Message ID | 1202297355.13036709.1364209368956.JavaMail.root@redhat.com |
---|---|
State | New |
Headers | show |
Am 25.03.2013 12:02, schrieb Paolo Bonzini: > > ----- Messaggio originale ----- >> Da: "Gerd Hoffmann" <kraxel@redhat.com> >> A: "Stefan Hajnoczi" <stefanha@gmail.com> >> Cc: "Paolo Bonzini" <pbonzini@redhat.com>, "qemu-devel" <qemu-devel@nongnu.org>, "Orit Wasserman" >> <owasserm@redhat.com>, "Juan Quintela" <quintela@redhat.com> >> Inviato: Lunedì, 25 marzo 2013 10:52:36 >> Oggetto: Re: [Qemu-devel] [PATCH 14/42] migration: prepare to access s->state outside critical sections >> >> Hi, >> >>> http://buildbot.b1-systems.de/qemu/builders/default_mingw32/builds/566/steps/compile/logs/stdio >>> >>> The latest RHEL6 mingw gcc is version 4.4 but this buildslave is >>> RHEL6.1 so perhaps it's an older version that is missing the >>> atomics builtins? >> No, it's RHEL-6.4 actually, even though the name suggests otherwise >> (was a bad idea to include the minor rev in the buildslave name ...). > Can you check if this fixes it? > > diff --git a/configure b/configure > index 46a7594..a324ca5 100755 > --- a/configure > +++ b/configure > @@ -931,9 +931,9 @@ case "$cpu" in > LDFLAGS="-m64 $LDFLAGS" > ;; > i386) > - QEMU_CFLAGS="-m32 $QEMU_CFLAGS" > - LDFLAGS="-m32 $LDFLAGS" > - cc_i386='$(CC) -m32' > + QEMU_CFLAGS="-m32 -mcpu=i486 $QEMU_CFLAGS" > + LDFLAGS="-m32 -mcpu=i486 $LDFLAGS" > + cc_i386='$(CC) -m32 -mcpu=i486' > ;; > x86_64) > QEMU_CFLAGS="-m64 $QEMU_CFLAGS" > > Paolo Hi Stefan, hi Paolo, cross compilation on Debian Squeeze shows the same error. It is fixed by setting the correct cpu architecture (-march=i686). As far as I know, gcc 4.4 defaults to -march=i386 which does not support the atomic operations. I have sent a patch today - please try it. Regards, Stefan
diff --git a/configure b/configure index 46a7594..a324ca5 100755 --- a/configure +++ b/configure @@ -931,9 +931,9 @@ case "$cpu" in LDFLAGS="-m64 $LDFLAGS" ;; i386) - QEMU_CFLAGS="-m32 $QEMU_CFLAGS" - LDFLAGS="-m32 $LDFLAGS" - cc_i386='$(CC) -m32' + QEMU_CFLAGS="-m32 -mcpu=i486 $QEMU_CFLAGS" + LDFLAGS="-m32 -mcpu=i486 $LDFLAGS" + cc_i386='$(CC) -m32 -mcpu=i486' ;; x86_64) QEMU_CFLAGS="-m64 $QEMU_CFLAGS"