--- app/meson.build.orig	2021-12-02 04:47:49 UTC
+++ app/meson.build
@@ -44,8 +44,8 @@ src = [
 
 conf = configuration_data()
 
-conf.set('_POSIX_C_SOURCE', '200809L')
-conf.set('_XOPEN_SOURCE', '700')
+# conf.set('_POSIX_C_SOURCE', '200809L')
+# conf.set('_XOPEN_SOURCE', '700')
 conf.set('_GNU_SOURCE', true)
 
 if host_machine.system() == 'windows'