$OpenBSD: patch-CMakeLists_txt,v 1.1.1.1 2021/01/03 10:15:11 jca Exp $

 -Werror considered harmful

Index: CMakeLists.txt
--- CMakeLists.txt.orig
+++ CMakeLists.txt
@@ -223,7 +223,7 @@ elseif(CMAKE_COMPILER_IS_GNUCXX)
       "${CMAKE_CXX_FLAGS} -std=c++0x")
   endif(CYGWIN)
   set(CMAKE_CXX_FLAGS
-    "${CMAKE_CXX_FLAGS} -Wall -pedantic -Werror -Wextra -Werror=shadow")
+    "${CMAKE_CXX_FLAGS} -Wall -pedantic -Wextra -Werror=shadow")
   set(FLATBUFFERS_PRIVATE_CXX_FLAGS "-Wold-style-cast")
   if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 4.4)
     if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 7.0)
@@ -241,7 +241,7 @@ elseif(CMAKE_COMPILER_IS_GNUCXX)
 
 elseif(${CMAKE_CXX_COMPILER_ID} MATCHES "Clang")
   set(CMAKE_CXX_FLAGS
-      "${CMAKE_CXX_FLAGS} -std=c++0x -Wall -pedantic -Werror -Wextra -Wno-unused-parameter")
+      "${CMAKE_CXX_FLAGS} -std=c++0x -Wall -pedantic -Wextra -Wno-unused-parameter")
   set(FLATBUFFERS_PRIVATE_CXX_FLAGS "-Wold-style-cast")
   if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 3.8)
     list(APPEND FLATBUFFERS_PRIVATE_CXX_FLAGS "-Wimplicit-fallthrough" "-Wextra-semi" "-Werror=unused-private-field") # enable warning
