diff --git a/libjava/ChangeLog b/libjava/ChangeLog
index c59eb757b310..8463d7a0bf69 100644
--- a/libjava/ChangeLog
+++ b/libjava/ChangeLog
@@ -1,3 +1,8 @@
+2003-06-05  Matt Kraai  <kraai@alumni.cmu.edu>
+
+	* java/lang/w_exp.c (o_threshold, u_threshold): Define only
+	if _IEEE_LIBM is undefined.
+
 2002-06-05  Loren J. Rittle  <ljrittle@acm.org>
 
 	* libjava/include/posix.h (O_SYNC): Define if not available
diff --git a/libjava/java/lang/w_exp.c b/libjava/java/lang/w_exp.c
index ae792a84642e..45e087b45f9e 100644
--- a/libjava/java/lang/w_exp.c
+++ b/libjava/java/lang/w_exp.c
@@ -65,6 +65,8 @@ PORTABILITY
 
 #ifndef _DOUBLE_IS_32BITS
 
+#ifndef _IEEE_LIBM
+
 #ifdef __STDC__
 static const double
 #else
@@ -73,6 +75,8 @@ static double
 o_threshold=  7.09782712893383973096e+02,  /* 0x40862E42, 0xFEFA39EF */
 u_threshold= -7.45133219101941108420e+02;  /* 0xc0874910, 0xD52D3051 */
 
+#endif
+
 #ifdef __STDC__
 	double exp(double x)		/* wrapper exp */
 #else