+ARGEO_BUILD_BASE := $(dir $(lastword $(MAKEFILE_LIST)))
+include $(ARGEO_BUILD_BASE)common.mk
+
+# The following variables should be declared in the including Makefile:
+# BUNDLES the space-separated list of bundles to build
+# A2_CATEGORY the (single) a2 category the bundles will belong to
+
+# The following environment variables can change the behaviour of the build
+# SOURCE_BUNDLES sources will be packaged separately in Eclipse-compatible source bundles
+# NO_MANIFEST_COPY generated MANIFESTs won't be copied to the source tree
+
+# The following variables have default values which can be overriden
+# DEP_CATEGORIES the a2 categories the compilation depends on
+# JAVADOC_PACKAGES the space-separated list of packages for which javadoc will be generated
+# NATIVE_PACKAGES the space-separated list of JNI packages (directories)
+DEP_CATEGORIES ?=
+JAVADOC_PACKAGES ?=
+NATIVE_PACKAGES ?=
+
+# We always use the latest version of the ECJ compiler
+ECJ_JAR ?= $(firstword $(foreach base, $(A2_BASE), $(sort $(wildcard $(base)/org.argeo.tp.build/org.eclipse.jdt.core.compiler.batch.$(ECJ_MAJOR).*.jar))))
+# Third-party libraries
+LOGGER_JAR ?= $(firstword $(foreach base, $(A2_BASE), $(wildcard $(base)/log/syslogger/org.argeo.tp/org.argeo.tp.syslogger.$(SYSLOGGER_BRANCH).jar)))
+BNDLIB_JAR ?= $(firstword $(foreach base, $(A2_BASE), $(wildcard $(base)/org.argeo.tp.build/biz.aQute.bndlib.$(BNDLIB_BRANCH).jar)))
+
+# Internal variables
+ARGEO_MAKE = $(JVM) -cp $(LOGGER_JAR):$(ECJ_JAR):$(BNDLIB_JAR) $(ARGEO_BUILD_BASE)src/org/argeo/build/Make.java
+JAVADOC_SRCS = $(foreach bundle, $(BUNDLES), $(bundle)/src)
+ifneq ($(NO_MANIFEST_COPY),true)
+MANIFESTS = $(foreach bundle, $(BUNDLES), $(bundle)/META-INF/MANIFEST.MF)
+endif
+BUILD_BASE = $(SDK_BUILD_BASE)/$(shell basename $(SDK_SRC_BASE))
+TARGET_BUNDLES = $(abspath $(foreach bundle, $(BUNDLES),$(A2_OUTPUT)/$(shell dirname $(bundle))/$(A2_CATEGORY)/$(shell basename $(bundle)).$(major).$(minor).jar))
+TODOS = $(foreach bundle, $(BUNDLES),$(BUILD_BASE)/$(bundle)/to-build)
+# Native
+JNIDIRS=$(foreach package, $(NATIVE_PACKAGES), jni/$(package))
+
+# Needed in order to be able to expand $$ variables
+.SECONDEXPANSION:
+
+osgi: $(BUILD_BASE)/built $(MANIFESTS)
+
+# Actual build (compilation + bundle packaging)
+$(BUILD_BASE)/built : BUNDLES_TO_BUILD = $(strip $(subst $(abspath $(BUILD_BASE))/,, $(subst to-build,, $?)))
+$(BUILD_BASE)/built : $(TODOS)
+ @echo "| A2 category : $(A2_CATEGORY)"
+ @echo "| Bundles : $(BUNDLES_TO_BUILD)"
+ @echo "| Dependencies : $(DEP_CATEGORIES)"
+ @echo "| Compiler : $(notdir $(ECJ_JAR))"
+ @$(ARGEO_MAKE) \
+ all --a2-bases $(A2_BASE) --dep-categories $(DEP_CATEGORIES) \
+ --category $(A2_CATEGORY) --bundles $(BUNDLES_TO_BUILD)
+ @touch $(BUILD_BASE)/built
+
+$(A2_OUTPUT)/%.$(major).$(minor).jar : $(BUILD_BASE)/$$(subst $(A2_CATEGORY)/,,$$*)/to-build
+ $(ARGEO_MAKE) \
+ all --a2-bases $(A2_BASE) --dep-categories $(DEP_CATEGORIES) \
+ --category $(A2_CATEGORY) --bundles $(subst $(A2_CATEGORY)/,,$*)
+
+$(BUILD_BASE)/%/to-build : $$(shell find % -type f -not -path 'bin/*' -not -path '*/MANIFEST.MF' | sed 's/ /\\ /g')
+ @rm -rf $(dir $@)
+ @mkdir -p $(dir $@)
+ @touch $@