Gentoo's Bugzilla –
Attachment 794276 Details for
Bug 860987media-tv/mythtv-33.1-r1 fails to compile (lto): ld: ccE2NFbL.ltrans8.ltrans.o: relocation R_X86_64_PC32 against undefined symbol `mask24l' can not be used when making a shared object; recompile with -fPIC