https://github.com/mysql/mysql-connector-cpp/pull/33

From d4db68edf0c475d26758a2eaf68b1858444c8e2d Mon Sep 17 00:00:00 2001
From: Sam James <sam@gentoo.org>
Date: Sun, 9 Apr 2023 04:07:59 +0100
Subject: [PATCH] cdk: Use cmake's FindOpenSSL, not custom FindSSL module

This avoids issues with detecting the version number with LibreSSL and also
futureproofs mysql for future versions of OpenSSL.

diff --git a/cdk/CMakeLists.txt b/cdk/CMakeLists.txt
index 4fa43201d..59c96a3cd 100644
--- a/cdk/CMakeLists.txt
+++ b/cdk/CMakeLists.txt
@@ -93,7 +93,7 @@ add_config(CDK_BIG_ENDIAN ${BIG_ENDIAN})
 #  Dependencies
 #
 
-find_dependency(SSL)
+find_package(OpenSSL)
 #find_dependency(Protobuf)
 find_dependency(RapidJSON)
 find_dependency(Coverage)
diff --git a/cdk/foundation/CMakeLists.txt b/cdk/foundation/CMakeLists.txt
index 0982d1c82..e0e3ed5f2 100644
--- a/cdk/foundation/CMakeLists.txt
+++ b/cdk/foundation/CMakeLists.txt
@@ -90,7 +90,7 @@ target_include_directories(cdk_foundation PUBLIC
 
 target_link_libraries(cdk_foundation
   PUBLIC RapidJSON::rapidjson
-  PRIVATE SSL::ssl
+  PRIVATE OpenSSL::SSL
 )
 
 IF(WIN32)
diff --git a/cdk/mysqlx/CMakeLists.txt b/cdk/mysqlx/CMakeLists.txt
index 246874ffb..89fb26844 100644
--- a/cdk/mysqlx/CMakeLists.txt
+++ b/cdk/mysqlx/CMakeLists.txt
@@ -51,7 +51,7 @@ ADD_LIBRARY(cdk_mysqlx STATIC
 target_link_libraries(cdk_mysqlx PUBLIC cdk_proto_mysqlx cdk_foundation)
 
 # this is used by auth_hash.cc
-target_link_libraries(cdk_mysqlx PRIVATE SSL::ssl)
+target_link_libraries(cdk_mysqlx PRIVATE OpenSSL::SSL)
 
 ADD_COVERAGE(cdk_mysqlx)