On Fri, Feb 11, 2022 at 6:29 PM <3090101217@xxxxxxxxxx> wrote:
>
> From: Jing Leng <jleng@xxxxxxxxxxxxx>
>
> When the KCONFIG_AUTOCONFIG is specified (e.g. export \
> KCONFIG_AUTOCONFIG=output/config/auto.conf), the directory of
> include/config/ will not be created, so kconfig can't create deps
> files in it and auto.conf can't be generated.
>
> Signed-off-by: Jing Leng <jleng@xxxxxxxxxxxxx>
Applied to linux-kbuild/fixes.
Thanks.
> ---
> scripts/kconfig/confdata.c | 13 +++++++++----
> 1 file changed, 9 insertions(+), 4 deletions(-)
>
> diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
> index 59717be31210..974a079e8901 100644
> --- a/scripts/kconfig/confdata.c
> +++ b/scripts/kconfig/confdata.c
> @@ -994,14 +994,19 @@ static int conf_write_autoconf_cmd(const char *autoconf_name)
>
> static int conf_touch_deps(void)
> {
> - const char *name;
> + const char *name, *tmp;
> struct symbol *sym;
> int res, i;
>
> - strcpy(depfile_path, "include/config/");
> - depfile_prefix_len = strlen(depfile_path);
> -
> name = conf_get_autoconfig_name();
> + tmp = strrchr(name, '/');
> + depfile_prefix_len = tmp ? (tmp - name) + 1 : 0;
> + if (depfile_prefix_len + 1 > sizeof(depfile_path))
> + return -1;
> +
> + strncpy(depfile_path, name, depfile_prefix_len);
> + depfile_path[depfile_prefix_len] = 0;
> +
> conf_read_simple(name, S_DEF_AUTO);
> sym_calc_value(modules_sym);
>
> --
> 2.17.1
>
--
Best Regards
Masahiro Yamada
