secp256k1/cmake/CheckStringOptionValue.cmake

13 lines
504 B
CMake

function(check_string_option_value option)
get_property(expected_values CACHE ${option} PROPERTY STRINGS)
if(expected_values)
foreach(value IN LISTS expected_values)
if(value STREQUAL "${${option}}")
return()
endif()
endforeach()
message(FATAL_ERROR "${option} value is \"${${option}}\", but must be one of ${expected_values}.")
endif()
message(AUTHOR_WARNING "The STRINGS property must be set before invoking `check_string_option_value' function.")
endfunction()