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[Taco Hoekwater <taco@xxxxxxxxxxxxx>]

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Mojca Miklavec wrote:
> How does pdftex building process decide which one to use in case that
> both are installed?

The process doesn't do anything explicit, the system's gcc install
controls this automatically when you install 'libstdc++-static'.
If your system is new enough to have libstdc++.so.6, that is what
it will use. If the system is so old that it doesn't have
libstdc++.so.6, only .5, then the static version of libstdc++ will
automatically also have that version).


Any packages with an explicit version number, like 'libstdc++5', are
meant for backward compatibilty with older precompiled programs.
Those will not be used by the compiler, and by the runtime link
resolver.

Best wishes,
Taco