[libvirt] [PATCHv4 14/15] build: require Jansson if QEMU driver is enabled

If the QEMU driver was requested, require Jansson, since we need to use the JSON monitor to probe capabilities for all QEMU version supported by libvirt. Signed-off-by: Ján Tomko <jtomko(a)redhat.com&gt; --- m4/virt-driver-qemu.m4 | 3 +++ 1 file changed, 3 insertions(+) diff --git a/m4/virt-driver-qemu.m4 b/m4/virt-driver-qemu.m4 index ddb2834705..2d9992d0dc 100644 --- a/m4/virt-driver-qemu.m4 +++ b/m4/virt-driver-qemu.m4 @@ -27,6 +27,9 @@ AC_DEFUN([LIBVIRT_DRIVER_ARG_QEMU], [ AC_DEFUN([LIBVIRT_DRIVER_CHECK_QEMU], [ AC_REQUIRE([LIBVIRT_CHECK_JANSSON]) + if test "$with_qemu:$with_jansson" = "yes:no"; then + AC_MSG_ERROR([Jansson >= 2.5 is required to build QEMU driver]) + fi if test "$with_qemu" = "check"; then with_qemu=$with_jansson fi -- 2.16.1