diff options
| -rw-r--r-- | m4/openvswitch.m4 | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4 index 73db4bba..e9edc490 100644 --- a/m4/openvswitch.m4 +++ b/m4/openvswitch.m4 @@ -92,8 +92,7 @@ AC_DEFUN([OVS_CHECK_OPENSSL], [ssl=check]) if test "$ssl" != false; then - dnl Make sure that pkg-config is installed. - m4_pattern_forbid([PKG_CHECK_MODULES]) + m4_ifndef([PKG_CHECK_MODULES], [m4_fatal([Please install pkg-config.])]) PKG_CHECK_MODULES([SSL], [openssl], [HAVE_OPENSSL=yes], [HAVE_OPENSSL=no |