Only use `libc++` if `clang` is used

lucastheis / cmt

Fast CPU implementations of several conditional probabilistic models

http://lucastheis.github.io/cmt/

MIT License

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Only use `libc++` if `clang` is used #25

Closed jakirkham closed 7 years ago

jakirkham commented 7 years ago

On this line, libc++ is being forced in the compiler flags. However if the user selects g++, then this causes problems. It would be better to only set this flag if CXX is unspecified (i.e. default compiler is used).

jakirkham commented 7 years ago

Proposed fix in PR ( https://github.com/lucastheis/cmt/pull/27 ).