libvirt/m4/virt-driver-xen.m4

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dnl The XEN driver
dnl
dnl Copyright (C) 2016 Red Hat, Inc.
dnl
dnl This library is free software; you can redistribute it and/or
dnl modify it under the terms of the GNU Lesser General Public
dnl License as published by the Free Software Foundation; either
dnl version 2.1 of the License, or (at your option) any later version.
dnl
dnl This library is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
dnl Lesser General Public License for more details.
dnl
dnl You should have received a copy of the GNU Lesser General Public
dnl License along with this library. If not, see
dnl <http://www.gnu.org/licenses/>.
dnl
AC_DEFUN([LIBVIRT_DRIVER_ARG_XEN], [
LIBVIRT_ARG_WITH([XEN], [XEN], [check])
LIBVIRT_ARG_WITH([XEN_INOTIFY], [XEN inotify], [check])
])
AC_DEFUN([LIBVIRT_DRIVER_CHECK_XEN], [
old_LIBS="$LIBS"
old_CFLAGS="$CFLAGS"
XEN_LIBS=""
XEN_CFLAGS=""
dnl search for the Xen store library
if test "$with_xen" != "no" ; then
if test "$with_xen" != "yes" && test "$with_xen" != "check" ; then
XEN_CFLAGS="-I$with_xen/include"
XEN_LIBS="-L$with_xen/lib64 -L$with_xen/lib"
fi
fail=0
CFLAGS="$CFLAGS $XEN_CFLAGS"
LIBS="$LIBS $XEN_LIBS"
AC_CHECK_LIB([xenstore], [xs_read], [
with_xen=yes
XEN_LIBS="$XEN_LIBS -lxenstore"
],[
if test "$with_xen" = "yes"; then
fail=1
fi
with_xen=no
])
fi
if test "$with_xen" != "no" ; then
dnl In Xen 4.2, xs.h is deprecated in favor of xenstore.h.
AC_CHECK_HEADERS([xenstore.h])
AC_CHECK_HEADERS([xen/xen.h xen/version.h xen/dom0_ops.h],,[
if test "$with_xen" = "yes"; then
fail=1
fi
with_xen=no
],
[#include <stdio.h>
#include <stdint.h>
])
fi
if test "$with_xen" != "no" ; then
dnl Search for the location of <xen/{linux,sys}/privcmd.h>.
found=
AC_CHECK_HEADERS([xen/sys/privcmd.h xen/linux/privcmd.h], [found=yes; break;], [],
[#include <stdio.h>
#include <stdint.h>
#include <xen/xen.h>
])
if test "x$found" != "xyes"; then
if test "$with_xen" = "yes"; then
fail=1
fi
with_xen=no
fi
fi
LIBS="$old_LIBS"
CFLAGS="$old_CFLAGS"
if test $fail = 1; then
AC_MSG_ERROR([You must install the Xen development package to compile Xen driver with -lxenstore])
fi
if test "$with_xen" = "yes"; then
AC_DEFINE_UNQUOTED([WITH_XEN], 1, [whether Xen driver is enabled])
fi
AM_CONDITIONAL([WITH_XEN], [test "$with_xen" = "yes"])
AC_SUBST([XEN_CFLAGS])
AC_SUBST([XEN_LIBS])
dnl
dnl check for kernel headers required by xen_inotify
dnl
if test "$with_xen" != "yes"; then
with_xen_inotify=no
fi
if test "$with_xen_inotify" != "no"; then
AC_CHECK_HEADER([sys/inotify.h], [
with_xen_inotify=yes
], [
if test "$with_xen_inotify" = "check"; then
with_xen_inotify=no
AC_MSG_NOTICE([Header file <sys/inotify.h> is required for Xen Inotify support, disabling it])
else
AC_MSG_ERROR([Header file <sys/inotify.h> is required for Xen Inotify support!])
fi
0])
fi
if test "$with_xen_inotify" = "yes"; then
AC_DEFINE_UNQUOTED([WITH_XEN_INOTIFY], 1, [whether Xen inotify sub-driver is enabled])
fi
AM_CONDITIONAL([WITH_XEN_INOTIFY], [test "$with_xen_inotify" = "yes"])
])
AC_DEFUN([LIBVIRT_RESULT_XEN], [
LIBVIRT_RESULT_LIB([XEN])
])
AC_DEFUN([LIBVIRT_DRIVER_RESULT_XEN], [
LIBVIRT_RESULT([XEN], [$with_xen])
])