regex.c not found, but it clearly exists

[Andrew STUBBS]

Brian Dessent wrote:
> NightStrike wrote:
> 
>> As you can see, the file does exist and is nonzero.  It is readable by
>> user, group, and world.  Why would gcc say it does not exist?
> 
> You're feeding a POSIX path to a MinGW application.  MinGW applications
> have no path translation ability and can only accept Win32 paths.  So
> no, the file does not exist in the eyes of i686-pc-mingw32-gcc because
> it has no idea what /tmp is supposed to mean.  But 'ls' is a Cygwin app
> and knows what /tmp is, so of course that works.
> 
> You need to use MSYS if you want this to work, because MSYS does path
> translation of command line arguments when invoking MinGW apps.  Cygwin
> does not because Cygwin is not intended to work with apps that don't
> understand POSIX paths.

Or you could try "gcc -mno-cygwin" where gcc is the standard Cygwin gcc.

That's a Cygwin program so it understands the POSIX paths, but it 
produced MinGW programs (which don't).

Andrew