https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94586
--- Comment #15 from Steve Kargl <sgk at troutmask dot apl.washington.edu> --- On Wed, Apr 15, 2020 at 06:04:08PM +0000, dave.anglin at bell dot net wrote: > > /usr/lib/dld.sl: Unresolved symbol: strtoflt128 (data) from This should be in libquadmath. % nm /usr/home/kargl/work/lib/libquadmath.a | grep strtoflt strtoflt128.o: 00000880 T strtoflt128 > /test/gnu/gcc/objdir/hppa2.0w-hp-hpux11.11/./libgfortran/.libs/libgfortran.sl.5 > /usr/lib/dld.sl: Unresolved module for symbol: _gfortrani_si_max (code) from This should be in libgfortran and comes from libgfortran/io/read.c. It is unclear why it would be missing. Given that confusion that hpux seems to be causing for libgfortran, it seems the --disable-libquadmath is your best option.