In Xcode, is it possible to reuse intermedian objects from i386 configuration where building with universal configuration?

My application should be built as both of x86 and universal(x86 & x86_64) versions. As a result, every source file, says file A, must be compiled three times:

1. As i386, when building with the x86 configuration
2. As i386, when building with universal configuration
3. As x86, when building with universal configuration

Since A has already be compiled as i386 when building with x86 configuration, could the universal configuration reuses objects from x86 configuration?

I found the intermedian objects resided under simliar path: Objects-normal/{i386,x开发者_运维知识库86_64}. So could I set the intermedian object path of both configurations into a same path? So that, the universal building could reuse objects from x86 build?

I have not tried it, and just want to known whether anyone has tried this before?

Just build the universal version and then if you really need an i386-only version as well you can add a post build step which uses lipo to generate the "thin" version of the executable.