Re: IS_ENABLED() and non-available symbols

From: Arnaud Lacombe
Date: Sun Aug 14 2011 - 13:02:40 EST


Hi,

On Sun, Aug 14, 2011 at 12:55 PM, Arnaud Lacombe <lacombar@xxxxxxxxx> wrote:
> The solution is trivial, but I am not sure we want to go that way: we
> need to generated a __enabled_ entry for symbols for _all_ symbols in
> the configuration, even internal one
>
That should do the job...

-= NOT FOR MERGE =-

Not-Signed-off-by: Arnaud Lacombe <lacombar@xxxxxxxxx>

---
scripts/kconfig/confdata.c | 42 +++++++++++++++++++++++++++++++-----------
1 files changed, 31 insertions(+), 11 deletions(-)

diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 59b667c..e976ccb 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -503,17 +503,6 @@ header_print_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
fprintf(fp, "#define %s%s%s 1\n",
CONFIG_, sym->name, suffix);
}
- /*
- * Generate the __enabled_CONFIG_* and
- * __enabled_CONFIG_*_MODULE macros for use by the
- * IS_{ENABLED,BUILTIN,MODULE} macros. The _MODULE variant is
- * generated even for booleans so that the IS_ENABLED() macro
- * works.
- */
- fprintf(fp, "#define __enabled_" CONFIG_ "%s %d\n",
- sym->name, (*value == 'y'));
- fprintf(fp, "#define __enabled_" CONFIG_ "%s_MODULE %d\n",
- sym->name, (*value == 'm'));
break;
}
case S_HEX: {
@@ -565,6 +554,35 @@ static struct conf_printer header_printer_cb =
};

/*
+ * Generate the __enabled_CONFIG_* and __enabled_CONFIG_*_MODULE macros for
+ * use by the IS_{ENABLED,BUILTIN,MODULE} macros. The _MODULE variant is
+ * generated even for booleans so that the IS_ENABLED() macro works.
+ */
+static void
+header_print__enabled_symbol(FILE *fp, struct symbol *sym, const char *value, void *arg)
+{
+
+ switch (sym->type) {
+ case S_BOOLEAN:
+ case S_TRISTATE: {
+ fprintf(fp, "#define __enabled_" CONFIG_ "%s %d\n",
+ sym->name, (*value == 'y'));
+ fprintf(fp, "#define __enabled_" CONFIG_ "%s_MODULE %d\n",
+ sym->name, (*value == 'm'));
+ break;
+ }
+ default:
+ break;
+ }
+}
+
+static struct conf_printer header__enabled_printer_cb =
+{
+ .print_symbol = header_print__enabled_symbol,
+ .print_comment = header_print_comment,
+};
+
+/*
* Tristate printer
*
* This printer is used when generating the `include/config/tristate.conf' file.
@@ -945,6 +963,8 @@ int conf_write_autoconf(void)
conf_write_heading(out_h, &header_printer_cb, NULL);

for_all_symbols(i, sym) {
+ conf_write_symbol(out_h, sym, &header__enabled_printer_cb, NULL);
+
sym_calc_value(sym);
if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
continue;
--
1.7.6.153.g78432

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