I have xen-devel-4.1.2-14.fc17.x86_64 and am getting the following build error:
CC x86_64-softmmu/xen-all.o /home/alon/src/spice_upstream/qemu/xen-all.c: In function ‘xen_hvm_inject_msi’: /home/alon/src/spice_upstream/qemu/xen-all.c:132:5: error: implicit declaration of function ‘xc_hvm_inject_msi’ [-Werror=implicit-function-declaration] /home/alon/src/spice_upstream/qemu/xen-all.c:132:5: error: nested extern declaration of ‘xc_hvm_inject_msi’ [-Werror=nested-externs] commit f1dbf015dfb0aa7f66f710a1f1bc58b662951de2 seems to be missing a capability / version check. Alon