+BUILD_DIR_NAME = _build
+COMPILED_DIR_NAME = _compiled
+
+USER_INCLUDE_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/include
+USER_LIB_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/lib
+USER_UTILS_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/bin-utils
+USER_TESTS_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/bin-tests
+USER_BIN_DIR := $(OUTPUT_DIR)/$(COMPILED_DIR_NAME)/bin
+USER_BUILD_DIR := $(OUTPUT_DIR)/$(BUILD_DIR_NAME)/user
+LINK_BUILD_DIR := $(OUTPUT_DIR)/$(BUILD_DIR_NAME)/link
+
+# Avoid double slash at the end in the top-level directory
+USER_OBJS_DIR = $(USER_BUILD_DIR)$(RELATIVE_DIR:%=/%)
+KERN_OBJS_DIR = $(KERN_BUILD_DIR)$(RELATIVE_DIR:%=/%)
+OMK_WORK_DIR = $(USER_OBJS_DIR)
+
+############
+# Programs #
+############
+
+# Check GCC version for user build
+ifndef CC_MAJOR_VERSION
+CC_MAJOR_VERSION := $(shell $(CC) -dumpversion | sed -e 's/\([^.]\)\..*/\1/')
+endif
+# Prepare suitable define for dependency building
+ifeq ($(CC_MAJOR_VERSION),2)
+CC_DEPFLAGS = -Wp,-MD,"$$@.d.tmp"
+else
+CC_DEPFLAGS = -MT $$@ -MD -MP -MF "$$@.d.tmp"
+endif
+
+c_o_COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
+ $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -DOMK_FOR_USER
+
+c_o_cmd = \
+ if $(c_o_COMPILE) $(CC_DEPFLAGS) -o $$@ -c $$< ; \
+ then mv -f "$$@.d.tmp" "$$@.d"; \
+ else rm -f "$$@.d.tmp"; exit 1; \
+ fi
+
+
+# Usage: $(call program_template,<executable-name>,<bin|utils|test>)
+define program_template
+$(1)_OBJS += $$(patsubst %.c,%.o,$$(filter %.c,$$($(1)_SOURCES)))
+$(1)_OBJS := $$(addprefix $(USER_OBJS_DIR)/,$$(sort $$($(1)_OBJS:%/=%)))
+
+USER_OBJS += $$($(1)_OBJS)
+USER_SOURCES += $$($(1)_SOURCES)
+
+$(call prepare_rule_goal,\
+ $(USER_BIN_DIR)/$(1)$(EXE_SUFFIX),\
+ $$($(1)_OBJS) $$($(1)_LIBS),\
+ "LINK ",\
+ $(program_cmd))
+endef
+
+program_cmd = $(if $(filter %.cc,$$($(1)_SOURCES)),$(CXX),$(CC)) \
+ $($(1)_OBJS) $($(1)_LIBS:%=-l%) $(LOADLIBES) $(LDFLAGS) -Wl,-rpath-link,$(USER_LIB_DIR) \
+ -Wl,-Map,$(USER_OBJS_DIR)/$(1).exe.map -o $$@
+
+$(foreach prog,$(bin_PROGRAMS),$(eval $(call program_template,$(prog),bin)))
+#$(foreach prog,$(bin_PROGRAMS),$(info >>>$(call program_template,$(prog),bin)<<<))
+$(foreach src,$(filter %.c,$(USER_SOURCES)),\
+ $(eval $(call prepare_rule,\
+ $(USER_OBJS_DIR)/$(src:%.c=%.o),\
+ $(SOURCES_DIR)/$(src),\
+ "CC ",\
+ $(c_o_cmd))))
+
+$(eval $(call prepare_rule_goal,\
+ $(USER_OBJS_DIR)/test.X.o,\
+ $(SOURCES_DIR)/test.c,\
+ "CC ",\
+ $(c_o_cmd)))
+
+# OUTPUT_DIR is not defined in Makefile.build so we has to pass it on
+# command-line. After this file will be merged with Makefile.rules, it
+# will not be necessary to pass it.
+default: check-dir prepare-pass
+ -$(MAKE) -qp -f $(MAKERULES_DIR)/Makefile.rules build > make.db.build-pseudo-pass;
+ +@echo "make[omk]: build"
+ @$(MAKE) $(NO_PRINT_DIRECTORY) -f $(MAKERULES_DIR)/Makefile.rules build
+
+check-dir:
+ @$(call mkdir_def,$(USER_BUILD_DIR))
+ @$(call mkdir_def,$(USER_INCLUDE_DIR))
+ @$(call mkdir_def,$(USER_LIB_DIR))
+ @$(call mkdir_def,$(USER_BIN_DIR))
+ @$(call mkdir_def,$(USER_UTILS_DIR))
+ @$(call mkdir_def,$(USER_TESTS_DIR))