--- CMakeLists.txt.orig	2022-10-05 15:44:52 UTC
+++ CMakeLists.txt
@@ -255,9 +255,9 @@ include(CheckCCompilerFlag)
 include(CheckCXXCompilerFlag)
 
 function(hmat_set_compiler_flags _TARGET_NAME)
-    check_cxx_compiler_flag("-Werror -Wall" HAVE_COMPILER_WARNING_FLAGS)
+    check_cxx_compiler_flag("-Wall" HAVE_COMPILER_WARNING_FLAGS)
     if(HAVE_COMPILER_WARNING_FLAGS)
-        target_compile_options(${_TARGET_NAME} PRIVATE -Werror -Wall)
+        target_compile_options(${_TARGET_NAME} PRIVATE -Wall)
         foreach(flag -Wno-sign-compare;-Wno-undefined-var-template;-Wno-unused-parameter)
             string(REPLACE "-" "_" varname ${flag})
             check_cxx_compiler_flag("${flag}" CXX${varname})