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-rw-r--r--scripts/kconfig/confdata.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index fad403dfa508..91d0a5c014ac 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -1013,13 +1013,17 @@ out:
return res;
}
-int conf_write_autoconf(void)
+int conf_write_autoconf(int overwrite)
{
struct symbol *sym;
const char *name;
+ const char *autoconf_name = conf_get_autoconfig_name();
FILE *out, *tristate, *out_h;
int i;
+ if (!overwrite && is_present(autoconf_name))
+ return 0;
+
sym_clear_all_valid();
conf_write_dep("include/config/auto.conf.cmd");
@@ -1082,14 +1086,13 @@ int conf_write_autoconf(void)
if (rename(".tmpconfig_tristate", name))
return 1;
- name = conf_get_autoconfig_name();
- if (make_parent_dir(name))
+ if (make_parent_dir(autoconf_name))
return 1;
/*
* This must be the last step, kbuild has a dependency on auto.conf
* and this marks the successful completion of the previous steps.
*/
- if (rename(".tmpconfig", name))
+ if (rename(".tmpconfig", autoconf_name))
return 1;
return 0;