implement this in a new yaml file instead

Author: Enchufa2

.github/workflows/ci.yaml

@@ -52,7 +52,6 @@ jobs:
           - name: dev
             cntr: rcpp/ci-dev
             r: RD
-            cxxflags: -Werror
 
     steps:
       - uses: actions/checkout@v6
@@ -63,9 +62,6 @@ jobs:
       - name: Build
         run: ${{matrix.r }} CMD build --no-build-vignettes --no-manual .
 
-      - name: Set flags
-        run: mkdir -p ~/.R && echo "CXXFLAGS += ${{ matrix.cxxflags }}" >> ~/.R/Makevars
-
       - name: Check
         run: CI=true ${{ matrix.r }} CMD check --no-vignettes --no-manual Rcpp_*.tar.gz
 

.github/workflows/warnings.yaml

@@ -0,0 +1,36 @@
+# Run CI for R using https://eddelbuettel.github.io/r-ci/
+
+name: warnings
+
+on:
+  push:
+  pull_request:
+
+env:
+  _R_CHECK_FORCE_SUGGESTS_: "false"
+  RCPP_CXXFLAGS: "-Werror"
+
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    container: rocker/drd
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v7
+
+      - name: Setup
+        uses: eddelbuettel/github-actions/r-ci@master
+
+      - name: Dependencies
+        run: ./run.sh install_deps
+
+      - name: Set flags
+        run: mkdir -p ~/.R && echo "CXXFLAGS += $RCPP_CXXFLAGS" >> ~/.R/Makevars
+
+      - name: Test
+        run: ./run.sh run_tests
+
+      - name: Logs
+        run: ./run.sh dump_logs
+        if: failure()

ChangeLog

@@ -1,6 +1,6 @@
 2026-09-01  Iñaki Ucar <iucar@fedoraproject.org>
 
-	* .github/workflows/ci.yaml: Add -Werror to CXXFLAGS for dev CI job
+	* .github/workflows/warnings.yaml: Add new CI file with -Werror enabled
 
 2026-08-08  Dirk Eddelbuettel  <edd@debian.org>