Overview

Clasp is a new Common Lisp implementation that seamlessly interoperates with C++ libraries and programs using LLVM for compilation to native code. This allows Clasp to take advantage of a vast array of preexisting libraries and programs, such as out of the scientific computing ecosystem. Embedding them in a Common Lisp environment allows you to make use of rapid prototyping, incremental development, and other capabilities that make it a powerful language.

— Clasp README.md

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I followed the official instructions to build Clasp:

The building process had been going on for about an hour; and then I got this error:

— Me@2019-01-04 10:11:43 PM

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2019.01.04 Friday (c) All rights reserved by ACHK