cmake HAVE_ISWUPPER examples

arkdb/inception cmake/readline.cmake :48 

CHECK_FUNCTION_EXISTS(iswupper HAVE_ISWUPPER)

alibaba/AliSQL cmake/readline.cmake :50 

CHECK_FUNCTION_EXISTS(iswupper HAVE_ISWUPPER)

Tokutek/mysql-5.5 cmake/readline.cmake :48 

CHECK_FUNCTION_EXISTS(iswupper HAVE_ISWUPPER)