# Common definitions for all architectures
############################################################################

UCLINUX_DIST = 1
export UCLINUX_DIST

# ROOTDIR must be set by the initial makefile
export ROOTDIR

DEVICE_CONFIG = $(ROOTDIR)/.config
export DEVICE_CONFIG
-include $(DEVICE_CONFIG)

LINUXDIR   = $(CONFIG_LINUXDIR)
LIBCDIR    = $(CONFIG_LIBCDIR)
PRODUCTDIR = $(ROOTDIR)/vendors/$(CONFIG_VENDOR)/$(CONFIG_PRODUCT)
export LINUXDIR LIBCDIR PRODUCTDIR

VERSIONPKG ?= $(CONFIG_DISTVERSION)
VERSIONSTR ?= $(CONFIG_VENDOR)/$(CONFIG_PRODUCT) Version $(VERSIONPKG)
BUILD_START_STRING ?= $(shell date "+%a, %d %b %Y %T %z")
export VERSIONPKG VERSIONSTR BUILD_START_STRING

PATH	 := $(PATH):$(ROOTDIR)/tools
ROMFSINST = romfs-inst.sh
LIBTOOL   = jlibtool
export PATH ROMFSINST LIBTOOL

IMAGEDIR   = $(ROOTDIR)/images
RELDIR     = $(ROOTDIR)/release
ROMFSDIR   = $(ROOTDIR)/romfs
SCRIPTSDIR = $(ROOTDIR)/config/kconfig
STAGEDIR   = $(ROOTDIR)/staging
TFTPDIR    = /tftpboot
export IMAGEDIR RELDIR ROMFSDIR SCRIPTSDIR STAGEDIR TFTPDIR

ifndef NON_SMP_BUILD
HOST_NCPU ?= $(shell if [ -f /proc/cpuinfo ]; then n=`grep -c processor /proc/cpuinfo`; if [ $$n -gt 1 ];then expr $$n \* 2; else echo $$n; fi; else echo 1; fi)
# currently a lot of packages cannot be "parallel" built. Uncomment the
# following line to enable parallel subdir builds (ie., user/* and lib/*).
SUBDIR_SMP_BUILD := -j1
else
HOST_NCPU := 1
SUBDIR_SMP_BUILD := -j1
endif
export HOST_NCPU SUBDIR_SMP_BUILD

CONFIG_SHELL := $(shell if [ -x "$$BASH" ]; then echo $$BASH; \
	  else if [ -x /bin/bash ]; then echo /bin/bash; \
	  else echo sh; fi ; fi)
export CONFIG_SHELL

############################################################################
#
# everthing should be in tree,  especially if you are using ucfront,
# instruct ucfront to remap known out-of-tree offenders
# NOTE: make sure the /'s are the same for the match and the replacement
#       as ucfront will just replace the left side with the right side.
# NOTE: always include the trailing /, ucfront understands that /lib/ is the
#       same as /lib, if you leave of the trailing / you will match /lib
#       with /lib32

UCFRONT_MAPDIRS  = /lib/=$(STAGEDIR)/lib/
UCFRONT_MAPDIRS += /usr/lib/=$(STAGEDIR)/usr/lib/
UCFRONT_MAPDIRS += /include/=$(STAGEDIR)/include/
UCFRONT_MAPDIRS += /usr/include/=$(STAGEDIR)/usr/include/
export UCFRONT_MAPDIRS

############################################################################
# If either HOSTBUILD is set, or the file $ROOTDIR/hostbuild exists
# set the hostbuild settings
ifdef HOSTBUILD_CROSS
	HOSTBUILD=1
endif
ifndef HOSTBUILD
	ifeq ($(ROOTDIR)/hostbuild, $(wildcard $(ROOTDIR)/hostbuild))
		HOSTBUILD=1
	endif
endif
export HOSTBUILD

############################################################################

LINUX_CONFIG   = $(ROOTDIR)/$(LINUXDIR)/.config
CONFIG_CONFIG  = $(ROOTDIR)/config/.config
MODULES_CONFIG = $(ROOTDIR)/modules/.config
ARCH_CONFIG    = $(ROOTDIR)/config.arch
export LINUX_CONFIG CONFIG_CONFIG MODULES_CONFIG ARCH_CONFIG

-include $(LINUX_CONFIG)
-include $(CONFIG_CONFIG)
-include $(MODULES_CONFIG)

HOSTCC ?= cc
export HOSTCC

ifndef HOSTBUILD
-include $(ARCH_CONFIG)
endif

ifdef HOSTBUILD
RANLIB ?= ranlib
HOSTCC += -g -DHOSTBUILD=1
CFLAGS := -g -O -DHOSTBUILD=1 -D_FORTIFY_SOURCE=0 -DEMBED -I$(STAGEDIR)/include

-include $(ROOTDIR)/vendors/$(CONFIG_VENDOR)/config.version

# A black list of configs that are not supported for a host build.
CONFIG_BLACKLIST=\
	CONFIG_PROP_FLASH_FLASH CONFIG_LEDMAN \
	CONFIG_LIB_LIBNL_NETFILTER_CT \
	CONFIG_PROP_AUTHD_PROXY_USES_SPLICE
CONFIG_BLACKLIST_GREP="$(shell echo '$(CONFIG_BLACKLIST)' | sed 's/ /\\|/g')"
$(foreach opt,$(CONFIG_BLACKLIST),$(eval $(opt) :=))
endif

############################################################################
UCLINUX_COMMON_LIB = 0

ifdef UCLINUX_BUILD_LIB
	UCLINUX_COMMON_LIB = 1
endif

ifdef UCLINUX_BUILD_USER
	UCLINUX_COMMON_LIB = 1
endif

ifeq ($(UCLINUX_COMMON_LIB),1)
	# Static versions of libraries
	SLIBFLEX	=	-lfl
	SLIBC		=	-lc
	SLIBM		=	-lm
	SLIBNETOLD		=	-lnetold
	SLIBPCAP	=	-lpcap
	ifdef DISABLE_SHARED_SSL
		SLIBSSL		=	-Wl,-Bstatic -lssl -Wl,-Bdynamic
		SLIBCRYPTO	=	-Wl,-Bstatic -lcrypto -Wl,-Bdynamic
	else
		SLIBSSL		=	-lssl
		SLIBCRYPTO	=	-lcrypto
	endif
	SLIBATM		=	-latm
	ifdef CONFIG_LIB_LIBCRYPT_OLD
		SLIBCRYPT	=	-Wl,-Bstatic -lcrypt_old -Wl,-Bstatic -lcrypt
	else
		SLIBCRYPT	=	-Wl,-Bstatic -Wl,-Bstatic -lcrypt
	endif
	SLIBEXPAT	=	-lexpat
	SLIBIXML	=	-lixml
	SLIBJPEG	=	-ljpeg
	SLIBPNG		=	-lpng
	ifdef CONFIG_LIB_STLPORT
		ifdef CONFIG_LIB_STLPORT_SHARED
			SLIBSTDCPP	=	-lstlport
		else
			SLIBSTDCPP	=	-Wl,-Bstatic -lstlport -Wl,-Bdynamic
		endif
	else
		SLIBSTDCPP	=	-lstdc++
	endif
	SLIBTHREADUTIL	=	-lthreadutil
	SLIBPTHREAD	=	-lpthread
	SLIBUPNP	=	-lupnp
	SLIBZ		=	-lz

	# Dynamic versions
	LIBFLEX		=	$(SLIBFLEX)
	LIBC		=	$(SLIBC)
	LIBM		=	$(SLIBM)
	LIBNETOLD		=	$(SLIBNETOLD)
	LIBPCAP		=	$(SLIBPCAP)
	LIBSSL		=	$(SLIBSSL)
	LIBCRYPTO	=	$(SLIBCRYPTO)
	LIBATM		=	$(SLIBATM)
	ifdef CONFIG_LIB_LIBCRYPT_OLD
		LIBCRYPT	=	-lcrypt_old	-lcrypt
	else
		LIBCRYPT	=	-lcrypt
	endif
	LIBDL		=	-ldl
	LIBEXPAT	=	-lexpat
	LIBGCC		=	-lgcc
	LIBIBERTY	?=	-liberty
	LIBIO		=	-lio
	LIBIOSTREAM	=	-liostream
	LIBIXML		=	$(SLIBIXML)
	LIBJPEG		=	$(SLIBJPEG)
	LIBPNG		=	$(SLIBPNG)
	LIBSTDCPP	=	$(SLIBSTDCPP)
	LIBTCL		=	-ltcl
	LIBTHREADUTIL	=	$(SLIBTHREADUTIL)
	LIBPTHREAD	=	$(SLIBPTHREAD)
	LIBUPNP		=	$(SLIBUPNP)
	LIBZ		=	$(SLIBZ)
	ifeq ($(findstring glibc,$(LIBCDIR)),glibc)
		LIBRESOLV	=	-lresolv
	endif
	ifneq ($(LIBCDIR),libc)
		LIBUTIL		=	-lutil
	endif

	# STLPort
	# Note that STL_INCDIR is not included by default since
	# it can cause conflicts
	STL_INCDIR=$(STAGEDIR)/include/stlport
	STL_LIBDIR=$(STAGEDIR)/lib

	# Some make-foo to add the --fatal-warnings linker option, if supported
	# (with thanks to Kbuild in 2.6)
	# LDFLAGS += $(shell if $(CC) -Wl,--fatal-warnings -nostdlib -xc /dev/null -o /tmp/$$$$.out > /dev/null 2>&1; then echo "-Wl,--fatal-warnings"; rm /tmp/$$$$.out; fi;)

	PKG_CONFIG_LIBDIR=$(STAGEDIR)/lib
	GLIBJ_ZIP=$(STAGEDIR)/lib/classpath/install/share/classpath/glibj.zip
endif
############################################################################

# May use a different compiler for the kernel
KERNEL_CROSS_COMPILE ?= $(CROSS_COMPILE)
ifneq ($(SUBARCH),)
# Using UML, so make the kernel and non-kernel with different ARCHs
MAKEARCH = $(MAKE) ARCH=$(SUBARCH)
MAKEARCH_KERNEL = $(MAKE) ARCH=$(ARCH) SUBARCH=$(SUBARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE)
else
MAKEARCH = $(MAKE) ARCH=$(ARCH)
MAKEARCH_KERNEL = $(MAKE) ARCH=$(ARCH) CROSS_COMPILE=$(KERNEL_CROSS_COMPILE)
endif
MAKEARCH_KERNEL += CFLAGS_KERNEL="$(VENDOR_CFLAGS)"
MAKEARCH_KERNEL += AFLAGS_KERNEL="$(VENDOR_AFLAGS)"
MAKEARCH_KERNEL += EXTRA_MODULE_DIRS="$(EXTRA_MODULE_DIRS)"

############################################################################