title: Go build fail, fatal error: rocksdb/c.h
body: <p>I am testing on project <a href="https://github.com/openblockchain/obc-peer" rel="nofollow">obc-peer</a>.</p>
  
  <p>I am confused where should I get about github.com/**** , golang.org/**** , google.golang.org/**** , google/****.
  Am I wrong about $GOPATH ?</p>
  
  <p>Here is the log of go build and go env:</p>
  
  <p>Hope someone can help me on it......Gods</p>
  
  <pre><code>vagrant@vagrant-ubuntu-trusty-64:/opt/gopath$ go env
  GOARCH="amd64"
  GOBIN=""
  GOEXE=""
  GOHOSTARCH="amd64"
  GOHOSTOS="linux"
  GOOS="linux"
  GOPATH="/opt/gopath"
  GORACE=""
  GOROOT="/usr/local/go"
  GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64"
  GO15VENDOREXPERIMENT="1"
  CC="gcc"
  GOGCCFLAGS="-fPIC -m64 -pthread -fmessage-length=0"
  CXX="g++"
  CGO_ENABLED="1"
  vagrant@vagrant-ubuntu-trusty-64:/opt/gopath/src/github.com/openblockchain/obc-peer$ go build
  # github.com/openblockchain/obc-peer/vendor/github.com/tecbot/gorocksdb
  vendor/github.com/tecbot/gorocksdb/backup.go:4:24: fatal error: rocksdb/c.h: No such file or directory
   // #include "rocksdb/c.h"
                          ^
  compilation terminated.
  </code></pre>