When a schema is in a subdirectory generate fails to create output directory

[griff]

When a capnp file is in a directory the generator does not correctly create the subdirectory in OUT.

In short this will fail:

extern crate capnpc;

fn main() {
    ::capnpc::CompilerCommand::new()
        .file("schema/process.capnp")
        .run()
        .expect("compiling");
}

The reason it fails is that the code in codegen.rs creates the directory $PWD/schema instead of the correct $OUT/schema.

[dwrensha]

Confirmed that there is a bug here.

Until this gets fixed, I recommend adding a .src_prefix() line, like this:

   ::capnpc::CompilerCommand::new()
        .file("schema/process.capnp")
        .src_prefix("schema")
        .run()
        .expect("compiling");

Then the generated files go directly into $OUT_DIR.

[dwrensha]

Fixed in c692b5a.

Thanks for the report!