Compare win/linux builds

.github/workflows/build.yaml

@@ -23,7 +23,7 @@ jobs:
     steps:
     - name: install SDCC
       run: | #install silent and then unpack missing installation libraries
-        Invoke-WebRequest https://altushost-swe.dl.sourceforge.net/project/sdcc/sdcc-win64/$env:SDCC_VERSION/sdcc-$env:SDCC_VERSION-rc3-x64-setup.exe -OutFile sdcc_setup.exe
+        Invoke-WebRequest https://altushost-swe.dl.sourceforge.net/project/sdcc/sdcc-win64/$env:4.2.0/sdcc-$env:4.2.0-x64-setup.exe -OutFile sdcc_setup.exe
         Start-Process -wait -FilePath "sdcc_setup.exe" -ArgumentList "/S", "/D=C:\Program Files\SDCC"
         echo "Adding sdcc to PATH"
         Add-Content $env:GITHUB_PATH "C:\Program Files\SDCC\bin"
@@ -37,6 +37,8 @@ jobs:
       with:
         name: firmware
         path: bin/main.ihx
+    outputs:
+      firmware: ${{ steps.Build_Windows.outputs.firmware }}
 
 
   Build_Linux:
@@ -61,3 +63,14 @@ jobs:
         with:
           name: firmware
           path: bin/main.ihx
+    outputs:
+      firmware: ${{ steps.Build_Linux.outputs.firmware }}
+
+
+  Compare_builds:
+    runs-on: ubuntu-22.04
+    steps:
+      - name: Compare output files
+        run: |
+          echo "Comparing output files"
+          diff -u <(cat ${{ steps.Build_Windows.outputs.firmware }}) <(cat ${{ steps.Build_Linux.outputs.firmware }})