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-rw-r--r--scripts/kconfig/confdata.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 797a741..c4dec80 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -677,7 +677,7 @@ int conf_write_autoconf(void)
struct symbol *sym;
const char *str;
const char *name;
- FILE *out, *out_h;
+ FILE *out, *tristate, *out_h;
time_t now;
int i, l;
@@ -692,9 +692,16 @@ int conf_write_autoconf(void)
if (!out)
return 1;
+ tristate = fopen(".tmpconfig_tristate", "w");
+ if (!tristate) {
+ fclose(out);
+ return 1;
+ }
+
out_h = fopen(".tmpconfig.h", "w");
if (!out_h) {
fclose(out);
+ fclose(tristate);
return 1;
}
@@ -707,6 +714,9 @@ int conf_write_autoconf(void)
"# %s"
"#\n",
sym_get_string_value(sym), ctime(&now));
+ fprintf(tristate, "#\n"
+ "# Automatically generated - do not edit\n"
+ "\n");
fprintf(out_h, "/*\n"
" * Automatically generated C config: don't edit\n"
" * Linux kernel version: %s\n"
@@ -727,10 +737,14 @@ int conf_write_autoconf(void)
break;
case mod:
fprintf(out, "CONFIG_%s=m\n", sym->name);
+ fprintf(tristate, "CONFIG_%s=M\n", sym->name);
fprintf(out_h, "#define CONFIG_%s_MODULE 1\n", sym->name);
break;
case yes:
fprintf(out, "CONFIG_%s=y\n", sym->name);
+ if (sym->type == S_TRISTATE)
+ fprintf(tristate, "CONFIG_%s=Y\n",
+ sym->name);
fprintf(out_h, "#define CONFIG_%s 1\n", sym->name);
break;
}
@@ -772,6 +786,7 @@ int conf_write_autoconf(void)
}
}
fclose(out);
+ fclose(tristate);
fclose(out_h);
name = getenv("KCONFIG_AUTOHEADER");
@@ -779,6 +794,11 @@ int conf_write_autoconf(void)
name = "include/generated/autoconf.h";
if (rename(".tmpconfig.h", name))
return 1;
+ name = getenv("KCONFIG_TRISTATE");
+ if (!name)
+ name = "include/config/tristate.conf";
+ if (rename(".tmpconfig_tristate", name))
+ return 1;
name = conf_get_autoconfig_name();
/*
* This must be the last step, kbuild has a dependency on auto.conf

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