X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=src%2Fplugins%2Ftlsopenssl%2FCMakeLists.txt;h=ad34cfaa90d6ca7881a7b19e06e71597b2e5a2ea;hb=7d7b8c6dd7dc7a3efa89bb7b7c34742939b225fd;hp=609be90704016561f11bd8fea38d6f0a3c08ef8a;hpb=258c2f6c6339d5261d3b4edc9197cbbf9157378e;p=vpp.git

diff --git a/src/plugins/tlsopenssl/CMakeLists.txt b/src/plugins/tlsopenssl/CMakeLists.txt
index 609be907040..ad34cfaa90d 100644
--- a/src/plugins/tlsopenssl/CMakeLists.txt
+++ b/src/plugins/tlsopenssl/CMakeLists.txt
@@ -11,6 +11,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+include (CheckFunctionExists)
 if(OPENSSL_FOUND)
   include_directories(${OPENSSL_INCLUDE_DIR})
   add_vpp_plugin(tlsopenssl
@@ -21,5 +22,15 @@ if(OPENSSL_FOUND)
     LINK_LIBRARIES
     ${OPENSSL_LIBRARIES}
   )
+
+  set(CMAKE_REQUIRED_INCLUDES "${OPENSSL_INCLUDE_DIR}")
+  set(CMAKE_REQUIRED_LIBRARIES "${OPENSSL_LIBRARIES}")
+  check_function_exists(SSL_set_async_callback HAVE_OPENSSL_ASYNC)
+
+  if (HAVE_OPENSSL_ASYNC)
+    add_definitions(-DHAVE_OPENSSL_ASYNC)
+  endif()
+
+
 endif()