diff -urN SNNSv4.2.orig/tools/sources/Makefile SNNSv4.2/tools/sources/Makefile
--- SNNSv4.2.orig/tools/sources/Makefile	Thu Sep  3 23:37:47 1998
+++ SNNSv4.2/tools/sources/Makefile	Sun Jun 27 20:46:30 1999
@@ -110,7 +110,7 @@
 tools:       $(TOOLS_PRG) $(KRTOOLS_PRG) $(BATCH_PRG)
 
 $(TOOLSBINDIR):
-	-mkdir $(TOOLSBINDIR)
+	-mkdir -p $(TOOLSBINDIR)
 
 install: tools $(TOOLSBINDIR)
 	for tooltarget in $(TOOLS_PRG) $(KRTOOLS_PRG) $(BATCH_PRG) ; do \
diff -urN SNNSv4.2.orig/tools/sources/symtab.c SNNSv4.2/tools/sources/symtab.c
--- SNNSv4.2.orig/tools/sources/symtab.c	Thu Sep  3 23:37:59 1998
+++ SNNSv4.2/tools/sources/symtab.c	Sun Jun 27 19:20:15 1999
@@ -22,7 +22,7 @@
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
-#include <math.h>             /* for MAXFLOAT */
+#include <values.h>             /* for MAXFLOAT */
 
 #include "symtab.ph"
 #include "arglist.h"
