Workaround for R-Devel macos issues

Author: andrjohns

.github/workflows/main.yml

@@ -49,6 +49,13 @@ jobs:
       - uses: r-lib/actions/setup-r@v2
         with:
           r-version: ${{ matrix.config.r }}
+          
+      # MacOS r-devel currently needs gettext
+      # https://stat.ethz.ch/pipermail/r-sig-mac/2025-March/015126.html
+      - name: Install gettext on MacOS r-devel
+        if: runner.os == 'macOS' && matrix.config.r == 'devel'
+        run: |
+          brew install gettext
 
       - uses: r-lib/actions/setup-pandoc@v2