continuing to experiment with linux github build

.github/workflows/r-cmd-check.yml

@@ -33,17 +33,25 @@ jobs:
     env:
       R_REMOTES_NO_ERRORS_FROM_WARNINGS: true
       GITHUB_PAT: ${{ secrets.MY_PAT }}
+      R_KEEP_PKG_SOURCE: yes
+      # https://github.com/r-lib/actions/issues/738
+      PKG_SYSREQS: false
 
     steps:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: R setup-pandoc@master
+      - name: dependencies on Linux not met by setup-r@v2
+        # https://github.com/r-lib/actions/issues/738
+        if: runner.os == 'Linux'
+        run: sudo apt-get install -y make libicu-dev libxml2-dev libssl-dev pandoc librdf0-dev libnode-dev libcurl4-gnutls-dev
+
+      - name: R setup
         uses: r-lib/actions/setup-r@v2
         with:
           r-version: ${{ matrix.config.r }}
 
-      - name: Pandoc setup-pandoc@master
+      - name: Pandoc setup
         uses: r-lib/actions/setup-pandoc@v2
 
       - name: Query dependencies
@@ -55,7 +63,7 @@ jobs:
 
       - name: Cache R packages
         if: runner.os != 'Windows'
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ env.R_LIBS_USER }}
           key: ${{ runner.os }}-${{ hashFiles('.github/R-version') }}-1-${{ hashFiles('.github/depends.Rds') }}