[libvirt PATCH 054/351] meson: add macvtap build option

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Signed-off-by: Pavel Hrdina <phrdina@xxxxxxxxxx>
---
 configure.ac       |  3 ---
 m4/virt-macvtap.m4 | 56 ----------------------------------------------
 meson.build        | 20 +++++++++++++++++
 meson_options.txt  |  1 +
 4 files changed, 21 insertions(+), 59 deletions(-)
 delete mode 100644 m4/virt-macvtap.m4

diff --git a/configure.ac b/configure.ac
index b74cb72db4a..456e60e62bc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -113,7 +113,6 @@ fi
 LIBVIRT_ARG_LIBPCAP
 LIBVIRT_ARG_LIBSSH
 LIBVIRT_ARG_LIBXML
-LIBVIRT_ARG_MACVTAP
 LIBVIRT_ARG_NETCF
 LIBVIRT_ARG_NLS
 LIBVIRT_ARG_NSS
@@ -136,7 +135,6 @@ LIBVIRT_CHECK_LIBPARTED
 LIBVIRT_CHECK_LIBPCAP
 LIBVIRT_CHECK_LIBSSH
 LIBVIRT_CHECK_LIBXML
-LIBVIRT_CHECK_MACVTAP
 LIBVIRT_CHECK_NETCF
 LIBVIRT_CHECK_NLS
 LIBVIRT_CHECK_NUMACTL
@@ -439,7 +437,6 @@ LIBVIRT_RESULT_LIBPCAP
 LIBVIRT_RESULT_LIBSSH
 LIBVIRT_RESULT_LIBXL
 LIBVIRT_RESULT_LIBXML
-LIBVIRT_RESULT_MACVTAP
 LIBVIRT_RESULT_NETCF
 LIBVIRT_RESULT_NLS
 LIBVIRT_RESULT_NSS
diff --git a/m4/virt-macvtap.m4 b/m4/virt-macvtap.m4
deleted file mode 100644
index c5da96ecf2f..00000000000
--- a/m4/virt-macvtap.m4
+++ /dev/null
@@ -1,56 +0,0 @@
-dnl The macvtap support
-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_ARG_MACVTAP], [
-  LIBVIRT_ARG_WITH([MACVTAP], [enable macvtap device], [check])
-])
-
-AC_DEFUN([LIBVIRT_CHECK_MACVTAP], [
-  AC_MSG_CHECKING([whether to compile with macvtap support])
-  if test "$with_macvtap" != "no" ; then
-    AC_TRY_COMPILE([ #include <sys/socket.h>
-                     #include <linux/rtnetlink.h> ],
-                   [ int x = MACVLAN_MODE_BRIDGE;
-                     int y = IFLA_VF_MAX; ],
-                   [ with_macvtap=yes ],
-                   [ if test "$with_macvtap" = "yes" ; then
-                       AC_MSG_ERROR([Installed linux headers don't show support for macvtap device.])
-                     fi
-                     with_macvtap=no ])
-    if test "$with_macvtap" = "yes" ; then
-      val=1
-    else
-      val=0
-    fi
-    AC_DEFINE_UNQUOTED([WITH_MACVTAP], $val, [whether macvtap support is enabled])
-  fi
-  AM_CONDITIONAL([WITH_MACVTAP], [test "$with_macvtap" = "yes"])
-  AC_MSG_RESULT([$with_macvtap])
-
-  if test "$with_macvtap" = yes; then
-    AC_CHECK_DECLS([MACVLAN_MODE_PASSTHRU], [], [], [[
-      #include <sys/socket.h>
-      #include <linux/if_link.h>
-    ]])
-  fi
-])
-
-AC_DEFUN([LIBVIRT_RESULT_MACVTAP], [
-  LIBVIRT_RESULT_LIB([MACVTAP])
-])
diff --git a/meson.build b/meson.build
index 9d43be1375c..ce3dbca83e0 100644
--- a/meson.build
+++ b/meson.build
@@ -1068,6 +1068,25 @@ endif
 libiscsi_version = '1.18.0'
 libiscsi_dep = dependency('libiscsi', version: '>=' + libiscsi_version, required: get_option('libiscsi'))
 
+use_macvtap = false
+if not get_option('macvtap').disabled()
+  if (cc.has_header_symbol('linux/if_link.h', 'MACVLAN_MODE_BRIDGE') and
+      cc.has_header_symbol('linux/if_link.h', 'IFLA_VF_MAX'))
+    use_macvtap = true
+  endif
+
+  if get_option('macvtap').enabled() and not use_macvtap
+    error('Installed linux headers don\'t show support for macvtap device.')
+  endif
+endif
+if use_macvtap
+  conf.set('WITH_MACVTAP', 1)
+
+  if cc.has_header_symbol('linux/if_link.h', 'MACVLAN_MODE_PASSTHRU')
+    conf.set('HAVE_DECL_MACVLAN_MODE_PASSTHRU', 1)
+  endif
+endif
+
 # readline 7.0 is the first version which includes pkg-config support
 readline_version = '7.0'
 readline_dep = dependency('readline', version: '>=' + readline_version, required: false)
@@ -1209,6 +1228,7 @@ libs_summary = {
   'gnutls': gnutls_dep.found(),
   'hal': hal_dep.found(),
   'libiscsi': libiscsi_dep.found(),
+  'macvtap': conf.has('WITH_MACVTAP'),
   'readline': readline_dep.found(),
 }
 summary(libs_summary, section: 'Libraries', bool_yn: true)
diff --git a/meson_options.txt b/meson_options.txt
index c06e6ee9256..44e756bdcf3 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -24,4 +24,5 @@ option('fuse', type: 'feature', value: 'auto', description: 'fuse support')
 option('glusterfs', type: 'feature', value: 'auto', description: 'glusterfs support')
 option('hal', type: 'feature', value: 'auto', description: 'hal support')
 option('libiscsi', type: 'feature', value: 'auto', description: 'libiscsi support')
+option('macvtap', type: 'feature', value: 'auto', description: 'enable macvtap device')
 option('readline', type: 'feature', value: 'auto', description: 'readline support')
-- 
2.26.2




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