CMAKE_MINIMUM_REQUIRED(VERSION 3.3.2)

INCLUDE(CheckFunctionExists)

CHECK_FUNCTION_EXISTS(snprintf HAVE_SNPRINTF)
IF(NOT HAVE_SNPRINTF)
    CHECK_FUNCTION_EXISTS(_snprintf HAVE__SNPRINTF)
    IF(NOT HAVE__SNPRINTF)
        MESSAGE(FATAL_ERROR "No snprintf function found, please report!")
    ENDIF()

    ADD_DEFINITIONS(-Dsnprintf=_snprintf)
ENDIF()