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add clarity for custom path installation

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install.sysconfdir is another value, in addition to install.prefix,
that could be set for custom path installation.

Signed-off-by: Naveen R. Iyer <iyernaveenr@gmail.com>
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Naveen R. Iyer 2024-09-28 20:27:51 -05:00
parent ed04567ba1
commit 0df736c2a9
1 changed files with 17 additions and 3 deletions
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INSTALL.md
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@ -79,9 +79,23 @@ See [the rustc-dev-guide for more info][sysllvm].
./configure ./configure
``` ```
If you plan to use `x.py install` to create an installation, it is If you plan to use `x.py install` to create an installation, you can either
recommended that you set the `prefix` value in the `[install]` section to a set `DESTDIR` environment variable to your custom directory path:
directory: `./configure --set install.prefix=<path>`
```bash
export DESTDIR=<path>
```
or set `prefix` and `sysconfdir` in the `[install]` section to your custom
directory path:
```sh
./configure --set install.prefix=<path> --set install.sysconfdir=<path>
```
When the `DESTDIR` environment variable is present, the `prefix` and
`sysconfdir` values are combined with the path from the `DESTDIR`
environment variable.
3. Build and install: 3. Build and install: