linux-kernel - Re: [GIT PULL] MODSIGN: Use PKCS#7 for module signatures [ver #7a]

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Message-ID: <alpine.LRH.2.20.1508122040081.17160@namei.org>
Date:	Wed, 12 Aug 2015 20:40:50 +1000 (AEST)
From:	James Morris <jmorris@...ei.org>
To:	David Woodhouse <dwmw2@...radead.org>
cc:	David Howells <dhowells@...hat.com>, mcgrof@...il.com,
	Mimi Zohar <zohar@...ux.vnet.ibm.com>,
	linux-kernel@...r.kernel.org, linux-security-module@...r.kernel.org
Subject: Re: [GIT PULL] MODSIGN: Use PKCS#7 for module signatures [ver #7a]

On Wed, 12 Aug 2015, James Morris wrote:

> > define config_filename =
> 
> This may be relevant:
> 
> http://stackoverflow.com/questions/13260396/gnu-make-3-81-eval-function-not-working
> 

This works for me:

diff --git a/kernel/Makefile b/kernel/Makefile
index 9e31922..65ef384 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -150,7 +150,7 @@ space :=
 space +=
 space_escape := %%%SPACE%%%
 #
-define config_filename =
+define config_filename
 ifneq ($$(CONFIG_$(1)),"")
 $(1)_FILENAME := $$(subst \\,\,$$(subst \$$(quote),$$(quote),$$(subst $$(space_escape),\$$(space),$$(patsubst "%",%,$$(subst $$(space),$$(space_escape),$$(CONFIG_$(1)))))))
 ifneq ($$(patsubst /%,%,$$(firstword $$($(1)_FILENAME))),$$(firstword $$($(1)_FILENAME)))




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