In message <20010530002923.15333.qmail@mail.netbsd.org>
	on Wed, 30 May 2001 09:30:57 +0900,
	Takahiro Kambe <taca@sky.yamashina.kyoto.jp> wrote:
> Anyway, here is my several minitues simple (or dirty) hack.  Warning
> message sould be ignored that honoring some options.
Oh, please ignore previouse one.

--
Takahiro Kambe <taca@sky.yamashina.kyoto.jp>

--- main.c.orig	Sat Jan 20 17:22:18 2001
+++ main.c	Wed May 30 09:33:11 2001
@@ -808,7 +808,7 @@
 	} else if (!ReadMakefile("makefile", NULL))
 		(void)ReadMakefile("Makefile", NULL);
 
-	(void)ReadMakefile(".depend", NULL);
+	(void)ReadMakefile(".depend", "dummy");
 
 	Var_Append("MFLAGS", Var_Value(MAKEFLAGS, VAR_GLOBAL, &p1), VAR_GLOBAL);
 	if (p1)
@@ -975,6 +975,9 @@
 	FILE *stream;
 	size_t len = MAXPATHLEN;
 	char *name, *path = emalloc(len);
+	struct stat st;
+	time_t cur_mtime;
+	static time_t old_mtime;
 
 	if (!strcmp(fname, "-")) {
 		Parse_File("(stdin)", stdin);
@@ -1007,8 +1010,19 @@
 		 * placement of the setting here means it gets set to the last
 		 * makefile specified, as it is set by SysV make.
 		 */
-found:		Var_Set("MAKEFILE", fname, VAR_GLOBAL);
-		Parse_File(fname, stream);
+found:		if (fstat(fileno(stream), &st) == 0)
+			cur_mtime = st.st_mtime;
+		else
+			cur_mtime = old_mtime;
+		if (q == NULL || cur_mtime > old_mtime) {
+			Var_Set("MAKEFILE", fname, VAR_GLOBAL);
+			Parse_File(fname, stream);
+			if (cut_mtime > old_mtime)
+				old_mtime = cur_mtime;
+		} else if (q != NULL && cur_mtime <= old_mtime)
+			(void)fprintf(stderr,
+				      "make warning: older %s was ignored,\n",
+				      fname);
 		(void)fclose(stream);
 	}
 	free(path);