[Scons-users] SCons code generation (e.g. protobuf) and VariantDir

[Dirk Bächle]

Hi Vinnie,

On 05.05.2014 00:15, Vinnie Falco wrote:

> I'm working on a project that uses SCons and protocol buffers from

> C++. I learned Python and SCons and added support for variant

> directories. But there's a problem, and one that it seems others have

> had.

>

> My SConstruct invokes a protoc builder on src/ripple.proto to produce

> build/proto/ripple.pb.cc and build/proto/ripple.pb.h. I use

> VariantDir('build/debug/proto', 'build/proto') to establish a variant

> (the real file has 12 variants). But when I call

> env.Object('build/debug/proto/ripple.pb.cc') SCons does not realize

> that it has to first call protoc and produces the error 'ripple.pb.cc

> required for ripple.pb.obj'.

>

> This problem is explained clearly in this old StackOverflow question,

> to which I have added a reputation bounty:

>

> http://stackoverflow.com/questions/16545459/scons-code-generation-and-variantdir

and have you tried Brady's suggestion to use the "variant_dir" 
parameter, and how did that work out for you?

Best regards,

Dirk