I tried from Ubuntu in Virtualbox and this is the error I now get and it
appears to be similar to the error from Cygwin. Configure seems to run
fine. Make fails. I'm officially lost.
./configure --cross-prefix=x86_64-w64-mingw32
(...)
CC qga/commands-win32.o
qga/commands-win32.c: In function ‘qmp_guest_set_user_password’:
qga/commands-win32.c:1254:5: warning: passing argument 2 of
‘g_base64_decode’ from incompatible pointer type [enabled by default]
rawpasswddata = (char *)g_base64_decode(password, &rawpasswdlen);
^
In file included from /usr/include/glib-2.0/glib.h:35:0,
from qga/commands-win32.c:14:
/usr/include/glib-2.0/glib/gbase64.h:52:9: note: expected ‘gsize *’ but
argument is of type ‘size_t *’
guchar *g_base64_decode (const gchar *text,
^
CC qga/channel-win32.o
qga/channel-win32.c: In function ‘ga_channel_create_watch’:
qga/channel-win32.c:199:24: warning: cast from pointer to integer of
different size [-Wpointer-to-int-cast]
watch->pollfd.fd = (gintptr) c->rstate.ov.hEvent;
^
qga/channel-win32.c: At top level:
qga/channel-win32.c:205:11: error: conflicting types for ‘ga_channel_read’
GIOStatus ga_channel_read(GAChannel *c, char *buf, size_t size, gsize
*count)
^
In file included from qga/channel-win32.c:9:0:
./qga/channel.h:30:11: note: previous declaration of ‘ga_channel_read’ was
here
GIOStatus ga_channel_read(GAChannel *c, gchar *buf, gsize size, gsize
*count);
^
qga/channel-win32.c:269:11: error: conflicting types for
‘ga_channel_write_all’
GIOStatus ga_channel_write_all(GAChannel *c, const char *buf, size_t size)
^
In file included from qga/channel-win32.c:9:0:
./qga/channel.h:31:11: note: previous declaration of ‘ga_channel_write_all’
was here
GIOStatus ga_channel_write_all(GAChannel *c, const gchar *buf, gsize size);
^
qga/channel-win32.c: In function ‘ga_channel_open’:
qga/channel-win32.c:291:19: error: ‘MAXPATHLEN’ undeclared (first use in
this function)
gchar newpath[MAXPATHLEN] = {0};
^
qga/channel-win32.c:291:19: note: each undeclared identifier is reported
only once for each function it appears in
qga/channel-win32.c:291:11: warning: unused variable ‘newpath’
[-Wunused-variable]
gchar newpath[MAXPATHLEN] = {0};
^
make: *** [qga/channel-win32.o] Error 1
On Wed, Sep 16, 2015 at 1:51 PM, Mike Ladouceur <mike.ladouc...@live.com>
wrote:
> Thanks for the reply. I will try to cross-compile via cygwin seeing as
> I've had no luck installing and configuring mingw64.
>
> On Tue, Sep 15, 2015 at 4:44 PM, Eric Blake <ebl...@redhat.com> wrote:
>
>> On 09/15/2015 02:10 PM, Stefan Weil wrote:
>> >>
>> >> CC qga/commands-win32.o
>> >>> qga/commands-win32.c: In function ‘qmp_guest_set_user_password’:
>> >>> qga/commands-win32.c:1254:55: warning: passing argument 2 of
>> >>> ‘g_base64_decode’ from incompatible pointer type
>> >>> rawpasswddata = (char *)g_base64_decode(password, &rawpasswdlen);
>> >>> ^
>>
>> Ugh. Compiling for cygwin should favor POSIX interfaces, not
>> commands-win32. The build is failing because it isn't even correctly
>> deciding which files it should be compiling.
>>
>>
>> > compiling with cygwin is unsupported. I suggest using MinGW-w64
>> > (which also works for cross compilations under Linux).
>>
>> Remember, cygwin is itself an emulation layer - you are emulating POSIX
>> interfaces on top of Windows; which, while making the environment easier
>> to port to, also makes the environment slower. qemu targets mingw and
>> not cygwin because qemu is an emulator and already slow enough, without
>> needing another layer of emulation thrown in the mix.
>>
>> That said, if you want to port qemu to cygwin and supply patches, I'm
>> more than willing to help review them. It's just that right now, it's
>> not my personal itch to write such patches, and that the qemu community
>> currently favors mingw rather than cygwin.
>>
>> Also, cygwin comes with cross-compilers, so you can still use your
>> cygwin setup to compile qemu for mingw (although doing the cross-compile
>> on a true Linux box will be faster).
>>
>> --
>> Eric Blake eblake redhat com +1-919-301-3266
>> Libvirt virtualization library http://libvirt.org
>>
>>
>
