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libvirt/m4/virt-driver-libxl.m4
Ján Tomko 215b5daf43 m4: libxl: properly fail when libxl is required
We specify "true" as the fail-action for LIBVIRT_CHECK_PKG.

This was used when we had a fallback to non-pkg-config detection,
then removed in commit 5bdcef13d1
later re-introduced in commit dc3d2c9f8c
and then left in when removing the old detection again in
commit 18981877d2

Remove it to properly error out when libxl was requested but not
detected.

Signed-off-by: Ján Tomko <jtomko@redhat.com>
Fixes: 18981877d2
Reviewed-by: Andrea Bolognani <abologna@redhat.com>
2020-02-20 22:30:45 +01:00

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dnl The libxl 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_LIBXL], [
LIBVIRT_ARG_WITH_FEATURE([LIBXL], [libxenlight], [check])
])
AC_DEFUN([LIBVIRT_DRIVER_CHECK_LIBXL], [
LIBXL_LIBS=""
LIBXL_CFLAGS=""
LIBXL_FIRMWARE_DIR=""
LIBXL_EXECBIN_DIR=""
LIBXL_API_VERSION="-DLIBXL_API_VERSION=0x040500"
dnl search for libxl, aka libxenlight
old_with_libxl="$with_libxl"
LIBVIRT_CHECK_PKG([LIBXL], [xenlight], [4.6.0])
if test "x$with_libxl" = "xyes" ; then
LIBXL_FIRMWARE_DIR=$($PKG_CONFIG --variable xenfirmwaredir xenlight)
LIBXL_EXECBIN_DIR=$($PKG_CONFIG --variable libexec_bin xenlight)
fi
if test "$with_libxl" = "yes"; then
LIBXL_CFLAGS="$LIBXL_CFLAGS $LIBXL_API_VERSION"
dnl If building with libxl, use the libxl utility header and lib too
AC_CHECK_HEADERS([libxlutil.h])
LIBXL_LIBS="$LIBXL_LIBS -lxlutil"
if test "x$LIBXL_FIRMWARE_DIR" != "x"; then
AC_DEFINE_UNQUOTED([LIBXL_FIRMWARE_DIR], ["$LIBXL_FIRMWARE_DIR"], [directory containing Xen firmware blobs])
fi
if test "x$LIBXL_EXECBIN_DIR" != "x"; then
AC_DEFINE_UNQUOTED([LIBXL_EXECBIN_DIR], ["$LIBXL_EXECBIN_DIR"], [directory containing Xen libexec binaries])
fi
dnl Check if the xtl_* infrastructure is in libxentoollog
dnl (since Xen 4.7) if not then assume it is in libxenctrl
dnl (as it was for 4.6 and earler)
AC_CHECK_LIB([xentoollog], [xtl_createlogger_stdiostream], [
LIBXL_LIBS="$LIBXL_LIBS -lxenstore -lxentoollog"
],[
LIBXL_LIBS="$LIBXL_LIBS -lxenstore -lxenctrl"
])
fi
dnl Check if Xen has support for PVH
AC_CHECK_DECL(LIBXL_DOMAIN_TYPE_PVH, [AC_DEFINE([HAVE_XEN_PVH], [1], [Define to 1 if Xen has PVH support.])], [], [#include <libxl.h>])
AC_SUBST([LIBXL_CFLAGS])
AC_SUBST([LIBXL_LIBS])
])
AC_DEFUN([LIBVIRT_RESULT_LIBXL], [
LIBVIRT_RESULT_LIB([LIBXL])
])
AC_DEFUN([LIBVIRT_DRIVER_RESULT_LIBXL], [
LIBVIRT_RESULT([libxl], [$with_libxl])
])