Comment 18 for bug 1819013

I was also affected in 16.04 ppc64el and I fixed downloading IBM adv toolchain for Ubuntu from here
 https://developer.ibm.com/linuxonpower/advance-toolchain/.
Only rte is necessary and I also modify PATH to prepend /opt/at12.0/bin following the ibm istro.
If you want to avoid this hidden dependency you have to uninstall toolchain and rebuild the package.
AT replaces on the fly libstdc++ with a newer one with 3.4.22 in fact:

strings /opt/at12.0/lib64/libstdc++.so.6|grep GLIBCXX
GLIBCXX_3.4
GLIBCXX_3.4.1
GLIBCXX_3.4.2
GLIBCXX_3.4.3
GLIBCXX_3.4.4
GLIBCXX_3.4.5
GLIBCXX_3.4.6
GLIBCXX_3.4.7
GLIBCXX_3.4.8
GLIBCXX_3.4.9
GLIBCXX_3.4.10
GLIBCXX_3.4.11
GLIBCXX_3.4.12
GLIBCXX_3.4.13
GLIBCXX_3.4.14
GLIBCXX_3.4.15
GLIBCXX_3.4.16
GLIBCXX_3.4.17
GLIBCXX_3.4.18
GLIBCXX_3.4.19
GLIBCXX_3.4.20
GLIBCXX_3.4.21
GLIBCXX_3.4.22
GLIBCXX_3.4.23
GLIBCXX_3.4.24
GLIBCXX_3.4.25
GLIBCXX_LDBL_3.4
GLIBCXX_LDBL_3.4.7
GLIBCXX_LDBL_3.4.10
GLIBCXX_LDBL_3.4.21
GLIBCXX_FORCE_NEW
GLIBCXX_DEBUG_MESSAGE_LENGTH