This option enables you to control symbol visibility when building SVr4 shared objects.
--no_hide_all to force the compiler
to use STV_DEFAULT visibility for all
and functions if they do not use
This also forces them to be preemptible at runtime by a dynamic
When building a System V or ARM Linux shared library, use
--hide_all to set the visibility to
so that symbols cannot be dynamically linked.
Symbol visibility for BPABI models in Using the Linker
--symver_script=file in the Linker Reference