# set up environment for other makefiles

NUM_CPUS=$$(expr `grep -c ^processor /proc/cpuinfo`)

CONFIG_SITE =
export CONFIG_SITE

LD_LIBRARY_PATH =
export LD_LIBRARY_PATH

SHELL := /bin/bash

BASE_DIR    := $(shell pwd)

# assign box environment

# - Coolstream ----------------------------------------------------------------

# BOXTYPE                   coolstream
#                          /          \
# BOXSERIES              hd1          hd2
#                        /           /   \
# BOXFAMILY           nevis      apollo kronos
#                      /        /     | |     \
# BOXMODEL          nevis apollo shiner kronos kronos_v2

# - AX Technologies -----------------------------------------------------------

# BOXTYPE                     axtech
#                               |
# BOXSERIES                    ax
#                               |
# BOXFAMILY                    ax
#                               |
# BOXMODEL                    hd51

# -----------------------------------------------------------------------------

# assign by given BOXSERIES
ifneq ($(BOXSERIES),)
  ifeq ($(BOXSERIES), hd1)
    BOXTYPE = coolstream
    BOXFAMILY = nevis
    BOXMODEL = nevis
  else ifeq ($(BOXSERIES), hd2)
    BOXTYPE = coolstream
    BOXFAMILY = apollo
    BOXMODEL = apollo
  else ifeq ($(BOXSERIES), ax)
    BOXTYPE = axtech
    BOXFAMILY = ax
    BOXMODEL = hd51
  else
    $(error $(BOXTYPE) BOXSERIES $(BOXSERIES) not supported)
  endif

# assign by given BOXFAMILY
else ifneq ($(BOXFAMILY),)
  ifeq ($(BOXFAMILY), nevis)
    BOXTYPE = coolstream
    BOXSERIES = hd1
    BOXMODEL = nevis
  else ifeq ($(BOXFAMILY), apollo)
    BOXTYPE = coolstream
    BOXSERIES = hd2
    BOXMODEL = apollo
  else ifeq ($(BOXFAMILY), kronos)
    BOXTYPE = coolstream
    BOXSERIES = hd2
    BOXMODEL = kronos
  else ifeq ($(BOXFAMILY), ax)
    BOXTYPE = axtech
    BOXSERIES = ax
    BOXMODEL = hd51
  else
    $(error $(BOXTYPE) BOXFAMILY $(BOXFAMILY) not supported)
  endif

# assign by given BOXMODEL
else ifneq ($(BOXMODEL),)
  ifeq ($(BOXMODEL), nevis)
    BOXTYPE = coolstream
    BOXSERIES = hd1
    BOXFAMILY = nevis
  else ifeq ($(BOXMODEL), $(filter $(BOXMODEL), apollo shiner))
    BOXTYPE = coolstream
    BOXSERIES = hd2
    BOXFAMILY = apollo
  else ifeq ($(BOXMODEL), $(filter $(BOXMODEL), kronos kronos_v2))
    BOXTYPE = coolstream
    BOXSERIES = hd2
    BOXFAMILY = kronos
  else ifeq ($(BOXMODEL), hd51)
    BOXTYPE = axtech
    BOXSERIES = ax
    BOXFAMILY = ax
  else
    $(error $(BOXTYPE) BOXMODEL $(BOXMODEL) not supported)
  endif

endif

ifeq ($(BOXTYPE), coolstream)
  BOXTYPE_SC = cst
  BOXARCH = arm
else ifeq ($(BOXTYPE), axtech)
  BOXTYPE_SC = axt
  BOXARCH = arm
endif

ifndef BOXTYPE
  $(error BOXTYPE not set)
endif
ifndef BOXTYPE_SC
  $(error BOXTYPE_SC not set)
endif
ifndef BOXARCH
  $(error BOXARCH not set)
endif
ifndef BOXSERIES
  $(error BOXSERIES not set)
endif
ifndef BOXFAMILY
  $(error BOXFAMILY not set)
endif
ifndef BOXMODEL
  $(error BOXMODEL not set)
endif

MAKEFLAGS += --no-print-directory

MAINTAINER   ?= NI-Team
FLAVOUR      ?= ni-neutrino-hd
KSTRING       = NI $(shell echo $(BOXMODEL) | sed 's/.*/\u&/') Kernel
WHOAMI       := $(shell id -un)
ARCHIVE       = $(BASE_DIR)/download
BUILD_TMP     = $(BASE_DIR)/build_tmp
D             = $(BASE_DIR)/deps
DEPDIR        = $(D)
HOSTPREFIX    = $(BASE_DIR)/host
TARGETPREFIX ?= $(BASE_DIR)/root
SOURCE_DIR    = $(BASE_DIR)/source
MAKE_DIR      = $(BASE_DIR)/make
STAGING_DIR   = $(BASE_DIR)/staging
LOCAL_DIR     = $(BASE_DIR)/local
IMAGE_DIR     = $(STAGING_DIR)/images
UPDATE_DIR    = $(STAGING_DIR)/updates
STATIC_DIR    = $(BASE_DIR)/static/$(BOXARCH)/$(BOXSERIES)
HELPERS_DIR   = $(BASE_DIR)/helpers
CROSS_BASE    = $(BASE_DIR)/cross/$(BOXARCH)/$(BOXSERIES)
CROSS_DIR    ?= $(CROSS_BASE)
CONFIGS       = $(BASE_DIR)/archive-configs
PATCHES       = $(BASE_DIR)/archive-patches
IMAGEFILES    = $(BASE_DIR)/archive-imagefiles
SOURCES       = $(BASE_DIR)/archive-sources
SKEL_ROOT     = $(BASE_DIR)/skel-root/$(BOXTYPE)/$(BOXSERIES)
STATICLIB     = $(STATIC_DIR)/lib
TARGETLIB     = $(TARGETPREFIX)/lib
TARGETINCLUDE = $(TARGETPREFIX)/include
BUILD        ?= $(shell /usr/share/libtool/config.guess 2>/dev/null || /usr/share/libtool/config/config.guess 2>/dev/null || /usr/share/misc/config.guess)
CCACHE        = /usr/bin/ccache
CCACHE_DIR    = $(HOME)/.ccache-ni-buildsystem-$(BOXARCH)-$(BOXSERIES)
export CCACHE_DIR

# create debug image
DEBUG ?= no

ifeq ($(BOXSERIES), hd1)
  KVERSION               = 2.6.34.13
  KVERSION_FULL          = $(KVERSION)-$(BOXMODEL)
  KBRANCH                = ni/2.6.34.x
  DRIVERS_DIR            = nevis
  KTECHSTR               =
  CORTEX-STRINGS         =
  TARGET                 = arm-cx2450x-linux-gnueabi
  TARGET_O_CFLAGS        = -Os
  TARGET_MARCH_CFLAGS    = -march=armv6 -mfloat-abi=soft -mlittle-endian
  TARGET_EXTRA_CFLAGS    = -fdata-sections -ffunction-sections
  TARGET_EXTRA_LDFLAGS   = -Wl,--gc-sections
endif

ifeq ($(BOXSERIES), hd2)
  KVERSION               = 3.10.93
  KVERSION_FULL          = $(KVERSION)
  KBRANCH                = ni/3.10.x
  ifeq ($(BOXFAMILY), apollo)
    DRIVERS_DIR          = apollo-3.x
    KTECHSTR             = hd849x
  endif
  ifeq ($(BOXFAMILY), kronos)
    DRIVERS_DIR          = kronos-3.x
    KTECHSTR             = en75x1
  endif
  CORTEX-STRINGS         = -lcortex-strings
  TARGET                 = arm-cortex-linux-uclibcgnueabi
  TARGET_O_CFLAGS        = -O2
  TARGET_MARCH_CFLAGS    = -march=armv7-a -mcpu=cortex-a9 -mtune=cortex-a9 -mfpu=vfpv3-d16 -mfloat-abi=hard -mlittle-endian
  TARGET_EXTRA_CFLAGS    =
  TARGET_EXTRA_LDFLAGS   =
  ifeq ($(BOXMODEL), kronos_v2)
    TARGET_O_CFLAGS      = -Os
    TARGET_EXTRA_CFLAGS  = -fdata-sections -ffunction-sections
    TARGET_EXTRA_LDFLAGS = -Wl,--gc-sections
  endif
endif

ifeq ($(BOXSERIES), ax)
  KVERSION               = 4.10.12
  KVERSION_FULL          = $(KVERSION)
  KBRANCH                = ni/4.10.x
  DRIVERS_DIR            = hd51
  CORTEX-STRINGS         = -lcortex-strings
  TARGET                 = arm-cortex-linux-gnueabihf
  TARGET_O_CFLAGS        = -O2
  TARGET_MARCH_CFLAGS    = -march=armv7ve -mcpu=cortex-a15 -mtune=cortex-a15 -mfpu=neon-vfpv4 -mfloat-abi=hard
  TARGET_EXTRA_CFLAGS    = -Wno-deprecated-declarations
  TARGET_EXTRA_LDFLAGS   =
endif

TARGET_CFLAGS   = -pipe $(TARGET_O_CFLAGS) $(TARGET_MARCH_CFLAGS) $(TARGET_EXTRA_CFLAGS) -g -I$(TARGETINCLUDE)
TARGET_CPPFLAGS = $(TARGET_CFLAGS)
TARGET_CXXFLAGS = $(TARGET_CFLAGS)
TARGET_LDFLAGS  = $(CORTEX-STRINGS) -Wl,-O1 -Wl,-rpath,$(TARGETLIB) -Wl,-rpath-link,$(TARGETLIB) -L$(TARGETLIB) $(TARGET_EXTRA_LDFLAGS)

VPATH = $(D)

TERM_RED	= \033[40;0;31m
TERM_RED_BOLD	= \033[40;1;31m
TERM_GREEN	= \033[40;0;32m
TERM_GREEN_BOLD	= \033[40;1;32m
TERM_YELLOW	= \033[40;0;33m
TERM_YELLOW_BOLD= \033[40;1;33m
TERM_NORMAL	= \033[0m

N_HD_SOURCE ?= $(SOURCE_DIR)/$(FLAVOUR)
USE_LIBSTB-HAL = no
ifneq ($(BOXTYPE), coolstream)
  USE_LIBSTB-HAL = yes
endif

PATH := $(HOSTPREFIX)/bin:$(CROSS_DIR)/bin:$(HELPERS_DIR):$(PATH)

PKG_CONFIG = $(HOSTPREFIX)/bin/$(TARGET)-pkg-config
PKG_CONFIG_LIBDIR = $(TARGETLIB)
PKG_CONFIG_PATH = $(PKG_CONFIG_LIBDIR)/pkgconfig

# helper-"functions":
REWRITE_LIBTOOL        = sed -i "s,^libdir=.*,libdir='$(TARGETLIB)'," $(TARGETLIB)
REWRITE_LIBTOOL_STATIC = sed -i "s,^libdir=.*,libdir='$(TARGETLIB)'," $(STATICLIB)
REWRITE_LIBTOOLDEP     = sed -i -e "s,\(^dependency_libs='\| \|-L\|^dependency_libs='\)/lib,\ $(TARGETLIB),g" $(TARGETLIB)
REWRITE_PKGCONF        = sed -i "s,^prefix=.*,prefix='$(TARGETPREFIX)',"

# unpack tarballs, clean up
UNTAR = tar -C $(BUILD_TMP) -xf $(ARCHIVE)
REMOVE = rm -rf $(BUILD_TMP)/.remove $(TARGETPREFIX)/.remove $(BUILD_TMP)
PATCH = patch -p1 -i $(PATCHES)

# wget tarballs into archive directory
WGET = wget -t3 -T60 -c -P $(ARCHIVE)

CONFIGURE_OPTS = \
	--build=$(BUILD) --host=$(TARGET)

BUILDENV = \
	CC=$(TARGET)-gcc \
	CXX=$(TARGET)-g++ \
	LD=$(TARGET)-ld \
	NM=$(TARGET)-nm \
	AR=$(TARGET)-ar \
	AS=$(TARGET)-as \
	LDD=$(TARGET)-ldd \
	RANLIB=$(TARGET)-ranlib \
	STRIP=$(TARGET)-strip \
	OBJCOPY=$(TARGET)-objcopy \
	OBJDUMP=$(TARGET)-objdump \
	READELF=$(TARGET)-readelf \
	CFLAGS="$(TARGET_CFLAGS)" \
	CPPFLAGS="$(TARGET_CPPFLAGS)" \
	CXXFLAGS="$(TARGET_CXXFLAGS)" \
	LDFLAGS="$(TARGET_LDFLAGS)" \
	PKG_CONFIG_PATH=$(PKG_CONFIG_PATH)

CONFIGURE = \
	test -f ./configure || ./autogen.sh && \
	$(BUILDENV) \
	./configure $(CONFIGURE_OPTS)

GITHUB			= https://github.com
BITBUCKET		= https://bitbucket.org
BITBUCKET_SSH		= git@bitbucket.org

NI_GIT			= $(BITBUCKET_SSH):neutrino-images
NI_NEUTRINO		= ni-neutrino-hd
NI_NEUTRINO_BRANCH	?= ni/tuxbox
ifeq ($(USE_LIBSTB-HAL), yes)
  NI_NEUTRINO_BRANCH	:= ni/mp/tuxbox
endif

BUILD-GENERIC-PC	= build-generic-pc
NI_BUILD-GENERIC-PC	= ni-build-generic-pc

NI_LIBSTB-HAL		= ni-libstb-hal
NI_STREAMRIPPER		= ni-streamripper

NI_LINUX-KERNEL		= ni-linux-kernel
NI_DRIVERS-BIN		= ni-drivers-bin

# ffmpeg/master is currently not mature enough for daily use
# if you want to help testing you can enable it here
NI_FFMPEG		= ni-ffmpeg
NI_FFMPEG_BRANCH	= ni/ffmpeg/2.8
#NI_FFMPEG_BRANCH	= ni/ffmpeg/master

NI_OPENTHREADS		= ni-openthreads

TUXBOX_GIT		= $(GITHUB)/tuxbox-neutrino
TUXBOX_NEUTRINO		= gui-neutrino
TUXBOX_NEUTRINO_BRANCH	?= master

TUXBOX_LIBSTB-HAL	= library-stb-hal

TUXBOX_BOOTLOADER	= bootloader-uboot-cst
TUXBOX_PLUGINS		= plugins

TUXBOX_REMOTE_REPO	= tuxbox

# plugins with remote repo
NI_TUXWETTER		= ni-neutrino-plugin-tuxwetter
TUXBOX_TUXWETTER	= plugin-tuxwetter

# various
NI_LOGO_STUFF		= ni-logo-stuff
NI_SMARTHOMEINFO	= ni-neutrino-plugin-smarthomeinfo

# execute local scripts
define local-script
	@if [ -x $(LOCAL_DIR)/scripts/$(1) ]; then \
		$(LOCAL_DIR)/scripts/$(1) $(2) $(TARGETPREFIX) $(BUILD_TMP); \
	fi
endef