diff --git a/make/projects-dir.mk b/make/projects-dir.mk
index d37fc50a..614f171e 100644
--- a/make/projects-dir.mk
+++ b/make/projects-dir.mk
@@ -124,7 +124,8 @@ ifeq ($(TIME),)
   endif
 endif
 JW_PKG_PY_PROJECTS           = $(JW_PKG_PY) projects
-JW_PKG_PY_BUILD              = $(JW_PKG_PY_PROJECTS) build $(JW_PKG_PY_EXTRA_BUILD_OPTS)
+PKG_RELATIONS_BUILD         ?= requires
+JW_PKG_PY_BUILD              = $(JW_PKG_PY_PROJECTS) build --pkg-relations "$(PKG_RELATIONS_BUILD)" $(JW_PKG_PY_EXTRA_BUILD_OPTS)
 PKG_MANAGER                 ?= $(TIME) $(JW_PKG_PY) --interactive=$(INTERACTIVE) pkg
 
 ifneq ($(origin PROJECTS_DIR_REMOTE_BASE),undefined)
@@ -152,7 +153,7 @@ JANWARE_PACKAGE_FILTER       = url =~ janware
 # ------------ projects to be built
 
 TARGET_PROJECTS              = $(filter-out $(EXCLUDE_FROM_BUILD),$(PROJECTS))
-DEP_PROJECTS                 = $(shell $(JW_PKG_PY_PROJECTS) pkg-requires --recursive --syntax names-only --no-subpackages --delimiter ' ' --subsections jw run,build,devel,release $(TARGET_PROJECTS))
+DEP_PROJECTS                 = $(shell JW_DEFAULT_LOG_LEVEL=WARNING $(JW_PKG_PY_BUILD) --build-order --dep-flavours="$(BUILD_DEP_FLAVOURS)" all $(TARGET_PROJECTS))
 GIT_PROJECTS                 = $(patsubst %/,%,$(dir $(wildcard $(addsuffix /.git,$(DEP_PROJECTS)))))
 PROJECTS_WITH_PROJECT_CONF   = $(patsubst %/make/project.conf,%,$(wildcard $(addsuffix /make/project.conf,$(DEP_PROJECTS))))