Enable warnings as errors

cpp-jwt: supress OpenSSL deprecation warnings

src/CMakeLists.txt

@@ -102,6 +102,10 @@ else()
         -Wno-attributes
     )
 
+    if (CITRA_WARNINGS_AS_ERRORS)
+        add_compile_options(-Werror)
+    endif()
+
     if (APPLE AND CMAKE_CXX_COMPILER_ID STREQUAL Clang)
         add_compile_options("-stdlib=libc++")
     endif()