Hi,
my compiler is Clang on MacOS 10.7.5.
I run
./configure  --disable-log --prefix=/opt/local
make  CFLAGS="-arch i386 -arch x86_64 -mmacosx-version-min=10.6"
and here's the output:

Making all in libusb
   CC     libusb_1_0_la-core.lo
core.c:1755:30: warning: use of logical '&&' with constant operand 
[-Wconstant-logical-operand]
                 return (usbi_backend->caps && USBI_CAP_HAS_HID_ACCESS);
                                            ^ ~~~~~~~~~~~~~~~~~~~~~~~
core.c:1755:30: note: use '&' for a bitwise operation
                 return (usbi_backend->caps && USBI_CAP_HAS_HID_ACCESS);
                                            ^~
                                            &
core.c:1755:30: note: remove constant to silence this warning
                 return (usbi_backend->caps && USBI_CAP_HAS_HID_ACCESS);
~^~~~~~~~~~~~~~~~~~~~~~~~~~
core.c:1757:30: warning: use of logical '&&' with constant operand 
[-Wconstant-logical-operand]
                 return (usbi_backend->caps && 
USBI_CAP_SUPPORTS_DETACH_KERNEL_DRIVER);
                                            ^ 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
core.c:1757:30: note: use '&' for a bitwise operation
                 return (usbi_backend->caps && 
USBI_CAP_SUPPORTS_DETACH_KERNEL_DRIVER);
                                            ^~
                                            &
core.c:1757:30: note: remove constant to silence this warning
                 return (usbi_backend->caps && 
USBI_CAP_SUPPORTS_DETACH_KERNEL_DRIVER);
~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 warnings generated.
core.c:1755:30: warning: use of logical '&&' with constant operand 
[-Wconstant-logical-operand]
                 return (usbi_backend->caps && USBI_CAP_HAS_HID_ACCESS);
                                            ^ ~~~~~~~~~~~~~~~~~~~~~~~
core.c:1755:30: note: use '&' for a bitwise operation
                 return (usbi_backend->caps && USBI_CAP_HAS_HID_ACCESS);
                                            ^~
                                            &
core.c:1755:30: note: remove constant to silence this warning
                 return (usbi_backend->caps && USBI_CAP_HAS_HID_ACCESS);
~^~~~~~~~~~~~~~~~~~~~~~~~~~
core.c:1757:30: warning: use of logical '&&' with constant operand 
[-Wconstant-logical-operand]
                 return (usbi_backend->caps && 
USBI_CAP_SUPPORTS_DETACH_KERNEL_DRIVER);
                                            ^ 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
core.c:1757:30: note: use '&' for a bitwise operation
                 return (usbi_backend->caps && 
USBI_CAP_SUPPORTS_DETACH_KERNEL_DRIVER);
                                            ^~
                                            &
core.c:1757:30: note: remove constant to silence this warning
                 return (usbi_backend->caps && 
USBI_CAP_SUPPORTS_DETACH_KERNEL_DRIVER);
~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2 warnings generated.
   CC     libusb_1_0_la-descriptor.lo
   CC     libusb_1_0_la-io.lo
   CC     libusb_1_0_la-sync.lo
   CC     libusb_1_0_la-darwin_usb.lo
   CC     libusb_1_0_la-threads_posix.lo
   CCLD   libusb-1.0.la

best regards,
nicolas

Le 03/04/13 21:28, Pete Batard a écrit :
> Hi,
>
> The 2nd release candidate for libusbx v1.0.15 is now available at
> http://sourceforge.net/projects/libusbx/files/releases/1.0.15/source/
>
> This version brings the following improvements:
> * Improve tranfer cancellation and avoid short read failures on broken
>     descriptors
> * Filter out 8-bit characters in libusb_get_string_descriptor_ascii()
> * Add WinCE support
> * Add library stress tests
> * Add FX3 firmware upload support for fxload
> * Add HID and kernel driver detach support capabilities detection
> * Add SuperSpeed detection on OS X
> * Don't assume an high speed for isochronous or an interval or 1 on OS X
> * Fix issues with autoclaim, composite HID devices, interface autoclaim
>     and early abort in libusb_close() on Windows. Also add VS 2012
>     solution files.
> * Improve fd event handling on Linux
> * Other bug fixes and improvements
>
> For more details, please see the libusbx git log at:
> https://github.com/libusbx/libusbx/commits/master
>
> If you have an application relying on libusb or libusbx, or are a
> distribution maintainer, you are encouraged to test this RC and report
> any issues to the libusbx mailing list before the planned release due on
> 2013.04.14.
>
> For more info, please visit http://libusbx.org
>
> Regards,
>
> /Pete
>
> ------------------------------------------------------------------------------
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> Reduce network management and security costs.Learn how to hire
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>


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