https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87190
--- Comment #1 from Jeffrey Walton <noloader at gmail dot com> --- In case it is needed, here's the citation for "Remember the docs say all symbols are private (not some symbols)": https://gcc.gnu.org/onlinedocs/gcc/Code-Gen-Options.html: Set the default ELF image symbol visibility to the specified option—all symbols are marked with this unless overridden within the code. Using this feature can very substantially improve linking and load times of shared object libraries, produce more optimized code, provide near-perfect API export and prevent symbol clashes. It is strongly recommended that you use this in any shared objects you distribute...
