Trying to clean up all the macros. One day, I'll finish the configuration layer and everything will be beautiful.

examples/coroutine_state.cpp

@@ -1,4 +1,4 @@
-#define SOL_CHECK_ARGUMENTS
+#define SOL_CHECK_ARGUMENTS 1
 #include <sol.hpp>
 
 #include "assert.hpp"

examples/shared_ptr.cpp

@@ -23,11 +23,13 @@ struct my_type {
 	my_type& operator=(const my_type& other) {
 		value = other.value;
 		std::cout << "my_type at " << static_cast<void*>(this) << " being copy-assigned to!" << std::endl;
+		return *this;
 	}
 
 	my_type& operator=(my_type&& other) {
 		value = other.value;
 		std::cout << "my_type at " << static_cast<void*>(this) << " being move-assigned to!" << std::endl;
+		return *this;
 	}
 
 	~my_type() {

examples/unique_ptr.cpp

@@ -23,11 +23,13 @@ struct my_type {
 	my_type& operator=(const my_type& other) {
 		value = other.value;
 		std::cout << "my_type at " << static_cast<void*>(this) << " being copy-assigned to!" << std::endl;
+		return *this;
 	}
 
 	my_type& operator=(my_type&& other) {
 		value = other.value;
 		std::cout << "my_type at " << static_cast<void*>(this) << " being move-assigned to!" << std::endl;
+		return *this;
 	}
 
 	~my_type() {

sol/compatibility/version.hpp

@@ -42,8 +42,10 @@
 
 #ifdef LUAJIT_VERSION
 #ifndef SOL_LUAJIT
-#define SOL_LUAJIT
+#define SOL_LUAJIT 1
+#ifndef SOL_LUAJIT_VERSION
 #define SOL_LUAJIT_VERSION LUAJIT_VERSION_NUM
+#endif // SOL_LUAJIT_VERSION definition, if not present
 #endif // sol luajit
 #endif // luajit