--- mkdep.c.orig	Fri May 31 21:59:07 2002
+++ mkdep.c	Fri May 31 21:41:41 2002
@@ -268,7 +268,7 @@
 
 	for (i = 0; i < len; i++) {
 	    char c = name[i];
-	    if (isupper(c)) c = tolower(c);
+	    if (isupper((int)c)) c = tolower((int)c);
 	    if (c == '_')   c = '/';
 	    pc[i] = c;
 	}
@@ -496,7 +496,7 @@
 
 /* \<CONFIG_(\w*) */
 cee:
-	if (next >= map+2 && (isalnum(next[-2]) || next[-2] == '_'))
+	if (next >= map+2 && (isalnum((int)next[-2]) || next[-2] == '_'))
 		goto start;
 	GETNEXT NOTCASE('O', __start);
 	GETNEXT NOTCASE('N', __start);
--- split-include.c.orig	Fri May 31 21:57:10 2002
+++ split-include.c	Fri May 31 21:41:41 2002
@@ -115,10 +115,10 @@
 
 	/* Make the output file name. */
 	str_config += sizeof("CONFIG_") - 1;
-	for (itarget = 0; !isspace(str_config[itarget]); itarget++)
+	for (itarget = 0; !isspace((int)str_config[itarget]); itarget++)
 	{
 	    char c = str_config[itarget];
-	    if (isupper(c)) c = tolower(c);
+	    if (isupper((int)c)) c = tolower((int)c);
 	    if (c == '_')   c = '/';
 	    ptarget[itarget] = c;
 	}