K 10
svn:author
V 2
ed
K 8
svn:date
V 27
2017-08-16T15:56:26.450055Z
K 7
svn:log
V 558
Add py-toposort.

I am currently in the process of creating ports for various components
related to CloudABI, including ARPC (an RPC framework that supports file
descriptor passing) and Flower (a capability-based network backplane).

The former comes with a script called 'aprotoc' for creating C++
bindings for messages and RPC services. This script depends on Python's
toposort package to order declarations in the resulting C++ header file,
taking dependencies into account.

Reviewed by:	mat, wg
Differential Revision:	https://reviews.freebsd.org/D12046

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