| # Building Roughtime |
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| ## C++ |
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| The Roughtime C++ code is built using [Bazel](https://www.bazel.io/). Everything should build on Linux. On MacOS, `simple_client` should build. |
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| In order to build, install Bazel and run `bazel build ... && bazel test ...`. That should download and build BoringSSL, gTest and Protocol Buffers automatically. |
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| After doing that you should be able to play with `simple_client` by running `./bazel-bin/simple_client roughtime-servers.json`. |
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| ### Known Issues |
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| If, on Arch Linux, Bazel complains about the version of Java but you have Java 8 installed, you may need to export `JAVA_HOME=/usr/lib/jvm/java-8-openjdk`. |
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| If you see an error about `_FORTIFY_SOURCE requires compiling with optimization`, pass `--copt=-U_FORTIFY_SOURCE` to Bazel. |
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| ## Go |
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| The Roughtime Go code works with `go get`, as is typical for Go code. For example, `go get https://roughtime.googlesource.com/roughtime/go/client` and run `client --servers-file=roughtime/roughtime-servers.json --chain-file=~/roughtime-chain.json`. |
