Using normal MySQL headers

CMakeLists.txt

@@ -196,6 +196,7 @@ target_link_libraries(TeaSpeak PUBLIC
         threadpool::static jsoncpp_lib
         tomcrypt::static
         tommath::static
+        dl
 )
 
 target_compile_options(TeaSpeak PRIVATE "-Wall" "-DHAVE_MYSQL_H")

src/sql/mysql/MySQL.cpp

@@ -7,6 +7,11 @@
 #include <memory>
 #include <utility>
 
+#ifndef CR_CONNECTION_ERROR
+    #define CR_CONNECTION_ERROR     (2002)
+    #define CR_SERVER_GONE_ERROR    (2006)
+    #define CR_SERVER_LOST          (2013)
+#endif
 using namespace std;
 using namespace sql;
 using namespace sql::mysql;