kconfig: use environment option

Use the environment option to provide the ARCH symbol
and the KERNELVERSION symbol.

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>

diff --git a/init/Kconfig b/init/Kconfig
index 288444b..0d0bbf2 100644 (file)
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -1,3 +1,11 @@
+config ARCH
+       string
+       option env="ARCH"
+
+config KERNELVERSION
+       string
+       option env="KERNELVERSION"
+
 config DEFCONFIG_LIST
        string
        depends on !UML

diff --git a/scripts/kconfig/symbol.c b/scripts/kconfig/symbol.c
index 99e3d02..3929e5b 100644 (file)
--- a/scripts/kconfig/symbol.c
+++ b/scripts/kconfig/symbol.c
@@ -47,7 +47,6 @@ void sym_init(void)
 {
        struct symbol *sym;
        struct utsname uts;
-       char *p;
        static bool inited = false;
 
        if (inited)
@@ -56,20 +55,6 @@ void sym_init(void)
 
        uname(&uts);
 
-       sym = sym_lookup("ARCH", 0);
-       sym->type = S_STRING;
-       sym->flags |= SYMBOL_AUTO;
-       p = getenv("ARCH");
-       if (p)
-               sym_add_default(sym, p);
-
-       sym = sym_lookup("KERNELVERSION", 0);
-       sym->type = S_STRING;
-       sym->flags |= SYMBOL_AUTO;
-       p = getenv("KERNELVERSION");
-       if (p)
-               sym_add_default(sym, p);
-
        sym = sym_lookup("UNAME_RELEASE", 0);
        sym->type = S_STRING;
        sym->flags |= SYMBOL_AUTO;