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82 lines
2.9 KiB
Plaintext
82 lines
2.9 KiB
Plaintext
dnl The libnl library
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dnl
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dnl Copyright (C) 2012-2013 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_CHECK_LIBNL], [
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AC_REQUIRE([LIBVIRT_CHECK_NETCF])
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AC_REQUIRE([LIBVIRT_CHECK_MACVTAP])
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LIBNL_REQUIRED="1.1"
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with_libnl=no
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if test "$with_linux" = "yes"; then
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# When linking with netcf, we must ensure that we pick the same version
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# of libnl that netcf picked. Prefer libnl-3 unless we can prove
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# netcf linked against libnl-1, or unless the user set LIBNL_CFLAGS.
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# (Setting LIBNL_CFLAGS is already used by PKG_CHECK_MODULES to
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# override any probing, so if it set, you know which libnl is in use.)
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libnl_ldd=
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for dir in /usr/lib64 /usr/lib /usr/lib/*-linux-gnu*; do
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if test -f $dir/libnetcf.so; then
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libnl_ldd=`(ldd $dir/libnetcf.so) 2>&1`
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break
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fi
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done
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case $libnl_ldd:${LIBNL_CFLAGS+set} in
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*libnl-3.so.*:) LIBNL_REQUIRED=3.0 ;;
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esac
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case $libnl_ldd:${LIBNL_CFLAGS+set} in
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*libnl.so.1*:) ;;
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*)
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PKG_CHECK_MODULES([LIBNL], [libnl-3.0], [
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with_libnl=yes
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AC_DEFINE([HAVE_LIBNL3], [1], [Use libnl-3.0])
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AC_DEFINE([HAVE_LIBNL], [1], [whether the netlink library is available])
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PKG_CHECK_MODULES([LIBNL_ROUTE3], [libnl-route-3.0])
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LIBNL_CFLAGS="$LIBNL_CFLAGS $LIBNL_ROUTE3_CFLAGS"
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LIBNL_LIBS="$LIBNL_LIBS $LIBNL_ROUTE3_LIBS"
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], [:]) ;;
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esac
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if test "$with_libnl" = no; then
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PKG_CHECK_MODULES([LIBNL], [libnl-1 >= $LIBNL_REQUIRED], [
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with_libnl=yes
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AC_DEFINE_UNQUOTED([HAVE_LIBNL], [1],
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[whether the netlink library is available])
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AC_DEFINE_UNQUOTED([HAVE_LIBNL1], [1],
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[whether the netlink v1 library is available])
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], [
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if test "$with_macvtap" = "yes"; then
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if test "$LIBNL_REQUIRED" = "3.0";then
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AC_MSG_ERROR([libnl3-devel >= $LIBNL_REQUIRED is required for macvtap support])
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else
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AC_MSG_ERROR([libnl-devel >= $LIBNL_REQUIRED is required for macvtap support])
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fi
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fi
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])
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fi
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fi
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AM_CONDITIONAL([HAVE_LIBNL], [test "$with_libnl" = "yes"])
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AC_SUBST([LIBNL_CFLAGS])
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AC_SUBST([LIBNL_LIBS])
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])
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AC_DEFUN([LIBVIRT_RESULT_LIBNL], [
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LIBVIRT_RESULT_LIB([LIBNL])
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])
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