--- a/solenv/gbuild/ExternalProject.mk

+++ b/solenv/gbuild/ExternalProject.mk

@@ -53,9 +53,11 @@ $(dir $(call gb_ExternalProject_get_target,%)).dir :

 	$(if $(wildcard $(dir $@)),,mkdir -p $(dir $@))

 $(call gb_ExternalProject_get_preparation_target,%) :

+	$(if $(wildcard $(dir $@)),,mkdir -p $(dir $@))

 	touch $@

 $(call gb_ExternalProject_get_target,%) :

+	$(if $(wildcard $(dir $@)),,mkdir -p $(dir $@))

 	$(call gb_Output_announce,$*,$(true),PRJ,3)

 	touch $@