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5433ec02ad
Commit 596fc3e389 introduced the ability to detect xenstore
using pkg-config for systems with Xen 4.9, but accidentally broke
detection for all other systems. Fix the logic so that it works
in all cases.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
143 lines
4.1 KiB
Plaintext
143 lines
4.1 KiB
Plaintext
dnl The XEN driver
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dnl
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dnl Copyright (C) 2016 Red Hat, Inc.
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dnl
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dnl This library is free software; you can redistribute it and/or
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dnl modify it under the terms of the GNU Lesser General Public
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dnl License as published by the Free Software Foundation; either
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dnl version 2.1 of the License, or (at your option) any later version.
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dnl
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dnl This library is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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dnl Lesser General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU Lesser General Public
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dnl License along with this library. If not, see
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dnl <http://www.gnu.org/licenses/>.
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dnl
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AC_DEFUN([LIBVIRT_DRIVER_ARG_XEN], [
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LIBVIRT_ARG_WITH_FEATURE([XEN], [XEN], [check])
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LIBVIRT_ARG_WITH_FEATURE([XEN_INOTIFY], [XEN inotify], [check])
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])
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AC_DEFUN([LIBVIRT_DRIVER_CHECK_XEN], [
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old_LIBS="$LIBS"
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old_CFLAGS="$CFLAGS"
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XEN_LIBS=""
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XEN_CFLAGS=""
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fail=0
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dnl search for the Xen store library
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dnl Either use the provided path, or make use of pkgconfig
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dnl Xen versions prior 4.9 had no pkgconfig file
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if test "$with_xen" != "no" ; then
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xen_path_provided="no"
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if test "$with_xen" != "yes" && test "$with_xen" != "check" ; then
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XEN_CFLAGS="-I$with_xen/include"
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XEN_LIBS="-L$with_xen/lib64 -L$with_xen/lib"
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xen_path_provided="yes"
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fi
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if test "$xen_path_provided" = "no" ; then
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PKG_CHECK_MODULES([XEN], [xenstore], [
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with_xen=yes
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], [
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fail=1
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])
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fi
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dnl manual check if either path was provided or pkgconfig does not exist
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if test "$xen_path_provided" = "yes" || test "$fail" = 1 ; then
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CFLAGS="$CFLAGS $XEN_CFLAGS"
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LIBS="$LIBS $XEN_LIBS"
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fail=0
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AC_CHECK_LIB([xenstore], [xs_read], [
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with_xen=yes
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XEN_LIBS="$XEN_LIBS -lxenstore"
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],[
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if test "$with_xen" = "yes"; then
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fail=1
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fi
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with_xen=no
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])
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fi
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fi
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if test "$with_xen" != "no" ; then
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dnl In Xen 4.2, xs.h is deprecated in favor of xenstore.h.
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AC_CHECK_HEADERS([xenstore.h])
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AC_CHECK_HEADERS([xen/xen.h xen/version.h xen/dom0_ops.h],,[
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if test "$with_xen" = "yes"; then
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fail=1
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fi
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with_xen=no
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],
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[#include <stdio.h>
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#include <stdint.h>
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])
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fi
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if test "$with_xen" != "no" ; then
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dnl Search for the location of <xen/{linux,sys}/privcmd.h>.
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found=
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AC_CHECK_HEADERS([xen/sys/privcmd.h xen/linux/privcmd.h], [found=yes; break;], [],
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[#include <stdio.h>
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#include <stdint.h>
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#include <xen/xen.h>
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])
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if test "x$found" != "xyes"; then
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if test "$with_xen" = "yes"; then
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fail=1
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fi
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with_xen=no
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fi
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fi
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LIBS="$old_LIBS"
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CFLAGS="$old_CFLAGS"
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if test $fail = 1; then
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AC_MSG_ERROR([You must install the Xen development package to compile Xen driver with -lxenstore])
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fi
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if test "$with_xen" = "yes"; then
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AC_DEFINE_UNQUOTED([WITH_XEN], 1, [whether Xen driver is enabled])
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fi
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AM_CONDITIONAL([WITH_XEN], [test "$with_xen" = "yes"])
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AC_SUBST([XEN_CFLAGS])
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AC_SUBST([XEN_LIBS])
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dnl
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dnl check for kernel headers required by xen_inotify
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dnl
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if test "$with_xen" != "yes"; then
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with_xen_inotify=no
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fi
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if test "$with_xen_inotify" != "no"; then
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AC_CHECK_HEADER([sys/inotify.h], [
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with_xen_inotify=yes
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], [
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if test "$with_xen_inotify" = "check"; then
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with_xen_inotify=no
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AC_MSG_NOTICE([Header file <sys/inotify.h> is required for Xen Inotify support, disabling it])
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else
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AC_MSG_ERROR([Header file <sys/inotify.h> is required for Xen Inotify support!])
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fi
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0])
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fi
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if test "$with_xen_inotify" = "yes"; then
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AC_DEFINE_UNQUOTED([WITH_XEN_INOTIFY], 1, [whether Xen inotify sub-driver is enabled])
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fi
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AM_CONDITIONAL([WITH_XEN_INOTIFY], [test "$with_xen_inotify" = "yes"])
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])
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AC_DEFUN([LIBVIRT_RESULT_XEN], [
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LIBVIRT_RESULT_LIB([XEN])
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])
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AC_DEFUN([LIBVIRT_DRIVER_RESULT_XEN], [
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LIBVIRT_RESULT([XEN], [$with_xen])
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])
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