From ae8744358a93a6f98da01b7327d6efe3dbeb8572 Mon Sep 17 00:00:00 2001
From: Alice <alice.mazzoleni@psi.ch>
Date: Mon, 15 Jun 2026 11:36:03 +0200
Subject: [PATCH] cmake format

---
 .gitea/workflows/cmake_build.yml      | 2 +-
 .github/workflows/build_with_docs.yml | 2 +-
 CMakeLists.txt                        | 7 +++++++
 3 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/.gitea/workflows/cmake_build.yml b/.gitea/workflows/cmake_build.yml
index 505a381..f150988 100644
--- a/.gitea/workflows/cmake_build.yml
+++ b/.gitea/workflows/cmake_build.yml
@@ -47,7 +47,7 @@ jobs:
             source venv/bin/activate
             mkdir build 
             cd build 
-            cmake .. -DAARE_PYTHON_BINDINGS=ON -DAARE_DOCS=ON 
+            cmake .. -DAARE_PYTHON_BINDINGS=ON -DAARE_DOCS=ON -DAARE_WARNINGS_AS_ERRORS=ON
             make -j 2 
             make docs
 
diff --git a/.github/workflows/build_with_docs.yml b/.github/workflows/build_with_docs.yml
index dc54995..bbae4f9 100644
--- a/.github/workflows/build_with_docs.yml
+++ b/.github/workflows/build_with_docs.yml
@@ -47,7 +47,7 @@ jobs:
         run: |
             mkdir build 
             cd build 
-            cmake .. -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DAARE_SYSTEM_LIBRARIES=ON -DAARE_PYTHON_BINDINGS=ON -DAARE_DOCS=ON -DAARE_TESTS=ON
+            cmake .. -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DAARE_SYSTEM_LIBRARIES=ON -DAARE_PYTHON_BINDINGS=ON -DAARE_DOCS=ON -DAARE_TESTS=ON -DAARE_WARNINGS_AS_ERRORS=ON
             make -j 4 
             make docs
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d9c07b0..3c8c31b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -65,6 +65,9 @@ option(AARE_FETCH_ZMQ "Use FetchContent to download libzmq" ON)
 option(AARE_FETCH_LMFIT "Use FetchContent to download lmfit" ON)
 option(AARE_FETCH_MINUIT2 "Use FetchContent to download Minuit2" ON)
 
+option(AARE_WARNINGS_AS_ERRORS "Treat warnings as errors during compilation"
+       OFF)
+
 # Convenience option to use system libraries only (no FetchContent)
 option(AARE_SYSTEM_LIBRARIES "Use system libraries" OFF)
 if(AARE_SYSTEM_LIBRARIES)
@@ -349,6 +352,10 @@ else()
                                   # builds
   )
 
+  if(AARE_WARNINGS_AS_ERRORS)
+    target_compile_options(aare_compiler_flags INTERFACE -Werror)
+  endif()
+
 endif() # GCC/Clang specific
 
 if(AARE_PYTHON_BINDINGS)