##
#	@file Makefile.config
#
#	@brief This file contains the global default tool arguments,
#	       which could be appended or overwrited by each module
#
#	@author Howard Chen
##

##
#   @brief option flags for gcc/tcc
#	@param CC			: option for c compiler
#	@param CXX			: option for c++ compiler
#	@param WALL			: option for warning message
#	@param DEBUG		: option for debugging format
#	@param MOPTS		: option for specific target
#	@param INCLUDE_ADD	: INCLUDE ADD-ON
#	@param LDFLAGS_ADD	: LDFLAGS ADD-ON
#	@param SYS_LIBS		: SYSTEM library add for image linking
#	@param STARTUP		: startup code (if any)
##

GCC	   = $(CROSS)gcc
CC	   = $(GCC)
CXX	   = $(CROSS)g++
##
#	-------------[ config for native           ]------------------------------
##
ifeq ($(CROSS),)
	ifeq ($(strip $(LINUX)),2)
		#Linux kernel space
		#MOPTS ?= -m32 -fno-builtin -D__KERNEL__ -I../linux/include -DMODULE -DMODVERSIONS -include ../linux/include/linux/modversions.h
		MOPTS ?= -m32 -fno-builtin -D__KERNEL__ -DMODULE -DMODVERSIONS
		CONFIG += -DLINUX
	else
		WALL   ?= -Wall
		DEBUGS ?= -g
		MOPTS  ?= -m32
		ifeq ($(strip $(LINUX)),1)
			CONFIG += -DLINUX
		endif
		SYS_LIBS?= pthread rt
		RUN     ?= ./
	endif
	DEF_ASFLAGS=-m32 
endif

ifeq ($(strip $(CROSS)),arm-none-linux-)
	ifeq ($(strip $(LINUX)),2)
		#Linux kernel space
		MOPTS ?= -fno-builtin -D__KERNEL__ -DMODULE -DMODVERSIONS
		CONFIG += -DLINUX
	else
		WALL   ?= -Wall
		DEBUGS ?= -g
		THUMB	?=-mthumb
		MOPTS  ?= -fcall-saved-r10 -march=armv5te -ffunction-sections -fdata-sections -mthumb-interwork -msoft-float
		CONFIG += -DLINUX
		SYS_LIBS?= pthread rt
		RUN     ?=
	        DEF_ASFLAGS = $(DEBUGS)
	endif
	DEF_ASFLAGS = -msoft-float -mthumb-interwork
endif

ifeq ($(strip $(CROSS)),mipsel-linux-)
	ifeq ($(strip $(LINUX)),2)
		#Linux kernel space
		MOPTS ?= -fno-builtin -D__KERNEL__ -DMODULE -DMODVERSIONS
		CONFIG += -DLINUX
	else
		WALL   ?= -Wall
		DEBUGS ?= -g
		#THUMB	?=-mthumb
		#MOPTS  ?= -fcall-saved-r10 -march=armv5te -ffunction-sections -fdata-sections -mthumb-interwork -msoft-float
		CONFIG += -DLINUX
		SYS_LIBS?= pthread rt
		RUN     ?=
	        DEF_ASFLAGS = $(DEBUGS)
	endif
	DEF_ASFLAGS = -msoft-float -mdsp -mdspr2
endif

ifeq ($(strip $(CROSS)),arm-linux-)
	ifeq ($(strip $(LINUX)),2)
		#Linux kernel space
		MOPTS ?= -fno-builtin -D__KERNEL__ -DMODULE -DMODVERSIONS
		CONFIG += -DLINUX
	else
		WALL   ?= -Wall
		DEBUGS ?= -g
		THUMB   ?=-mthumb
		ifeq ($(PLATFORM),mt6280)
			MOPTS  ?= -fcall-saved-r10 -march=armv5te -ffunction-sections -fdata-sections -mthumb-interwork
		else
			ifeq ($(PLATFORM),mt6290)
				MOPTS  ?= -fcall-saved-r10 -march=armv7-a -ffunction-sections -fdata-sections -mthumb
			else
				MOPTS  ?= -fcall-saved-r10 -march=armv6zk -ffunction-sections -fdata-sections -mthumb-interwork -mfpu=vfp -mfloat-abi=softfp
			endif
		endif
		CONFIG += -DLINUX
		SYS_LIBS?= pthread rt
		RUN     ?=
		DEF_ASFLAGS = $(DEBUGS)
	endif
	ifeq ($(PLATFORM),mt6280)
		DEF_ASFLAGS = -mthumb-interwork
	else
		DEF_ASFLAGS = -mfpu=vfp -mfloat-abi=softfp -mthumb-interwork
	endif
endif

ifeq ($(strip $(CROSS)),aarch64-linux-)
	ifeq ($(strip $(LINUX)),2)
		#Linux kernel space
		MOPTS ?= -fno-builtin -D__KERNEL__ -DMODULE -DMODVERSIONS
		CONFIG += -DLINUX
	else
		WALL   ?= -Wall
		DEBUGS ?= -g
		MOPTS  ?= -march=armv8-a -ffunction-sections -fdata-sections
		CONFIG += -DLINUX
		SYS_LIBS?= pthread rt
		RUN     ?=
		DEF_ASFLAGS = $(DEBUGS)
	endif
endif

ifeq ($(strip $(CROSS)),aarch64-poky-linux-)
	INCLUDE_ADD += $(BB_INCLUDE_ADD)
	LDFLAGS_ADD += $(BB_LDFLAGS_ADD) ${BB_LDPATH_ADD}
	MOPTS  += $(BB_CFLAGS_ADD)
	ifeq ($(strip $(LINUX)),2)
		#Linux kernel space
		MOPTS  += -fno-builtin -D__KERNEL__ -DMODULE -DMODVERSIONS
		CONFIG += -DLINUX
	else
		WALL   ?= -Wall
		DEBUGS ?= -g
		MOPTS  += -march=armv8-a -ffunction-sections -fdata-sections
		CONFIG += -DLINUX
		SYS_LIBS?= pthread rt
		RUN     ?=
		DEF_ASFLAGS = $(DEBUGS)
	endif
endif

ifeq ($(strip $(CROSS)),arm-poky-linux-gnueabi-)
	INCLUDE_ADD += $(BB_INCLUDE_ADD)
	LDFLAGS_ADD += $(BB_LDFLAGS_ADD) ${BB_LDPATH_ADD}
	MOPTS  += $(BB_CFLAGS_ADD)
	ifeq ($(strip $(LINUX)),2)
		#Linux kernel space
		MOPTS ?= -fno-builtin -D__KERNEL__ -DMODULE -DMODVERSIONS
		CONFIG += -DLINUX
	else
		WALL   ?= -Wall
		DEBUGS ?= -g
		THUMB   ?=-mthumb
		MOPTS  ?= -fcall-saved-r10 -march=armv7-a -ffunction-sections -fdata-sections -mthumb-interwork -mfpu=vfp -mfloat-abi=softfp -mtune=cortex-a7
		CONFIG += -DLINUX
	ifeq ($(strip $(PACKAGE_ARCH)),$(filter $(strip $(PACKAGE_ARCH)), cortexa7hf-vfp-vfpv4-neon cortexa7hf-neon-vfpv4))
		MOPTS  += -fcall-saved-r10 -march=armv7-a -ffunction-sections -fdata-sections -mthumb-interwork -mfpu=neon-vfpv4 -mfloat-abi=hard -mtune=cortex-a7
		CONFIG += -mhard-float
	endif
		SYS_LIBS?= pthread rt
		RUN     ?=
		DEF_ASFLAGS = $(DEBUGS)
	endif
	DEF_ASFLAGS = -mfpu=vfp -mfloat-abi=softfp -mthumb-interwork

endif


##
#	------------- config for arm-none-eabi- ---------------------------------
#	@param THUMB  	thumb-mode 	switch
#	@param ARM	   	arm-mode 	switch
#	@param EL		little-endian switch
#	@param EB		big-endian	switch
#	@param COMPILER rvds/gcc switch
#	@param INIT		initial scheme
##
ifeq ($(strip $(CROSS)),arm-none-eabi-)
	RUN     ?=mdebug 192.168.0.8 9000
	ifeq ($(strip $(COMPILER)),RVDS)
		CC 	= tcc
		CXX	= tcc
	endif

	ifeq ($(strip $(COMPILER)),RVDS)
		WALL 	?=
		DEBUG	?=-g
		THUMB	?=--thumb
		ARM  	?=--arm
		EL   	?=--littleend
		EB   	?=--bigend
		MOPTS	?=--cpu arm9
	else
		WALL 	?=-Wall
		DEBUGS	?=-gstabs
		THUMB	?=-mthumb
		ARM  	?=-marm
		EL   	?=-mlittle-endian
		EB   	?=-mbig-endian
		MOPTS	?=-fcall-saved-r10 -mthumb-interwork -march=armv5te -msoft-float -ffunction-sections -fdata-sections
	endif

	ifeq ($(strip $(COMPILER)),RVDS)
		INCLUDE_ADD += -I /usr/local/ARM/RVCT/Data/2.2/349/include/unix/
	endif
	ifeq ($(strip $(NEWLIB)),1)
		CONFIG		+= -DNEWLIB
	endif
	LD_SCRIPT	?= -Tlink.ld
	INIT		?= base_init
	SYS_LIBS    ?= gcc c
	SYS_LIBS    += $(INIT)
	LDFLAGS_ADD += -nostartfiles -nodefaultlibs -Wl,--gc-sections $(LD_SCRIPT)
	STARTUP		?= $(ROOT)/lib/startup.o
	DEF_ASFLAGS = -msoft-float -mthumb-interwork
endif

##
#	-------------[ config for arm-none-elf-    ]------------------------------
#	@param THUMB  	thumb-mode 	switch
#	@param ARM	   	arm-mode 	switch
#	@param EL		little-endian switch
#	@param EB		big-endian	switch
#	@param NEWLIB	use toolchain supported newlib
#	@param INIT		initial scheme
##
ifeq ($(strip $(CROSS)),arm-none-elf-)

	WALL 	?=-Wall
	DEBUGS	?=-g
	THUMB	?=-mthumb
	ARM  	?=-marm
	EL   	?=-mlittle-endian
	EB   	?=-mbig-endian
	MOPTS	?=-fcall-saved-r10 -mthumb-interwork -march=armv5te -msoft-float -ffunction-sections -fdata-sections
	NEWLIB  ?= 1
	RUN     ?=mdebug 192.168.0.8 9000 
	ifeq ($(strip $(NEWLIB)),1)
		CONFIG		+= -D NEWLIB
		SYS_LIBS    ?= gcc c
		SYS_LIBS    += $(INIT)
		LD_SCRIPT	?= -Tlink.ld
		LDFLAGS_ADD += -nostartfiles -nodefaultlibs -Wl,--gc-sections $(LD_SCRIPT)
		INIT		?= base_init
		STARTUP		?= $(ROOT)/lib/startup.o -l$(INIT)
	else
		INCLUDE_ADD += -I $(ROOT)/include/ecos
		SYS_LIBS	?=
		LD_SCRIPT	 = -Tecos.ld 		# note , application with ecos must use ecos.ld
		LDFLAGS_ADD +=-nostdlib -nodefaultlibs -nostartfiles -Wl,--gc-sections $(LD_SCRIPT)
	endif
	DEF_ASFLAGS = $(DEBUGS) -msoft-float -mthumb-interwork
	CXXFLAGS_ADD     = -fno-rtti -fno-exceptions
endif

##
#	-------------[ config for i586-mingw32msvc-]------------------------------
##
ifeq ($(strip $(CROSS)),i586-mingw32msvc-)
	WALL  		?=-Wall
	DEBUGS		?=-g
	MOPTS		?=-m32
	SYS_LIBS    ?= ws2_32 iberty
	LDFLAGS_ADD	+=
	RUN			?=
endif


##
#	@param DEF_INCLUDE: default include path
#   @param DEF_CFLAGS:  default compiler options
#		(debugger information/ warning/ little-endian)
#
#   @param DEF_ASFLAGS: default assembler options (debugger information)
#
#   @param DEF_LDFLAGS: default linker options ( link with each libary specified
#		in the $(DEP_LIBS) variable and specify the $(PREFIX)/lib and current
#		directory as the library search path
##
CROSS_SUP ?= arm-none-eabi-
ROOT   ?= $(PREFIX)/$(CROSS:%-=%)
STRICT ?= 0
ifeq ($(strip $(STRICT)),1)
	DEF_CFLAGS = $(DEBUGS) $(MOPTS) $(WALL) -Werror
else
	DEF_CFLAGS = $(DEBUGS) $(MOPTS) $(WALL)
endif

DEF_INCLUDE = -I include -I $(ROOT)/include $(INCLUDE_ADD)

SIM_LIBS ?= $(patsubst $(NAME),,$(patsubst basegltarget,baseglsim,$(DEP_LIBS)))

ifeq ($(strip $(DEP_LIBS_AUTO)),1)
	_DEP_LIBS?=$(shell wimac_dep.sh $(NAME) "$(DEP_LIBS)" "$(DEP_LIBS_EX)")
else
	_DEP_LIBS?=$(DEP_LIBS)
endif

DEP_LIBS_LD = -L. -L $(ROOT)/lib \
			-Xlinker --start-group -Xlinker -l$(NAME) \
			$(foreach _LIB, $(_DEP_LIBS), -Xlinker -l$(_LIB)) \
			$(foreach _LIB, $(SYS_LIBS), -Xlinker -l$(_LIB)) \
			-Xlinker --end-group

DEF_LDFLAGS = $(STARTUP) $(LDFLAGS_ADD) $(DEBUGS) $(MOPTS) $(DEP_LIBS_LD)

HEXPAD=0

#ifeq ($(strip $(NAME)),base)
#else
#include $(PREFIX)/.Makefile
#endif