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e64f2fab92
LIBVIRT_ARG_WITH_ALT is more generic than LIBVIRT_ARG_WITH, which is tailored at switching features on and off. Rename the macros according to their intended purpose, and add some documentation to help developers pick between the two.
127 lines
3.6 KiB
Plaintext
127 lines
3.6 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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dnl search for the Xen store library
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if test "$with_xen" != "no" ; then
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if test "$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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fi
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fail=0
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CFLAGS="$CFLAGS $XEN_CFLAGS"
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LIBS="$LIBS $XEN_LIBS"
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AC_CHECK_LIB([xenstore], [xs_read], [
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with_xen=yes
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XEN_LIBS="$XEN_LIBS -lxenstore"
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],[
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if test "$with_xen" = "yes"; then
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fail=1
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fi
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with_xen=no
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])
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fi
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if test "$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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