Add a new "files" directive, which allows to include a files.foo file directly

from a kernel config file.
Bump config version to reflect this change.

usr.sbin/config/config.h

@@ -54,6 +54,11 @@ struct file_list {
 	char	*f_warn;		/* warning message */
 };
 
+struct files_name {
+	char *f_name;
+	STAILQ_ENTRY(files_name) f_next;
+};
+
 /*
  * Types.
  */
@@ -156,6 +161,8 @@ extern const	char *yyfile;
 
 extern STAILQ_HEAD(file_list_head, file_list) ftab;
 
+extern STAILQ_HEAD(files_name_head, files_name) fntab;
+
 extern int	profiling;
 extern int	debugging;
 

usr.sbin/config/config.y

@@ -22,6 +22,7 @@
 %token	NOMAKEOPTION 
 %token	SEMICOLON
 %token	INCLUDE
+%token	FILES
 
 %token	<str>	ID
 %token	<val>	NUMBER
@@ -84,6 +85,7 @@ int	hintmode;
 int	yyline;
 const	char *yyfile;
 struct  file_list_head ftab;
+struct  files_name_head fntab;
 char	errbuf[80];
 int	maxusers;
 
@@ -121,6 +123,9 @@ Spec:
 	INCLUDE ID SEMICOLON
 	      = { include($2, 0); };
 		|
+	FILES ID SEMICOLON
+	      = { newfile($2); };
+	        |
 	SEMICOLON
 		|
 	error SEMICOLON
@@ -275,6 +280,20 @@ yyerror(const char *s)
 	errx(1, "%s:%d: %s", yyfile, yyline + 1, s);
 }
 
+/*
+ * Add a new file to the list of files.
+ */
+static void
+newfile(char *name)
+{
+	struct files_name *nl;
+	
+	nl = (struct files_name *) malloc(sizeof *nl);
+	bzero(nl, sizeof *nl);
+	nl->f_name = name;
+	STAILQ_INSERT_TAIL(&fntab, nl, f_next);
+}
+	
 /*
  * add a device to the list of devices
  */

usr.sbin/config/configvers.h

@@ -8,4 +8,4 @@
  *
  * $FreeBSD$
  */
-#define	CONFIGVERS	500012
+#define	CONFIGVERS	500013

usr.sbin/config/lang.l

@@ -80,6 +80,7 @@ struct kt {
 	{ "options",	OPTIONS },
 	{ "nooption",	NOOPTION },
 	{ "include",	INCLUDE },
+	{ "files", 	FILES },
 	{ 0, 0 },
 };
 

usr.sbin/config/main.c

@@ -145,7 +145,9 @@ main(int argc, char **argv)
 		errx(2, "%s isn't a directory", p);
 
 	STAILQ_INIT(&dtab);
+	STAILQ_INIT(&fntab);
 	SLIST_INIT(&cputype);
+	STAILQ_INIT(&ftab);
 	yyfile = *argv;
 	if (yyparse())
 		exit(3);

usr.sbin/config/mkmakefile.c

@@ -293,29 +293,17 @@ makefile(void)
 	moveifchanged(path("env.c.new"), path("env.c"));
 }
 
-/*
- * Read in the information about files used in making the system.
- * Store it in the ftab linked list.
- */
-static void
-read_files(void)
+void
+read_file(char *fname)
 {
 	FILE *fp;
 	struct file_list *tp, *pf;
 	struct device *dp;
 	struct opt *op;
 	char *wd, *this, *needs, *compilewith, *depends, *clean, *warning;
-	char fname[MAXPATHLEN];
-	int nreqs, first = 1, isdup, std, filetype,
+	int nreqs, isdup, std, filetype,
 	    imp_rule, no_obj, needcount, before_depend, mandatory, nowerror;
 
-	STAILQ_INIT(&ftab);
-	if (ident == NULL) {
-		printf("no ident line specified\n");
-		exit(1);
-	}
-	(void) snprintf(fname, sizeof(fname), "../../conf/files");
-openit:
 	fp = fopen(fname, "r");
 	if (fp == 0)
 		err(1, "%s", fname);
@@ -330,19 +318,8 @@ read_files(void)
 	wd = get_word(fp);
 	if (wd == (char *)EOF) {
 		(void) fclose(fp);
-		if (first == 1) {
-			first++;
-			(void) snprintf(fname, sizeof(fname),
-			    "../../conf/files.%s", machinename);
-			fp = fopen(fname, "r");
-			if (fp != 0)
-				goto next;
-			(void) snprintf(fname, sizeof(fname),
-			    "files.%s", machinename);
-			goto openit;
-		}
 		return;
-	}
+	} 
 	if (wd == 0)
 		goto next;
 	if (wd[0] == '#')
@@ -557,6 +534,34 @@ read_files(void)
 	goto next;
 }
 
+/*
+ * Read in the information about files used in making the system.
+ * Store it in the ftab linked list.
+ */
+static void
+read_files(void)
+{
+	char fname[MAXPATHLEN];
+	FILE *fp;
+	struct files_name *nl, *tnl;
+	
+	if (ident == NULL) {
+		printf("no ident line specified\n");
+		exit(1);
+	}
+	(void) snprintf(fname, sizeof(fname), "../../conf/files");
+	read_file(fname);
+	(void) snprintf(fname, sizeof(fname),
+		       	"../../conf/files.%s", machinename);
+	read_file(fname);
+	for (nl = STAILQ_FIRST(&fntab); nl != NULL; nl = tnl) {
+		read_file(nl->f_name);
+		tnl = STAILQ_NEXT(nl, f_next);
+		free(nl->f_name);
+		free(nl);
+	}
+}
+
 static int
 opteq(const char *cp, const char *dp)
 {