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Re: [libvirt] [PATCH] build: fix some mingw issues



On Thu, Jun 03, 2010 at 07:58:43AM -0600, Eric Blake wrote:
> On 06/03/2010 04:08 AM, Daniel P. Berrange wrote:
> > On Wed, Jun 02, 2010 at 03:53:12PM -0600, Eric Blake wrote:
> >> On Fedora 13 with sufficient mingw32-* packages installed, running
> >> ./autobuild.sh failed to cross-compile to mingw because
> >> mingw32-pthreads installed a broken <pthread.h>.  With that
> >> issue fixed, the build still failed due to use of O_SYNC.
> > 
> > Indeed you shouldn't install mingw32-pthreads - it horribly
> > pollutes the global namespace & libvirt doesn't want it - we
> > use Win32 native threads
> 
> That would be nice, if yum didn't also insist upon removing everything
> else mingw related:
> 
> Removing:
>  mingw32-pthreads         noarch      2.8.0-10.fc13          @fedora
>   936 k
> Removing for dependencies:
>  mingw32-gcc              x86_64      4.4.2-2.fc13           @fedora
>   3.1 M
>  mingw32-gcc-c++          x86_64      4.4.2-2.fc13           @fedora
>    24 M
>  mingw32-gettext          noarch      0.17-12.fc12           @fedora
>    20 M
>  mingw32-glib2            noarch      2.23.4-1.fc13          @fedora
>   7.6 M
>  mingw32-glibmm24         noarch      2.23.2-1.fc13          @fedora
>   6.4 M
>  mingw32-gnutls           noarch      2.6.4-3.fc13           @fedora
>   2.4 M
>  mingw32-libsigc++20      noarch      2.2.4.2-1.fc12         @fedora
>   1.7 M
>  mingw32-libxml++         noarch      2.26.0-3.fc12          @fedora
>   1.2 M
> 
> What's weird is that I don't recall having mingw32-pthreads installed on
> a 32-bit fedora 13; it must be something about the 64-bit x86_64
> packages that is mistakenly sucking in this less-than-stellar package.

Hmm, that sounds like a packaging bug to me - pthreads certainly used to
be optional :-(

> So, is the libvirt patch worth installing, while we wait for the
> eventual fix of dependencies to not force mingw32-pthreads on 64-bit users?

How about changing configure.ac so that it defaults to looking for win32
threads on Win32, rather than trying pthreads


Daniel
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