cmake HAVE_UNVIS examples

GreatSQL/GreatSQL extra/libedit/libedit-20210910-3.1/src/CMakeLists.txt :55 

CHECK_FUNCTION_EXISTS(unvis           HAVE_UNVIS)

percona/percona-server extra/libedit/libedit-20240808-3.1/src/CMakeLists.txt :57 

CHECK_FUNCTION_EXISTS(unvis           HAVE_UNVIS)

facebook/mysql-5.6 extra/libedit/libedit-20210910-3.1/src/CMakeLists.txt :55 

CHECK_FUNCTION_EXISTS(unvis           HAVE_UNVIS)

logicalclocks/rondb extra/libedit/libedit-20240808-3.1/src/CMakeLists.txt :57 

CHECK_FUNCTION_EXISTS(unvis           HAVE_UNVIS)

polardb/polardbx-engine extra/libedit/libedit-20210910-3.1/src/CMakeLists.txt :55 

CHECK_FUNCTION_EXISTS(unvis           HAVE_UNVIS)

mysql/mysql-server extra/libedit/libedit-20240808-3.1/src/CMakeLists.txt :57 

CHECK_FUNCTION_EXISTS(unvis           HAVE_UNVIS)

percona/percona-xtrabackup extra/libedit/libedit-20221030-3.1/src/CMakeLists.txt :57 

CHECK_FUNCTION_EXISTS(unvis           HAVE_UNVIS)

percona/percona-xtradb-cluster extra/libedit/libedit-20240808-3.1/src/CMakeLists.txt :57 

CHECK_FUNCTION_EXISTS(unvis           HAVE_UNVIS)