ovs-vsctl: Fix minor memory leak in add_port().

[openvswitch] / m4 / openvswitch.m4

diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4
index b7267438c97127448cea3506ff7505003fea5fd1..ceb10732cfff22f1d0d118ed5c4cf150b9933a56 100644 (file)
--- a/m4/openvswitch.m4
+++ b/m4/openvswitch.m4
@@ -236,8 +236,7 @@ AC_DEFUN([OVS_CHECK_PCRE],
 
 dnl Checks for Python 2.x, x >= 4.
 AC_DEFUN([OVS_CHECK_PYTHON],
-  [AC_ARG_VAR([PYTHON], [path to Python 2.x])
-   AC_CACHE_CHECK(
+  [AC_CACHE_CHECK(
      [for Python 2.x for x >= 4],
      [ovs_cv_python],
      [if test -n "$PYTHON"; then
@@ -260,4 +259,7 @@ else:
           done
         done
       fi])
-   PYTHON=$ovs_cv_python])
+   AM_MISSING_PROG([PYTHON], [python])
+   if test $ovs_cv_python != no; then
+     PYTHON=$ovs_cv_python
+   fi])