linux-kernel - 2.6.32-rc3: floating-point build failure (undefined reference to `_

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Message-ID: <20091007104125.GA1449@rhlx01.hs-esslingen.de>
Date:	Wed, 7 Oct 2009 12:41:25 +0200
From:	Andreas Mohr <andi@...as.de>
To:	linux-kernel@...r.kernel.org
Cc:	Arjan van de Ven <arjan@...ux.intel.com>,
	Adam Belay <abelay@...ell.com>, linux-acpi@...r.kernel.org
Subject: 2.6.32-rc3: floating-point build failure (undefined reference to
	`__udivdi3' in menu governor)

Hi,

didn't find any report about this, so...

  LD      .tmp_vmlinux1
drivers/built-in.o(.text+0xd85a1): In function `menu_select':
drivers/cpuidle/governors/menu.c:212: undefined reference to `__udivdi3'
make: *** [.tmp_vmlinux1] Error 1


The symbol being __udivdi3 sounds to me like it's illegal FP use here.

This is not necessarily a -rc3 regression, though (currently running
2.6.29-rc7 on this box).


# gcc -v
Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/3.2.3/specs
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --disable-checking --with-system-zlib --enable-__cxa_atexit --host=i386-redhat-linux
Thread model: posix
gcc version 3.2.3 20030502 (Red Hat Linux 3.2.3-49)

(yes, I know... ;)

Andreas Mohr
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