[meta-xilinx] build error for util-linux-2.22 for microblaze with poky/master: undefined reference to `prlimit64'

[Nathan Rossi]

> -----Original Message-----
> From: meta-xilinx-bounces at yoctoproject.org [mailto:meta-xilinx-
> bounces at yoctoproject.org] On Behalf Of Elvis Dowson
> Sent: Thursday, April 04, 2013 3:38 PM
> To: meta-xilinx Mailing List
> Subject: [meta-xilinx] build error for util-linux-2.22 for microblaze with
> poky/master: undefined reference to `prlimit64'
> 
> Hi,
>      Using the fixes from the recently released meta-xilinx repo on
> git.xilinx.com, I've adapted the patches to work with poky/master, building
> with the xilinx pre-built external toolchain.
> 
> The build has now progressed considerably (1299 of 1323), and is now stuck
> with a build error at util-linux-2.22:
> 
> sys-utils/prlimit.o: In function `get_unknown_hardsoft':
> /tool/yocto/poky/build/tmp/work/microblazeel-poky-linux/util-linux/2.22.2-
> r3/util-linux-2.22.2/sys-utils/prlimit.c:319: undefined reference to `prlimit64'
> sys-utils/prlimit.o: In function `do_prlimit':
> /tool/yocto/poky/build/tmp/work/microblazeel-poky-linux/util-linux/2.22.2-
> r3/util-linux-2.22.2/sys-utils/prlimit.c:363: undefined reference to `prlimit64'
> 
> 
> Would anyone have any ideas on how I can get past this build error? The
> version in danny branch uses util-linux-2.12, and the current master uses util-
> linux-2.22, and the error is due to a recent change in some stuff being
> refactored to the new function get_unknown_hardsoft().
> 
> Elvis Dowson

Hi Elvis,

I've seen this issue before on some of the older microblaze pre-built toolchains. Could you confirm if the "prlimit64" symbol is missing from libc.

Should be able to tell by using readelf on libc.so from the toolchain sys-root.
$ microblazeel-xilinx-linux-gnu-readelf -a libc-2.14.90.so  | grep "prlimit"
   537: 000fd460   380 FUNC    GLOBAL DEFAULT   11 prlimit@@GLIBC_2.13
  1311: 000fd6c0   104 FUNC    GLOBAL DEFAULT   11 prlimit64@@GLIBC_2.13
  4117: 000fd6c0   104 FUNC    LOCAL  DEFAULT   11 __GI_prlimit64
  6553: 000fd6c0   104 FUNC    GLOBAL DEFAULT   11 prlimit64
  6870: 000fd460   380 FUNC    GLOBAL DEFAULT   11 prlimit

Also if it is not missing, just check to see whether it is a global or not.

Regards,
Nathan