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SubjectRe: [RFC PATCH 1/3] kbuild: Warn on selecting symbols with unmet direct dependencies
On Tue, 08 Jun 2010 17:25:57 +0100 Catalin Marinas wrote:

> The "select" statement in Kconfig files allows the enabling of options
> even if they have unmet direct dependencies (i.e. "depends on" expands
> to "no"). Currently, the "depends on" clauses are used in calculating
> the visibility but they do not affect the reverse dependencies in any
> way.
>
> The patch introduces additional tracking of the "depends on" statements
> and prints a warning on selecting an option if its direct dependencies
> are not met.


Hi Catalin,

Can these messages (on linux-next-20100611) be modified to include the
kconfig symbol that is causing them?

warning: (IP_VS_PROTO_ESP && NET && NETFILTER && IP_VS || IP_VS_PROTO_AH && NET && NETFILTER && IP_VS) selects IP_VS_PROTO_AH_ESP which has unmet direct dependencies (UNDEFINED)
warning: (SCx200_GPIO && SCx200 || PC8736x_GPIO && X86) selects NSC_GPIO which has unmet direct dependencies (X86_32)

Ah! It's the first symbol listed in each "phrase":

SCx200_GPIO and PC8736x_GPIO both have this problem.
(I haven't looked at IP_VS yet).

Jordan, is GEODE always 32-bit, so that some of these dependencies could be
cleaned up by using X86_32?

thanks,
---
~Randy
*** Remember to use Documentation/SubmitChecklist when testing your code ***


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