Set SYSCONFDIR to /etc even when "prefix" is set
SYSCONFDIR should be "/etc" even when prefix="/usr" to be FHS compliant.
This is the default in meson from v0.44.
@@ -157,7 +157,7 @@ subdir('swaynag')
subdir('swaylock')
config = configuration_data()
-config.set('sysconfdir', join_paths(prefix, sysconfdir))
+config.set('sysconfdir', sysconfdir)
config.set('datadir', join_paths(prefix, datadir))
config.set('prefix', prefix)
