Checking patch bits/flt-eval-method.h...
error: while searching for:
   -1.  */

/* In the default version of this header, follow __FLT_EVAL_METHOD__.
   -1 is mapped to 2 (considering evaluation as long double to be a
   conservatively safe assumption), and if __FLT_EVAL_METHOD__ is not
   defined then assume there is no excess precision and use the value
   0.  */

#ifdef __FLT_EVAL_METHOD__
# if __FLT_EVAL_METHOD__ == -1
#  define __GLIBC_FLT_EVAL_METHOD	2
# else
#  define __GLIBC_FLT_EVAL_METHOD	__FLT_EVAL_METHOD__
# endif

error: patch failed: bits/flt-eval-method.h:26
error: bits/flt-eval-method.h: patch does not apply