configure: move DTrace check to its own file

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

diff --git a/configure.ac b/configure.ac
index 526bbbdeace251a546377dc3b7343a1f28d6a431..d4d5a5c84ad9e67611c8cc0a015b485e85ee555f 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -959,25 +959,8 @@ if test "$with_apparmor" = "no"; then
 fi
 AM_CONDITIONAL([WITH_APPARMOR_PROFILES], [test "$with_apparmor_profiles" != "no"])
 
-dnl DTrace static probes
-LIBVIRT_ARG_WITH_ALT([DTRACE], [use dtrace for static probing], [check])
-
-if test "$with_dtrace" != "no" ; then
-  AC_PATH_PROG([DTRACE], [dtrace], [], [$LIBVIRT_SBIN_PATH])
-  if test -z "$DTRACE" ; then
-    if test "$with_dtrace" = "check"; then
-      with_dtrace=no
-    else
-      AC_MSG_ERROR([You must install the 'dtrace' binary to enable libvirt static probes])
-    fi
-  else
-    with_dtrace=yes
-  fi
-  if test "$with_dtrace" = "yes"; then
-    AC_DEFINE_UNQUOTED([WITH_DTRACE_PROBES], 1, [whether DTrace static probes are available])
-  fi
-fi
-AM_CONDITIONAL([WITH_DTRACE_PROBES], [test "$with_dtrace" != "no"])
+LIBVIRT_ARG_DTRACE
+LIBVIRT_CHECK_DTRACE
 
 
 dnl numad
@@ -1932,7 +1915,7 @@ AC_MSG_NOTICE([])
 AC_MSG_NOTICE([             Debug: $enable_debug])
 AC_MSG_NOTICE([       Use -Werror: $enable_werror])
 AC_MSG_NOTICE([     Warning Flags: $WARN_CFLAGS])
-AC_MSG_NOTICE([            DTrace: $with_dtrace])
+LIBVIRT_RESULT_DTRACE
 AC_MSG_NOTICE([             numad: $with_numad])
 AC_MSG_NOTICE([       XML Catalog: $with_xml_catalog_file])
 LIBVIRT_RESULT_INIT_SCRIPT

diff --git a/m4/virt-dtrace.m4 b/m4/virt-dtrace.m4
new file mode 100644 (file)
index 0000000..6dee416
--- /dev/null
+++ b/m4/virt-dtrace.m4
@@ -0,0 +1,45 @@
+dnl The DTrace static probes
+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_DTRACE], [
+  LIBVIRT_ARG_WITH_ALT([DTRACE], [use dtrace for static probing], [check])
+])
+
+AC_DEFUN([LIBVIRT_CHECK_DTRACE], [
+  if test "$with_dtrace" != "no" ; then
+    AC_PATH_PROG([DTRACE], [dtrace], [], [$LIBVIRT_SBIN_PATH])
+    if test -z "$DTRACE" ; then
+      if test "$with_dtrace" = "check"; then
+        with_dtrace=no
+      else
+        AC_MSG_ERROR([You must install the 'dtrace' binary to enable libvirt static probes])
+      fi
+    else
+      with_dtrace=yes
+    fi
+    if test "$with_dtrace" = "yes"; then
+      AC_DEFINE_UNQUOTED([WITH_DTRACE_PROBES], 1, [whether DTrace static probes are available])
+    fi
+  fi
+  AM_CONDITIONAL([WITH_DTRACE_PROBES], [test "$with_dtrace" != "no"])
+])
+
+AC_DEFUN([LIBVIRT_RESULT_DTRACE], [
+  AC_MSG_NOTICE([            DTrace: $with_dtrace])
+])