From e3ba99bc58bc7d24d13948158449223d16a77479 Mon Sep 17 00:00:00 2001
From: Eric Andersen <andersen@codepoet.org>
Date: Wed, 3 Aug 2005 03:09:02 +0000
Subject: put back support for generating .config.cmd

---
 package/config/util.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'package/config/util.c')

diff --git a/package/config/util.c b/package/config/util.c
index 21e09a23d..8f65ccac5 100644
--- a/package/config/util.c
+++ b/package/config/util.c
@@ -26,6 +26,29 @@ struct file *file_lookup(const char *name)
 	return file;
 }
 
+/* write a dependency file as used by kbuild to track dependencies */
+int file_write_dep(const char *name)
+{
+	struct file *file;
+	FILE *out;
+
+	if (!name)
+		name = ".config.cmd";
+	out = fopen(".config.tmp", "w");
+	if (!out)
+		return 1;
+	fprintf(out, "deps_config := \\\n");
+	for (file = file_list; file; file = file->next) {
+		if (file->next)
+			fprintf(out, "\t%s \\\n", file->name);
+		else
+			fprintf(out, "\t%s\n", file->name);
+	}
+	fprintf(out, "\n.config include/config.h: $(deps_config)\n\n$(deps_config):\n");
+	fclose(out);
+	rename(".config.tmp", name);
+	return 0;
+}
 
 /* Allocate initial growable sting */
 struct gstr str_new(void)
-- 
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