Better CMake dependency handling

test/CMakeLists.txt

@@ -4,7 +4,5 @@ project(zeustest)
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-include_directories(../include)
-
 add_executable(zeustest main.cpp)
 target_link_libraries(zeustest zeus)

test/main.cpp

@@ -12,6 +12,8 @@ union Color {
   zeus::Comp32 rgba;
 };
 
+#pragma GCC diagnostic ignored "-Wunused-but-set-variable"
+
 int main() {
   zeus::detectCPU();
   assert(!CAABox({100, 100, 100}, {100, 100, 100}).invalid());