On 2013.01.08 14:56, Toby Gray wrote:
> In anticipation of this, I've just rebased and tested my wince[1] branch
> on the latest libusbx master.
Thanks. I'm picking it up and starting to look at it a bit more closely.
What's most likely to happen is that I'm going to merge most of your
commits into a handful of large ones.
I still have yet to test compilation (both for and outside of CE), but
below are a few points I'd like to bring up:
1. in .gitignore, there's a !wince/listdevs entry. Shouldn't there be
similar entries for xusb and test? Also what does the 'STANDARDSDK_500
(*)' entry do?
2. I see you using both a WINCE and _WIN32_WCE define. Is there a
difference between the two? If not, maybe it'd make sense to just pick
one and try to stick to it. Also, if a file tends to use #if defined()
rather than #ifdef, it's probably worth carrying the trend (looking at
the #ifndef WINCE at the top of libusb.h)
3. As you may have noticed, with the VS2012 addon, I did some renaming
of the solution files (such as libusb_static.vcproj ->
libusb_static_2005.vcproj). Ultimately, if we add a suffix to your
project files and use a few well placed #ifdefs, I believe we could
probably move the wince solution and extra include into the /msvc
directory. I think the config.h should be able to service both msvc
wince and regular msvc with a handful of extra #ifdef WINCE, and the
project files should be a no brainer either. The only unknown potential
issue I can see is if we get to pick errno.h from msvc/ for MinGW/cygwin
compilation instead of the system's one, but there's probably a way to
avoid that. I don't see merging msvc_wince and msvc as a priority at
this stage, but we might want to keep that option open.
4. Ideally, instead of using #ifdef WIN_CE in the core source, we'd
probably want to emulate the HAS_SYS_TYPE_H, HAS_SIGNAL_H functionally
from autoconf in the msvc's config.h. We're already populating some of
these values on anything POSIX, and can add the missing ones if needed,
so I might just do that during integration. Of course, we can't use the
HAS_#### values in all files (libusb.h and the samples/tests come to
mind, as they don't rely on config.h), but it would probably help making
our code look a bit more conventional.
(5. Note to self: add windows_common.h to the VS2012 solution files)
6. Did we have a potential bug in poll_windows.c in
_fd_to_index_and_lock ("if (fd <= 0)" -> "if (fd < 0)"? If so thanks for
the fix. Overall, I think your changes made poll_windows.c a lot easier
to read, which should help.
7. Maybe you want to edit INSTALL_WIN.txt to add some notes about WinCE.
Regards,
/Pete
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