fix
diff --git a/config/unix/detect.mk b/config/unix/detect.mk
index f330ded..40ed2be 100644
--- a/config/unix/detect.mk
+++ b/config/unix/detect.mk
@@ -38,6 +38,7 @@ else
ifneq ($(findstring gcc,$(shell $(CC) --version)),)
is_gcc := 1
endif
+endif
ifdef is_gcc
CONFIG_RULES := $(BUILD)$(SEP)unix-gcc.mk