From: Masahiro Yamada <masahiroy@kernel.org>
To: 3090101217@zju.edu.cn
Cc: Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Jing Leng <jleng@ambarella.com>
Subject: Re: [PATCH v2] kconfig: fix failing to generate auto.conf
Date: Sun, 13 Feb 2022 01:15:01 +0900 [thread overview]
Message-ID: <CAK7LNAT=b8t7voOJQrSPQr8xwcudWs_bJSCjN3Z8doM+bs_wkw@mail.gmail.com> (raw)
In-Reply-To: <20220211092736.7623-1-3090101217@zju.edu.cn>
On Fri, Feb 11, 2022 at 6:29 PM <3090101217@zju.edu.cn> wrote:
>
> From: Jing Leng <jleng@ambarella.com>
>
> 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@ambarella.com>
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
prev parent reply other threads:[~2022-02-12 16:16 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20220210062953.21285-1-3090101217@zju.edu.cn>
2022-02-11 4:27 ` [PATCH] kconfig: fix failing to generate auto.conf Masahiro Yamada
2022-02-11 9:27 ` [PATCH v2] " 3090101217
2022-02-12 16:15 ` Masahiro Yamada [this message]
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