Install via brew fails: Install Clang or run `brew install gcc`.

[guettli]

I get this error on Ubuntu-22.04

❯ brew install rajatjindal/tap/modify-secret
==> Auto-updating Homebrew...
Adjust how often this is run with HOMEBREW_AUTO_UPDATE_SECS or disable with
HOMEBREW_NO_AUTO_UPDATE. Hide these hints with HOMEBREW_NO_ENV_HINTS (see `man brew`).
==> Auto-updated Homebrew!
Updated 3 taps (homebrew/bundle, homebrew/core and homebrew/cask).
==> New Formulae
ansible-creator                       forbidden                             kconf                                 nextdns
==> New Casks
msty                                                                        yass

You have 1 outdated formula installed.

==> Tapping rajatjindal/tap
Cloning into '/home/linuxbrew/.linuxbrew/Homebrew/Library/Taps/rajatjindal/homebrew-tap'...
remote: Enumerating objects: 32, done.
remote: Counting objects: 100% (32/32), done.
remote: Compressing objects: 100% (11/11), done.
Receiving objects: 100% (32/32), 9.41 KiB | 4.71 MiB/s, done.
Resolving deltas: 100% (6/6), done.
remote: Total 32 (delta 6), reused 32 (delta 6), pack-reused 0
Tapped 1 formula (12 files, 78KB).
==> Fetching rajatjindal/tap/modify-secret
==> Downloading https://github.com/rajatjindal/kubectl-modify-secret/releases/download/v0.0.46/kubectl-modify-secret_v0.0.46_linux_amd64.tar.gz
==> Downloading from https://objects.githubusercontent.com/github-production-release-asset-2e65be/210006932/09943c74-b081-4051-b497-a0af2bf0eaed?X-Amz-
################################################################################################################################################ 100.0%
==> Installing modify-secret from rajatjindal/tap
Error: The following formula cannot be installed from bottle and must be
built from source.
  modify-secret
Install Clang or run `brew install gcc`.

Why is gcc needed?