Mark after Steve wrote...

>>My quick and dirty workaround was to copy /usr/include/signal.h to
>>/usr/include/sys/signal.h.  This corrected the "No such file or directory"
>>error.

>That's quick, but real dirty. Please remember to remove it.

In my porting work, I usually create some extra include directory and
add it to the compiler options via -I$HOME/include or whatever it is
named, to have the option of "intercepting and fixing" header files or
related problems without having to modify the /usr/include tree.

Lars.

(no idea on the underlying issues at the moment, haven't tried on 6.0)