configure: move SELinux secdriver check into its own file

Signed-off-by: NPavel Hrdina <phrdina@redhat.com>

configure.ac

@@ -536,40 +536,9 @@ dnl Need to test if pkg-config exists
 PKG_PROG_PKG_CONFIG
 
 
-LIBVIRT_ARG_WITH_ALT([SECDRIVER_SELINUX], [use SELinux security driver], [check])
-
-if test "$with_selinux" != "yes" ; then
-  if test "$with_secdriver_selinux" = "check" ; then
-    with_secdriver_selinux=no
-  fi
-  if test "$with_secdriver_selinux" != "no"; then
-        AC_MSG_ERROR([You must install the libselinux development package and enable SELinux with the --with-selinux=yes in order to compile libvirt --with-secdriver-selinux=yes])
-  fi
-elif test "$with_secdriver_selinux" != "no"; then
-  old_CFLAGS="$CFLAGS"
-  old_LIBS="$LIBS"
-  CFLAGS="$CFLAGS $SELINUX_CFLAGS"
-  LIBS="$CFLAGS $SELINUX_LIBS"
-
-  fail=0
-  AC_CHECK_FUNC([selinux_virtual_domain_context_path], [], [fail=1])
-  AC_CHECK_FUNC([selinux_virtual_image_context_path], [], [fail=1])
-  AC_CHECK_FUNCS([selinux_lxc_contexts_path])
-  CFLAGS="$old_CFLAGS"
-  LIBS="$old_LIBS"
-
-  if test "$fail" = "1" ; then
-    if test "$with_secdriver_selinux" = "check" ; then
-      with_secdriver_selinux=no
-    else
-      AC_MSG_ERROR([You must install libselinux development package >= 2.0.82 in order to compile libvirt --with-secdriver-selinux=yes])
-    fi
-  else
-    with_secdriver_selinux=yes
-    AC_DEFINE_UNQUOTED([WITH_SECDRIVER_SELINUX], 1, [whether SELinux security driver is available])
-  fi
-fi
-AM_CONDITIONAL([WITH_SECDRIVER_SELINUX], [test "$with_secdriver_selinux" != "no"])
+dnl Security driver checks
+LIBVIRT_SECDRIVER_ARG_SELINUX
+LIBVIRT_SECDRIVER_CHECK_SELINUX
 
 
 LIBVIRT_ARG_WITH_ALT([SECDRIVER_APPARMOR], [use AppArmor security driver], [check])
@@ -1252,7 +1221,7 @@ AC_MSG_NOTICE([     ZFS: $with_storage_zfs])
 AC_MSG_NOTICE([])
 AC_MSG_NOTICE([Security Drivers])
 AC_MSG_NOTICE([])
-AC_MSG_NOTICE([ SELinux: $with_secdriver_selinux ($SELINUX_MOUNT)])
+LIBVIRT_SECDRIVER_RESULT_SELINUX
 AC_MSG_NOTICE([AppArmor: $with_secdriver_apparmor (install profiles: $with_apparmor_profiles)])
 AC_MSG_NOTICE([])
 AC_MSG_NOTICE([Driver Loadable Modules])

m4/virt-secdriver-selinux.m4

+dnl The SElinux security driver
+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_SECDRIVER_ARG_SELINUX], [
+  LIBVIRT_ARG_WITH_ALT([SECDRIVER_SELINUX], [use SELinux security driver], [check])
+])
+
+AC_DEFUN([LIBVIRT_SECDRIVER_CHECK_SELINUX], [
+  AC_REQUIRE([LIBVIRT_CHECK_SELINUX])
+
+  if test "$with_selinux" != "yes" ; then
+    if test "$with_secdriver_selinux" = "check" ; then
+      with_secdriver_selinux=no
+    fi
+    if test "$with_secdriver_selinux" != "no"; then
+      AC_MSG_ERROR([You must install the libselinux development package and enable SELinux with the --with-selinux=yes in order to compile libvirt --with-secdriver-selinux=yes])
+    fi
+  elif test "$with_secdriver_selinux" != "no"; then
+    old_CFLAGS="$CFLAGS"
+    old_LIBS="$LIBS"
+    CFLAGS="$CFLAGS $SELINUX_CFLAGS"
+    LIBS="$CFLAGS $SELINUX_LIBS"
+
+    fail=0
+    AC_CHECK_FUNC([selinux_virtual_domain_context_path], [], [fail=1])
+    AC_CHECK_FUNC([selinux_virtual_image_context_path], [], [fail=1])
+    AC_CHECK_FUNCS([selinux_lxc_contexts_path])
+    CFLAGS="$old_CFLAGS"
+    LIBS="$old_LIBS"
+
+    if test "$fail" = "1" ; then
+      if test "$with_secdriver_selinux" = "check" ; then
+        with_secdriver_selinux=no
+      else
+        AC_MSG_ERROR([You must install libselinux development package >= 2.0.82 in order to compile libvirt --with-secdriver-selinux=yes])
+      fi
+    else
+      with_secdriver_selinux=yes
+      AC_DEFINE_UNQUOTED([WITH_SECDRIVER_SELINUX], 1, [whether SELinux security driver is available])
+    fi
+  fi
+  AM_CONDITIONAL([WITH_SECDRIVER_SELINUX], [test "$with_secdriver_selinux" != "no"])
+])
+
+AC_DEFUN([LIBVIRT_SECDRIVER_RESULT_SELINUX], [
+  LIBVIRT_RESULT([SELinux], [$with_secdriver_selinux])
+])