Convert sanlock check to use LIBVIRT_CHECK_LIB

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>

m4/virt-sanlock.m4

@@ -0,0 +1,56 @@
+dnl The libsanlock_client.so library
+dnl
+dnl Copyright (C) 2012-2013 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_CHECK_SANLOCK],[
+  LIBVIRT_CHECK_LIB([SANLOCK], [sanlock_client], [sanlock_init], [sanlock.h])
+
+  if test "x$with_sanlock" = "xyes" ; then
+    AC_CHECK_DECLS([SANLK_INQ_WAIT], [sanlock_inq_wait=1], [sanlock_inq_wait=0], [[
+      #include <stdint.h>
+      #include <sanlock_admin.h>
+    ]])
+
+    old_cppflags="$CPPFLAGS"
+    old_libs="$LIBS"
+    CPPFLAGS="$CPPFLAGS $SANLOCK_CFLAGS"
+    LIBS="$LIBS $SANLOCK_LIBS"
+
+    AC_CHECK_LIB([sanlock_client], [sanlock_killpath],
+                 [sanlock_killpath=yes], [sanlock_killpath=no])
+    if test "x$sanlock_killpath" = "xyes" ; then
+      AC_DEFINE_UNQUOTED([HAVE_SANLOCK_KILLPATH], 1,
+        [whether Sanlock supports sanlock_killpath])
+    fi
+
+    AC_CHECK_LIB([sanlock_client], [sanlock_inq_lockspace],
+               [sanlock_inq_lockspace=yes], [sanlock_inq_lockspace=no])
+    if test "x$sanlock_inq_lockspace" = "xyes" && \
+       test $sanlock_inq_wait = 1; then
+      AC_DEFINE_UNQUOTED([HAVE_SANLOCK_INQ_LOCKSPACE], 1,
+        [whether sanlock supports sanlock_inq_lockspace])
+    fi
+
+    CPPFLAGS="$old_cppflags"
+    LIBS="$old_libs"
+  fi
+])
+
+AC_DEFUN([LIBVIRT_RESULT_SANLOCK],[
+  LIBVIRT_RESULT_LIB([SANLOCK])
+])