# SPDX-License-Identifier: CC0-1.0
# SPDX-FileCopyrightText: 2019 Lynn Kirby

if(CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
    message(FATAL_ERROR
        " You must build ${PROJECT_NAME} out-of-source."
        " For example in ${CMAKE_SOURCE_DIR}/build.")
endif()
