Update the checking workflow: add a library to check tcltk on Linux

Author: aursiber

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

@@ -31,7 +31,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      
+
       - uses: r-lib/actions/setup-pandoc@v2
 
       - uses: r-lib/actions/setup-tinytex@v2
@@ -41,12 +41,17 @@ jobs:
           r-version: ${{ matrix.config.r }}
           http-user-agent: ${{ matrix.config.http-user-agent }}
           use-public-rspm: true
-      
+
       - name: Install libraries for macOS
         if: runner.os == 'macOS'
         run: |
           brew install xquartz
 
+      - name: Install libraries for linux
+        if: runner.os == 'Linux'
+        run: |
+          sudo apt-get install texlive-base texlive-latex-recommended texlive-latex-extra
+
       - uses: r-lib/actions/setup-r-dependencies@v2
         with:
           pak-version: devel
@@ -58,4 +63,5 @@ jobs:
           args: 'c("--no-manual", "--as-cran")'
           error-on: '"error"'
           check-dir: '"check"'
-          
+
+