build: Support no-op "-" configs in scripts file.

1 files changed, 1 insertions, 0 deletions

diff --git a/build b/build
index c1ff898..6962d5f 100755
--- a/build
+++ b/build
@@ -5,6 +5,7 @@ include ../source.mk
 config_enabled = \
 	config_enabled() \
 	{ \
+		[ "x$${1}" = 'x-' ] && return 0; \
 		grep "^CONFIG_$${1}=y$$" <src/.config >/dev/null 2>&1; \
 	}
 install_init_script = \