1 files changed, 4 insertions, 0 deletions

diff --git a/src/m/sparc.h b/src/m/sparc.h
index f1634032992..b1c9bf9cda4 100644
--- a/src/m/sparc.h
+++ b/src/m/sparc.h
@@ -26,6 +26,10 @@ Use -opsystem=sunos4 for operating system version 4, and
 -opsystem=bsd4-2 for earlier versions.
 NOTE-END  */
 
+/* This defines the FSCALE constant, which this file uses in the LOAD_AVE_CVT
+   macro.  */
+#include <sys/param.h>
+
 /* The following three symbols give information on
  the size of various data types.  */