commit ebc93def5be132006c373d883c4b1b498b262a21
author Stefan Reinauer <stefan.reinauer@coreboot.org> Mon Apr 18 02:07:16 2011 +0000
committer Stefan Reinauer <stepan@openbios.org> Mon Apr 18 02:07:16 2011 +0000
tree 18e76ad191fa44266a9db44cb480dfaff43dfeb7
parent ee4c6f7c8028f9854442c08b61aa3436dca5ab36

Emit unwritten symbols in Kconfig so we don't have to do constructs like
#if defined(CONFIG_FOO) && CONFIG_FOO anymore. This was partially implemented 
but didn't work for symbols that were unset because of a missing dependency.

Patch taken from SeaBIOS.

Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Acked-by: Stefan Reinauer <stefan.reinauer@coreboot.org>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@6511 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1

util/kconfig/confdata.c

diff --git a/util/kconfig/confdata.c b/util/kconfig/confdata.c
index 3bbad30..946b8a9 100644
--- a/util/kconfig/confdata.c
+++ b/util/kconfig/confdata.c
@@ -721,8 +721,15 @@
 
 	for_all_symbols(i, sym) {
 		sym_calc_value(sym);
-		if (!(sym->flags & SYMBOL_WRITE) || !sym->name)
+		if (!sym->name)
 			continue;
+		if (!(sym->flags & SYMBOL_WRITE)) {
+			if (sym->type == S_BOOLEAN || sym->type == S_HEX
+			    || sym->type == S_INT)
+				fprintf(out_h, "#define CONFIG_%s 0\n",
+					sym->name);
+			continue;
+		}
 		switch (sym->type) {
 		case S_BOOLEAN:
 		case S_TRISTATE: