Capitalize Werror

Co-authored-by: Matthias Maier <tamiko@43-1.org>

diff --git a/cmake/macros/macro_enable_if_supported.cmake b/cmake/macros/macro_enable_if_supported.cmake
index b628b7a638b1f17278f873debb4d4cf97ea288cf..ba9f80b45aa317f15e89e2403127b21341ec0c6e 100644 (file)
--- a/cmake/macros/macro_enable_if_supported.cmake
+++ b/cmake/macros/macro_enable_if_supported.cmake
@@ -23,11 +23,11 @@
 
 macro(enable_if_supported _variable _flag)
   # First check if we can use -Werror
-  CHECK_CXX_COMPILER_FLAG("-Werror" DEAL_II_HAVE_FLAG_werror)
+  CHECK_CXX_COMPILER_FLAG("-Werror" DEAL_II_HAVE_FLAG_Werror)
 
   string(STRIP "${_flag}" _flag_stripped)
 
-  if(DEAL_II_HAVE_FLAG_werror)
+  if(DEAL_II_HAVE_FLAG_Werror)
     set(CMAKE_REQUIRED_FLAGS "-Werror")
   endif()