Configuring QEMU as ./configure --target-list=i386-softmmu --cpu=i386 --enable-werror
results in following error cc1: warnings being treated as errors qemu-char.c: In function 'qmp_ringbuf_write': qemu-char.c:2764: error: passing argument 2 of 'g_base64_decode' from incompatible pointer type /usr/include/glib-2.0/glib/gbase64.h:49: note: expected 'gsize *' but argument is of type 'size_t *' A git-blame (not a bisect) seems to indicate this was introduced with the following commit. commit 1f590cf9455c571799d1bfc0777255fa0796d4da Author: Lei Li <li...@linux.vnet.ibm.com> Date: Fri Jan 25 00:03:20 2013 +0800 QAPI: Introduce memchar-write QMP command Signed-off-by: Lei Li <li...@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitul...@redhat.com> This was produced on an Ubuntu 10.04 x86_64 machine. regards, David This email and any attachments are intended for the sole use of the named recipient(s) and contain(s) confidential information that may be proprietary, privileged or copyrighted under applicable law. If you are not the intended recipient, do not read, copy, or forward this email message or any attachments. Delete this email message and any attachments immediately.