MinGW lzz errors

[xKamuna]

There are a few errors in the .lzz files when building on mingw-w64, I'm not sure if they're the same with the normal mingw:
Change file.lzz

char const * fullname = loc.getFullname ();

to

std::string fullname = loc.getFullname ();
std::replace(fullname.begin(), fullname.end(), '\\', '/');

Remove in file_op.lzz

#include <util/throw_exception.h>

(For BasilCC) Add

#include <sys/types.h>

to all #hdr...#end directives (make one if it doesn't exist) in files where size_t is used.

There are also some issues I had with the make.include in the maketools directory and building, but those just have to do with path inconsistencies, being on Windows/MSYS2 instead of Linux while building, Here are the things I changed for reference:

Remove the first variable from BUILDDIR (ROOT) and change it to an absolute Windows path (or set up a new variable for it).

Add missing libraries and includes to the default library/include path.