https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68468
--- Comment #4 from Waldemar Brodkorb <wbx at openadk dot org> --- Both fr-v/bfin toolchains can be build by using something like this: diff -Nur gcc-6.1.0.orig/libgcc/config.host gcc-6.1.0/libgcc/config.host --- gcc-6.1.0.orig/libgcc/config.host 2016-02-26 21:02:28.000000000 +0100 +++ gcc-6.1.0/libgcc/config.host 2016-04-30 20:49:06.542101273 +0200 @@ -231,7 +231,7 @@ esac ;; *-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu) - tmake_file="$tmake_file t-crtstuff-pic t-libgcc-pic t-eh-dw2-dip t-slibgcc t-slibgcc-gld t-slibgcc-elf-ver t-linux" + tmake_file="$tmake_file t-crtstuff-pic t-libgcc-pic t-slibgcc t-slibgcc-gld t-slibgcc-elf-ver t-linux" extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o" if test x$enable_vtable_verify = xyes; then extra_parts="$extra_parts vtv_start.o vtv_end.o vtv_start_preinit.o vtv_end_preinit.o" Who should have provided the missing struct?