cmake SAIL_HAVE_THIS_H examples

HappySeaFox/sail cmake/sail_check_include.cmake :8 

string(TOUPPER ${SAIL_CHECK_INCLUDE} SAIL_HAVE_THIS_H)

HappySeaFox/sail cmake/sail_check_include.cmake :9 

string(REGEX REPLACE "[/\\.;]" "_" SAIL_HAVE_THIS_H ${SAIL_HAVE_THIS_H})

HappySeaFox/sail cmake/sail_check_include.cmake :12 

check_include_files(${SAIL_CHECK_INCLUDE} ${SAIL_HAVE_THIS_H})