From 10b7158e8cd57f21f7327c73a6b2cdb2f498fdae Mon Sep 17 00:00:00 2001
From: Uzair Aftab <git@uzaaft.me>
Date: Sun, 30 Aug 2026 16:53:31 +0200
Subject: [PATCH] ci: cross-compile freestanding libghostty-vt

---
 .github/workflows/freestanding.yml | 51 ++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 .github/workflows/freestanding.yml

diff --git a/.github/workflows/freestanding.yml b/.github/workflows/freestanding.yml
new file mode 100644
index 000000000..b2bc3a674
--- /dev/null
+++ b/.github/workflows/freestanding.yml
@@ -0,0 +1,51 @@
+on:
+  push: {}
+  pull_request: {}
+  workflow_dispatch: {}
+
+name: Freestanding
+
+# We only want the latest commit to test for any non-main ref.
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref_name != 'main' && github.ref || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  build-libghostty-vt:
+    if: github.repository == 'ghostty-org/ghostty'
+    strategy:
+      matrix:
+        include:
+          - target: riscv32-freestanding-eabi
+            cpu: baseline
+          - target: thumb-freestanding-eabi
+            cpu: cortex_m4
+    runs-on: namespace-profile-ghostty-sm
+    env:
+      ZIG_LOCAL_CACHE_DIR: /zig/local-cache
+      ZIG_GLOBAL_CACHE_DIR: /zig/global-cache
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
+
+      - name: Setup Cache
+        uses: namespacelabs/nscloud-cache-action@c5f8dab7560444c4bf8dbc64f1b203431873c547 # v1.6.1
+        with:
+          path: |
+            /nix
+            /zig
+
+      - uses: cachix/install-nix-action@13d8dd58da0234aa297dedd986986ccb8e7f3e24 # v31.11.1
+        with:
+          nix_path: nixpkgs=channel:nixos-unstable
+      - uses: cachix/cachix-action@5f2d7c5294214f71b873db4b969586b980625e71 # v17
+        with:
+          name: ghostty
+          authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
+
+      - name: Build
+        run: |
+          nix develop -c zig build -Demit-lib-vt \
+            -Dtarget=${{ matrix.target }} \
+            -Dcpu=${{ matrix.cpu }} \
+            -Doptimize=ReleaseSafe