$NetBSD: patch-CMakeLists.txt,v 1.1 2023/01/14 01:30:53 manu Exp $

Remove useless ${CMAKE_CXX_FLAGS} that break the build

--- CMakeLists.txt.orig	2023-01-12 14:46:28.472484641 +0000
+++ CMakeLists.txt	2023-01-12 14:46:55.625639141 +0000
@@ -316,9 +316,9 @@
 				set(ENABLE_OBJCXX false)
 			endif()
 		endif ()
 		add_custom_command(OUTPUT eh_trampoline.s
-			COMMAND ${CMAKE_CXX_COMPILER} ${CMAKE_CXX_FLAGS} -fPIC -S "${CMAKE_SOURCE_DIR}/eh_trampoline.cc" -o - -fexceptions -fno-inline | sed "s/__gxx_personality_v0/test_eh_personality/g" > "${CMAKE_BINARY_DIR}/eh_trampoline.s"
+			COMMAND ${CMAKE_CXX_COMPILER} -fPIC -S "${CMAKE_SOURCE_DIR}/eh_trampoline.cc" -o - -fexceptions -fno-inline | sed "s/__gxx_personality_v0/test_eh_personality/g" > "${CMAKE_BINARY_DIR}/eh_trampoline.s"
 			MAIN_DEPENDENCY eh_trampoline.cc)
 		list(APPEND libobjc_ASM_SRCS eh_trampoline.s)
 		list(APPEND libobjc_CXX_SRCS objcxx_eh.cc)
 	endif ()