2 files changed, 39 insertions, 0 deletions
diff --git a/tests/Makefile.include b/tests/Makefile.include
index 5c40187..da64732 100644
--- a/tests/Makefile.include
+++ b/tests/Makefile.include
@@ -938,6 +938,14 @@ BUILD_TCG_TARGET_RULES=$(patsubst %,build-tcg-tests-%, $(LINUX_USER_TARGETS))
 CLEAN_TCG_TARGET_RULES=$(patsubst %,clean-tcg-tests-%, $(LINUX_USER_TARGETS))
 RUN_TCG_TARGET_RULES=$(patsubst %,run-tcg-tests-%, $(LINUX_USER_TARGETS))
 
+ifeq ($(HAVE_USER_DOCKER),y)
+# Probe for the Docker Builds needed for each build
+$(foreach PROBE_TARGET,$(TARGET_LIST), 				\
+	$(eval -include $(SRC_PATH)/tests/tcg/Makefile.probe) 	\
+	$(if $(DOCKER_PREREQ), 					\
+		$(eval build-tcg-tests-$(PROBE_TARGET): $(DOCKER_PREREQ))))
+endif
+
 build-tcg-tests-%:
 	$(call quiet-command,$(MAKE) $(SUBDIR_MAKEFLAGS) -C $* V="$(V)" TARGET_DIR="$*/" guest-tests,)
 
diff --git a/tests/tcg/Makefile.probe b/tests/tcg/Makefile.probe
new file mode 100644
index 0000000..15c0412
--- /dev/null
+++ b/tests/tcg/Makefile.probe
@@ -0,0 +1,31 @@
+# -*- Mode: makefile -*-
+#
+# TCG Compiler Probe
+#
+# This Makefile fragement is included multiple times in the main make
+# script to probe for available compilers. This is used to build up a
+# selection of required docker targets before we invoke a sub-make for
+# each target.
+
+# First we need the target makefile which tells us the target architecture
+-include $(BUILD_DIR)/$(PROBE_TARGET)/config-target.mak
+
+# Then we load up the target architecture makefiles which tell us
+# about the compilers
+CROSS_CC_GUEST:=
+DOCKER_IMAGE:=
+DOCKER_PREREQ:=
+
+-include $(SRC_PATH)/tests/tcg/$(TARGET_BASE_ARCH)/Makefile.include
+-include $(SRC_PATH)/tests/tcg/$(TARGET_NAME)/Makefile.include
+
+ifndef CROSS_CC_GUEST
+ifneq ($(DOCKER_IMAGE),)
+DOCKER_PREREQ:=docker-image-$(DOCKER_IMAGE)
+endif
+endif
+
+# Clean-up
+# undefine TARGET_NAME
+# undefine TARGET_BASE_ARCH
+# undefine TARGET_ABI_DIR