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-rw-r--r--acinclude.m42
1 files changed, 2 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4
index 59c0c7453..e89e0e9f6 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -57,6 +57,8 @@ AC_DEFUN([OVS_CHECK_LINUX], [
elif test X"$with_l26_source" != X; then
KSRC=$with_l26_source
AC_MSG_WARN([--with-l26-source is deprecated, please use --with-linux-source instead])
+ else
+ KSRC=
fi
elif test X"$with_linux_source" != X || test X"$with_l26_source" != X; then
AC_MSG_ERROR([Linux source directory may not be specified without Linux build directory])