build: add -Wundef

There is no case in pre-processor directives where would like to have
undefined identifiers be silently replaced with a zero. This warning can
discover typos and forgotten includes.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>
This commit is contained in:
Pekka Paalanen 2021-03-03 14:01:40 +02:00
parent a4ecf96316
commit cde58fd20a

View file

@ -63,6 +63,7 @@ global_args_maybe = [
'-Wno-shift-negative-value', # required due to Pixman
'-Wno-missing-field-initializers',
'-Wno-pedantic',
'-Wundef',
'-fvisibility=hidden',
]
foreach a : global_args_maybe