allow to disable exceptions and RTTI manually

CMakeLists.txt

@@ -3,7 +3,11 @@ cmake_minimum_required(VERSION 3.21 FATAL_ERROR)
 project(meta.hpp
     VERSION "0.0.1"
     DESCRIPTION "C++20 tiny dynamic reflection library"
-    HOMEPAGE_URL "https://github.com/blackmatov/meta.hpp")
+    HOMEPAGE_URL "https://github.com/blackmatov/meta.hpp"
+    LANGUAGES CXX)
+
+option(META_HPP_NO_EXCEPTIONS "Don't use exceptions" OFF)
+option(META_HPP_NO_RTTI "Don't use RTTI" OFF)
 
 #
 # library
@@ -22,6 +26,10 @@ target_include_directories(${PROJECT_NAME} INTERFACE
     $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/headers>
     $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
 
+target_compile_definitions(${PROJECT_NAME} INTERFACE
+    $<$<BOOL:${META_HPP_NO_EXCEPTIONS}>:META_HPP_NO_EXCEPTIONS>
+    $<$<BOOL:${META_HPP_NO_RTTI}>:META_HPP_NO_RTTI>)
+
 find_package(Threads REQUIRED)
 target_link_libraries(${PROJECT_NAME} INTERFACE Threads::Threads)