diff --git a/libiberty/ChangeLog b/libiberty/ChangeLog
index 6d11a07ae81e..c1d0598f817f 100644
--- a/libiberty/ChangeLog
+++ b/libiberty/ChangeLog
@@ -1,3 +1,7 @@
+2000-05-18  J. David Anglin  <dave@hiauly1.hia.nrc.ca>
+
+	* xmalloc.c: Include config.h for HAVE_SBRK definition.
+
 2000-05-16  Horst von Brand <vonbrand@sleipnir.valparaiso.cl>
 
         * hashtab.c (hash_pointer): Delete low-order bits which are
diff --git a/libiberty/xmalloc.c b/libiberty/xmalloc.c
index 621c6d216c7a..08c23f8126ea 100644
--- a/libiberty/xmalloc.c
+++ b/libiberty/xmalloc.c
@@ -17,6 +17,9 @@ License along with libiberty; see the file COPYING.LIB.  If
 not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
 #include "ansidecl.h"
 #include "libiberty.h"