FreeBSD/src d8a0c86 (r344463)lib/libc Makefile, lib/libc/amd64/gen getcontextx.c Makefile.inc

Revert r344436, which was the merge of r344120.

Currently stable/12 i386 installs old ld.bfd as ld (WITHOUT_LLD_IS_LD),
which prevents ifunc relocations from working properly.  If a static
binary is linked, then it looses libc relocations needed.

The stable i386 branch uses ld.lld for the world build (WITH_LLD_BOOTSTRAP),
which is why static binaries from the base do not have the issue.

Reported and diagnosted by:     antoine
DeltaFile
+145-0lib/libc/i386/gen/getcontextx.c
+0-140lib/libc/x86/gen/getcontextx.c
+113-0lib/libc/amd64/gen/getcontextx.c
+0-6lib/libc/x86/gen/Makefile.inc
+1-1lib/libc/i386/gen/Makefile.inc
+1-1lib/libc/amd64/gen/Makefile.inc
+0-1lib/libc/Makefile
+260-1497 files

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