makevar fix?

Author: davidkane9

.github/workflows/R-CMD-check.yaml

@@ -40,12 +40,13 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y libcurl4-openssl-dev libharfbuzz-dev libfribidi-dev
 
-      # Install system dependencies for macOS
-      - name: Install system dependencies (macOS)
+      # Configure R to find Homebrew libraries on macOS
+      - name: Configure R Makevars (macOS)
         if: runner.os == 'macOS'
         run: |
-          brew install gettext
-          brew link --force gettext
+          mkdir -p ~/.R
+          echo "CPPFLAGS = -I/opt/homebrew/include" >> ~/.R/Makevars
+          echo "LDFLAGS = -L/opt/homebrew/lib" >> ~/.R/Makevars
 
       - uses: r-lib/actions/setup-r@v2
         with: