package/Makefile.in - buildroot - Git at Google

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

 # If BR2_LEVEL is 0, scale the maximum concurrency with the number of
 # CPUs.  A coefficient of 2 is used in order to keep processors busy
 # while waiting on I/O.
 ifeq ($(BR2_JLEVEL),0)
 PARALLEL_JOBS:=$(shell echo \
 	$$((2 * `getconf _NPROCESSORS_ONLN 2>/dev/null || echo 1`)))
 else
 PARALLEL_JOBS:=$(BR2_JLEVEL)
 endif

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

 # Compute GNU_TARGET_NAME
 GNU_TARGET_NAME=$(ARCH)-buildroot-linux-$(LIBC)$(ABI)

 ifeq ($(BR2_TOOLCHAIN_BUILDROOT)$(BR2_TOOLCHAIN_CTNG_uClibc)$(BR2_TOOLCHAIN_EXTERNAL_UCLIBC),y)
 LIBC=uclibc
 else
 LIBC=gnu
 endif

 # The ABI suffix is a bit special on ARM, as it needs to be
 # -uclibcgnueabi for uClibc EABI, -uclibc for uClibc OABI, -gnueabi
 # for glibc EABI and -gnu for glibc OABI. This means that the LIBC and
 # ABI aren't strictly orthogonal, which explains why we need the test
 # on LIBC below.
 ifeq ($(BR2_ARM_EABI),y)
 ifeq ($(LIBC),uclibc)
 ABI=gnueabi
 else
 ABI=eabi
 endif
 endif

 # For FSL PowerPC there's SPE
 ifeq ($(BR2_powerpc_SPE),y)
 ABI=spe
 # MPC8540s are e500v1 with single precision FP
 ifeq ($(BR2_powerpc_8540),y)
 TARGET_ABI+=-mabi=spe -mfloat-gprs=single -Wa,-me500
 endif
 ifeq ($(BR2_powerpc_8548),y)
 TARGET_ABI+=-mabi=spe -mfloat-gprs=double -Wa,-me500x2
 endif
 ifeq ($(BR2_powerpc_e500mc),y)
 TARGET_ABI+=-mabi=spe -mfloat-gprs=double -Wa,-me500mc
 endif
 endif

 # Use longcalls option for Xtensa globally.
 # The 'longcalls' option allows calls across a greater range of addresses,
 # and is required for some packages. While this option can degrade both
 # code size and performance, the linker can usually optimize away the
 # overhead when a call ends up within a certain range.
 ifeq ($(BR2_xtensa),y)
 TARGET_ABI += -mlongcalls
 endif

 STAGING_DIR=$(HOST_DIR)/usr/$(GNU_TARGET_NAME)/sysroot

 TARGET_OPTIMIZATION:=$(call qstrip,$(BR2_TARGET_OPTIMIZATION))

 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_LARGEFILE),y)
 TARGET_CPPFLAGS += -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
 endif

 TARGET_CFLAGS = $(TARGET_CPPFLAGS) $(TARGET_ABI) $(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
 TARGET_CXXFLAGS = $(TARGET_CFLAGS)
 TARGET_LDFLAGS = $(call qstrip,$(BR2_TARGET_LDFLAGS))

 ifeq ($(BR2_TOOLCHAIN_BUILDROOT)$(BR2_TOOLCHAIN_CTNG),y)
 TARGET_CROSS=$(HOST_DIR)/usr/bin/$(GNU_TARGET_NAME)-
 else
 TARGET_CROSS=$(HOST_DIR)/usr/bin/$(call qstrip,$(BR2_TOOLCHAIN_EXTERNAL_PREFIX))-
 endif

 # Quotes are needed for spaces et al in path components.
 TARGET_PATH="$(HOST_DIR)/bin:$(HOST_DIR)/usr/bin:$(HOST_DIR)/usr/sbin/:$(PATH)"

 # Define TARGET_xx variables for all common binutils/gcc tools by
 # including the --sysroot option where necessary.
 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++
 TARGET_FC       = $(TARGET_CROSS)gfortran
 TARGET_LD       = $(TARGET_CROSS)ld
 TARGET_NM       = $(TARGET_CROSS)nm
 TARGET_RANLIB   = $(TARGET_CROSS)ranlib
 TARGET_READELF  = $(TARGET_CROSS)readelf
 TARGET_OBJCOPY  = $(TARGET_CROSS)objcopy
 TARGET_OBJDUMP  = $(TARGET_CROSS)objdump

 TARGET_CC_NOCCACHE  := $(TARGET_CC)
 TARGET_CXX_NOCCACHE := $(TARGET_CXX)

 ifeq ($(BR2_CCACHE),y)
 TARGET_CC  := $(CCACHE) $(TARGET_CC)
 TARGET_CXX := $(CCACHE) $(TARGET_CXX)
 endif

 ifeq ($(BR2_STRIP_strip),y)
 STRIP_STRIP_DEBUG:=--strip-debug
 STRIP_STRIP_UNNEEDED:=--strip-unneeded
 STRIP_STRIP_ALL:=--strip-all
 TARGET_STRIP=$(TARGET_CROSS)strip
 STRIPCMD=$(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note
 KSTRIPCMD=$(STRIPCMD) $(STRIP_STRIP_UNNEEDED)
 endif
 ifeq ($(BR2_STRIP_sstrip),y)
 STRIP_STRIP_DEBUG:=
 STRIP_STRIP_UNNEEDED:=
 STRIP_STRIP_ALL:=
 TARGET_STRIP=$(HOST_DIR)/usr/bin/$(GNU_TARGET_NAME)-sstrip
 STRIPCMD=$(TARGET_STRIP)
 KSTRIPCMD=$(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note --strip-unneeded
 endif
 ifeq ($(BR2_STRIP_none),y)
 TARGET_STRIP=true
 STRIPCMD=$(TARGET_STRIP)
 KSTRIPCMD=$(TARGET_STRIP)
 endif
 INSTALL:=$(shell which install || type -p install)
 FLEX:=$(shell which flex || type -p flex)
 BISON:=$(shell which bison || type -p bison)
 SED:=$(shell which sed || type -p sed) -i -e

 HOST_CPPFLAGS  = -I$(HOST_DIR)/usr/include
 HOST_CFLAGS   ?= -O2
 HOST_CFLAGS   += $(HOST_CPPFLAGS)
 HOST_CXXFLAGS += $(HOST_CFLAGS)
 HOST_LDFLAGS  += -L$(HOST_DIR)/lib -L$(HOST_DIR)/usr/lib -Wl,-rpath,$(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_NOCCACHE) --version | \
 	sed -n 's/^.* \([0-9]*\)\.\([0-9]*\)\.\([0-9]*\)[ ]*.*$$/\1\2\3/p')

 TARGET_CONFIGURE_OPTS=PATH=$(TARGET_PATH) \
 		AR="$(TARGET_AR)" \
 		AS="$(TARGET_AS)" \
 		LD="$(TARGET_LD)" \
 		NM="$(TARGET_NM)" \
 		CC="$(TARGET_CC)" \
 		GCC="$(TARGET_CC)" \
 		CPP="$(TARGET_CPP)" \
 		CXX="$(TARGET_CXX)" \
 		FC="$(TARGET_FC)" \
 		RANLIB="$(TARGET_RANLIB)" \
 		READELF="$(TARGET_READELF)" \
 		STRIP="$(TARGET_STRIP)" \
 		OBJCOPY="$(TARGET_OBJCOPY)" \
 		OBJDUMP="$(TARGET_OBJDUMP)" \
 		AR_FOR_BUILD="$(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)" \
 		CPPFLAGS_FOR_BUILD="$(HOST_CPPFLAGS)" \
 		CFLAGS_FOR_BUILD="$(HOST_CFLAGS)" \
 		CXXFLAGS_FOR_BUILD="$(HOST_CXXFLAGS)" \
 		LDFLAGS_FOR_BUILD="$(HOST_LDFLAGS)" \
 		FCFLAGS_FOR_BUILD="$(HOST_FCFLAGS)" \
 		DEFAULT_ASSEMBLER="$(TARGET_AS)" \
 		DEFAULT_LINKER="$(TARGET_LD)" \
 		CPPFLAGS="$(TARGET_CPPFLAGS)" \
 		CFLAGS="$(TARGET_CFLAGS)" \
 		CXXFLAGS="$(TARGET_CXXFLAGS)" \
 		LDFLAGS="$(TARGET_LDFLAGS)" \
 		FCFLAGS="$(TARGET_FCFLAGS)" \
 		PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
 		PERLLIB="$(HOST_DIR)/usr/lib/perl" \
 		STAGING_DIR="$(STAGING_DIR)"

 TARGET_MAKE_ENV=PATH=$(TARGET_PATH) \
 		PERLLIB="$(HOST_DIR)/usr/lib/perl"

 HOST_CONFIGURE_OPTS=PATH=$(HOST_PATH) \
 		AR="$(HOSTAR)" \
 		AS="$(HOSTAS)" \
 		LD="$(HOSTLD)" \
 		NM="$(HOSTNM)" \
 		CC="$(HOSTCC)" \
 		GCC="$(HOSTCC)" \
 		CXX="$(HOSTCXX)" \
 		CPP="$(HOSTCPP)" \
 		CPPFLAGS="$(HOST_CPPFLAGS)" \
 		CFLAGS="$(HOST_CFLAGS)" \
 		CXXFLAGS="$(HOST_CXXFLAGS)" \
 		LDFLAGS="$(HOST_LDFLAGS)" \
 		PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 \
 		PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 \
 		PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
 		PKG_CONFIG_SYSROOT_DIR="/" \
 		PKG_CONFIG_LIBDIR="$(HOST_DIR)/usr/lib/pkgconfig:$(HOST_DIR)/usr/share/pkgconfig" \
 		PERLLIB="$(HOST_DIR)/usr/lib/perl" \
 		LD_LIBRARY_PATH="$(HOST_DIR)/usr/lib:$(LD_LIBRARY_PATH)"

 HOST_MAKE_ENV=PATH=$(HOST_PATH) \
 		LD_LIBRARY_PATH="$(HOST_DIR)/usr/lib:$(LD_LIBRARY_PATH)" \
 		PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
 		PKG_CONFIG_SYSROOT_DIR="/" \
 		PKG_CONFIG_LIBDIR="$(HOST_DIR)/usr/lib/pkgconfig" \
 		PERLLIB="$(HOST_DIR)/usr/lib/perl"


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

 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 \
 	lt_cv_sys_lib_search_path_spec="" \
 	$(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=--disable-gtk-doc
 endif

 ifeq ($(BR2_INET_IPV6),y)
 DISABLE_IPV6= --enable-ipv6
 else
 DISABLE_IPV6= --disable-ipv6
 endif

 ifneq ($(BR2_INSTALL_LIBSTDCPP),y)
 TARGET_CONFIGURE_OPTS+=CXX=false
 endif

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

 ifeq ($(BR2_PREFER_STATIC_LIB),y)
 SHARED_STATIC_LIBS_OPTS=--enable-static --disable-shared
 TARGET_LDFLAGS += -static
 else
 SHARED_STATIC_LIBS_OPTS=--enable-static --enable-shared
 endif

 include package/pkg-utils.mk
 include package/pkg-download.mk
 include package/pkg-autotools.mk
 include package/pkg-cmake.mk
 include package/pkg-generic.mk
	ifndef MAKE
	MAKE:=make
	endif
	ifndef HOSTMAKE
	HOSTMAKE=$(MAKE)
	endif
	HOSTMAKE :=$(shell which $(HOSTMAKE) \|\| type -p $(HOSTMAKE) \|\| echo make)

	# If BR2_LEVEL is 0, scale the maximum concurrency with the number of
	# CPUs. A coefficient of 2 is used in order to keep processors busy
	# while waiting on I/O.
	ifeq ($(BR2_JLEVEL),0)
	PARALLEL_JOBS:=$(shell echo \
	$$((2 * `getconf _NPROCESSORS_ONLN 2>/dev/null \|\| echo 1`)))
	else
	PARALLEL_JOBS:=$(BR2_JLEVEL)
	endif

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

	# Compute GNU_TARGET_NAME
	GNU_TARGET_NAME=$(ARCH)-buildroot-linux-$(LIBC)$(ABI)

	ifeq ($(BR2_TOOLCHAIN_BUILDROOT)$(BR2_TOOLCHAIN_CTNG_uClibc)$(BR2_TOOLCHAIN_EXTERNAL_UCLIBC),y)
	LIBC=uclibc
	else
	LIBC=gnu
	endif

	# The ABI suffix is a bit special on ARM, as it needs to be
	# -uclibcgnueabi for uClibc EABI, -uclibc for uClibc OABI, -gnueabi
	# for glibc EABI and -gnu for glibc OABI. This means that the LIBC and
	# ABI aren't strictly orthogonal, which explains why we need the test
	# on LIBC below.
	ifeq ($(BR2_ARM_EABI),y)
	ifeq ($(LIBC),uclibc)
	ABI=gnueabi
	else
	ABI=eabi
	endif
	endif

	# For FSL PowerPC there's SPE
	ifeq ($(BR2_powerpc_SPE),y)
	ABI=spe
	# MPC8540s are e500v1 with single precision FP
	ifeq ($(BR2_powerpc_8540),y)
	TARGET_ABI+=-mabi=spe -mfloat-gprs=single -Wa,-me500
	endif
	ifeq ($(BR2_powerpc_8548),y)
	TARGET_ABI+=-mabi=spe -mfloat-gprs=double -Wa,-me500x2
	endif
	ifeq ($(BR2_powerpc_e500mc),y)
	TARGET_ABI+=-mabi=spe -mfloat-gprs=double -Wa,-me500mc
	endif
	endif

	# Use longcalls option for Xtensa globally.
	# The 'longcalls' option allows calls across a greater range of addresses,
	# and is required for some packages. While this option can degrade both
	# code size and performance, the linker can usually optimize away the
	# overhead when a call ends up within a certain range.
	ifeq ($(BR2_xtensa),y)
	TARGET_ABI += -mlongcalls
	endif

	STAGING_DIR=$(HOST_DIR)/usr/$(GNU_TARGET_NAME)/sysroot

	TARGET_OPTIMIZATION:=$(call qstrip,$(BR2_TARGET_OPTIMIZATION))

	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_LARGEFILE),y)
	TARGET_CPPFLAGS += -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
	endif

	TARGET_CFLAGS = $(TARGET_CPPFLAGS) $(TARGET_ABI) $(TARGET_OPTIMIZATION) $(TARGET_DEBUGGING)
	TARGET_CXXFLAGS = $(TARGET_CFLAGS)
	TARGET_LDFLAGS = $(call qstrip,$(BR2_TARGET_LDFLAGS))

	ifeq ($(BR2_TOOLCHAIN_BUILDROOT)$(BR2_TOOLCHAIN_CTNG),y)
	TARGET_CROSS=$(HOST_DIR)/usr/bin/$(GNU_TARGET_NAME)-
	else
	TARGET_CROSS=$(HOST_DIR)/usr/bin/$(call qstrip,$(BR2_TOOLCHAIN_EXTERNAL_PREFIX))-
	endif

	# Quotes are needed for spaces et al in path components.
	TARGET_PATH="$(HOST_DIR)/bin:$(HOST_DIR)/usr/bin:$(HOST_DIR)/usr/sbin/:$(PATH)"

	# Define TARGET_xx variables for all common binutils/gcc tools by
	# including the --sysroot option where necessary.
	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++
	TARGET_FC = $(TARGET_CROSS)gfortran
	TARGET_LD = $(TARGET_CROSS)ld
	TARGET_NM = $(TARGET_CROSS)nm
	TARGET_RANLIB = $(TARGET_CROSS)ranlib
	TARGET_READELF = $(TARGET_CROSS)readelf
	TARGET_OBJCOPY = $(TARGET_CROSS)objcopy
	TARGET_OBJDUMP = $(TARGET_CROSS)objdump

	TARGET_CC_NOCCACHE := $(TARGET_CC)
	TARGET_CXX_NOCCACHE := $(TARGET_CXX)

	ifeq ($(BR2_CCACHE),y)
	TARGET_CC := $(CCACHE) $(TARGET_CC)
	TARGET_CXX := $(CCACHE) $(TARGET_CXX)
	endif

	ifeq ($(BR2_STRIP_strip),y)
	STRIP_STRIP_DEBUG:=--strip-debug
	STRIP_STRIP_UNNEEDED:=--strip-unneeded
	STRIP_STRIP_ALL:=--strip-all
	TARGET_STRIP=$(TARGET_CROSS)strip
	STRIPCMD=$(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note
	KSTRIPCMD=$(STRIPCMD) $(STRIP_STRIP_UNNEEDED)
	endif
	ifeq ($(BR2_STRIP_sstrip),y)
	STRIP_STRIP_DEBUG:=
	STRIP_STRIP_UNNEEDED:=
	STRIP_STRIP_ALL:=
	TARGET_STRIP=$(HOST_DIR)/usr/bin/$(GNU_TARGET_NAME)-sstrip
	STRIPCMD=$(TARGET_STRIP)
	KSTRIPCMD=$(TARGET_CROSS)strip --remove-section=.comment --remove-section=.note --strip-unneeded
	endif
	ifeq ($(BR2_STRIP_none),y)
	TARGET_STRIP=true
	STRIPCMD=$(TARGET_STRIP)
	KSTRIPCMD=$(TARGET_STRIP)
	endif
	INSTALL:=$(shell which install \|\| type -p install)
	FLEX:=$(shell which flex \|\| type -p flex)
	BISON:=$(shell which bison \|\| type -p bison)
	SED:=$(shell which sed \|\| type -p sed) -i -e

	HOST_CPPFLAGS = -I$(HOST_DIR)/usr/include
	HOST_CFLAGS ?= -O2
	HOST_CFLAGS += $(HOST_CPPFLAGS)
	HOST_CXXFLAGS += $(HOST_CFLAGS)
	HOST_LDFLAGS += -L$(HOST_DIR)/lib -L$(HOST_DIR)/usr/lib -Wl,-rpath,$(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_NOCCACHE) --version \| \
	sed -n 's/^.* \([0-9]\)\.\([0-9]\)\.\([0-9]\)[ ].*$$/\1\2\3/p')

	TARGET_CONFIGURE_OPTS=PATH=$(TARGET_PATH) \
	AR="$(TARGET_AR)" \
	AS="$(TARGET_AS)" \
	LD="$(TARGET_LD)" \
	NM="$(TARGET_NM)" \
	CC="$(TARGET_CC)" \
	GCC="$(TARGET_CC)" \
	CPP="$(TARGET_CPP)" \
	CXX="$(TARGET_CXX)" \
	FC="$(TARGET_FC)" \
	RANLIB="$(TARGET_RANLIB)" \
	READELF="$(TARGET_READELF)" \
	STRIP="$(TARGET_STRIP)" \
	OBJCOPY="$(TARGET_OBJCOPY)" \
	OBJDUMP="$(TARGET_OBJDUMP)" \
	AR_FOR_BUILD="$(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)" \
	CPPFLAGS_FOR_BUILD="$(HOST_CPPFLAGS)" \
	CFLAGS_FOR_BUILD="$(HOST_CFLAGS)" \
	CXXFLAGS_FOR_BUILD="$(HOST_CXXFLAGS)" \
	LDFLAGS_FOR_BUILD="$(HOST_LDFLAGS)" \
	FCFLAGS_FOR_BUILD="$(HOST_FCFLAGS)" \
	DEFAULT_ASSEMBLER="$(TARGET_AS)" \
	DEFAULT_LINKER="$(TARGET_LD)" \
	CPPFLAGS="$(TARGET_CPPFLAGS)" \
	CFLAGS="$(TARGET_CFLAGS)" \
	CXXFLAGS="$(TARGET_CXXFLAGS)" \
	LDFLAGS="$(TARGET_LDFLAGS)" \
	FCFLAGS="$(TARGET_FCFLAGS)" \
	PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
	PERLLIB="$(HOST_DIR)/usr/lib/perl" \
	STAGING_DIR="$(STAGING_DIR)"

	TARGET_MAKE_ENV=PATH=$(TARGET_PATH) \
	PERLLIB="$(HOST_DIR)/usr/lib/perl"

	HOST_CONFIGURE_OPTS=PATH=$(HOST_PATH) \
	AR="$(HOSTAR)" \
	AS="$(HOSTAS)" \
	LD="$(HOSTLD)" \
	NM="$(HOSTNM)" \
	CC="$(HOSTCC)" \
	GCC="$(HOSTCC)" \
	CXX="$(HOSTCXX)" \
	CPP="$(HOSTCPP)" \
	CPPFLAGS="$(HOST_CPPFLAGS)" \
	CFLAGS="$(HOST_CFLAGS)" \
	CXXFLAGS="$(HOST_CXXFLAGS)" \
	LDFLAGS="$(HOST_LDFLAGS)" \
	PKG_CONFIG_ALLOW_SYSTEM_CFLAGS=1 \
	PKG_CONFIG_ALLOW_SYSTEM_LIBS=1 \
	PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
	PKG_CONFIG_SYSROOT_DIR="/" \
	PKG_CONFIG_LIBDIR="$(HOST_DIR)/usr/lib/pkgconfig:$(HOST_DIR)/usr/share/pkgconfig" \
	PERLLIB="$(HOST_DIR)/usr/lib/perl" \
	LD_LIBRARY_PATH="$(HOST_DIR)/usr/lib:$(LD_LIBRARY_PATH)"

	HOST_MAKE_ENV=PATH=$(HOST_PATH) \
	LD_LIBRARY_PATH="$(HOST_DIR)/usr/lib:$(LD_LIBRARY_PATH)" \
	PKG_CONFIG="$(PKG_CONFIG_HOST_BINARY)" \
	PKG_CONFIG_SYSROOT_DIR="/" \
	PKG_CONFIG_LIBDIR="$(HOST_DIR)/usr/lib/pkgconfig" \
	PERLLIB="$(HOST_DIR)/usr/lib/perl"


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

	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 \
	lt_cv_sys_lib_search_path_spec="" \
	$(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=--disable-gtk-doc
	endif

	ifeq ($(BR2_INET_IPV6),y)
	DISABLE_IPV6= --enable-ipv6
	else
	DISABLE_IPV6= --disable-ipv6
	endif

	ifneq ($(BR2_INSTALL_LIBSTDCPP),y)
	TARGET_CONFIGURE_OPTS+=CXX=false
	endif

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

	ifeq ($(BR2_PREFER_STATIC_LIB),y)
	SHARED_STATIC_LIBS_OPTS=--enable-static --disable-shared
	TARGET_LDFLAGS += -static
	else
	SHARED_STATIC_LIBS_OPTS=--enable-static --enable-shared
	endif

	include package/pkg-utils.mk
	include package/pkg-download.mk
	include package/pkg-autotools.mk
	include package/pkg-cmake.mk
	include package/pkg-generic.mk