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authorAlex Bennée <alex.bennee@linaro.org>2018-06-29 20:41:26 +0100
committerAlex Bennée <alex.bennee@linaro.org>2018-07-05 16:57:39 +0100
commit19c9a18f45fc8d8b8e96a6b8ea6074d08b6a8612 (patch)
tree19970b22086c27bc57c51afd357fe6e2b2e5bc04
parentdc338fdb07cf92b102c5ecfb4a4c259229404139 (diff)
downloadqemu-arm-19c9a18f45fc8d8b8e96a6b8ea6074d08b6a8612.tar.gz
docker: add linux-user powered cross builder for QEMU
We can't use cross compilers in the current Debian stable and Debian sid is sketchy as hell. So for powerpc fall back to dog-fooding our own linux-user to do the build. As we can only build the base image with a suitably configured source tree we fall back to checking for its existence when we can't build it from scratch. However this does mean you don't have to keep a static powerpc-linux-user in your active configuration just to update the cross build image. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
-rw-r--r--tests/docker/Makefile.include42
-rw-r--r--tests/docker/dockerfiles/debian-powerpc-user-cross.docker15
2 files changed, 48 insertions, 9 deletions
diff --git a/tests/docker/Makefile.include b/tests/docker/Makefile.include
index 7b99df5464..b2a7e761cc 100644
--- a/tests/docker/Makefile.include
+++ b/tests/docker/Makefile.include
@@ -64,15 +64,19 @@ docker-binfmt-image-debian-%: $(DOCKER_FILES_DIR)/debian-bootstrap.docker
$(error DEB_ARCH not set, debootstrap of debian-$* would fail))
$(if $(DEB_TYPE),,\
$(error DEB_TYPE not set, debootstrap of debian-$* would fail))
- $(call quiet-command, \
- DEB_ARCH=$(DEB_ARCH) \
- DEB_TYPE=$(DEB_TYPE) \
- $(DOCKER_SCRIPT) build qemu:debian-$* $< \
- $(if $V,,--quiet) $(if $(NOCACHE),--no-cache) \
- $(if $(NOUSER),,--add-current-user) \
- $(if $(EXTRA_FILES),--extra-files $(EXTRA_FILES)) \
- $(if $(EXECUTABLE),--include-executable=$(EXECUTABLE)), \
- "BUILD","binfmt debian-$* (debootstrapped)")
+ $(if $(filter $(QEMU_TARGET),$(TARGET_DIRS)), \
+ $(call quiet-command, \
+ DEB_ARCH=$(DEB_ARCH) \
+ DEB_TYPE=$(DEB_TYPE) \
+ $(DOCKER_SCRIPT) build qemu:debian-$* $< \
+ $(if $V,,--quiet) $(if $(NOCACHE),--no-cache) \
+ $(if $(NOUSER),,--add-current-user) \
+ $(if $(EXTRA_FILES),--extra-files $(EXTRA_FILES)) \
+ $(if $(EXECUTABLE),--include-executable=$(EXECUTABLE)), \
+ "BUILD","binfmt debian-$* (debootstrapped)"), \
+ $(call quiet-command, \
+ $(DOCKER_SCRIPT) check --quiet qemu:debian-$* $<, \
+ "CHECK", "debian-$* exists"))
endif
@@ -117,6 +121,21 @@ docker-image-travis: NOUSER=1
# Specialist build images, sometimes very limited tools
docker-image-tricore-cross: docker-image-debian9
+# Rules for building linux-user powered images
+#
+# These are slower than using native cross compiler setups but can
+# work around issues with poorly working multi-arch systems and broken
+# packages.
+
+# Jessie is the last supported release for powerpc, but multi-arch is
+# broken so we need a qemu-linux-user for this target
+docker-binfmt-image-debian-powerpc-user: DEB_ARCH = powerpc
+docker-binfmt-image-debian-powerpc-user: DEB_TYPE = jessie
+docker-binfmt-image-debian-powerpc-user: QEMU_TARGET = ppc-linux-user
+docker-binfmt-image-debian-powerpc-user: EXECUTABLE = ${BUILD_DIR}/ppc-linux-user/qemu-ppc
+docker-image-debian-powerpc-user-cross: docker-binfmt-image-debian-powerpc-user
+DOCKER_USER_IMAGES += debian-powerpc-user
+
# Expand all the pre-requistes for each docker image and test combination
$(foreach i,$(filter-out $(DOCKER_INTERMEDIATE_IMAGES),$(DOCKER_IMAGES) $(DOCKER_DEPRECATED_IMAGES)), \
$(foreach t,$(DOCKER_TESTS) $(DOCKER_TOOLS), \
@@ -146,6 +165,11 @@ docker:
@echo
@echo 'Available container images:'
@echo ' $(DOCKER_IMAGES)'
+ifneq ($(DOCKER_USER_IMAGES),)
+ @echo
+ @echo 'Available linux-user images (docker-binfmt-image-debian-%):'
+ @echo ' $(DOCKER_USER_IMAGES)'
+endif
@echo
@echo 'Available tests:'
@echo ' $(DOCKER_TESTS)'
diff --git a/tests/docker/dockerfiles/debian-powerpc-user-cross.docker b/tests/docker/dockerfiles/debian-powerpc-user-cross.docker
new file mode 100644
index 0000000000..6938a845ee
--- /dev/null
+++ b/tests/docker/dockerfiles/debian-powerpc-user-cross.docker
@@ -0,0 +1,15 @@
+#
+# Docker powerpc cross-compiler target for QEMU
+#
+# We can't use current Debian stable cross-compilers to build powerpc
+# as it has been dropped as a release architecture. Using Debian Sid
+# is just far too sketchy a build environment. This leaves us the
+# final option of using linux-user. This image is based of the
+# debootstrapped qemu:debian-powerpc-user but doesn't need any extra
+# magic once it is setup.
+#
+FROM qemu:debian-powerpc-user
+
+RUN echo man-db man-db/auto-update boolean false | debconf-set-selections
+RUN apt-get update && \
+ DEBIAN_FRONTEND=noninteractive apt-get build-dep -yy qemu