XXX unify brew setup

Author: ndim

.github/workflows/build.yml

@@ -219,7 +219,7 @@ jobs:
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v3
-      - name: Print original PATH
+      - name: Original PATH and build tools
         run: |
           echo "PATH=$PATH"
           for b in bison flex pkg-config; do type "$b"; done
@@ -239,7 +239,7 @@ jobs:
       - name: Configure environment to use brew kegs for flex and bison
         run: |
           echo "PATH=/opt/homebrew/opt/flex/bin:/opt/homebrew/opt/bison/bin:$PATH" >> $GITHUB_ENV
-      - name: Print PATH after brew install
+      - name: post-brew PATH and build tools
         run: |
           echo "PATH=$PATH"
           for b in bison flex pkg-config; do type "$b"; done
@@ -278,6 +278,10 @@ jobs:
     runs-on: macos-latest
     steps:
       - uses: actions/checkout@v3
+      - name: Original PATH and build tools
+        run: |
+          echo "PATH=$PATH"
+          for b in bison flex pkg-config; do type "$b"; done
       - name: Install prerequisites
         run: >-
           brew install
@@ -293,12 +297,13 @@ jobs:
           libftdi
           readline
           libserialport
-      - name: Print PATH
+      - name: Configure environment to use brew kegs for flex and bison
+        run: |
+          echo "PATH=/opt/homebrew/opt/flex/bin:/opt/homebrew/opt/bison/bin:$PATH" >> $GITHUB_ENV
+      - name: post-brew PATH and build tools
         run: |
           echo "PATH=$PATH"
           for b in bison flex pkg-config; do type "$b"; done
-          ls /opt/homebrew/include
-          ls /opt/homebrew/lib
       - name: Configure
         run: >-
           ./src/bootstrap