Version script help needed

[Doug Evans]

Ulrich Drepper writes:
 > > Personally, I believe it is a bfd bug. Basically, elf_link_assign_sym_version
 > > matches divdi3 with VEROLD for
 > 
 > You cannot simply allow this.  Conider all the different situations. 
 > What if a symbol is undefined for more than one version name?  Or what 
 > if .symver isn't used and adding the version script to the linker 
 > command line is forgotten?
 > 
 > Requiring .symver is a deliberate decision to catch mistakes.

Is this documented somewhere?