http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53833
--- Comment #2 from Larry Baker <baker at usgs dot gov> 2012-09-12 20:55:00 UTC --- Same bug occurs fo GCC 4.8. Here's the patch I used to build a GCC 4.8 cross-compiler: --- gcc-4.8-20120909/libgcc/config.host +++ gcc-4.8-20120909-patched/libgcc/config.host @@ -704,3 +704,3 @@ m68k-*-uclinux*) # Motorola m68k/ColdFire running uClinux with uClibc - tmake_file="$tmake_file m68k/t-floatlib m68k/t-linux" + tmake_file="$tmake_file m68k/t-floatlib" md_unwind_header=m68k/linux-unwind.h