[PATCH 02/34] kbuild: Introduce KCONFIG_AUTOCONFIGDEP variable for conf tool

[Alexis Berlemont]

From: Jiri Olsa <jolsa@xxxxxxxxxx>

Introducing KCONFIG_AUTOCONFIGDEP variable for conf tool
allowing to specify custom auto.conf.cmd file.

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Corey Ashford <cjashfor@xxxxxxxxxxxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Michal Marek <mmarek@xxxxxxx>
Cc: linux-kbuild@xxxxxxxxxxxxxxx
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
---
 scripts/kconfig/confdata.c | 11 ++++++++++-
 scripts/kconfig/lkc.h      |  1 +
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index f88d90f..7afb2a7 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -75,6 +75,14 @@ const char *conf_get_autoconfig_name(void)
 	return name ? name : "include/config/auto.conf";
 }
 
+const char *conf_get_autoconfigdep_name(void)
+{
+	char *name = getenv("KCONFIG_AUTOCONFIGDEP");
+
+	return name ? name : "include/config/auto.conf.cmd";
+}
+
+
 static char *conf_expand_value(const char *in)
 {
 	struct symbol *sym;
@@ -953,7 +961,8 @@ int conf_write_autoconf(void)
 
 	sym_clear_all_valid();
 
-	file_write_dep("include/config/auto.conf.cmd");
+	name = conf_get_autoconfigdep_name();
+	file_write_dep(name);
 
 	if (conf_split_config())
 		return 1;
diff --git a/scripts/kconfig/lkc.h b/scripts/kconfig/lkc.h
index d5daa7a..ac99004 100644
--- a/scripts/kconfig/lkc.h
+++ b/scripts/kconfig/lkc.h
@@ -84,6 +84,7 @@ const char *zconf_curname(void);
 /* confdata.c */
 const char *conf_get_configname(void);
 const char *conf_get_autoconfig_name(void);
+const char *conf_get_autoconfigdep_name(void);
 char *conf_get_default_confname(void);
 void sym_set_change_count(int count);
 void sym_add_change_count(int count);
-- 
1.9.2

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