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kconfig: prefer default values that are defined later

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This is in preparation to move SoC and board kconfig defaults
to be parsed later.

Change-Id: If24bdf310dac7034da63f34c0e2add173fe75844
Signed-off-by: Daniel Leung <daniel.leung@intel.com>
This commit is contained in:
Daniel Leung 2016-03-25 14:30:50 -07:00 committed by Anas Nashif
parent 4babac063c
commit c6390d559f
1 changed files with 29 additions and 0 deletions
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29
scripts/kconfig/symbol.c
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@ -23,6 +23,12 @@ struct utsname {
#include "lkc.h"
/* When this is set to 1, sym_get_default_prop() will
* return P_DEFAULT that are parsed later in Kconfig
* files.
*/
#define PREFER_LATER_DEFAULTS 0
struct symbol symbol_yes = {
.name = "y",
.curr = { "y", yes },
@ -124,6 +130,28 @@ struct property *sym_get_env_prop(struct symbol *sym)
return NULL;
}
#if PREFER_LATER_DEFAULTS
struct property *sym_get_default_prop(struct symbol *sym)
{
struct property *prop;
struct property *ret_prop = NULL;
for_all_defaults(sym, prop) {
prop->visible.tri = expr_calc_value(prop->visible.expr);
if (prop->visible.tri != no) {
if (prop->type == P_DEFAULT) {
/* Prefer P_DEFAULT that are parsed
* later in all Kconfig files.
*/
ret_prop = prop;
continue;
}
return prop;
}
}
return ret_prop;
}
#else
struct property *sym_get_default_prop(struct symbol *sym)
{
struct property *prop;
@ -135,6 +163,7 @@ struct property *sym_get_default_prop(struct symbol *sym)
}
return NULL;
}
#endif
static struct property *sym_get_range_prop(struct symbol *sym)
{