Re: [libvirt] [PATCH 61/89] m4/virt-libxl: properly check for required libxl version

Signed-off-by: Pavel Hrdina <phrdina(a)redhat.com&gt; --- m4/virt-driver-libxl.m4 | 18 ++++++++++++------ 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/m4/virt-driver-libxl.m4 b/m4/virt-driver-libxl.m4 index 2fdeaa506e..498cad3240 100644 --- a/m4/virt-driver-libxl.m4 +++ b/m4/virt-driver-libxl.m4 @@ -28,6 +28,7 @@ AC_DEFUN([LIBVIRT_DRIVER_CHECK_LIBXL], [ LIBXL_CFLAGS="" LIBXL_FIRMWARE_DIR="" LIBXL_EXECBIN_DIR="" + LIBXL_API_VERSION="-DLIBXL_API_VERSION=0x040400" dnl search for libxl, aka libxenlight dnl Xen > 4.5 introduced a pkgconfig file, check for it first @@ -41,17 +42,22 @@ AC_DEFUN([LIBVIRT_DRIVER_CHECK_LIBXL], [ dnl pkgconfig file not found, fallback to lib probe if test "x$with_libxl" = "xno" ; then with_libxl="$old_with_libxl" + + dnl LIBXL_API_VERSION 4.4.0 introduced a new parameter to + dnl libxl_domain_create_restore for specifying restore parameters. + dnl The libxl driver will make use of this new parameter for specifying + dnl the Xen migration stream version. Specify LIBXL_API_VERSION to trigger + dnl an error if there is too old xenlight + CFLAGS="$CFLAGS $LIBXL_API_VERSION" LIBVIRT_CHECK_LIB([LIBXL], [xenlight], [libxl_ctx_alloc], [libxl.h], [fail="1"]) + CFLAGS="$old_CFLAGS" + if test $fail = 1; then - AC_MSG_ERROR([You must install the libxl Library from Xen >= 4.2 to compile libxenlight driver with -lxl]) + AC_MSG_ERROR([You must install the libxl Library from Xen >= 4.4 to compile libxenlight driver with -lxl])