Fedora 13 switched the default behaviour of the linker to no longer indirectly link to required libraries (i.e. dependencies of a library already linked to). Therefore we need to explicitly pass the depended on libraries into the linker for building to work on Fedora 13. More information is available on the Fedora Wiki: https://fedoraproject.org/wiki/UnderstandingDSOLinkChange JL - 15/06/10 Index: qemu-0.13.0/Makefile.target =================================================================== --- qemu-0.13.0.orig/Makefile.target 2011-01-15 17:30:45.000000000 +0800 +++ qemu-0.13.0/Makefile.target 2011-01-15 17:33:22.000000000 +0800 @@ -193,7 +193,7 @@ obj-y += rwhandler.o obj-$(CONFIG_KVM) += kvm.o kvm-all.o obj-$(CONFIG_NO_KVM) += kvm-stub.o -LIBS+=-lz +LIBS+=-lz -lX11 -ldl QEMU_CFLAGS += $(VNC_TLS_CFLAGS) QEMU_CFLAGS += $(VNC_SASL_CFLAGS)