[Qemu-devel] [PATCH v2 4/7] docker: print warning if EXECUTABLE is not set when building debootstrap image

[Sascha Silbe]

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 <si...@linux.vnet.ibm.com>
---
 tests/docker/Makefile.include | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/docker/Makefile.include b/tests/docker/Makefile.include
index 1b20db0..19d4cc7 100644
--- a/tests/docker/Makefile.include
+++ b/tests/docker/Makefile.include
@@ -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) \
-- 
1.9.1