Re: Patch: jcf-path.c and filename case-insensitivity on Win32

[Andrew Haley <aph at redhat dot com>]

Mohan Embar writes:
 > Hi People,
 > 
 > >See Tom's comment -- declare COMPARE_FILENAMES appropriately.  We
 > >don't want HAVE_DOS_BASED_FILE_SYSTEM all over the place if we can
 > >possibly avoid it.
 > >
 > >Otherwise this is fine.
 > 
 > I'm going to stick my neck out here: would it be ethically/morally
 > objectionable to have platform-dependent files where we call into
 > platform-dependent same-named functions for things like these?

In principle, but if we ever get into that much platform-dependent
complexity in the compiler front end we are going it totally the wrong
direction.

 > And if you're worried about performance on UNIX in the case of
 > something like strcmp,

In the front end?  No way.  It must be right.

 > do a #define where things would resolve to the real deal on UNIX,
 > but a function call into the platform- dependent file on Win32?
 > 
 > I'm asking this because there are a few strategic opens / fopens
 > in jcf-*.c which, if you checked for the existence of the file
 > of the exact case on Win32, you would get the compiler working
 > on MingW.

This should be possible to parameterize with a macro in the same way.
Go for it.

Andrew.