#                   This version is adapted for RTEMS build
#
#
# lib_LIBRARIES    .. list of the user-space libraries
# shared_LIBRARIES .. list of the user-space shared libraries
# include_HEADERS  .. list of the user-space public header files
# nobase_include_HEADERS .. public headers copied even with directory part
# renamed_include_HEADERS .. public headers copied to the different target name
# bin_PROGRAMS     .. list of the require binary programs
# utils_PROGRAMS   .. list of the development utility programs
# test_PROGRAMS    .. list of the test programs
# xxx_SOURCES      .. list of specific target sources
# xxx_LIBS         .. list of specific target libraries
# INCLUDES         .. additional include directories and defines for user-space
# tar_EMBEDFILES   .. list of tars with embedded files

ifdef OMK_TESTSROOT
ifeq ($(RTEMS_MAKEFILE_PATH),)
$(error $(shell $(call canttest,RTEMS_MAKEFILE_PATH not defined)))
endif
endif

include $(RTEMS_MAKEFILE_PATH)/Makefile.inc
include $(RTEMS_CUSTOM)
include $(CONFIG.CC)

BUILD_DIR_NAME = _build/$(RTEMS_BSP)
COMPILED_DIR_NAME = _compiled/$(RTEMS_BSP)
GROUP_DIR_NAME =


USER_INCLUDE_DIR := $(MAKERULES_DIR)/$(COMPILED_DIR_NAME)/include
USER_LIB_DIR     := $(MAKERULES_DIR)/$(COMPILED_DIR_NAME)/lib
USER_UTILS_DIR   := $(MAKERULES_DIR)/$(COMPILED_DIR_NAME)/bin-utils
USER_TESTS_DIR   := $(MAKERULES_DIR)/$(COMPILED_DIR_NAME)/bin-tests
USER_BIN_DIR     := $(MAKERULES_DIR)/$(COMPILED_DIR_NAME)/bin
USER_BUILD_DIR   := $(MAKERULES_DIR)/$(BUILD_DIR_NAME)/user

LOCAL_BUILD_DIR  = $(USER_OBJS_DIR)


DEFAULT_INCLUDES = -I $(PROJECT_INCLUDE)

CPPFLAGS  += -I $(USER_INCLUDE_DIR)

CPPFLAGS  += $(CONFIG_OMK_DEFINES)

#CPPFLAGS  += $(AM_CPPFLAGS)
#CFLAGS    += $(AM_CFLAGS)
#CXXFLAGS  += $(AM_CXXFLAGS)
#LDFLAGS   += $(CFLAGS) $(AM_CFLAGS) $(LD_PATHS:%=-L%)

LOADLIBES += -L$(USER_LIB_DIR)

LOADLIBES += $(lib_LOADLIBES:%=-l%)

SOLIB_PICFLAGS += -shared -fpic

ifndef RELATIVE_DIR
RELATIVE_DIR := $(SOURCES_DIR:$(MAKERULES_DIR)%=%)
endif
override RELATIVE_DIR := $(RELATIVE_DIR:/%=%)
override RELATIVE_DIR := $(RELATIVE_DIR:\\%=%)
#$(warning  RELATIVE_DIR $(RELATIVE_DIR))

#$(warning SOURCES_DIR = $(SOURCES_DIR))
#$(warning MAKERULES_DIR = $(MAKERULES_DIR))
#$(warning RELATIVE_DIR = $(RELATIVE_DIR))

#vpath %.c $(SOURCES_DIR)
#vpath %.cc $(SOURCES_DIR)
#vpath %.cxx $(SOURCES_DIR)

USER_OBJS_DIR = $(USER_BUILD_DIR)/$(RELATIVE_DIR)

.PHONY: check-dir

# Some support to serialize some targets for parallel make
ifneq ($(OMK_SERIALIZE_INCLUDED),y)
include-pass: check-dir
library-pass: include-pass
binary-pass: library-pass

override OMK_SERIALIZE_INCLUDED = y
MAKEOVERRIDES := $(filter-out OMK_SERIALIZE_INCLUDED=n,$(MAKEOVERRIDES))
endif

#=====================================================================
# Special rules for target filesystem and data preparation

# Syntax: $(call TARFILE_template,<filename>,<filename2>,<directory>) FIXME: Is this correct?
define TARFILE_template

.PHONY: $(2)

$(2):
	$(Q) ABSOLUTETARFILE=`cd $$(dir $$@) ; pwd`/$$@ ; \
	     ( test -e $$$$ABSOLUTETARFILE && ( cd  $(3) && tar $$(TARFLAGS) -df $$$$ABSOLUTETARFILE ) ) || \
	     ( cd  $(3) && tar $$(TARFLAGS) -cf $$$$ABSOLUTETARFILE . )

$(2).o: $(2)
	@$(QUIET_CMD_ECHO) "  TARFILE $$@"
	$(Q) $(OBJCOPY) -I binary -O elf32-littlearm  $$^ $$@

endef

#=====================================================================
# User-space rules and templates to compile programs, libraries etc.

ifdef USER_RULE_TEMPLATES


#%.lo: %.c
#	$(CC) -o $@ $(LCFLAGS) -c $<

c_o_COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(AM_CPPFLAGS) \
	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) $(INCLUDES) -DOMK_FOR_USER

cc_o_COMPILE = $(CXX) $(DEFS) $(DEFAULT_INCLUDES) $(AM_CPPFLAGS) \
	$(CPPFLAGS) $(AM_CXXFLAGS) $(CFLAGS) $(INCLUDES) -DOMK_FOR_USER

S_o_COMPILE = $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) \
	$(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) $(ASFLAGS) -DOMK_FOR_USER

# 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


# Syntax: $(call COMPILE_c_o_template,<source>,<target>,<additional c-flags>)
define COMPILE_c_o_template
$(2): $(1) $$(GEN_HEADERS)
	@$(QUIET_CMD_ECHO) "  CC      $$@"
	$(Q) if $$(c_o_COMPILE) $$(CC_DEPFLAGS) $(3) -o $$@ -c $$< ; \
	then mv -f "$$@.d.tmp" "$$@.d" ; \
	else rm -f "$$@.d.tmp" ; exit 1; \
	fi
endef


# Syntax: $(call COMPILE_cc_o_template,<source>,<target>,<additional c-flags>)
define COMPILE_cc_o_template
$(2): $(1) $$(GEN_HEADERS)
	@$(QUIET_CMD_ECHO) "  CXX     $$@"
	$(Q) if $$(cc_o_COMPILE) $$(CC_DEPFLAGS) $(3) -o $$@ -c $$< ; \
	then mv -f "$$@.d.tmp" "$$@.d" ; \
	else rm -f "$$@.d.tmp" ; exit 1; \
	fi
endef


# Syntax: $(call COMPILE_S_o_template,<source>,<target>,<additional c-flags>)
define COMPILE_S_o_template
$(2): $(1) $$(GEN_HEADERS)
	@$(QUIET_CMD_ECHO) "  AS      $$@"
	$(Q) if $$(S_o_COMPILE) -D__ASSEMBLY__ $$(CC_DEPFLAGS) $(3) -o $$@ -c $$< ; \
	then if [ -e "$$@.d.tmp" ] ; then mv -f "$$@.d.tmp" "$$@.d" ; fi ; \
	else rm -f "$$@.d.tmp" ; exit 1; \
	fi
endef

# Syntax: $(call CMETRIC_o_h_template,<object_file>,<target_header>)
define CMETRIC_o_h_template
$(2): $(1)
	@$(QUIET_CMD_ECHO) "  CMETRIC $$@"
	$(Q)if [ -n `dirname $$@` ] ; then \
	      if [ ! -e `dirname $$@` ] ; then \
	        mkdir -p `dirname $$@` ; fi ; fi
	$(Q)echo >$$@ '/* Automatically generated from $$< */'
	$(Q)echo >>$$@ '/* Conditionals to control compilation */'
	$(Q)set -o pipefail ; $(NM) $$< \
		| sed -n 's/^ *0*\(0[0-9A-Fa-f]*\) *A *_cmetric2cond_\([A-Za-z_0-9]*\) */#define \2 0x\1/p' \
		| sort >>$$@
	$(Q)echo >>$$@ '/* Defines from the values defined to symbols */'
	$(Q)set -o pipefail ; $(NM) $$< \
		| sed -n 's/^ *0*\(0[0-9A-Fa-f]*\) *A *_cmetric2def_\([A-Za-z_0-9]*\) */#define \2 0x\1/p' \
		| sort >>$$@
endef

# Syntax: $(call PROGRAM_template,<dir>,<executable-name>,<link-variant>)
define PROGRAM_template
$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.c=%.o))
$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cc=%.o))
$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cxx=%.o))
$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.S=%.o))
$(1)_OBJS += $$($(1)_EMBEDTARFILES:%=%_tarfile.o)
$(1)_OBJS := $$(sort $$($(1)_OBJS))

USER_OBJS  += $$($(1)_OBJS)
USER_SOURCES += $$($(1)_SOURCES)
USER_EMBEDTARFILES += $$($(1)_EMBEDTARFILES)

$(2)/$(1): $(USER_LIB_DIR)/timestamp

$(2)/$(1): $$($(1)_OBJS)
	@$(QUIET_CMD_ECHO) "  LINK    $$@"
	$(Q) $$(shell if [ -z "$$(filter %.cc,$$($(1)_SOURCES))" ] ; \
	  then echo $$(CC)  $$(CPPFLAGS) $$(AM_CPPFLAGS) $$(AM_CFLAGS) $$(CFLAGS) ; \
	  else echo $$(CXX) $$(CPPFLAGS) $$(AM_CPPFLAGS) $$(AM_CXXFLAGS) $$(CXXFLAGS) ; fi) \
	  $$(AM_LDFLAGS) $$(LDFLAGS) $$($(1)_OBJS) $$(LOADLIBES) $$($(1)_LIBS:%=-l%) \
	  -o $(2)/$(1)
#@echo "$(2)/$(1): \\" >$(USER_OBJS_DIR)/$(1).exe.d
#@sed -n -e 's/^LOAD \(.*\)$$$$/  \1  \\/p' $(USER_OBJS_DIR)/$(1).exe.map  >>$(USER_OBJS_DIR)/$(1).exe.d
#@echo >>$(USER_OBJS_DIR)/$(1).exe.d
#-Wl,-Map,$(USER_OBJS_DIR)/$(1).exe.map
# FIXME: Why the map file was commented out?
endef



# Syntax: $(call LIBRARY_template,<library-name>)
define LIBRARY_template
$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.c=%.o))
$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cc=%.o))
$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.cxx=%.o))
$(1)_OBJS += $$(filter %.o,$$($(1)_SOURCES:%.S=%.o))
$(1)_OBJS += $$($(1)_EMBEDTARFILES:%=%_tarfile.o)
$(1)_OBJS := $$(sort $$($(1)_OBJS))

USER_OBJS  += $$($(1)_OBJS)
USER_SOURCES += $$($(1)_SOURCES)
USER_EMBEDTARFILES += $$($(1)_EMBEDTARFILES)

$(USER_LIB_DIR)/lib$(1).a: $$($(1)_OBJS)
	@$(QUIET_CMD_ECHO) "  AR      $$@"
	$(Q) $(AR) rcs $$@ $$^
	@touch $(USER_LIB_DIR)/timestamp
endef



# Syntax: $(call SOLIB_template,<library-name>)
define SOLIB_template
$(1)_OBJSLO += $$(filter %.lo,$$($(1)_SOURCES:%.c=%.lo))
$(1)_OBJSLO += $$(filter %.lo,$$($(1)_SOURCES:%.cc=%.lo))
$(1)_OBJSLO += $$(filter %.lo,$$($(1)_SOURCES:%.cxx=%.lo))
$(1)_OBJSLO += $$(filter %.lo,$$($(1)_SOURCES:%.S=%.lo))
$(1)_OBJS += $$($(1)_EMBEDTARFILES:%=%_tarfile.o)
$(1)_OBJSLO := $$(sort $$($(1)_OBJSLO))

SOLIB_OBJS  += $$($(1)_OBJSLO)
SOLIB_SOURCES += $$($(1)_SOURCES)
USER_EMBEDTARFILES += $$($(1)_EMBEDTARFILES)

$(USER_LIB_DIR)/lib$(1).so: $$($(1)_OBJSLO)
	@$(QUIET_CMD_ECHO) "  LINK    $$@"
	$(Q) $(LD) --shared --soname=lib$(1).so -o $$@ $$^
endef



library-pass-local: $(addprefix $(USER_INCLUDE_DIR)/,$(cmetric_include_HEADERS)) \
		    $(lib_LIBRARIES:%=$(USER_LIB_DIR)/lib%.a) $(shared_LIBRARIES:%=$(USER_LIB_DIR)/lib%.so)

binary-pass-local: $(bin_PROGRAMS:%=$(USER_BIN_DIR)/%) $(utils_PROGRAMS:%=$(USER_UTILS_DIR)/% $(test_PROGRAMS:%=$(USER_TESTS_DIR)/%)

# Special rules for CMETRIC generated headers

$(foreach cmetrh,$(cmetric_include_HEADERS),$(eval $(call COMPILE_c_o_template,\
		$(SOURCES_DIR)/$($(basename $(notdir $(cmetrh)))_CMETRIC_SOURCES),\
		$($(basename $(notdir $(cmetrh)))_CMETRIC_SOURCES:%.c=%.o),)))
$(foreach cmetrh,$(cmetric_include_HEADERS),$(eval $(call CMETRIC_o_h_template,\
		$($(basename $(notdir $(cmetrh)))_CMETRIC_SOURCES:%.c=%.o),\
		$(addprefix $(USER_INCLUDE_DIR)/,$(cmetrh)))))

GEN_HEADERS+=$(cmetric_include_HEADERS:%=$(USER_INCLUDE_DIR)/%)

# Generate rules for compilation of programs and libraries

$(foreach prog,$(utils_PROGRAMS),$(eval $(call PROGRAM_template,$(prog),$(USER_UTILS_DIR))))

$(foreach prog,$(test_PROGRAMS),$(eval $(call PROGRAM_template,$(prog),$(USER_TESTS_DIR))))

$(foreach prog,$(bin_PROGRAMS),$(eval $(call PROGRAM_template,$(prog),$(USER_BIN_DIR))))

$(foreach lib,$(lib_LIBRARIES),$(eval $(call LIBRARY_template,$(lib))))

$(foreach lib,$(shared_LIBRARIES),$(eval $(call SOLIB_template,$(lib))))

-include $(USER_OBJS_DIR)/*.d

endif

#=====================================================================


$(eval $(call omk_pass_template, include-pass,$(USER_OBJS_DIR),,$(include_HEADERS)$(nobase_include_HEADERS)$(renamed_include_HEADERS)$(config_include_HEADERS)$(LOCAL_CONFIG_H)))
$(eval $(call omk_pass_template, library-pass,$(USER_OBJS_DIR),USER_RULE_TEMPLATES=y,$(lib_LIBRARIES)$(shared_LIBRARIES)))
$(eval $(call omk_pass_template, binary-pass, $(USER_OBJS_DIR),USER_RULE_TEMPLATES=y,$(bin_PROGRAMS)$(utils_PROGRAMS)$(test_PROGRAMS)))

$(eval $(call omk_pass_template,clean,$(USER_OBJS_DIR),,always))

check-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))

$(eval $(call include-pass-template,$(USER_INCLUDE_DIR),include))

ifdef USER_RULE_TEMPLATES

# User-space static libraries and applications object files

USER_SOURCES := $(sort $(USER_SOURCES))

#$(warning USER_SOURCES = $(USER_SOURCES))

$(foreach src,$(filter %.c,$(USER_SOURCES)),$(eval $(call COMPILE_c_o_template,$(SOURCES_DIR)/$(src),$(src:%.c=%.o),)))

$(foreach src,$(filter %.cc,$(USER_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cc=%.o),)))

$(foreach src,$(filter %.cxx,$(USER_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cxx=%.o),)))

$(foreach src,$(filter %.S,$(USER_SOURCES)),$(eval $(call COMPILE_S_o_template,$(SOURCES_DIR)/$(src),$(src:%.S=%.o),)))

# User-space shared libraries object files

SOLIB_SOURCES := $(sort $(SOLIB_SOURCES))

#$(warning SOLIB_SOURCES = $(SOLIB_SOURCES))

$(foreach src,$(filter %.c,$(SOLIB_SOURCES)),$(eval $(call COMPILE_c_o_template,$(SOURCES_DIR)/$(src),$(src:%.c=%.lo),$(SOLIB_PICFLAGS))))

$(foreach src,$(filter %.cc,$(SOLIB_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cc=%.lo),$(SOLIB_PICFLAGS))))

$(foreach src,$(filter %.cxx,$(SOLIB_SOURCES)),$(eval $(call COMPILE_cc_o_template,$(SOURCES_DIR)/$(src),$(src:%.cxx=%.lo),$(SOLIB_PICFLAGS))))

$(foreach src,$(filter %.S,$(SOLIB_SOURCES)),$(eval $(call COMPILE_S_o_template,$(SOURCES_DIR)/$(src),$(src:%.S=%.lo),$(SOLIB_PICFLAGS))))

$(foreach tarfile,$(USER_EMBEDTARFILES),$(eval $(call TARFILE_template,$(tarfile),$(tarfile)_tarfile,$(SOURCES_DIR)/$(tarfile))))

endif


clean-local:
	@echo Cleaning in $(USER_OBJS_DIR)
	@rm -f $(USER_OBJS_DIR)/*.o $(USER_OBJS_DIR)/*.lo \
	       $(USER_OBJS_DIR)/*.d \
	       $(USER_OBJS_DIR)/*.map \
	       $(LOCAL_CONFIG_H:%=$(USER_OBJS_DIR)/%) \
	       $(tar_EMBEDFILES:%=$(USER_OBJS_DIR)/%_tarfile)


default: include-pass library-pass binary-pass

# Local Variables:
# mode:makefile
# End: