From 707866544419401cdddd7731ae6195649679ad8d Mon Sep 17 00:00:00 2001
From: Jake Carter <jhcarter.co@gmail.com>
Date: Sat, 15 Jul 2023 17:37:43 -0500
Subject: [PATCH] Add regression test for make 3.81

---
 .github/workflows/Build_Examples.yml | 112 +++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)

diff --git a/.github/workflows/Build_Examples.yml b/.github/workflows/Build_Examples.yml
index 16143662c5e..46028f416db 100644
--- a/.github/workflows/Build_Examples.yml
+++ b/.github/workflows/Build_Examples.yml
@@ -184,3 +184,115 @@ jobs:
           export MAXIM_PATH=$(pwd)
 
           python .github/workflows/scripts/build.py
+
+  (Regression Test) Make 3.80:
+    runs-on:
+      - ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          # Update the submodules below, doing so here will convert ssh to https
+          submodules: false
+          fetch-depth: 0
+          ref: '${{ github.event.pull_request.head.ref }}'
+          repository: '${{ github.event.pull_request.head.repo.full_name }}'
+
+      - name: Check watch files
+        id: check_watch 
+        run: |
+          # Determine if we need to run the test
+          RUN_TEST=0
+
+          # Always run test if a workflow_dispatch
+          if [[ $GITHUB_EVENT_NAME == "workflow_dispatch" ]]; then
+            RUN_TEST=1
+          fi
+
+          # Check for changes made to these files
+          WATCH_FILES="\
+            Build_Examples.yml \
+            .c \
+            .cpp \
+            .S \
+            .s \
+            .h \
+            .a \
+            .mk \
+            makefile \
+            Makefile"
+
+          # Get the diff from main
+          CHANGE_FILES=$(git diff --ignore-submodules --name-only remotes/origin/main)
+
+          echo "Watching these locations and files"
+          echo $WATCH_FILES
+
+          echo "Checking the following changes"
+          echo $CHANGE_FILES
+
+          for watch_file in $WATCH_FILES; do 
+              for change_file in $CHANGE_FILES; do 
+                  if [[ "${change_file,,}" == *"${watch_file,,}" ]]; then
+                      echo "Match found. Watch type: $watch_file, File: $change_file"
+                      RUN_TEST=1
+                  fi
+              done
+          done
+
+          # End the test early if there wasn't a significant change
+          if [[ $RUN_TEST -eq 0 ]]; then
+            echo "Skipping Build"
+          else
+            echo "Running Build"
+          fi
+          
+          echo "RUN_TEST=$RUN_TEST" >> $GITHUB_OUTPUT
+          
+      - name: Install ARM GCC Toolchain (arm-none-eabi-gcc)
+        uses: carlosperate/arm-none-eabi-gcc-action@v1
+        id: arm-none-eabi-gcc-action
+        if: ${{ steps.check_watch.outputs.RUN_TEST == '1' }}
+        with:
+          release: '10.3-2021.10' # <-- The compiler release to use
+          
+      - name: Install RISCV GCC Toolchain (riscv-none-embed-gcc)
+        if: ${{ steps.check_watch.outputs.RUN_TEST == '1' }}
+        run: |
+          # Install RISCV tools
+          npm install --global xpm@latest
+          
+          TOOL_VER=10.2.0-1.2.1
+          xpm install --global @xpack-dev-tools/riscv-none-embed-gcc@$TOOL_VER
+          cp -r /home/runner/.local/xPacks/@xpack-dev-tools/riscv-none-embed-gcc /home/runner/riscv-none-embed-gcc
+          
+          # Add riscv tools to path
+          echo "/home/runner/riscv-none-embed-gcc/$TOOL_VER/.content/bin" >> $GITHUB_PATH
+
+      - name: Install RISCV GCC Toolchain (riscv-none-elf-gcc)
+        if: ${{ steps.check_watch.outputs.RUN_TEST == '1' }}
+        run: |
+          # Install RISCV tools (updated)
+          npm install --global xpm@latest
+          
+          # https://www.npmjs.com/package/@xpack-dev-tools/riscv-none-elf-gcc
+          TOOL_VER=12.2.0-3.1
+          xpm install --global @xpack-dev-tools/riscv-none-elf-gcc@$TOOL_VER
+          cp -r /home/runner/.local/xPacks/@xpack-dev-tools/riscv-none-elf-gcc /home/runner/riscv-none-elf-gcc
+          
+          # Add riscv tools to path
+          echo "/home/runner/riscv-none-elf-gcc/$TOOL_VER/.content/bin" >> $GITHUB_PATH
+
+      - name: Install Make 3.81
+        if: ${{ steps.check_watch.outputs.RUN_TEST == '1' }}
+        run: |
+          # Install RISCV tools (updated)
+          cd /home/runner
+          wget https://ftp.gnu.org/gnu/make/make-3.81.tar.gz
+          tar -xvf make-3.81.tar.gz
+          ./configure
+          make
+          make install --prefix=/home/runner/make-3.81
+          
+          # Add 3.81 to path
+          echo "/home/runner/make-3.81/bin" >> $GITHUB_PATH
+