x86-64 port (Jocelyn Mayer)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@753 c046a42c-6fe2-441c-8c8c-71466251a162

Makefile.target

@@ -56,6 +56,12 @@ PROGS+=$(QEMU_SYSTEM)
 endif
 endif # ARCH = i386
 
+ifeq ($(ARCH), amd64)
+ifdef CONFIG_SOFTMMU
+PROGS+=$(QEMU_SYSTEM)
+endif
+endif # ARCH = amd64
+
 endif # TARGET_ARCH = ppc
 endif # !CONFIG_USER_ONLY