Re: 2.6.32-rc3: floating-point build failure (undefined reference to `__udivdi3' in menu governor)

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Andreas Mohr wrote:
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

# 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)

seems you're the only user of this left.

it's not floating point but a 64 bit division.
The only one I can imagine is the one on line 213

looking at it, can you try sticking (u32) at the end of line 212; that multiply is not very likely to exceed 32 bits


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