That was it! After removing the Windows path to an old mingw installation
and actually installing cygwin gcc, things went much better. Many thanks.
:)
Dan.
On Tue, Apr 16, 2013 at 12:20 AM, Xiaofan Chen <xiaof...@gmail.com> wrote:
> On Tue, Apr 16, 2013 at 12:29 AM, Daniel Goertzen
> <daniel.goert...@gmail.com> wrote:
> > Hello, I am struggling with libusbx on cygwin under Windows 8. When I
> > "configure" and "V=1 make" I get the failed build output below. It looks
> > like a pthread linkage issue and I normally know how to deal with that,
> but
> > not when it is buried under automake and libtool. Any tips?
> >
> > details:
> > - libusbx-1.0.15-rc3
> > - Windows 8 (64 bit)
> > - cygwin updated today (15 April 2013)
> > - I am making a USB device from a LPC11u24 and want to talk to it via
> > libusbx.
> >
> > Thanks,
> > Dan.
> >
> > ...
> > /bin/sh ../libtool --tag=CC --mode=link gcc -std=gnu99 -Wall -Wundef
> > -Wunused -Wstrict-prototypes -Werror-implicit-function-declaration
> > -Wno-pointer-sign -Wshadow -g -O2 -version-info 1:0:1 -no-undefined
> > -avoid-version -Wl,--add-stdcall-alias -o libusb-1.0.la -rpath
> > /usr/local/lib libusb_1_0_la-core.lo libusb_1_0_la-descriptor.lo
> > libusb_1_0_la-io.lo libusb_1_0_la-sync.lo libusb_1_0_la-poll_windows.lo
> > libusb_1_0_la-windows_usb.lo libusb-1.0.lo libusb_1_0_la-threads_posix.lo
> > libtool: link: gcc -shared .libs/libusb_1_0_la-core.o
> > .libs/libusb_1_0_la-descriptor.o .libs/libusb_1_0_la-io.o
> > .libs/libusb_1_0_la-sync.o .libs/libusb_1_0_la-poll_windows.o
> > .libs/libusb_1_0_la-windows_usb.o .libs/libusb-1.0.o
> > .libs/libusb_1_0_la-threads_posix.o -O2 -Wl,--add-stdcall-alias -o
> > .libs/cygusb-1.0.dll -Wl,--enable-auto-image-base -Xlinker --out-implib
> > -Xlinker .libs/libusb-1.0.dll.a
> > Creating library file: .libs/libusb-1.0.dll.a.libs/libusb_1_0_la-core.o:
> In
> > function `usbi_alloc_device':
> > C:\cygwin\home\goertzen\libusbx-1.0.15-rc3\libusb/core.c:513: undefined
> > reference to `_imp__pthread_mutex_init'
> > C:\cygwin\home\goertzen\libusbx-1.0.15-rc3\libusb/core.c:525: undefined
> > reference to `_imp__pthread_mutex_lock'
> > C:\cygwin\home\goertzen\libusbx-1.0.15-rc3\libusb/core.c:527: undefined
> > reference to `_imp__pthread_mutex_unlock'
> > .libs/libusb_1_0_la-core.o: In function `usbi_get_device_by_session_id':
>
> It seems to me that you are trying to use Cygwin's MinGW cross
> compiler to build MinGW binary (without dependency on cygwin1.dll,
> output dll is named libusb-1.0.dll).
>
> In that case, did you specify the cross compiler properly?
> Cygwin has cross compiler based on MinGW.org (32bit
> only) and MinGW-w64(32/64bit). The MinGW.org one
> has suffix i686-pc-mingw32. The MinGW-w64 32bit
> compiler has suffix i686-w64-mingw32 and 64bit compiler
> has suffix x86_64-w64-mingw32.
>
> What Pete has done is to build the native Cygwin binary (with
> dependency on cygwin1.dll, output dll is named cygusb-1.0.dll).
> That is quite different from what you are doing.
>
>
> --
> Xiaofan
>
>
> ------------------------------------------------------------------------------
> Precog is a next-generation analytics platform capable of advanced
> analytics on semi-structured data. The platform includes APIs for building
> apps and a phenomenal toolset for data science. Developers can use
> our toolset for easy data analysis & visualization. Get a free account!
> http://www2.precog.com/precogplatform/slashdotnewsletter
> _______________________________________________
> libusbx-devel mailing list
> libusbx-devel@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/libusbx-devel
>
------------------------------------------------------------------------------
Precog is a next-generation analytics platform capable of advanced
analytics on semi-structured data. The platform includes APIs for building
apps and a phenomenal toolset for data science. Developers can use
our toolset for easy data analysis & visualization. Get a free account!
http://www2.precog.com/precogplatform/slashdotnewsletter
_______________________________________________
libusbx-devel mailing list
libusbx-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/libusbx-devel
