https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82048
--- Comment #5 from Aaro Koskinen <aaro.koskinen at iki dot fi> --- > Is there any workaround other than downgrading to glibc 2.24 on SPARC? If you always re-install the 64-bit glibc build after 32-bit one, that should restore the correct version of long-double.h.