docker: print warning if EXECUTABLE is not set when building debootstrap image

Building the debian-debootstrap image will usually fail if EXECUTABLE
isn't set (when using the Makefile). Warn the user in this case so
they know why it's failing.

Signed-off-by: Sascha Silbe <silbe@linux.vnet.ibm.com>
Message-Id: <1473192351-601-6-git-send-email-silbe@linux.vnet.ibm.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
This commit is contained in:
Sascha Silbe 2016-09-06 22:05:48 +02:00 committed by Fam Zheng
parent 341edc0c47
commit a351b4b06e

View file

@ -44,6 +44,9 @@ docker-image: ${DOCKER_TARGETS}
# General rule for building docker images
docker-image-%: $(DOCKER_FILES_DIR)/%.docker
@if test "$@" = docker-image-debian-bootstrap -a -z "$(EXECUTABLE)"; then \
echo WARNING: EXECUTABLE is not set, debootstrap may fail. 2>&1 ; \
fi
$(call quiet-command,\
$(SRC_PATH)/tests/docker/docker.py build qemu:$* $< \
$(if $V,,--quiet) $(if $(NOCACHE),--no-cache) \