--- /dev/null
+--- a/include/math.h
++++ b/include/math.h
+@@ -299,6 +299,11 @@
+
+ #endif /* Use ISO C99. */
+
++/* BSD compat */
++#define finite(x) __finite(x)
++#define finitef(x) __finitef(x)
++#define finitel(x) __finitel(x)
++
+ #ifdef __USE_MISC
+ /* Support for various different standard error handling behaviors. */
+ typedef enum
--- /dev/null
+--- a/include/math.h
++++ b/include/math.h
+@@ -299,6 +299,11 @@
+
+ #endif /* Use ISO C99. */
+
++/* BSD compat */
++#define finite(x) __finite(x)
++#define finitef(x) __finitef(x)
++#define finitel(x) __finitel(x)
++
+ #ifdef __USE_MISC
+ /* Support for various different standard error handling behaviors. */
+ typedef enum