Establish baseline

terminal-environment/genv/presets/c.sh

@@ -0,0 +1,11 @@
+#!/usr/bin/env bash
+set -e
+
+if command -v apt >/dev/null; then
+  sudo apt update
+  sudo apt install -y build-essential cmake
+elif command -v pacman >/dev/null; then
+  sudo pacman -Sy --noconfirm base-devel cmake
+elif command -v apk >/dev/null; then
+  sudo apk add build-base cmake
+fi