VERSION_LESS "3.14.0") FetchContent_GetProperties(fmtlib) if (NOT fmtlib_POPULATED) FetchContent_Populate(fmtlib) add_subdirectory(${fmtlib_SOURCE_DIR} ${fmtlib_BINARY_DIR}) endif() else() FetchContent_MakeAvailable(fmtlib) endif()