[PATCH] kconfig: OVERRIDE: save kernel version in .config file

[Randy.Dunlap]

On Fri, 17 Sep 2004 10:20:24 -0700 Randy.Dunlap wrote:

| On Fri, 17 Sep 2004 17:43:46 +0200 Olaf Hering wrote:
| 
| | Randy,
| | 
| | we need a way to turn the timestamp off when running make oldconfig.
| | Running make oldconfig gives always a delta, even if the .config is
| | unchanged. This is bad for cvs repos, it generates conflicts now if 2
| | people work on the same config file.
| | Please provide a patch to not call ctime if a non-empty enviroment
| | variable of your choice is set.
| 
| How's this?

Let's be a little safer in checking "NOTIMESTAMP".

Omit .config file timestamp in the file if the environment variable
"NOTIMESTAMP" exists and is non-null.

Signed-off-by: Randy Dunlap <rddunlap@xxxxxxxx>


diffstat:=
 scripts/kconfig/confdata.c |   16 ++++++++++++----
 1 files changed, 12 insertions(+), 4 deletions(-)

diff -Naurp ./scripts/kconfig/confdata.c~nostamp ./scripts/kconfig/confdata.c
--- ./scripts/kconfig/confdata.c~nostamp	2004-09-14 14:21:50.855120560 -0700
+++ ./scripts/kconfig/confdata.c	2004-09-17 09:31:22.655220200 -0700
@@ -270,6 +270,8 @@ int conf_write(const char *name)
 	int type, l;
 	const char *str;
 	time_t now;
+	int use_timestamp = 1;
+	char *env;
 
 	dirname[0] = 0;
 	if (name && name[0]) {
@@ -306,22 +308,28 @@ int conf_write(const char *name)
 	sym = sym_lookup("KERNELRELEASE", 0);
 	sym_calc_value(sym);
 	time(&now);
+	env = getenv("NOTIMESTAMP");
+	if (env && *env)
+		use_timestamp = 0;
+
 	fprintf(out, "#\n"
 		     "# Automatically generated make config: don't edit\n"
 		     "# Linux kernel version: %s\n"
-		     "# %s"
+		     "%s%s"
 		     "#\n",
 		     sym_get_string_value(sym),
-		     ctime(&now));
+		     use_timestamp ? "# " : "",
+		     use_timestamp ? ctime(&now) : "");
 	if (out_h)
 		fprintf(out_h, "/*\n"
 			       " * Automatically generated C config: don't edit\n"
 			       " * Linux kernel version: %s\n"
-			       " * %s"
+			       "%s%s"
 			       " */\n"
 			       "#define AUTOCONF_INCLUDED\n",
 			       sym_get_string_value(sym),
-			       ctime(&now));
+			       use_timestamp ? " * " : "",
+			       use_timestamp ? ctime(&now) : "");
 
 	if (!sym_change_count)
 		sym_clear_all_valid();


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