add -Werror to CXXFLAGS for dev CI job

Author: Enchufa2

.github/workflows/ci.yaml

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

ChangeLog

@@ -1,3 +1,7 @@
+2026-09-01  Iñaki Ucar <iucar@fedoraproject.org>
+
+	* .github/workflows/ci.yaml: Add -Werror to CXXFLAGS for dev CI job
+
 2026-08-08  Dirk Eddelbuettel  <edd@debian.org>
 
 	* DESCRIPTION (Version, Date): Roll micro version and date