diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 90437bac5..1b3ed8c4a 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,8 @@
+2001-01-23  Jeff Johnston  <jjohnstn@redhat.com>
+
+	* libc/include/math.h (signgam): Changed to a macro refering to
+	its location in the reentrant structure.
+
 2001-01-23  Jeff Johnston  <jjohnstn@redhat.com>
 
 	* libc/stdio/vfprintf.c (_VFPRINTF_R): Modification to fix
diff --git a/newlib/libc/include/math.h b/newlib/libc/include/math.h
index f092aff19..fe57b1b58 100644
--- a/newlib/libc/include/math.h
+++ b/newlib/libc/include/math.h
@@ -186,7 +186,7 @@ extern float dremf _PARAMS((float, float));
 
 /* The gamma functions use a global variable, signgam.  */
 
-extern __IMPORT int signgam;
+#define signgam (_impure_ptr->_new._reent._gamma_signgam)
 
 /* The exception structure passed to the matherr routine.  */