In the scripts/Makefile.build, use KCONFIG_AUTOCONFIG to include a
custom path for the "auto.conf" file.
The "*conf" programs were modified so as to work with the environment
variable KCONFIG_AUTOCONFIG.
---
scripts/Makefile.build | 3 ++-
scripts/kconfig/confdata.c | 27 ++++++++++++++++++++++++++-
scripts/kconfig/lkc.h | 1 +
3 files changed, 29 insertions(+), 2 deletions(-)
diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index 003bc26..49517ef 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -31,7 +31,8 @@ subdir-asflags-y :=
subdir-ccflags-y :=
# Read auto.conf if it exists, otherwise ignore
--include include/config/auto.conf
+kconfig-autoconfig := $(if
$(KCONFIG_AUTOCONFIG),$(KCONFIG_AUTOCONFIG),include/config/auto.conf)
+-include $(kconfig-autoconfig)
include scripts/Kbuild.include
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index f88d90f..d4d8920 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -75,6 +75,27 @@ const char *conf_get_autoconfig_name(void)
return name ? name : "include/config/auto.conf";
}
+#define PATH_MAXLENGTH 4096
+const char *conf_get_autoconfigdep_name(void)
+{
+ static char res_value[PATH_MAXLENGTH];
+
+ char *name = getenv("KCONFIG_AUTOCONFIG");
+
+ if (name == NULL)
+ name = "include/config/auto.conf.cmd";
+ if (strlen(name) > PATH_MAXLENGTH - 5)
+ name = NULL;
+ else {
+ res_value[0] = 0;
+ strncpy(res_value, name, PATH_MAXLENGTH);
+ strcat(res_value, ".cmd");
+ name = res_value;
+ }
+
+ return name;
+}
+
static char *conf_expand_value(const char *in)
{
struct symbol *sym;
@@ -953,7 +974,11 @@ int conf_write_autoconf(void)
sym_clear_all_valid();
- file_write_dep("include/config/auto.conf.cmd");
+ name = conf_get_autoconfigdep_name();
+ if (name == NULL)
+ return 1;
+
+ 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);
--
1.9.3
--
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