On Mon, 2018-06-25 at 21:36 -0700, Alice Wonder wrote:
> Binary compiled on a system with ggc 5.5.0 w/ libstdc++.so.6.0.21
>
> Because the major version is libstdc++.so.6 there shouldn't be any
> problems running it on CentOS 7 with libstdc++.so.6.0.19, right?
'Fraid not - there are sub versions within libstdc++.so.6. Do
strings /usr/lib64/libstdc++.so.6 | grep LIBCXX
on a CentOS6 system it gives:
libstdc++.so.6.0.13
GLIBCXX_3.4
GLIBCXX_3.4.1
GLIBCXX_3.4.2
GLIBCXX_3.4.3
.
.
GLIBCXX_3.4.11
GLIBCXX_3.4.12
GLIBCXX_3.4.13
CentOS7:
libstdc++.so.6.0.19
GLIBCXX_3.4
GLIBCXX_3.4.1
GLIBCXX_3.4.2
GLIBCXX_3.4.3
.
.
.
GLIBCXX_3.4.17
GLIBCXX_3.4.18
GLIBCXX_3.4.19
Fedora 28:
libstdc++.so.6.0.25
GLIBCXX_3.4
GLIBCXX_3.4.1
GLIBCXX_3.4.2
GLIBCXX_3.4.3
.
.
.
GLIBCXX_3.4.23
GLIBCXX_3.4.24
GLIBCXX_3.4.25
So the binary will almost certainly complain about the wrong version
even though it is all ostensibly libstdc++.so.6
P.
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