Install libblocksruntime-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libblocksruntime-dev
Description:
Blocks Runtime (development files)
This package contains development headers for building software that uses blocks. . Blocks are a proposed extension to the C, Objective C, and C++ languages developed by Apple to support the Grand Central Dispatch concurrency engine.
Homepage: http://compiler-rt.llvm.org/
Version: 0.4.1-1.1
Section: universe/libdevel