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Re-building stock libusb package?

I'm working on a product that needs libusb to work in a cygwin process, but there's a problem. The released version (1.0.19) doesn't support two very fundamental features: pollfds and hotplug. I see strong indications that the current git version *does* have these features, so I was really hoping to try using it to see if I can avoid the extremely nasty (and still not working) tricks I'm having to devise.

The problem is, libusb doesn't build due to w32api headers referencing other headers that don't exist:

  CC       os/libusb_1_0_la-windows_usb.lo
In file included from /usr/include/w32api/setupapi.h:27:0,
                 from os/windows_usb.c:28:
/usr/include/w32api/oledlg.h:28:19: fatal error: tchar.h: No such file or directory

Even pulling the libusb source package with the cygwin installer doesn't result in any different behavior. I've tried various headers packages (w32api, cygwin32-wapi, mingw-w32api) to no avail.

So, my question is: how does one simply rebuild the existing 1.0.19 package? I'm pretty sure I can take it from there as far as getting a git version to compile...


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