$NetBSD: patch-CMakeLists.txt,v 1.1 2022/11/14 18:54:34 adam Exp $

Clang does not support -Wno-error=maybe-uninitialized option.
Do not set -O3 optimization flags.

--- CMakeLists.txt.orig	2022-10-03 11:03:59.000000000 +0000
+++ CMakeLists.txt
@@ -146,13 +146,11 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
     OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
   # XXX figure out how to get "-std=c++14 -fno-rtti" from LLVM.  That's how we
   # get those options in the Automake path...
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Werror -Wno-error=maybe-uninitialized")
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -fno-rtti -fno-strict-aliasing -Wall -Wextra -Wno-unused-parameter -Werror -Wno-error=maybe-uninitialized")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -fno-rtti -fno-strict-aliasing -Wall -Wextra -Wno-unused-parameter")
   if(SUPPORTS_FVISIBILITY_INLINES_HIDDEN_FLAG)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fvisibility-inlines-hidden")
   endif()
-  set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O3")
-  set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELEASE} -O3")
 endif()
 
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