This patch make lld show following details for undefined symbol errors:
- file (line)
- file (function name)
- file (section name + offset)
Differential revision: https://reviews.llvm.org/D25826
llvm-svn: 285186
Just do not allow to link shared library if there are
undefined symbols.
This fixes PR27447
Differential revision: http://reviews.llvm.org/D20169
llvm-svn: 269183