1  #include <math.h>
       2  #include <math_ldbl_opt.h>
       3  #undef weak_alias
       4  #define weak_alias(n,a)
       5  #define __signbitl(arg) ___signbitl(arg)
       6  #include <sysdeps/ieee754/ldbl-128/s_signbitl.c>
       7  #undef __signbitl
       8  #if IS_IN (libm)
       9  long_double_symbol (libm, ___signbitl, __signbitl);
      10  #else
      11  long_double_symbol (libc, ___signbitl, __signbitl);
      12  #endif