From b6219be0e49fb61c71910aef72c597b7248cedb6 Mon Sep 17 00:00:00 2001
From: Daniel Weindl <daniel.weindl@helmholtz-munich.de>
Date: Sun, 3 Dec 2023 20:33:16 +0100
Subject: [PATCH] CMake: fix cxx flag check

Oops...

Fixes #2224
---
 src/CMakeLists.template.cmake | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/CMakeLists.template.cmake b/src/CMakeLists.template.cmake
index 320997b2ed..f7f492b67e 100644
--- a/src/CMakeLists.template.cmake
+++ b/src/CMakeLists.template.cmake
@@ -14,13 +14,13 @@ set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
 
 include(CheckCXXCompilerFlag)
-set(MY_CXX_FLAGS -Wall -Wno-unused-function -Wno-unused-variable)
+set(MY_CXX_FLAGS -Wall -Wno-unused-function -Wno-unused-variable -Werror)
 if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
   list(APPEND MY_CXX_FLAGS -Wno-unused-but-set-variable)
 endif()
 foreach(flag ${MY_CXX_FLAGS})
   unset(CUR_FLAG_SUPPORTED CACHE)
-  check_cxx_compiler_flag(-Werror ${flag} CUR_FLAG_SUPPORTED)
+  check_cxx_compiler_flag(${flag} CUR_FLAG_SUPPORTED)
   if(${CUR_FLAG_SUPPORTED})
     string(APPEND CMAKE_CXX_FLAGS " ${flag}")
   endif()