RFC: kconfig select warnings bogus?

[Sam Ravnborg <sam@ravnborg.org>]

We see a lot of these lately:
  GEN     /home/bor/build/linux-2.6.22/Makefile
scripts/kconfig/conf -s arch/i386/Kconfig
drivers/macintosh/Kconfig:116:warning: 'select' used by config symbol 'PMAC_APM_EMU' refers to undefined symbol 'SYS_SUPPORTS_APM_EMULATION'
drivers/net/Kconfig:2283:warning: 'select' used by config symbol 'UCC_GETH' refers to undefined symbol 'UCC_FAST'
drivers/input/keyboard/Kconfig:170:warning: 'select' used by config symbol 'KEYBOARD_ATARI' refers to undefined symbol 'ATARI_KBD_CORE'
drivers/input/mouse/Kconfig:182:warning: 'select' used by config symbol 'MOUSE_ATARI' refers to undefined symbol 'ATARI_KBD_CORE'


Do this warning really add any value or should we just ignore them like this?

	Sam

diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index f14aeac..c0c84f2 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -200,11 +200,6 @@ void sym_check_prop(struct symbol *sym)
 				prop_warn(prop,
 				    "config symbol '%s' uses select, but is "
 				    "not boolean or tristate", sym->name);
-			else if (sym2->type == S_UNKNOWN)
-				prop_warn(prop,
-				    "'select' used by config symbol '%s' "
-				    "refers to undefined symbol '%s'",
-				    sym->name, sym2->name);
 			else if (sym2->type != S_BOOLEAN && sym2->type != S_TRISTATE)
 				prop_warn(prop,
 				    "'%s' has wrong type. 'select' only "
-
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