OpenSSH has only been tested with GNU make. It may work with other
'make' programs, but you are on your own.
+pcre (POSIX Regular Expression library):
+ftp://ftp.cus.cam.ac.uk/pub/software/programs/pcre/
+
+Most platforms do not required this. However older 4.3 BSD do not
+have a posix regex library.
+
+
2. Building / Installation
--------------------------