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The return value of `fcntl` when passed `F_SETFL` isn't guaranteed to return the flags passed in as its return value. It will be `-1` in the event of an error, but no other value is to be relied upon. Fortunately, we weren't relying upon the value apart from occasionally checking for an error. This is as it is specified in https://pubs.opengroup.org/onlinepubs/7908799/xsh/fcntl.html Closes interlisp/medley#87.
Maiko
This is the implementation of the Medley Interlisp virtual machine, for a byte-coded Lisp instruction set and some low-level functions for connecting with Lisp for access to display and disk etc.
There are make file fragments that include all the flags and variables you have to set for each hardware/OS target.
- cd to the "bin" directory
- have "." on your PATH
- do "./makeright x"
It will (attempt to) detect the OS-type and cpu-type, and put together the makefile parts that it needs. It will build in ../ostype.cputype-x (for the .o files) and ../ostype.cputype for the executables.