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kconfig: create directories needed for syncconfig by itself

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'make syncconfig' creates some files such as include/config/auto.conf,
include/generate/autoconf.h, etc. but the necessary directory creation
relies on scripts/kconfig/Makefile.

To make Kconfig self-contained, create directories as needed in
conf_write_autoconf().

This change allows scripts/kconfig/Makefile cleanups; syncconfig can
be merged into simple-targets.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
This commit is contained in:
Masahiro Yamada
2018-07-20 16:46:29 +09:00
parent adc18acf42
commit 79123b1389
2 changed files with 20 additions and 9 deletions
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14
scripts/kconfig/confdata.c
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@@ -899,6 +899,9 @@ static int conf_write_dep(const char *name)
fprintf(out, "\n$(deps_config): ;\n");
fclose(out);
if (make_parent_dir(name))
return 1;
rename("..config.tmp", name);
return 0;
}
@@ -915,6 +918,8 @@ static int conf_split_config(void)
conf_read_simple(name, S_DEF_AUTO);
sym_calc_value(modules_sym);
if (make_parent_dir("include/config/foo.h"))
return 1;
if (chdir("include/config"))
return 1;
@@ -991,6 +996,7 @@ static int conf_split_config(void)
res = 1;
goto out;
}
/* Try it again. */
fd = open(path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
if (fd == -1) {
@@ -1063,14 +1069,22 @@ int conf_write_autoconf(void)
name = getenv("KCONFIG_AUTOHEADER");
if (!name)
name = "include/generated/autoconf.h";
if (make_parent_dir(name))
return 1;
if (rename(".tmpconfig.h", name))
return 1;
name = getenv("KCONFIG_TRISTATE");
if (!name)
name = "include/config/tristate.conf";
if (make_parent_dir(name))
return 1;
if (rename(".tmpconfig_tristate", name))
return 1;
name = conf_get_autoconfig_name();
if (make_parent_dir(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.