Build error with older gatsby and newer gatsby link

[m-allanson]

Description

Installing a Gatsby version older than 2.4.0 will install a newer version of Gatsby Link that's incompatible with the older Gatsby.

Steps to reproduce

• gatsby new repro https://github.com/m-allanson/assetpath-issue
• yarn
• gatsby build

Expected result

The site should build.

Actual result

Build error:

success Building production JavaScript and CSS bundles — 5.380 s

error Building static HTML failed for path "/"

See our docs page on debugging HTML builds for help https://gatsby.dev/debug-html

  29 |
  30 | function withPrefix(path) {
> 31 |   return normalizePath(__BASE_PATH__ + "/" + path);
     | ^
  32 | }
  33 |
  34 | function withAssetPrefix(path) {


  WebpackError: ReferenceError: __BASE_PATH__ is not defined

  - index.js:31 withPrefix
    [lib]/[gatsby-link]/index.js:31:1

Environment

  System:
    OS: macOS 10.14.4
    CPU: (12) x64 Intel(R) Core(TM) i9-8950HK CPU @ 2.90GHz
    Shell: 3.2.57 - /bin/bash
  Binaries:
    Node: 10.15.1 - ~/.nvm/versions/node/v10.15.1/bin/node
    Yarn: 1.15.2 - /usr/local/bin/yarn
    npm: 6.9.0 - ~/.nvm/versions/node/v10.15.1/bin/npm
  Languages:
    Python: 3.5.3 - /Users/mike/.pyenv/shims/python
  Browsers:
    Chrome: 73.0.3683.103
    Firefox: 66.0.3
    Safari: 12.1
  npmPackages:
    gatsby: 2.3.36 => 2.3.36
  npmGlobalPackages:
    gatsby-cli: 2.5.12