+/* The definition of _GL_ARG_NONNULL is copied here. */
+
+/* The definition of _GL_WARN_ON_USE is copied here. */
+
+/* Helper macros to define a portability warning for the
+ classification macro FUNC called with VALUE. POSIX declares the
+ classification macros with an argument of real-floating (that is,
+ one of float, double, or long double). */
+#define _GL_WARN_REAL_FLOATING_DECL(func) \
+static inline int \
+rpl_ ## func ## f (float f) \
+{ \
+ return func (f); \
+} \
+static inline int \
+rpl_ ## func ## d (double d) \
+{ \
+ return func (d); \
+} \
+static inline int \
+rpl_ ## func ## l (long double l) \
+{ \
+ return func (l); \
+} \
+_GL_WARN_ON_USE (rpl_ ## func ## f, #func " is unportable - " \
+ "use gnulib module " #func " for portability"); \
+_GL_WARN_ON_USE (rpl_ ## func ## d, #func " is unportable - " \
+ "use gnulib module " #func " for portability"); \
+_GL_WARN_ON_USE (rpl_ ## func ## l, #func " is unportable - " \
+ "use gnulib module " #func " for portability")
+#define _GL_WARN_REAL_FLOATING_IMPL(func, value) \
+ (sizeof (value) == sizeof (float) ? rpl_ ## func ## f (value) \
+ : sizeof (value) == sizeof (double) ? rpl_ ## func ## d (value) \
+ : rpl_ ## func ## l (value))