ifndef MAKE
MAKE:=make
endif
ifndef HOSTMAKE
HOSTMAKE=$(MAKE)
endif
HOSTMAKE :=$(shell which $(HOSTMAKE) || type -p $(HOSTMAKE) || echo make)

MAKE1:=$(HOSTMAKE) -j1
MAKE:=$(HOSTMAKE) -j$(BR2_JLEVEL)

ifeq ($(BR2_OPTIMIZE_0),y)
TARGET_OPTIMIZATION+=-O0
endif
ifeq ($(BR2_OPTIMIZE_1),y)
TARGET_OPTIMIZATION+=-O1
endif
ifeq ($(BR2_OPTIMIZE_2),y)
TARGET_OPTIMIZATION+=-O2
endif
ifeq ($(BR2_OPTIMIZE_3),y)
TARGET_OPTIMIZATION+=-O3
endif
ifeq ($(BR2_OPTIMIZE_S),y)
TARGET_OPTIMIZATION+=-Os
endif
ifeq ($(BR2_DEBUG_1),y)
TARGET_DEBUGGING=-g1
endif
ifeq ($(BR2_DEBUG_2),y)
TARGET_DEBUGGING=-g2
endif
ifeq ($(BR2_DEBUG_3),y)
TARGET_DEBUGGING=-g3
endif


#########################################################################
ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
TARGET_CFLAGS=$(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING) \
	-I$(STAGING_DIR)/usr/include -I$(STAGING_DIR)/include
TARGET_LDFLAGS+=-L$(STAGING_DIR)/lib -L$(STAGING_DIR)/usr/lib
ifeq ($(BR2_TOOLCHAIN_SYSROOT),y)
TARGET_CFLAGS+= $(BR2_SYSROOT) $(BR2_ISYSROOT)
TARGET_LDFLAGS+= $(BR2_SYSROOT)
endif

CC_TARGET_TUNE_:=$(strip $(subst ",,$(BR2_GCC_TARGET_TUNE)))
#"))
CC_TARGET_ARCH_:=$(strip $(subst ",,$(BR2_GCC_TARGET_ARCH)))
#"))
CC_TARGET_ABI_:=$(strip $(subst ",,$(BR2_GCC_TARGET_ABI)))
#"))
ifneq ($(CC_TARGET_TUNE_),)
TARGET_CFLAGS+=-mtune=$(CC_TARGET_TUNE_)
endif
ifneq ($(CC_TARGET_ARCH_),)
TARGET_CFLAGS+=-march=$(CC_TARGET_ARCH_)
endif
ifneq ($(CC_TARGET_ABI_),)
TARGET_CFLAGS+=-mabi=$(CC_TARGET_ABI_)
endif

ifneq ($(BR2_PREFER_STATIC_LIB),y)
ifeq ($(BR2_x86_64),y)
TARGET_CFLAGS+=-fPIC -DPIC
endif # PIC for dynamic objects on x86_64
endif

ifeq ($(BR2_SOFT_FLOAT),y)
TARGET_CFLAGS+=-msoft-float
endif

ifeq ($(BR2_VFP_FLOAT),y)
TARGET_CFLAGS+=-mfpu=vfp
endif

# enable VIS for v9a and v9b
ifeq ($(findstring y,$(BR2_sparc_v9a)$(BR2_sparc64_v9a)$(BR2_sparc_v9b)$(BR2_sparc64_v9b)),y)
TARGET_CFLAGS+=-mvis
endif

ifeq ($(findstring yy,$(BR2_mips)$(BR2_MIPS_ABI64)),yy)
TARGET_CFLAGS+=-fno-pic -mno-abicalls
endif

ifeq ($(BR2_LARGEFILE),y)
TARGET_CFLAGS+=-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
endif

TARGET_CXXFLAGS=$(TARGET_CFLAGS)

# else it's an external toolchain
#########################################################################
else
TARGET_CFLAGS=$(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING) --sysroot $(STAGING_DIR)/
TARGET_CXXFLAGS=$(TARGET_CFLAGS)
TARGET_LDFLAGS=--sysroot $(STAGING_DIR)/
endif
#########################################################################
#ifeq ($(BR2_ROOTFS_SUFFIX),)
ROOTFS_SUFFIX:=$(strip $(subst ",, $(BR2_ROOTFS_SUFFIX)))
ifeq ($(ROOTFS_SUFFIX),)
ROOTFS_SUFFIX:=
else
XXXX=xxxx
ROOTFS_SUFFIX:=-$(BR2_ROOTFS_SUFFIX)
endif

ifeq ($(strip $(subst ",, $(BR2_FPU_SUFFIX))),y)
COND_ARCH_FPU_SUFFIX:=$(ARCH_FPU_SUFFIX)
else
COND_ARCH_FPU_SUFFIX:=
endif

ifeq ($(BR2_TOOLCHAIN_SOURCE),y)
TOOL_BUILD_DIR=$(BASE_DIR)/$(TOPDIR_PREFIX)toolchain_build_$(ARCH)$(COND_ARCH_FPU_SUFFIX)$(TOPDIR_SUFFIX)

# Quotes are needed for spaces et al in path components.
TARGET_PATH="$(TOOL_BUILD_DIR)/bin:$(HOST_DIR)/bin:$(HOST_DIR)/usr/bin:$(STAGING_DIR)/bin:$(STAGING_DIR)/usr/bin:$(PATH)"
IMAGE:=$(BINARIES_DIR)/$(BR2_ROOTFS_PREFIX).$(ARCH)$(COND_ARCH_FPU_SUFFIX)$(ROOTFS_SUFFIX)
GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)-linux
REAL_GNU_TARGET_NAME=$(OPTIMIZE_FOR_CPU)$(GNU_TARGET_SUFFIX)
TARGET_CROSS=$(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-
KERNEL_CROSS=$(TARGET_CROSS)
else
TOOLCHAIN_EXTERNAL_PREFIX:=$(strip $(subst ",, $(BR2_TOOLCHAIN_EXTERNAL_PREFIX)))
#"))
TOOLCHAIN_EXTERNAL_PATH:=$(strip $(subst ",, $(BR2_TOOLCHAIN_EXTERNAL_PATH)))
#"))
#TOOL_BUILD_DIR=$(BASE_DIR)/$(TOPDIR_PREFIX)toolchain_build_$(TOOLCHAIN_EXTERNAL_PREFIX)
TOOL_BUILD_DIR=$(BASE_DIR)/$(TOPDIR_PREFIX)toolchain_build_$(ARCH)$(COND_ARCH_FPU_SUFFIX)$(TOPDIR_SUFFIX)
TARGET_PATH="$(HOST_DIR)/bin:$(HOST_DIR)/usr/bin:$(TOOL_BUILD_DIR)/bin:$(TOOLCHAIN_EXTERNAL_PATH)/bin:$(PATH)"
#IMAGE:=$(BINARIES_DIR)/$(BR2_ROOTFS_PREFIX).$(TOOLCHAIN_EXTERNAL_PREFIX)$(ROOTFS_SUFFIX)
IMAGE:=$(BINARIES_DIR)/$(BR2_ROOTFS_PREFIX).$(ARCH)$(COND_ARCH_FPU_SUFFIX)$(ROOTFS_SUFFIX)

REAL_GNU_TARGET_NAME=$(TOOLCHAIN_EXTERNAL_PREFIX)
GNU_TARGET_NAME=$(TOOLCHAIN_EXTERNAL_PREFIX)
KERNEL_CROSS=$(TOOLCHAIN_EXTERNAL_PATH)/bin/$(TOOLCHAIN_EXTERNAL_PREFIX)-
TARGET_CROSS=$(TOOLCHAIN_EXTERNAL_PATH)/bin/$(TOOLCHAIN_EXTERNAL_PREFIX)-
endif
TARGET_AR=$(TARGET_CROSS)ar
TARGET_AS=$(TARGET_CROSS)as
TARGET_CC=$(TARGET_CROSS)gcc
TARGET_CPP=$(TARGET_CROSS)cpp
TARGET_CXX=$(TARGET_CROSS)g++
ifeq ($(BR2_GCC_VERSION_3_4_6),y)
TARGET_FC=$(TARGET_CROSS)g77
else
TARGET_FC=$(TARGET_CROSS)gfortran
endif
TARGET_LD=$(TARGET_CROSS)ld
TARGET_NM=$(TARGET_CROSS)nm
TARGET_RANLIB=$(TARGET_CROSS)ranlib
TARGET_OBJCOPY=$(TARGET_CROSS)objcopy
TARGET_OBJDUMP=$(TARGET_CROSS)objdump
ifeq ($(BR2_TOOLCHAIN_EXTERNAL),y)
TARGET_LDCONFIG=/sbin/ldconfig
else
TARGET_LDCONFIG=$(TARGET_CROSS)ldconfig
endif
ifeq ($(BR2_STRIP_strip),y)
STRIP_DISCARD_ALL:=--discard-all
STRIP_STRIP_UNNEEDED:=--strip-unneeded
STRIP_STRIP_ALL:=--strip-all
REMOVE_SECTION_COMMENT:=--remove-section=.comment
REMOVE_SECTION_NOTE:=--remove-section=.note
TARGET_STRIP=$(TARGET_CROSS)strip
STRIPCMD=$(TARGET_CROSS)strip $(REMOVE_SECTION_COMMENT) $(REMOVE_SECTION_NOTE)
endif
ifeq ($(BR2_STRIP_sstrip),y)
STRIP_DISCARD_ALL:=
STRIP_STRIP_UNNEEDED:=
STRIP_STRIP_ALL:=
REMOVE_SECTION_COMMENT:=
REMOVE_SECTION_NOTE:=
TARGET_STRIP=$(STAGING_DIR)/usr/bin/$(REAL_GNU_TARGET_NAME)-sstrip
STRIPCMD=$(TARGET_STRIP)
endif
ifeq ($(BR2_STRIP_none),y)
TARGET_STRIP=true -Not_stripping
STRIPCMD=$(TARGET_STRIP)
endif
INSTALL=$(shell which install || type -p install)
FLEX:=$(shell which flex || type -p flex)
BISON:=$(shell which bison || type -p bison)

HOST_CFLAGS   += -I$(HOST_DIR)/include -I$(HOST_DIR)/usr/include
HOST_CXXFLAGS += -I$(HOST_DIR)/include -I$(HOST_DIR)/usr/include
HOST_LDFLAGS  += -L$(HOST_DIR)/lib -L$(HOST_DIR)/usr/lib
HOST_PATH=$(HOST_DIR)/bin:$(HOST_DIR)/usr/bin:$(PATH)

# hostcc version as an integer - E.G. 4.3.2 => 432
HOSTCC_VERSION:=$(shell $(HOSTCC) --version | \
	sed -n 's/^.* \([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)[ ]*.*$$/\1\2\3/p')

HOST_ARCH:=$(shell $(HOSTCC) -dumpmachine | sed -e s'/-.*//' \
	-e 's/sparc.*/sparc/' \
	-e 's/arm.*/arm/g' \
	-e 's/m68k.*/m68k/' \
	-e 's/ppc/powerpc/g' \
	-e 's/v850.*/v850/g' \
	-e 's/sh[234]/sh/' \
	-e 's/mips-.*/mips/' \
	-e 's/mipsel-.*/mipsel/' \
	-e 's/cris.*/cris/' \
	-e 's/i[3-9]86/i386/' \
	-e 's/xtensa.*/xtensa/' \
	)
GNU_HOST_NAME:=$(HOST_ARCH)-$(subst ",,$(BR2_GNU_BUILD_SUFFIX))
#")

TARGET_CONFIGURE_OPTS=PATH=$(TARGET_PATH) \
		AR="$(TARGET_AR)" \
		AS="$(TARGET_AS)" \
		LD="$(TARGET_LD)" \
		NM="$(TARGET_NM)" \
		CC="$(TARGET_CC) $(TARGET_CFLAGS)" \
		GCC="$(TARGET_CC) $(TARGET_CFLAGS)" \
		CPP="$(TARGET_CPP) $(TARGET_CFLAGS)" \
		CXX="$(TARGET_CXX) $(TARGET_CXXFLAGS)" \
		FC="$(TARGET_FC) $(TARGET_FCFLAGS)" \
		RANLIB="$(TARGET_RANLIB)" \
		STRIP="$(TARGET_STRIP)" \
		OBJCOPY="$(TARGET_OBJCOPY)" \
		AR_FOR_BUILD="$(HOSTAR)" \
		AS_FOR_BUILD="$(HOSTAS)" \
		CC_FOR_BUILD="$(HOSTCC)" \
		GCC_FOR_BUILD="$(HOSTCC)" \
		CXX_FOR_BUILD="$(HOSTCXX)" \
		FC_FOR_BUILD="$(HOSTFC)" \
		LD_FOR_BUILD="$(HOSTLD)" \
		CFLAGS_FOR_BUILD="$(HOST_CFLAGS)" \
		CXXFLAGS_FOR_BUILD="$(HOST_CXXFLAGS)" \
		LDFLAGS_FOR_BUILD="$(HOST_LDFLAGS)" \
		FCFLAGS_FOR_BUILD="$(HOST_FCFLAGS)" \
		AR_FOR_TARGET="$(TARGET_AR)" \
		AS_FOR_TARGET="$(TARGET_AS)" \
		CC_FOR_TARGET="$(TARGET_CC)" \
		LD_FOR_TARGET="$(TARGET_LD)" \
		NM_FOR_TARGET="$(TARGET_NM)" \
		DEFAULT_ASSEMBLER="$(TARGET_AS)" \
		DEFAULT_LINKER="$(TARGET_LD)" \
		PKG_CONFIG_SYSROOT_DIR="$(STAGING_DIR)" \
		PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
		PKG_CONFIG_PATH="$(STAGING_DIR)/usr/lib/pkgconfig$(PKG_CONFIG_PATH)" \
		STAGING_DIR="$(STAGING_DIR)"

TARGET_CONFIGURE_ENV=\
	CFLAGS="$(TARGET_CFLAGS)" \
	CXXFLAGS="$(TARGET_CXXFLAGS)" \
	LDFLAGS="$(TARGET_LDFLAGS)" \
	FCFLAGS="$(TARGET_FCFLAGS)" \

HOST_CONFIGURE_OPTS=PATH=$(HOST_PATH) \
		AR="$(HOSTAR)" \
		AS="$(HOSTAS)" \
		LD="$(HOSTLD) $(HOST_LDFLAGS)" \
		NM="$(HOSTNM)" \
		CC="$(HOSTCC) $(HOST_CFLAGS)" \
		GCC="$(HOSTCC) $(HOST_CFLAGS)" \
		CXX="$(HOSTCXX) $(HOST_CXXFLAGS)" \
		CPP="$(HOSTCPP) $(HOST_CFLAGS)" \
		AR_FOR_BUILD="$(HOSTAR)" \
		AS_FOR_BUILD="$(HOSTAS)" \
		CC_FOR_BUILD="$(HOSTCC)" \
		GCC_FOR_BUILD="$(HOSTCC)" \
		CXX_FOR_BUILD="$(HOSTCXX)" \
		LD_FOR_BUILD="$(HOSTLD)" \
		FC_FOR_BUILD="$(HOSTFC)" \
		CFLAGS_FOR_BUILD="$(HOST_CFLAGS)" \
		CXXFLAGS_FOR_BUILD="$(HOST_CXXFLAGS)" \
		LDFLAGS_FOR_BUILD="$(HOST_LDFLAGS)" \
		FCFLAGS_FOR_BUILD="$(HOST_FCFLAGS)" \
		AR_FOR_TARGET="$(TARGET_AR)" \
		AS_FOR_TARGET="$(TARGET_AS)" \
		CC_FOR_TARGET="$(TARGET_CC)" \
		LD_FOR_TARGET="$(TARGET_LD)" \
		NM_FOR_TARGET="$(TARGET_NM)" \
		RANLIB_FOR_TARGET="$(TARGET_RANLIB)" \
		STRIP_FOR_TARGET="$(TARGET_STRIP)" \
		OBJCOPY_FOR_TARGET="$(TARGET_OBJCOPY)" \
		OBJDUMP_FOR_TARGET="$(TARGET_OBJDUMP)" \
		DEFAULT_ASSEMBLER="$(TARGET_AS)" \
		DEFAULT_LINKER="$(TARGET_LD)" \
		ORIGINAL_AS_FOR_TARGET="$(TARGET_AS)" \
		ORIGINAL_LD_FOR_TARGET="$(TARGET_LD)" \
		ORIGINAL_NM_FOR_TARGET="$(TARGET_NM)" \
		ORIGINAL_OBJDUMP_FOR_TARGET="$(TARGET_OBJDUMP)" \
		PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
		PKG_CONFIG_PATH="$(HOST_DIR)/usr/lib/pkgconfig$(PKG_CONFIG_PATH)"

HOST_MAKE_ENV=PATH=$(HOST_PATH)

#######################################################################
# settings we need to pass to configure

# does unaligned access trap?
BR2_AC_CV_TRAP_CHECK=ac_cv_lbl_unaligned_fail=yes
ifeq ($(BR2_i386),y)
BR2_AC_CV_TRAP_CHECK=ac_cv_lbl_unaligned_fail=no
endif
ifeq ($(BR2_x86_64),y)
BR2_AC_CV_TRAP_CHECK=ac_cv_lbl_unaligned_fail=no
endif
ifeq ($(BR2_m68k),y)
BR2_AC_CV_TRAP_CHECK=ac_cv_lbl_unaligned_fail=no
endif
ifeq ($(BR2_powerpc)$(BR2_ENDIAN),yBIG)
BR2_AC_CV_TRAP_CHECK=ac_cv_lbl_unaligned_fail=no
endif

ifeq ($(BR2_ENDIAN),"BIG")
BR2_AC_CV_C_BIGENDIAN=ac_cv_c_bigendian=yes
else
BR2_AC_CV_C_BIGENDIAN=ac_cv_c_bigendian=no
endif

# XXX: FIXME: We would need to grab MALLOC_GLIBC_COMPAT from the uClibc.config
# Including it doesn't seem wise, grepping is ugly.. Suggestions?
# Does malloc return live pointer for malloc(0) ?
ifeq ($(MALLOC_GLIBC_COMPAT),y)
BR2_AC_CV_FUNC_MALLOC_0_NONNULL=ac_cv_func_malloc_0_nonnull=yes \
				gl_cv_func_malloc_0_nonnull=yes \
				ac_cv_func_realloc_0_nonnull=yes
else
BR2_AC_CV_FUNC_MALLOC_0_NONNULL=ac_cv_func_malloc_0_nonnull=no \
				gl_cv_func_malloc_0_nonnull=no \
				ac_cv_func_realloc_0_nonnull=no
endif


TARGET_CONFIGURE_ARGS= \
	$(BR2_AC_CV_TRAP_CHECK) \
	ac_cv_func_mmap_fixed_mapped=yes \
	ac_cv_func_memcmp_working=yes \
	ac_cv_have_decl_malloc=yes \
	gl_cv_func_malloc_0_nonnull=yes \
	ac_cv_func_malloc_0_nonnull=yes \
	ac_cv_func_calloc_0_nonnull=yes \
	ac_cv_func_realloc_0_nonnull=yes \
	$(BR2_AC_CV_C_BIGENDIAN)

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

ifeq ($(BR2_ENABLE_LOCALE),y)
DISABLE_NLS:=
else
DISABLE_NLS:=--disable-nls
endif

ifneq ($(BR2_LARGEFILE),y)
DISABLE_LARGEFILE= --disable-largefile
endif

ifneq ($(BR2_HAVE_DOCUMENTATION),y)
DISABLE_DOCUMENTATION=--without-html-dir --disable-gtk-doc
endif

ifneq ($(BR2_INET_IPV6),y)
DISABLE_IPV6= --disable-ipv6
endif

ifneq ($(BR2_GCC_CROSS_CXX),y)
TARGET_CONFIGURE_OPTS+=CXX=false
endif

ifeq ($(BR2_ENABLE_DEBUG),y)
ENABLE_DEBUG:=--enable-debug
else
ENABLE_DEBUG:=
endif

# X Windowing system

X11_PREFIX:=$(strip $(subst ",, $(BR2_X11_PREFIX)))
#"))

include package/Makefile.autotools.in