Allow to pass environment variable for installation

picrin-scheme / picrin

lightweight scheme interpreter

MIT License

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Allow to pass environment variable for installation #309

Closed ktakashi closed 9 years ago

ktakashi commented 9 years ago

Current Makefile doesn't allow users to install desirable location other than /usr/local without modifying Makefile. This change considers environment variable of prefix so that users can specify where it needs to be installed.