Do not install libiberty.a to aviod conflicts with devel/gnulibiberty [0]
Do not install include/ansidecl.h, to avoid conflicts with gcc49 [1]
Fix gold usage when linking c++ code, related to ctors [2]
Thanks to dim for help with getting gold to build with libc++!
PR: ports/176406 [0], ports/184327 [1]
Submitted by: Craig Leres <leres@ee.lbl.gov> [0]
Gerald Pfeifer <gerald@pfeifer.com> [1]
Requested by: rdivacky [2]
