[PATCH] kconfig: use gperf for kconfig keywords
Use gperf to generate a hash for the kconfig keywords. This greatly reduces
the size of the generated scanner and makes it easier to extend kconfig.
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index 1e214e9..43021d4 100644
--- a/scripts/kconfig/zconf.y
+++ b/scripts/kconfig/zconf.y
@@ -11,6 +11,11 @@
#include <string.h>
#include <stdbool.h>
+#define LKC_DIRECT_LINK
+#include "lkc.h"
+
+#include "zconf.hash.c"
+
#define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)
#define PRINTD 0x0001
@@ -88,10 +93,6 @@
%type <expr> if_expr
%type <token> end
-%{
-#define LKC_DIRECT_LINK
-#include "lkc.h"
-%}
%%
input: /* empty */
| input block