From 9234e40bf94ba8399c58801804d04ef3c626bc7e Mon Sep 17 00:00:00 2001
From: Willem Deconinck <willem.deconinck@ecmwf.int>
Date: Fri, 14 Feb 2025 12:03:04 +0100
Subject: [PATCH] ci with -Werror

---
 .github/workflows/build.yml | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index dd64900eb..72cc0e65f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -257,14 +257,24 @@ jobs:
 
         if [[ "${{matrix.compiler}}" == intel-classic ]]; then
           echo "CFLAGS=-diag-disable=10441"   >> $GITHUB_ENV
-          echo "CXXFLAGS=-diag-disable=10441" >> $GITHUB_ENV
+          echo "CXXFLAGS=-diag-disable=10441 -Werror" >> $GITHUB_ENV
           echo "FCFLAGS=-diag-disable=10441"  >> $GITHUB_ENV
           echo "FFLAGS=-diag-disable=10441"   >> $GITHUB_ENV
         fi
 
         if [[ "${{matrix.compiler}}" == intel ]]; then
           echo "CFLAGS=-Rno-debug-disables-optimization"   >> $GITHUB_ENV
-          echo "CXXFLAGS=-Rno-debug-disables-optimization" >> $GITHUB_ENV
+          echo "CXXFLAGS=-Rno-debug-disables-optimization  -Werror" >> $GITHUB_ENV
+        fi
+
+        if [[ "${{matrix.compiler}}" == gnu ]]; then
+          echo "CXXFLAGS=-Werror" >> $GITHUB_ENV
+        fi
+        if [[ "${{matrix.compiler}}" == nvhpc ]]; then
+          echo "CXXFLAGS=-Werror" >> $GITHUB_ENV
+        fi
+        if [[ "${{matrix.compiler}}" == clang ]]; then
+          echo "CXXFLAGS=-Werror" >> $GITHUB_ENV
         fi