http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54012
--- Comment #11 from Sergey Rodionov <astroseger at gmail dot com> 2012-10-30 22:37:40 UTC --- (In reply to comment #10) > (In reply to comment #9) > > "ldd bad": > > linux-vdso.so.1 => (0x00007fffd97ff000) > > libquadmath.so.0 => /usr/lib64/libquadmath.so.0 (0x00007f74e80ec000) > > Could you try linking libquadmath directly instead of libgfortran (which > implies libquadmath)? > > > The reason is that libquadmath installs, if possible, GLIBC's printf hooks, > cf. > http://gcc.gnu.org/onlinedocs/libquadmath/quadmath_005fsnprintf.html > and the source code at > http://gcc.gnu.org/viewcvs/trunk/libquadmath/printf/quadmath-printf.c?view=markup > > With those hooks, "printf("%Qe\n", float128_number)" will work. In principle, > it shouldn't cause those issues, but depending on the GLIBC version it might. > > > (If libquadmath is the cause, it also explains that it works with -static as > libgfortran only statically links libquadmath if needed.) Yes. you are right. The real problem is libquadmath. If I compile with -lquadmath it crash... But interesting that quadmath_snprintf by itself works...
