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Date: Mon, 26 Feb 2007 00:18:33 +0100
From: Adrian Bunk <bunk@...sta.de>
To: zippel@...ux-m68k.org, Andrew Morton <akpm@...ux-foundation.org>
Cc: kbuild-devel@...ts.sourceforge.net, linux-kernel@...r.kernel.org
Subject: [2.6 patch] kconfig: abort configuration with recursive dependencies
A recursive kconfig dependency is a bug that has to be fixed, and that
might currently not be noted until booting the built kernel.
Currently, the warning that a recursive dependency was detected scrolls
away during "make oldconfig", and often people don't notice until they
booted the kernel and note something like "Why is there no IPV6 support?".
This patch therefore lets the configuration fail if kconfig found a
recursive dependency.
Signed-off-by: Adrian Bunk <bunk@...sta.de>
--- linux-2.6.20-mm2/scripts/kconfig/symbol.c.old 2007-02-25 19:27:07.000000000 +0100
+++ linux-2.6.20-mm2/scripts/kconfig/symbol.c 2007-02-25 19:30:32.000000000 +0100
@@ -792,7 +792,7 @@
struct property *prop;
if (sym->flags & SYMBOL_CHECK) {
- printf("Warning! Found recursive dependency: %s", sym->name);
+ printf("Error: Found recursive dependency: %s", sym->name);
return sym;
}
if (sym->flags & SYMBOL_CHECKED)
@@ -820,7 +820,7 @@
printf(" %s", sym->name);
if (sym2 == sym) {
printf("\n");
- sym2 = NULL;
+ exit(1);
}
}
sym->flags &= ~SYMBOL_CHECK;
-
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