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kconfig: fix failing to generate auto.conf

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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>
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
This commit is contained in:
Jing Leng 2022-02-11 17:27:36 +08:00 • committed by Masahiro Yamada
parent d23a0c3718
commit 1b9e740a81
1 changed files with 9 additions and 4 deletions
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13
scripts/kconfig/confdata.c
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@ -994,14 +994,19 @@ static int conf_write_autoconf_cmd(const char *autoconf_name)
static int conf_touch_deps(void) static int conf_touch_deps(void)
{ {
const char *name; const char *name, *tmp;
struct symbol *sym; struct symbol *sym;
int res, i; int res, i;
strcpy(depfile_path, "include/config/");
depfile_prefix_len = strlen(depfile_path);
name = conf_get_autoconfig_name(); 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); conf_read_simple(name, S_DEF_AUTO);
sym_calc_value(modules_sym); sym_calc_value(modules_sym);