diff --git a/sys/arch/arm32/include/limits.h b/sys/arch/arm32/include/limits.h
index 60ef5fad6337..439d47df9e7b 100644
--- a/sys/arch/arm32/include/limits.h
+++ b/sys/arch/arm32/include/limits.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: limits.h,v 1.5 1998/08/06 11:22:57 kleink Exp $	*/
+/*	$NetBSD: limits.h,v 1.6 1998/11/16 04:12:29 mycroft Exp $	*/
 
 /*
  * Copyright (c) 1988 The Regents of the University of California.
@@ -73,4 +73,18 @@
 #endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
 #endif /* !_ANSI_SOURCE */
 
+#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) || \
+    defined(_XOPEN_SOURCE)
+#define LONG_BIT	32
+#define WORD_BIT	32
+
+#define DBL_DIG		15
+#define DBL_MAX		1.7976931348623157E+308
+#define DBL_MIN		2.2250738585072014E-308
+
+#define FLT_DIG		6
+#define FLT_MAX		3.40282347E+38F
+#define FLT_MIN		1.17549435E-38F
+#endif
+
 #endif	/* _ARM32_LIMITS_H_ */
diff --git a/sys/arch/powerpc/include/limits.h b/sys/arch/powerpc/include/limits.h
index 728017e4dfd4..4c0f7fb02b63 100644
--- a/sys/arch/powerpc/include/limits.h
+++ b/sys/arch/powerpc/include/limits.h
@@ -1,4 +1,4 @@
-/*	$NetBSD: limits.h,v 1.4 1998/08/06 11:25:05 kleink Exp $	*/
+/*	$NetBSD: limits.h,v 1.5 1998/11/16 04:12:29 mycroft Exp $	*/
 
 /*-
  * Copyright (C) 1995, 1996 Wolfgang Solfrank.
@@ -67,4 +67,18 @@
 #endif	/* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
 #endif	/* !_ANSI_SOURCE */
 
+#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) || \
+    defined(_XOPEN_SOURCE)
+#define LONG_BIT	32
+#define WORD_BIT	32
+
+#define DBL_DIG		15
+#define DBL_MAX		1.7976931348623157E+308
+#define DBL_MIN		2.2250738585072014E-308
+
+#define FLT_DIG		6
+#define FLT_MAX		3.40282347E+38F
+#define FLT_MIN		1.17549435E-38F
+#endif
+
 #endif /* _MACHINE_LIMITS_H_ */