diff -Naurp a/stdio-common/printf_fp.c b/stdio-common/printf_fp.c

--- a/stdio-common/printf_fp.c	2021-02-03 16:46:26.887807279 +0000

+++ b/stdio-common/printf_fp.c	2021-02-03 16:50:16.604469900 +0000

@@ -151,6 +151,7 @@ static wchar_t *group_number (wchar_t *b

 			      wchar_t thousands_sep, int ngroups)

      internal_function;

+#ifndef __NO_LONG_DOUBLE_MATH

 static __always_inline int

 isnanl_or_pseudo (long double in)

 {

@@ -172,6 +173,7 @@ isnanl_or_pseudo (long double in)

   return __isnanl (in);

 #endif

 }

+#endif

 int