NetBSD/src cl9AY2Oexternal/gpl3/gcc/lib Makefile.gthr, external/gpl3/gcc/lib/libgomp Makefile

   - fix Makefile.gthr CONFIG_LINKS handling.  demand only that
     gthr-default.h source be found.  fix installing the symlink.
   - -Wno-error=incompatible-pointer-types needed for libgomp/lock.c
   - build new libsupc++ files with -std=gnu++1z
   - install new libstdc++ bits files. (XXX use bits_sup_headers
     from libstdc++/include/Makefile.am with mknative-gccm)
   - start to get libstdc++ to build: various flag updates.
VersionDeltaFile
1.3+28-7external/gpl3/gcc/lib/Makefile.gthr
1.36+13-7external/gpl3/gcc/lib/libstdc++-v3/Makefile
1.22+11-4external/gpl3/gcc/lib/libstdc++-v3/include/bits/Makefile
1.10+11-1external/gpl3/gcc/lib/libsupc++/Makefile.common
1.21+4-1external/gpl3/gcc/lib/libgomp/Makefile
+67-205 files

UnifiedSplitRaw