linux-kernel - Build failures due to commit ea4054a2384 (handle huge number of modules)

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Message-ID: <20130508213007.GA11946@roeck-us.net>
Date:	Wed, 8 May 2013 14:30:07 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	linux-kernel@...r.kernel.org
Cc:	Rusty Russell <rusty@...tcorp.com.au>,
	Fengguang Wu <fengguang.wu@...el.com>
Subject: Build failures due to commit ea4054a2384 (handle huge number of
 modules)

Hi all,

I started seeing build failures such as the following in the last week or so.

make[2]: [__modpost] Error 1

followed by lots of messages such as

gcc: error: arch/x86/crypto/ablk_helper.mod.c: No such file or directory
gcc: fatal error: no input files

(at least if I run make -i)

After reverting commit ea4054a238 (modpost: handle huge numbers of modules)
everything is fine.

This happens with multiple gcc versions and target platforms (arm, x86_64,
i386, powerpc). Host kernel version is 3.8.10, system is Ubuntu 12.10.

Does anyone else see this problem ? Any idea what might be wrong ?

Thanks,
Guenter
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