Build with criticalup in CI

.github/workflows/build-ferrocene.yml

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+# Copyright (c) 2023 Ferrous Systems
+# SPDX-License-Identifier: MIT OR Apache-2.0
+
+name: workflow-build-everything-ferrocene
+run-name: Build Everything with Ferrocene
+on: [push]
+jobs:
+  job-build-threadx-staticlib:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          submodules: 'true'
+      - name: Install tools
+        run: |
+          sudo apt-get update -y && sudo apt-get -y install cmake gcc gcc-arm-none-eabi build-essential ninja-build
+      - name: Compile ThreadX for Cortex-M4
+        run: |
+          cd threadx
+          cmake -Bbuild_m4 -GNinja -DCMAKE_TOOLCHAIN_FILE=cmake/cortex_m4.cmake
+          cmake --build ./build_m4
+      - name: Upload staticlib
+        uses: actions/upload-artifact@master
+        with:
+          name: threadx-cm4
+          path: threadx/build_m4/libthreadx.a
+  job-build-demo-app:
+    runs-on: ubuntu-latest
+    needs: job-build-threadx-staticlib
+    steps:
+      - name: Install Arm C compiler
+        run: |
+          sudo apt-get update -y && sudo apt-get -y install gcc-arm-none-eabi
+          curl --proto '=https' --tlsv1.2 -LsSf https://github.com/ferrocene/criticalup/releases/download/v1.0.0-prerelease.1/criticalup-installer.sh | sh
+      - name: Install tools
+        uses: taiki-e/install-action@v2
+        with:
+          tool: [email protected]
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          submodules: 'true'
+      - name: Download staticlib
+        uses: actions/download-artifact@master
+        with:
+          name: threadx-cm4
+          path: threadx/build # Where build.rs expects it
+      - name: Install Ferrocene
+        env: # Or as an environment variable
+          CRITICALUP_TOKEN: ${{ secrets.CRITICALUP_TOKEN }}
+        run: |
+          echo ${CRITICALUP_TOKEN} | criticalup auth set
+          criticalup install
+          echo "$HOME/.local/share/criticalup/bin" >> $GITHUB_PATH
+      - name: Find slug name
+        run: |
+          slug=$(./describe.sh "${GITHUB_REF}")
+          echo "Building with slug '${slug}'"
+          echo "BUILD_SLUG=${slug}" >> "${GITHUB_ENV}"
+      - name: Check Demo App
+        run: |
+          cd demo-app
+          rustc --version
+          cargo --version
+          cargo check --target=thumbv7em-none-eabi
+      - name: Build Demo App
+        run: |
+          cd demo-app
+          rustc --version
+          cargo --version
+          cargo build --target=thumbv7em-none-eabi --release
+      - name: Upload demo-app
+        uses: actions/upload-artifact@master
+        with:
+          name: demo-app
+          path: demo-app/target/thumbv7em-none-eabi/release/demo-app
+  job-build-threadx-sys:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          submodules: 'true'
+      - name: Check threadx-sys
+        run: |
+          cd threadx-sys
+          cargo check
+      - name: Build threadx-sys
+        run: |
+          cd threadx-sys
+          cargo build

criticalup.toml

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+# Copyright (c) 2024 Ferrous Systems
+# SPDX-License-Identifier: MIT OR Apache-2.0
+
+manifest-version = 1
+
+[products.ferrocene]
+release = "pre-rolling-2024-05-24"
+packages = [
+    "rustc-${rustc-host}",
+    "rust-std-${rustc-host}",
+    "cargo-${rustc-host}",
+    "clippy-${rustc-host}",
+    "rustfmt-${rustc-host}",
+    "rust-analyzer-${rustc-host}",
+    "ferrocene-self-test-${rustc-host}",
+    "flip-link-${rustc-host}",
+    "llvm-tools-${rustc-host}",
+    "rust-std-thumbv7em-none-eabi",
+]