# -*- makefile-gmake -*-
include base #omkbuild

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:%=/%)

############
# 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)

$$(eval $$(call prepare_rule_goal,\
	$(USER_BIN_DIR)/$(1)$(EXE_SUFFIX),\
	$$($(1)_OBJS),\
	"LINK    ",\
	$$(call program_cmd,$(1))))
endef

program_cmd = set -e; $(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 $$@; \
	echo "$$@: \\" >$(USER_OBJS_DIR)/$(1).exe.d; \
	sed -n -e 's|^LOAD \(.*\)$$$$|  \1  \&|p' $(USER_OBJS_DIR)/$(1).exe.map|tr '&' '\134'  >>$(USER_OBJS_DIR)/$(1).exe.d; \
	echo >>$(USER_OBJS_DIR)/$(1).exe.d

prepare-pass: create-build-dirs
create-build-dirs::
ifneq ($(bin_PROGRAMS),)
create-build-dirs::
	@$(call mkdir_def,$(USER_OBJS_DIR))
endif
$(foreach prog,$(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)))

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))