[Linuxppc-users] undefined reference to __tls_get_addr_opt

[Bill Schmidt]

On 3/29/19 11:16 AM, Segher Boessenkool wrote:
> Hi!
>
> On Thu, Mar 28, 2019 at 12:25:43PM +0100, Lorenzo Chelini wrote:
>> I am a PhD at IBM Zurich working on compiler. I am having the following 
>> error “undefined reference to `__tls_get_addr_opt at GLIBC_2.22'” while 
>> linking a runtime library in LLVM/Polly. Do you know how I can fix this 
>> error?
>> I am using a P9 architecture running Linux and I am using the latest 
>> advance toolchain (gcc (GCC) 8.2.1 20180813 (Advance-Toolchain-at12.0))
> No you're not:
>
>> Selected GCC installation: /usr/lib/gcc/ppc64le-redhat-linux/4.8.5
> It is picking up the system toolchain of your OS (RHEL 7?), which probably
> gives you a glibc 2.17, which won't work with that 2.22 symbol something
> wants (you didn't show what, or how it got that 2.22 version; either way,
> you don't want to use 2.17 (or 4.8.5) when developing new code).
>
> Probably if you make everything find the newer toolchain all will work
> well.  It's either a configuration problem on your side, or one of the
> tools you're trying to build is misbehaving.
These resources may help you:

https://developer.ibm.com/linuxonpower/advance-toolchain/adv-tool-usage/
https://developer.ibm.com/linuxonpower/advance-toolchain/advtool-faq/

Bill
>
> Good luck,
>
>
> Segher
>
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