MAKE_ENV=PATH=$(TARGET_PATH) $(FREETZ_LD_RUN_PATH)

BUILD_FAIL_MSG:= Build failed.
ifneq ($(strip $(FREETZ_VERBOSITY_LEVEL)),2)
BUILD_FAIL_MSG += Please re-run make with verbose level set to 2 to see what's going on.
endif

SUBMAKE1=cmd() { $(MAKE_ENV) $(MAKE1) $(QUIET) "$$@" $(SILENT) || { $(call ERROR,1,$(BUILD_FAIL_MSG)) } }; $(call _ECHO,building) cmd
SUBMAKE=cmd() { $(MAKE_ENV) $(MAKE) $(QUIET) "$$@" $(SILENT) || { $(call ERROR,1,$(BUILD_FAIL_MSG)) } }; $(call _ECHO,building) cmd
CONFIGURE=conf_cmd() { ./configure $(QUIET) "$$$$@" $(SILENT) || { $(call ERROR,1,$(BUILD_FAIL_MSG)) } };
AUTORECONF=autoreconf -f -i $(SILENT) || { $(call ERROR,1,autoreconf failed) };

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

TARGET_CROSS:=$(call qstrip,$(FREETZ_TARGET_CROSS))
KERNEL_CROSS:=$(call qstrip,$(FREETZ_KERNEL_CROSS))


# s. uclibc-${version}/ldso/ldso/dl-elf.c::_dl_load_shared_library
STANDARD_LIBRARY_DIRS:=/lib /usr/lib

FREETZ_RPATH_SPACE_SEPARATED:=$(patsubst %/,%,$(subst :,$(_space),$(call qstrip,$(FREETZ_RPATH))))
FREETZ_RPATH:=$(subst $(_space),:,$(FREETZ_RPATH_SPACE_SEPARATED))

ifneq (,$(if $(MAKECMDGOALS),$(filter-out $(KCONFIG_TARGETS),$(MAKECMDGOALS)),do-validate-FREETZ_RPATH))
# check if FREETZ_RPATH contains a valid value
ifneq (1,$(words $(FREETZ_RPATH)))
$(error FREETZ_RPATH (="$(FREETZ_RPATH)") must not be empty and must not contain spaces)
endif
$(foreach entry,$(FREETZ_RPATH_SPACE_SEPARATED), \
$(if $(filter /%,$(entry)),,$(error FREETZ_RPATH (="$(FREETZ_RPATH)" contains invalid entry "$(entry)", each entry must be an absolute path))) \
)
ifneq (,$(filter     $(STANDARD_LIBRARY_DIRS),$(FREETZ_RPATH_SPACE_SEPARATED)))
ifneq (,$(filter-out $(STANDARD_LIBRARY_DIRS),$(FREETZ_RPATH_SPACE_SEPARATED)))
$(error FREETZ_RPATH (="$(FREETZ_RPATH)") contains both standard and non-standard search paths. This is NOT supported)
endif
endif
ifeq (,$(filter-out $(STANDARD_LIBRARY_DIRS),$(FREETZ_RPATH_SPACE_SEPARATED)))
$(info )
$(warning FREETZ_RPATH (="$(FREETZ_RPATH)") contains only standard search paths. The only use-case for such a configuration (and this is the only reason we support it) is to create binaries using the Freetz toolchain and run them on a non-freetz'ed box.)
$(info )
endif
endif

FREETZ_LIBRARY_DIR:=$(firstword $(FREETZ_RPATH_SPACE_SEPARATED))
FREETZ_LD_RUN_PATH:=$(if $(filter-out $(STANDARD_LIBRARY_DIRS),$(FREETZ_RPATH_SPACE_SEPARATED)),LD_RUN_PATH="$(FREETZ_RPATH)")
MAKE_ENV+=FREETZ_LIBRARY_DIR="$(FREETZ_LIBRARY_DIR)"


TARGET_CFLAGS_HW_CAPABILITIES :=
ifeq ($(strip $(FREETZ_TARGET_ARCH_ARM)),y)
ifeq ($(strip $(FREETZ_SYSTEM_TYPE_BCM63138)),y)
TARGET_CFLAGS_HW_CAPABILITIES += $(if $(call qstrip,$(FREETZ_GCC_ARCH)),-march=$(call qstrip,$(FREETZ_GCC_ARCH)))
TARGET_CFLAGS_HW_CAPABILITIES += $(if $(call qstrip,$(FREETZ_GCC_CPU)),-mtune=$(call qstrip,$(FREETZ_GCC_CPU)))
else
TARGET_CFLAGS_HW_CAPABILITIES += $(if $(call qstrip,$(FREETZ_GCC_CPU)),-mcpu=$(call qstrip,$(FREETZ_GCC_CPU)))
endif
else
TARGET_CFLAGS_HW_CAPABILITIES += $(if $(call qstrip,$(FREETZ_GCC_CPU)),-march=$(call qstrip,$(FREETZ_GCC_CPU)))
TARGET_CFLAGS_HW_CAPABILITIES += $(if $(call qstrip,$(FREETZ_GCC_CPU)),-mtune=$(call qstrip,$(FREETZ_GCC_CPU)))
endif
ifneq ($(strip $(FREETZ_SYSTEM_TYPE_BCM63138)),y)
TARGET_CFLAGS_HW_CAPABILITIES += $(if $(call qstrip,$(FREETZ_GCC_FPU)),-mfpu=$(call qstrip,$(FREETZ_GCC_FPU)))
endif
ifeq ($(strip $(FREETZ_TARGET_ARCH_ARM)),y)
# ARM is the only ARCH using -mfloat-abi=%
TARGET_CFLAGS_HW_CAPABILITIES += $(if $(call qstrip,$(FREETZ_GCC_FLOAT_ABI)),-mfloat-abi=$(call qstrip,$(FREETZ_GCC_FLOAT_ABI)))
else
# all other ARCHs use -m%-float
TARGET_CFLAGS_HW_CAPABILITIES += $(if $(call qstrip,$(FREETZ_GCC_FLOAT_ABI)),-m$(call qstrip,$(FREETZ_GCC_FLOAT_ABI))-float)
endif
TARGET_CFLAGS_HW_CAPABILITIES += $(if $(call qstrip,$(FREETZ_GCC_MODE)),-m$(call qstrip,$(FREETZ_GCC_MODE)))

# additional Freetz controlled and $(FREETZ_TARGET_ARCH) dependent flags
TARGET_CFLAGS_arm:=
TARGET_CFLAGS_i686:=
TARGET_CFLAGS_mips:=-Wa,--trap

# LFS flags
TARGET_CFLAGS_LFS:=-D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64

# GCC flags
TARGET_CFLAGS_GCC :=
ifeq ($(strip $(FREETZ_TARGET_GCC_4_MAX)),y)
TARGET_CFLAGS_GCC += --std=gnu99
endif

# Loader
ifeq ($(strip $(FREETZ_SEPARATE_AVM_UCLIBC)),y)
#TARGET_CFLAGS_LD:=-Xlinker -I$(FREETZ_LIBRARY_DIR)/ld-uClibc.so.1
TARGET_CFLAGS_LD:=-Wl,-I$(FREETZ_LIBRARY_DIR)/ld-uClibc.so.1
endif


ifneq ($(filter -march=% -mcpu=% -mtune=% -mfpu=% -mfloat-abi=% -m%-float -Wa$(_comma)--trap,$(call qstrip,$(FREETZ_TARGET_CFLAGS))),)
$(error Please remove any ARCH/CPU/FPU/FLOAT-ABI/MODE related flags (-march/-mcpu/-mtune/-mfpu/-mfloat-abi/-m*-float/-Wa$(_comma)--trap) \
	from target compiler flags (FREETZ_TARGET_CFLAGS variable in your .config). \
	These flags are automatically set by Freetz build environment now)
endif
TARGET_CFLAGS:=$(strip $(TARGET_CFLAGS_HW_CAPABILITIES) $(call qstrip,$(FREETZ_TARGET_CFLAGS)) $(TARGET_CFLAGS_$(call qstrip,$(FREETZ_TARGET_ARCH))) $(TARGET_CFLAGS_LFS) $(TARGET_CFLAGS_GCC) $(TARGET_CFLAGS_LD))


FPIC:=-fPIC

TARGET_SPECIFIC_SUBDIR:=target-$(TARGET_TOOLCHAIN_COMPILER)
SOURCE_DIR:=$(SOURCE_DIR_ROOT)/$(TARGET_SPECIFIC_SUBDIR)
PACKAGES_DIR:=$(PACKAGES_DIR_ROOT)/$(TARGET_SPECIFIC_SUBDIR)
TARGET_SPECIFIC_ROOT_DIR:=$(PACKAGES_DIR)/root

$(SOURCE_DIR) \
$(PACKAGES_DIR):
	@mkdir -p $@

# If CONFIG_SITE is exported, it can cause errors in the host builds
unexport CONFIG_SITE
TARGET_SITE:=$(FREETZ_BASE_DIR)/$(INCLUDE_DIR)/config.site/$(call qstrip,$(FREETZ_TARGET_UCLIBC_TRIPLET))

TARGET_AR:=$(TARGET_MAKE_PATH)/$(TARGET_CROSS)ar
TARGET_AS:=$(TARGET_MAKE_PATH)/$(TARGET_CROSS)as
TARGET_CC:=$(TARGET_MAKE_PATH)/$(TARGET_CROSS)gcc
TARGET_CXX:=$(TARGET_MAKE_PATH)/$(TARGET_CROSS)g++-wrapper
TARGET_LD:=$(TARGET_MAKE_PATH)/$(TARGET_CROSS)ld
TARGET_LDCONFIG:=$(TARGET_MAKE_PATH)/$(TARGET_CROSS)ldconfig
TARGET_NM:=$(TARGET_MAKE_PATH)/$(TARGET_CROSS)nm
TARGET_RANLIB:=$(TARGET_MAKE_PATH)/$(TARGET_CROSS)ranlib
TARGET_OBJCOPY:=$(TARGET_MAKE_PATH)/$(TARGET_CROSS)objcopy
TARGET_READELF:=$(TARGET_MAKE_PATH)/$(TARGET_CROSS)readelf
TARGET_STRIP:=$(TARGET_MAKE_PATH)/$(TARGET_CROSS)strip --remove-section={.comment,.note,.pdr}

ifeq ($(strip $(FREETZ_TOOLCHAIN_CCACHE)),y)
TARGET_PATH="$(TARGET_MAKE_PATH):$(KERNEL_MAKE_PATH):$(TARGET_CCACHE_PATH):$(KERNEL_CCACHE_PATH):$(PATH)"
else
TARGET_PATH="$(TARGET_CCACHE_PATH):$(KERNEL_CCACHE_PATH):$(TARGET_MAKE_PATH):$(KERNEL_MAKE_PATH):$(PATH)"
endif


# commands to run before calling configure
# each command has to be terminated by ';'
TARGET_CONFIGURE_PRE_CMDS:=
TARGET_CONFIGURE_PRE_CMDS += $(RM) config.{cache,status};

# setup environment for configure
TARGET_CONFIGURE_ENV:=
TARGET_CONFIGURE_ENV += PATH=$(TARGET_PATH)
TARGET_CONFIGURE_ENV += FREETZ_LIBRARY_DIR="$(FREETZ_LIBRARY_DIR)"
TARGET_CONFIGURE_ENV += FREETZ_KERNEL_VERSION_MAJOR="$(call qstrip,$(FREETZ_KERNEL_VERSION_MAJOR))"
TARGET_CONFIGURE_ENV += FREETZ_TARGET_ARCH="$(call qstrip,$(FREETZ_TARGET_ARCH))"
TARGET_CONFIGURE_ENV += FREETZ_TARGET_ARCH_ENDIANNESS_DEPENDENT="$(call qstrip,$(FREETZ_TARGET_ARCH_ENDIANNESS_DEPENDENT))"

# Set compiler/linker flags here, not in TARGET_CONFIGURE_OPTIONS,
# because this way they do not disturb old configure scripts
TARGET_CONFIGURE_ENV += CC="$(TARGET_CC)"
TARGET_CONFIGURE_ENV += CXX="$(TARGET_CXX)"
TARGET_CONFIGURE_ENV += CFLAGS="$(TARGET_CFLAGS)"
TARGET_CONFIGURE_ENV += CXXFLAGS="$(TARGET_CFLAGS)"
TARGET_CONFIGURE_ENV += LDFLAGS=""
TARGET_CONFIGURE_ENV += PKG_CONFIG_PATH="$(TARGET_MAKE_PATH)/../lib/pkgconfig"
TARGET_CONFIGURE_ENV += PKG_CONFIG_LIBDIR="$(TARGET_MAKE_PATH)/../lib/pkgconfig"

# Common options for configure
TARGET_CONFIGURE_OPTIONS:=
TARGET_CONFIGURE_OPTIONS += --cache-file=/dev/null
TARGET_CONFIGURE_OPTIONS += --target=$(GNU_TARGET_NAME)
TARGET_CONFIGURE_OPTIONS += --host=$(GNU_TARGET_NAME)
TARGET_CONFIGURE_OPTIONS += --build=$(GNU_HOST_NAME)
TARGET_CONFIGURE_OPTIONS += --program-prefix=""
TARGET_CONFIGURE_OPTIONS += --program-suffix=""
TARGET_CONFIGURE_OPTIONS += --prefix=/usr
TARGET_CONFIGURE_OPTIONS += --exec-prefix=/usr
TARGET_CONFIGURE_OPTIONS += --bindir=/usr/bin
TARGET_CONFIGURE_OPTIONS += --datadir=/usr/share
TARGET_CONFIGURE_OPTIONS += --includedir=/usr/include
TARGET_CONFIGURE_OPTIONS += --infodir=/usr/share/info
TARGET_CONFIGURE_OPTIONS += --libdir=/usr/lib
TARGET_CONFIGURE_OPTIONS += --libexecdir=/usr/lib
TARGET_CONFIGURE_OPTIONS += --localstatedir=/var
TARGET_CONFIGURE_OPTIONS += --mandir=/usr/share/man
TARGET_CONFIGURE_OPTIONS += --sbindir=/usr/sbin
TARGET_CONFIGURE_OPTIONS += --sysconfdir=/etc
TARGET_CONFIGURE_OPTIONS += --with-gnu-ld
TARGET_CONFIGURE_OPTIONS += $(DISABLE_NLS)

### Convenience macros
# Since the makefiles for the packages contain many similar parts, we define some macros to simplify
# the creation and maintenance of the makefiles.
# macro names containing _INT are for internal use only and should not be called outside of this file
# For details of the required targets, see the documentation in README.Makefiles

define SELECTED_SUBOPTIONS__INT
$(strip \
	$(foreach suboption, $(1), \
		$(if \
			$(or \
				$(FREETZ_$(3)_$(if $(2),$(2)_,)$(call LEGAL_VARNAME,$(suboption))), \
				$(FREETZ_$(3)_$(if $(2),$(2)_,)$(call TOUPPER_NAME,$(suboption))) \
			), \
			$(suboption) \
		) \
	) \
)
endef
# For each SUFFIX from a given list of menuconfig-option-suffixes evaluates FREETZ_PACKAGE_$(PKG)_$(OPTIONAL_INFIX)_$(SUFFIX) variable
# and in case it evaluates to non-empty value (i.e. selected) appends the suffix to the list being returned.
# $(1) - list of package suboptions (suffixes) to be evaluated
# $(2) - optional infix
PKG_SELECTED_SUBOPTIONS = $(call SELECTED_SUBOPTIONS__INT,$(1),$(2),PACKAGE_$(PKG))
# For each SUFFIX from a given list of menuconfig-option-suffixes evaluates FREETZ_LIB_lib$(pkg)_$(OPTIONAL_INFIX)_$(SUFFIX) variable
# and in case it evaluates to non-empty value (i.e. selected) appends the suffix to the list being returned.
# $(1) - list of package suboptions (suffixes) to be evaluated
# $(2) - optional infix
LIB_SELECTED_SUBOPTIONS = $(call SELECTED_SUBOPTIONS__INT,$(1),$(2),LIB_lib$(patsubst lib%,%,$(pkg)))

# SED helper macros
# single quote sign within sed script quoted with single quote sign
_SQ:='"'"'
# double quote sign within sed script quoted with double quote sign
_DQ:="'"'"

# PKG_EDIT_CONFIG
# update a config file
#   $(1) = list of assignments CONFIG_VAR=value
PKG_EDIT_CONFIG__INT0 = -e 's%^(\# )?($1)[ =].*%$(if $(patsubst n,,$2),\2=$2,\# \2 is not set)%g'
PKG_EDIT_CONFIG__INT1 = $(call PKG_EDIT_CONFIG__INT0,$(word 1,$(subst =, ,$1)),$(word 2,$(subst =, ,$1)))
PKG_EDIT_CONFIG = $(SED) -i -r $(foreach asg,$1,$(call PKG_EDIT_CONFIG__INT1,$(asg)))

# PKG_FIX_LIBTOOL_LA
#   fix directories is libtool .la files and .pc files
PKG_FIX_LIBTOOL_LA__INT = -e "s,^($1=)(['$(_DQ)]?)([^'$(_DQ)]*)(\2)$$,\1\2$(TARGET_TOOLCHAIN_STAGING_DIR)\3\4,g"
PKG_FIX_LIBTOOL_LA__INT_DEPENDENCY_LIBS = -e "/^dependency_libs/s,[ \t],  ,g;s,([ '])((/usr)?/lib/[^ /]+[.]la)([ ']),\1$(TARGET_TOOLCHAIN_STAGING_DIR)\2\4,g;s, +, ,g"
PKG_FIX_LIBTOOL_LA = $(SED) -i -r \
	$(foreach key,$(if $(strip $1),$(strip $1),libdir includedir prefix exec_prefix),$(call PKG_FIX_LIBTOOL_LA__INT,$(key))) \
	$(if $(strip $1),,$(PKG_FIX_LIBTOOL_LA__INT_DEPENDENCY_LIBS))

# Fix configure and/or libtool scripts to prevent RPATH from being hardcoded.
# Based on ideas provided on http://wiki.debian.org/RpathIssue.
#
# Whether RPATH has been hardcoded or not could be tested using the following command:
#   readelf -d <binary/library> | grep RPATH
#
# The macro is intended to be used in $(PKG)_CONFIGURE_PRE_CMDS variable in the following way:
# $(PKG)_CONFIGURE_PRE_CMDS += $(call PKG_PREVENT_RPATH_HARDCODING,./configure)
#
# Replace runpath_var=$runpath_var with runpath_var=
PKG_FIX_RUNPATH_VAR__INT = -e "s|(runpath_var=)[$$$$]runpath_var|\1|g"
#
# Replace hardcode_into_libs=something with hardcode_into_libs=no
PKG_FIX_HARDCODE_INTO_LIBS__INT = -e "s|(hardcode_into_libs=).+$$$$|\1no|g"
#
# In all lines matching the pattern hardcode_libdir_flag_spec[_A-Za-z0-9]*=
# replace
#   ${wl}-rpath,$libdir
#   ${wl}--rpath,$libdir
#   ${wl}-rpath ${wl}$libdir
#   ${wl}--rpath ${wl}$libdir
# with
#   -D__SOMETHING_NON_EMPTY_TO_FOOL_LIBTOOL__
PKG_FIX_HARDCODE_LIBDIR_FLAG_SPEC__INT1 = -e '/hardcode_libdir_flag_spec[_A-Za-z0-9]*=/s/[$$$$][{]wl[}]-?-rpath(,| [$$$$][{]wl[}])[$$$$]libdir/-D__SOMETHING_NON_EMPTY_TO_FOOL_LIBTOOL__/g'
# Replace
#   hardcode_libdir_flag_spec(_ld)?=$lt_hardcode_libdir_flag_spec...
#   or
#   hardcode_libdir_flag_spec(_ld)?=$lt_[]_LT_AC_TAGVAR(hardcode_libdir_flag_spec..., $1)
# with
#   hardcode_libdir_flag_spec(_ld)?=
PKG_FIX_HARDCODE_LIBDIR_FLAG_SPEC__INT2 = -e 's/(hardcode_libdir_flag_spec(_ld)?=)[$$$$]lt_([[][]]_LT_AC_TAGVAR[(])?hardcode_libdir_flag_spec[_A-Za-z0-9]*(, *[$$$$]1[)])?/\1/g'
#
PKG_PREVENT_RPATH_HARDCODING__INT = \
	cp -a $1 $1.before_rpath_fix; \
	$(SED) -i -r \
		$(PKG_FIX_RUNPATH_VAR__INT) \
		$(PKG_FIX_HARDCODE_INTO_LIBS__INT) \
		$(PKG_FIX_HARDCODE_LIBDIR_FLAG_SPEC__INT1) \
		$(PKG_FIX_HARDCODE_LIBDIR_FLAG_SPEC__INT2) \
	$1;
PKG_PREVENT_RPATH_HARDCODING = $(foreach f,$1,$(call PKG_PREVENT_RPATH_HARDCODING__INT,$(f)))
# 1st level PKG_PREVENT_RPATH_HARDCODING
PKG_PREVENT_RPATH_HARDCODING1 = $(subst $$$$,$$,$(call PKG_PREVENT_RPATH_HARDCODING,$1))

# Changes a typical Makefile.in line from "FOO = @FOO@" to "FOO = @FOO@ $(EXTRA_FOO)", i.e. adds $(EXTRA_FOO) at the end
# $1 - variable name or variable names separated by |, i.e. regex OR pattern
# $2 - optional $($(PKG)_DIR) subdir
PKG_ADD_EXTRA_FLAGS = find $(abspath $($(PKG)_DIR))$(if $(strip $2),/$(strip $2)) -name Makefile.in -type f -exec $(SED) -i -r -e 's,^($(strip $1))[ \t]*=[ \t]*@\1@,& $$$$(EXTRA_\1),' \{\} \+;

# Usage:
# $(call REPLACE_LIBTOOL,$1,$2,$3)
# $1 - Relative path to libtool-script, usually ./ (NB: libtool is often generated by configure, i.e. doesn't exist in the tarball)
# $2 - Relative path to ltmain.sh, varies from package to package. The following locations are the most often used ones:
#      ./, ./build/, ./builds/unix/, ./auto/, ./autoconf/, ./conftools/
# $3 - Relative path to libtool.m4, varies from package to package. The following locations are the most often used ones:
#      ./, ./m4/, ./build/, ./conftools/
# Each parameter defaults to ./ if omitted
# NB: all libtool-related macros are heavily based on the openwrt macros provided in autotools.mk
define REPLACE_FILE_WITH_SYMLINK
if [ -f "$(abspath $($(PKG)_DIR)/$(3)/$(1))" -a -e "$(2)/$(if $(4),$(4),$(1))" ]; then \
	$(call MESSAGE, Replacing $(3)/$(if $(4),$(4),$(1)) with symlink to $(2)/$(if $(4),$(4),$(1))); \
	$(RM) "$(abspath $($(PKG)_DIR)/$(3)/$(1))"; \
	ln -s "$(2)/$(if $(4),$(4),$(1))" "$(abspath $($(PKG)_DIR)/$(3)/$(1))"; \
fi;
endef
define REPLACE_LIBTOOL__INT
$(call REPLACE_FILE_WITH_SYMLINK,libtool,$(TARGET_TOOLCHAIN_STAGING_DIR)/usr/bin,$(if $(1),$(1),.)) \
$(call REPLACE_FILE_WITH_SYMLINK,ltmain.sh,$(TARGET_TOOLCHAIN_STAGING_DIR)/usr/share/libtool,$(if $(2),$(2),.)) \
$(call REPLACE_FILE_WITH_SYMLINK,libtool.m4,$(TARGET_TOOLCHAIN_STAGING_DIR)/usr/share/aclocal,$(if $(3),$(3),.))
endef
define REPLACE_LIBTOOL__INT2
$(PKG)_CONFIGURE_PRE_CMDS += $(call REPLACE_LIBTOOL__INT,$(1),$(2),$(3))
$(PKG)_CONFIGURE_POST_CMDS += $(call REPLACE_LIBTOOL__INT,$(1),$(2),$(3))
endef
define REPLACE_LIBTOOL
$(eval $(call REPLACE_LIBTOOL__INT2,$(1),$(2),$(3)))
endef

define INSTALL_BINARY_STRIP
$(INSTALL_FILE) \
[ "$(FREETZ_SEPARATE_AVM_UCLIBC)" == "y" ] && $(TOOLS_DIR)/patchelf --set-interpreter $(FREETZ_LIBRARY_DIR)/ld-uClibc.so.1 $@ || true; \
$(TARGET_STRIP) $@;
endef
define INSTALL_LIBRARY__INT
chmod 755 $<; \
mkdir -p $(dir $@); \
$(RM) $(addprefix $(dir $@),$(call LIBRARY_NAME_TO_SHELL_PATTERN,$(notdir $@),$(if $(1),-$(1)),$(2))); \
cp -a $(addprefix $(dir $<),$(call LIBRARY_NAME_TO_SHELL_PATTERN,$(notdir $<),$(1),$(2))) $(dir $@);
endef
INSTALL_LIBRARY = $(call INSTALL_LIBRARY__INT)
INSTALL_LIBRARY_INCLUDE_STATIC = $(call INSTALL_LIBRARY__INT,,a)
INSTALL_LIBRARY_WILDCARD_BEFORE_SO = $(call INSTALL_LIBRARY__INT,*)
INSTALL_LIBRARY_WILDCARD_BEFORE_SO_INCLUDE_STATIC = $(call INSTALL_LIBRARY__INT,*,a)
define INSTALL_LIBRARY_STRIP
$(INSTALL_LIBRARY) \
$(TARGET_STRIP) $@;
endef
define INSTALL_LIBRARY_STRIP_WILDCARD_BEFORE_SO
$(INSTALL_LIBRARY_WILDCARD_BEFORE_SO) \
$(TARGET_STRIP) $@;
endef

# $1 - binary to be installed
# $2 - directory binary to be installed in
# $3 (optional) - DESTDIR binary to be installed in, defaults to $(PKG)_DEST_DIR if omitted
define INSTALL_BINARY_STRIP_RULE
$(if $(strip $(3)),$(strip $(3)),$($(PKG)_DEST_DIR))$(strip $(2))/$(notdir $(strip $(1))): $(strip $(1))
	$(value INSTALL_BINARY_STRIP)
endef

# $1 - library to be installed
# $2 - directory library to be installed in
# $3 (optional) - DESTDIR library to be installed in, defaults to $(PKG)_DEST_DIR if omitted
define INSTALL_LIBRARY_STRIP_RULE
$(if $(strip $(3)),$(strip $(3)),$($(PKG)_DEST_DIR))$(strip $(2))/$(notdir $(strip $(1))): $(strip $(1))
	$(value INSTALL_LIBRARY_STRIP)
endef

define REMOVE_DOC_NLS_DIRS
$(if $(strip $(1)),$(RM) -r $(addprefix $(strip $(1)),$(foreach p,/ /usr /share /usr/share,$(foreach d,info man doc locale,$(subst //,/,$(p)/$(d))))))
endef


### PKG-macros


### PKG_INIT - initialise package. See also _FINISH.
### Stage 1: initialise package names
#   $(1) = version (mandatory)
#   $(2) = lower-case package name (optional)
#   $(3) = upper-case package name (optional)
define PKG_INIT__INT
#
#PKG_MAKEFILE:=$(lastword $(MAKEFILE_LIST))
PKG_MAKEFILE:=$(word $(words $(MAKEFILE_LIST)),$(MAKEFILE_LIST))
PKG_BASENAME:=$(basename $(notdir $(PKG_MAKEFILE)))
#
$(if $(strip $1),,$(error Undefined version for PKG_INIT in $(PKG_MAKEFILE)))
pkg:=$(if $(strip $2),$(strip $2),$(PKG_BASENAME))
PKG:=$(if $(strip $3),$(strip $3),$(call TOUPPER_NAME,$(pkg)))
ALL_PACKAGES+=$(pkg)
#
$(PKG)_VERSION:=$(strip $1)
#
$(PKG)_BUILD_PREREQ:=
$(PKG)_BUILD_PREREQ_HINT:=
$(PKG)_DEPENDS_ON:=
$(PKG)_HOST_DEPENDS_ON:=
#
$(PKG)_REBUILD_SUBOPTS=FREETZ_RPATH
#
$(PKG)_SOURCE_DIR:=$(SOURCE_DIR)
$(PKG)_DIR:=$($(PKG)_SOURCE_DIR)/$(pkg)-$($(PKG)_VERSION)
#
$(PKG)_TARBALL_STRIP_COMPONENTS:=1
$(PKG)_TARBALL_INCLUDE_FILTER:=
#
$(PKG)_EXCLUDED:=
#
$(PKG)_CONFIGURE_DEFOPTS:=y
$(PKG)_CONFIGURE_DEST:=TARGET
#
# $(pkg)-precompiled--int must be the first target, it will depend on DEPENDS_ON
$(pkg)-precompiled: $(pkg)-precompiled--int clear-echo-temporary $(pkg)
.PHONY: $(pkg)-precompiled $(pkg)-precompiled--int $(pkg)
endef

# ##Stage 2a: initialise other package-specific variables for binary packages
define PKG_INIT_BIN__INT
PKG_TYPE:=BIN
# level 99 for packages that are not actually started
$(PKG)_STARTLEVEL=99
$(PKG)_MAKE_DIR:=$(MAKE_DIR)/$(pkg)
$(PKG)_TARGET_DIR:=$(PACKAGES_DIR)/$(pkg)-$($(PKG)_VERSION)
$(PKG)_TARGET_LIBDIR:=$(TARGET_SPECIFIC_ROOT_DIR)$(FREETZ_LIBRARY_DIR)
$(PKG)_DEST_DIR:=$($(PKG)_TARGET_DIR)/root
$(PKG)_DEST_LIBDIR:=$($(PKG)_TARGET_DIR)/root$(FREETZ_LIBRARY_DIR)
$(PKG)_CLEAN_TARGET_DIR__INT:=$(RM) -r $($(PKG)_TARGET_DIR); $(RM) $(PACKAGES_DIR)/.$(pkg) $(PACKAGES_DIR)/.$(pkg)-$($(PKG)_VERSION);
$(pkg)-precompiled $(pkg): | $(PKG)_TARGET_DIR
endef

### Stage 2b: initialise other package-specific variables for library packages
define PKG_INIT_LIB__INT
PKG_TYPE:=LIB
$(PKG)_MAKE_DIR:=$(MAKE_DIR)/libs/$(pkg)
$(PKG)_TARGET_DIR:=$(TARGET_SPECIFIC_ROOT_DIR)$(FREETZ_LIBRARY_DIR)
$(PKG)_TARGET_LIBDIR:=$($(PKG)_TARGET_DIR)
$(PKG)_DEST_DIR:=$(TARGET_SPECIFIC_ROOT_DIR)
endef

### Stage 3: Common definitions after BIN/LIB specific definitions
define PKG_INIT__INT3
$(PKG)_DEST_BIN:=$($(PKG)_DEST_DIR)/bin
$(PKG)_DEST_SBIN:=$($(PKG)_DEST_DIR)/sbin
$(PKG)_DEST_LIB:=$($(PKG)_DEST_DIR)/lib
$(PKG)_DEST_USR_BIN:=$($(PKG)_DEST_DIR)/usr/bin
$(PKG)_DEST_USR_SBIN:=$($(PKG)_DEST_DIR)/usr/sbin
$(PKG)_DEST_USR_LIB:=$($(PKG)_DEST_DIR)/usr/lib
$(PKG)_CLEAN_STAGING_DIR__INT:=$(MAKE_ENV) $(MAKE) --quiet --ignore-errors $(pkg)-clean >/dev/null 2>&1;
endef

define PKG_INIT_BIN__INTV
$(value PKG_INIT__INT)
$(value PKG_INIT_BIN__INT)
$(value PKG_INIT__INT3)
endef
# Call & evaluate stages 1,2a,3 for binary packages
define PKG_INIT_BIN
$(eval $(call PKG_INIT_BIN__INTV,$1,$2,$3))
endef

define PKG_INIT_LIB__INTV
$(value PKG_INIT__INT)
$(value PKG_INIT_LIB__INT)
$(value PKG_INIT__INT3)
endef
# Call & evaluate stages 1,2b,3 for library packages
define PKG_INIT_LIB
$(eval $(call PKG_INIT_LIB__INTV,$1,$2,$3))
endef

# PKG_ADD_BIN
#  $1 PKG FREETZ_PACKAGE_ Config Symbol
#  $2 pkg Name (optional)
define PKG_ADD_BIN__INT
ifeq ($(FREETZ_PACKAGE_$1),y)
PACKAGES+=$(if $(strip $2),$2,$(pkg))
endif
endef
define PKG_ADD_BIN
$(eval $(call PKG_ADD_BIN__INT,$1,$2))
endef

# PKG_ADD_LIB
#  $1 PKG FREETZ_LIB_ Config Symbol
#  $2 pkg Name (optional)
define PKG_ADD_LIB__INT
ifeq ($(FREETZ_LIB_$1),y)
LIBS+=$(if $(strip $2),$2,$(pkg))
endif
endef
define PKG_ADD_LIB
$(eval $(call PKG_ADD_LIB__INT,$1,$2))
endef


### PKG_FINISH - package finalisation
# Finalise binary packages
define PKG_FINISH_BIN__INT
$(PKG)_TARGET_DIR:
	@mkdir -p $($(PKG)_TARGET_DIR)
.PHONY: $(PKG)_TARGET_DIR

# create marker containing package version
$(PACKAGES_DIR)/.$(pkg): | $(PACKAGES_DIR)
	@echo "$($(PKG)_VERSION)" > $$@

# copy files under make/$(pkg)/files to the package target dir
$(PACKAGES_DIR)/.$(pkg)-$($(PKG)_VERSION): | $(PACKAGES_DIR)
	mkdir -p $($(PKG)_TARGET_DIR)/root
	if test -d $($(PKG)_MAKE_DIR)/files; then \
		$(call COPY_USING_TAR,$($(PKG)_MAKE_DIR)/files,$($(PKG)_TARGET_DIR)) \
	fi
	@touch $$@

$(pkg) $(pkg)-precompiled: $(PACKAGES_DIR)/.$(pkg) $(PACKAGES_DIR)/.$(pkg)-$($(PKG)_VERSION)

$($(PKG)_TARGET_DIR)/.exclude: $(TOPDIR)/.config | $(PKG)_TARGET_DIR
	@$(call write-list-to-file,$(patsubst /%,%,$(patsubst $($(PKG)_DEST_DIR)/%,%,$(strip $($(PKG)_EXCLUDED)))),$$@)

$(pkg): $($(PKG)_TARGET_DIR)/.exclude

$(PKG_LIST)
$(call PKG_ADD_BIN__INT,$(PKG))
endef

# Finalise library packages
define PKG_FINISH_LIB__INT
endef

# check for changed suboptions, should only be called if $(PKG)_REBUILD_SUBOPTS is defined
define PKG_FINISH_CHECK_REBUILD_SUBOPTS__INT1
$(PKG)_FREETZ_CONFIG_FILE:=$(FREETZ_BASE_DIR)/$(SOURCE_DIR)/.$(pkg)_config
endef
define PKG_FINISH_CHECK_REBUILD_SUBOPTS__INT2
$($(PKG)_FREETZ_CONFIG_FILE): $(TOPDIR)/.config | $(SOURCE_DIR)
	@($(foreach OPT,$($(PKG)_REBUILD_SUBOPTS),echo "$(if $($(OPT)),$(OPT)=$($(OPT)),$(_hash) $(OPT) is not set)";):) > $($(PKG)_FREETZ_CONFIG_FILE).temp
	@if ! diff -q $($(PKG)_FREETZ_CONFIG_FILE).temp $($(PKG)_FREETZ_CONFIG_FILE) 2>/dev/null $(SILENT); then \
		$(RM) -r $($(PKG)_DIR); \
		$($(PKG)_CLEAN_TARGET_DIR__INT) \
		mv $($(PKG)_FREETZ_CONFIG_FILE).temp $($(PKG)_FREETZ_CONFIG_FILE); \
	else \
		$(RM) $($(PKG)_FREETZ_CONFIG_FILE).temp; \
	fi
$(pkg)-build-prereq: $($(PKG)_FREETZ_CONFIG_FILE)
endef


# PKG_FINISH: Finalise packages (general functionality + call to type specifics)
define PKG_FINISH__INT

$(pkg)-precompiled--int: $(pkg)-build-prereq $(TOOLCHAIN) $($(PKG)_HOST_DEPENDS_ON) $(patsubst %,%-precompiled,$($(PKG)_DEPENDS_ON))
.PHONY: $(pkg)-precompiled--int

$(pkg)-precompiled:
	@$(call _ECHO_DONE)

$(eval $(PKG_BUILD_PREREQ__INT))

$(pkg)-dirclean--int:
	$(RM) -r $($(PKG)_DIR)
	$($(PKG)_CLEAN_TARGET_DIR__INT)
#	$($(PKG)_CLEAN_STAGING_DIR__INT)

$(pkg)-dirclean: $(pkg)-dirclean--int
$(pkg)-distclean: $(pkg)-dirclean $(pkg)-clean $(pkg)-uninstall
.PHONY: $(pkg)-dirclean $(pkg)-dirclean--int $(pkg)-distclean $(pkg)-clean $(pkg)-uninstall

$(pkg)-autofix: $(pkg)-dirclean
	$(MAKE) AUTO_FIX_PATCHES=y $(pkg)-unpacked
$(pkg)-recompile: $(pkg)-dirclean $(pkg)-precompiled
.PHONY: $(pkg)-autofix $(pkg)-recompile

PKG_TYPE:=
PKG_MAKEFILE:=
PKG_BASENAME:=

#
PKG:=
pkg:=

endef
#
PKG_FINISH=$(eval $(PKG_FINISH_$(PKG_TYPE)__INT))
PKG_FINISH+=$(if $($(PKG)_REBUILD_SUBOPTS),$(eval $(PKG_FINISH_CHECK_REBUILD_SUBOPTS__INT1))$(eval $(PKG_FINISH_CHECK_REBUILD_SUBOPTS__INT2)))
PKG_FINISH+=$(eval $(PKG_FINISH__INT))


### PKG_SOURCE_DOWNLOAD - download source packages
PKG_SOURCE_DOWNLOAD=$(eval $(PKG_SOURCE_DOWNLOAD__INT))


## PKG_UNPACKED: Unpack and patch package
define PKG_UNPACKED__INT
$($(PKG)_DIR)/.unpacked: | $(UNPACK_TARBALL_PREREQUISITES)
endef

## check for changed suboptions, should only be called if $(PKG)_REBUILD_SUBOPTS is defined
define PKG_UNPACKED_CHECK_REBUILD_SUBOPTS
$($(PKG)_DIR)/.unpacked: $($(PKG)_FREETZ_CONFIG_FILE)
endef

## check for changed files in files and patches folder
define PKG_UNPACKED_CHECK_CHANGES__INT1
$(PKG)_FREETZ_CHANGES_FILE:=$(FREETZ_BASE_DIR)/$(SOURCE_DIR)/.$(pkg)_changes
$(PKG)_FREETZ_CHANGES_RECOMPILE_SEARCH:=patches/.*\|src/.*\|$(pkg)\.mk\|$(pkg).*\.mk\.in\|Makefile\.in\|Config\.in\|Config\.in\.libs\|Config\.in\.modules
$(PKG)_FREETZ_CHANGES_REPACK_SEARCH:=files/.*
endef
define PKG_UNPACKED_CHECK_CHANGES__INT2
$(PKG)_FREETZ_CHANGES_CHECK: $($(PKG)_SOURCE_DIR)
	@find $($(PKG)_MAKE_DIR) \
		-regex "^$($(PKG)_MAKE_DIR)/\($($(PKG)_FREETZ_CHANGES_RECOMPILE_SEARCH)\|$($(PKG)_FREETZ_CHANGES_REPACK_SEARCH)\)" \
		-printf '%TY-%Tm-%Td %TH:%TM:%TS\t%P\n' 2>/dev/null | sort -k 3 >$($(PKG)_FREETZ_CHANGES_FILE).temp
	@if [ -e $($(PKG)_FREETZ_CHANGES_FILE) ]; then \
		for i in 1 2; do \
			PATTERN=; \
			[ $$$$i = 1 ] && PATTERN='$($(PKG)_FREETZ_CHANGES_RECOMPILE_SEARCH)'; \
			[ $$$$i = 2 ] && PATTERN='$($(PKG)_FREETZ_CHANGES_REPACK_SEARCH)'; \
			if [ ! -z "$$$$PATTERN" ]; then \
				if [ "`grep -e "$$$$PATTERN" $($(PKG)_FREETZ_CHANGES_FILE)`" != "`grep -e "$$$$PATTERN" $($(PKG)_FREETZ_CHANGES_FILE).temp`" ]; then \
					mv $($(PKG)_FREETZ_CHANGES_FILE).temp $($(PKG)_FREETZ_CHANGES_FILE); \
					[ $$$$i == 1 ] && $(RM) -r $($(PKG)_DIR); \
					$($(PKG)_CLEAN_TARGET_DIR__INT) \
					$($(PKG)_CLEAN_STAGING_DIR__INT) \
					break; \
				fi \
			fi \
		done \
	else \
		mv $($(PKG)_FREETZ_CHANGES_FILE).temp $($(PKG)_FREETZ_CHANGES_FILE); \
	fi
	@$(RM) $($(PKG)_FREETZ_CHANGES_FILE).temp
$(pkg)-build-prereq: $(PKG)_FREETZ_CHANGES_CHECK
.PHONY: $(PKG)_FREETZ_CHANGES_CHECK
endef

PKG_UNPACKED           =
PKG_LOCALSOURCE_PACKAGE=
#
ifeq ($(strip $(FREETZ_CHECK_CHANGED)),y)
PKG_UNPACKED           +=$(eval $(PKG_UNPACKED_CHECK_CHANGES__INT1))$(eval $(PKG_UNPACKED_CHECK_CHANGES__INT2))
PKG_LOCALSOURCE_PACKAGE+=$(eval $(PKG_UNPACKED_CHECK_CHANGES__INT1))$(eval $(PKG_UNPACKED_CHECK_CHANGES__INT2))
endif
#
PKG_UNPACKED           +=$(eval $(PKG_UNPACKED__INT))
PKG_UNPACKED           +=$(eval $(PKG_UNPACKED__ALL_INT))
PKG_LOCALSOURCE_PACKAGE+=$(eval $(PKG_UNPACKED_LOCALSOURCE_PACKAGE__INT))
#
PKG_UNPACKED           +=$(if $($(PKG)_REBUILD_SUBOPTS),$(eval $(PKG_UNPACKED_CHECK_REBUILD_SUBOPTS)))
PKG_LOCALSOURCE_PACKAGE+=$(if $($(PKG)_REBUILD_SUBOPTS),$(eval $(PKG_UNPACKED_CHECK_REBUILD_SUBOPTS)))


### PKG_CONFIGURED: Configure package
PKG_CONFIGURED_CONFIGURE=$(eval $(PKG_CONFIGURED_CONFIGURE__INT))

## Package needs no configuration
PKG_CONFIGURED_NOP=$(eval $(PKG_CONFIGURED_NOP__INT))


## PKG_LIST: Add package to list files
define PKG_LIST__INT
$(pkg)-list:
	@echo "S$(strip $($(PKG)_STARTLEVEL)) $(pkg) $($(PKG)_VERSION) FREETZ_PACKAGE_$(PKG)" >> .packages
.PHONY: $(pkg)-list
endef
PKG_LIST=$(eval $(PKG_LIST__INT))