Update GODOT_COMPILE_FLAG by removing -Wpacked and making `-Werro…

…r` an option.

CMakeLists.txt

@@ -111,16 +111,20 @@ else()
 	set(GODOT_COMPILE_FLAGS "-fPIC -g -Wwrite-strings")
 	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wchar-subscripts -Wcomment -Wdisabled-optimization")
 	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wformat -Wformat=2 -Wformat-security -Wformat-y2k")
-	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wimport -Winit-self -Winline -Winvalid-pch -Werror")
+	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wimport -Winit-self -Winline -Winvalid-pch")
 	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wmissing-braces -Wmissing-format-attribute")
-	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wmissing-include-dirs -Wmissing-noreturn -Wpacked -Wpointer-arith")
+	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wmissing-include-dirs -Wmissing-noreturn -Wpointer-arith")
 	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wredundant-decls -Wreturn-type -Wsequence-point")
 	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wswitch -Wswitch-enum -Wtrigraphs")
 	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wuninitialized -Wunknown-pragmas -Wunreachable-code -Wunused-label")
 	set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wunused-value -Wvariadic-macros -Wvolatile-register-var -Wno-error=attributes")
 
+	if(IREE_ENABLE_WERROR_FLAG)
+		set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Werror")
+	endif()
+
 	# -Wshadow -Wextra -Wall -Weffc++ -Wfloat-equal -Wstack-protector -Wunused-parameter -Wsign-compare -Wunused-variable -Wcast-align
-	# -Wunused-function -Wstrict-aliasing -Wstrict-aliasing=2 -Wmissing-field-initializers
+	# -Wunused-function -Wstrict-aliasing -Wstrict-aliasing=2 -Wmissing-field-initializers -Wpacked
 
 	if(NOT CMAKE_SYSTEM_NAME STREQUAL "Android")
 		set(GODOT_COMPILE_FLAGS "${GODOT_COMPILE_FLAGS} -Wno-ignored-attributes")