On Mon, Feb 19, 2018 at 4:20 PM, Jeffrey Walton via cfarm-users
> On Mon, Feb 19, 2018 at 4:12 PM, Segher Boessenkool
> <seg...@kernel.crashing.org> wrote:
>> On Mon, Feb 19, 2018 at 02:49:47PM -0500, Jeffrey Walton via cfarm-users
>>> /opt/cfarm/gcc7rc2/bin/g++ -o cryptest.exe -DNDEBUG -g2 -O3 -fPIC
>>> -pthread -pipe adhoc.o test.o bench1.o bench2.o validat0.o validat1.o
>>> validat2.o validat3.o validat4.o datatest.o regtest1.o regtest2.o
>>> regtest3.o dlltest.o fipsalgt.o ./libcryptopp.a
>>> undefined reference to `__cxa_thread_atexit_impl@GLIBC_2.18'
>>> collect2: error: ld returned 1 exit status
>>> make: *** [cryptest.exe] Error 1
>> How/why do you get anything from /home/guerby? /opt/cfarm/gcc7rc2 was
>> build on a different machine (and it is only there so people can use it
>> as an easy starting point for building ada: the system compiler on 112
>> does not support that) so there is no way it refers to there.
> Hmm, I'm not sure. I'm on GCC112, and it is in /opt/cfarm:
> $ ls /opt/cfarm/
> autoconf-latest ftp krb5-latest mpfr-latest python3-latest
> bison-latest gcc7rc2 m4-latest openssl-latest release
> cyrus-sasl-latest gcc-latest make-latest perl5-latest zlib-latest
> db-latest gmp-latest mpc-latest python2-latest
>> I know nothing about the build system you used, but it seems buggy.
> I used a GNUmakefile:
> CXX=/opt/cfarm/gcc7rc2/bin/g++ make -j 20
> Nothing special, as far as I know. Just using the latest compiler.
Why are you using /opt/cfarm instead of the default system compiler?
That is special. /opt/cfarm is not installed as an alternate system
compiler. It's not even the latest compiler. If you choose to
override the defaults and refer to a random compiler whose origin you
don't know, you may encounter unintended consequences, as you have
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