add cmake build option to build openssl async
This code is orignally in automake, but it is missing in cmake.
Thus add it to make openssl async work in cmake build system
# 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()
