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Add examples how to use the --patch option to the Readme

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Mislav Marohnić 2013-12-20 19:06:50 +01:00
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@ -123,6 +123,25 @@ You can set certain environment variables to control the build process.
make options for buildling MRI. These variables will be passed to Ruby only, make options for buildling MRI. These variables will be passed to Ruby only,
not any dependent packages (e.g. libyaml). not any dependent packages (e.g. libyaml).
### Applying patches to Ruby before compiling
Both `rbenv install` and `ruby-build` support the `--patch` (`-p`) flag that
signals that a patch from stdin should be applied to Ruby, JRuby, or Rubinius
source code before the `./configure` and compilation steps.
Example usage:
```sh
# applying a single patch
$ rbenv install --patch 1.9.3-p429 < /path/to/ruby.patch
# applying a patch from HTTP
$ rbenv install --patch 1.9.3-p429 < <(curl -sSL http://git.io/ruby.patch)
# applying multiple patches
$ cat fix1.patch fix2.patch | rbenv install --patch 1.9.3-p429
```
### Checksum verification ### Checksum verification
If you have the `md5`, `openssl`, or `md5sum` tool installed, ruby-build will If you have the `md5`, `openssl`, or `md5sum` tool installed, ruby-build will