1 files changed, 4 insertions, 0 deletions
diff --git a/Makerules b/Makerules
index 296e811432..d7e82d9082 100644
--- a/Makerules
+++ b/Makerules
@@ -610,8 +610,12 @@ cd $(@D); $(BUILD_CC) $(BUILD_CFLAGS) $(<:$(common-objpfx)%=%) -o $(@F)
 endef
 
 # We always want to use configuration definitions.
+ifdef objdir
 # This is always used in $(common-objdir), so we use no directory name.
 BUILD_CFLAGS = -include config.h
+else
+BUILD_CFLAGS = -include $(..)config.h
+endif
 
 # Support the GNU standard name for this target.
 .PHONY: check