diff -rup a/modules/fdlibm/src/math_private.h b/modules/fdlibm/src/math_private.h
--- a/modules/fdlibm/src/math_private.h	2024-10-22 01:59:57.000000000 +0200
+++ b/modules/fdlibm/src/math_private.h	2024-11-19 09:16:00.223397014 +0100
@@ -17,6 +17,9 @@
 #ifndef _MATH_PRIVATE_H_
 #define	_MATH_PRIVATE_H_
 
+#include <float.h>
+#include <math.h>
+#include <cmath>
 #include <cfloat>
 #include <stdint.h>
 #include <sys/types.h>
@@ -31,7 +34,9 @@
  */
 
 typedef double      __double_t;
+#if ! (defined (__GLIBC_FLT_EVAL_METHOD) || defined (_GLIBCXX_HAVE_C99_FLT_EVAL_TYPES))
 typedef __double_t  double_t;
+#endif
 typedef float       __float_t;
 
 /*