# std.Build.Step.ConfigHeader: Add support for Autoconf \`@FOO@\` variables · gitcafe/zig

[View on GitCafe](https://git.cafe/gitcafe/zig/commit/62e388e73e71ed70bb5f059796035be6f59e72b3)

Repository: [gitcafe/zig](https://git.cafe/gitcafe/zig)

Visibility: public

Requested revision: 62e388e73e71ed70bb5f059796035be6f59e72b3

Requested commit: 62e388e73e71ed70bb5f059796035be6f59e72b3

Commit: 62e388e73e71ed70bb5f059796035be6f59e72b3

Tree: 1eb2cf53d9241593434bffd677e22830475802c0

Author: Constantin Bilz

Committer: Constantin Bilz

## Message

```
std.Build.Step.ConfigHeader: Add support for Autoconf `@FOO@` variables

Add the new style `Style.autoconf_at`. Rename the existing
`Style.autoconf` (which uses `#undef` directives) to
`Style.autoconf_undef`.

```

## Parents

- [05d8b565ad1a1d6c0c1e93dc47f1d828043fcafc](https://git.cafe/gitcafe/zig/commit/05d8b565ad1a1d6c0c1e93dc47f1d828043fcafc?format=markdown)

[Source at this commit](https://git.cafe/gitcafe/zig/tree/62e388e73e71ed70bb5f059796035be6f59e72b3?format=markdown)