Allow users to use a non-system version of perl, python and awk, which is useful
in certain package managers.
Reviewed By: JDevlieghere, MaskRay
Differential Revision: https://reviews.llvm.org/D95119
both input and output to render everything in C++, but that will be the
next patch. For now, it just runs nm and greps each .o or .a file for
the desired symbol.
llvm-svn: 27003