export REPO_ROOT := $(shell git rev-parse --show-toplevel)

# Make directories needed by the build system
$(shell mkdir -p $(TARGET_OUT_LINUX))
$(shell mkdir -p $(TARGET_OUT_LINUX)/logs)
$(shell mkdir -p $(dir $(JUNIT_OUT)))

# Need separate target for init:
$(TARGET_OUT):
	@mkdir -p $@

# If the hub is not explicitly set, use default to istio.
HUB ?=istio
ifeq ($(HUB),)
  $(error "HUB cannot be empty")