tests/docker: use debian-legacy-test-cross for alpha

Maintaining two sets of containers for test building is silly. While
it makes sense for the QEMU cross-compile targets to have their own
fat containers built by lcitool we might as well merge the other
random debian based compilers into the same one used on gitlab.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20231029145033.592566-7-alex.bennee@linaro.org>

.gitlab-ci.d/container-cross.yml

@@ -1,9 +1,3 @@
-alpha-debian-cross-container:
-  extends: .container_job_template
-  stage: containers
-  variables:
-    NAME: debian-alpha-cross
-
 amd64-debian-cross-container:
   extends: .container_job_template
   stage: containers

configure

@@ -1281,6 +1281,11 @@ probe_target_compiler() {
         container_cross_prefix=aarch64-linux-gnu-
         container_cross_cc=${container_cross_prefix}gcc
         ;;
+      alpha)
+        container_image=debian-legacy-test-cross
+        container_cross_prefix=alpha-linux-gnu-
+        container_cross_cc=${container_cross_prefix}gcc
+        ;;
       arm)
         # We don't have any bigendian build tools so we only use this for ARM
         container_image=debian-armhf-cross

tests/docker/Makefile.include

@@ -122,7 +122,6 @@ docker-image-debian-nios2-cross: $(DOCKER_FILES_DIR)/debian-toolchain.docker \
 	$(call debian-toolchain, $@)
 
 # These images may be good enough for building tests but not for test builds
-DOCKER_PARTIAL_IMAGES += debian-alpha-cross
 DOCKER_PARTIAL_IMAGES += debian-powerpc-test-cross
 DOCKER_PARTIAL_IMAGES += debian-hppa-cross
 DOCKER_PARTIAL_IMAGES += debian-m68k-cross debian-mips64-cross