openwrt-xburst/package/base-files/Makefile

#
# Copyright (C) 2007-2010 OpenWrt.org
# Copyright (C) 2010 Vertical Communications
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#

include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk

PKG_NAME:=base-files
PKG_RELEASE:=43.3

PKG_FILE_DEPENDS:=$(PLATFORM_DIR)/ $(GENERIC_PLATFORM_DIR)/base-files/

include $(INCLUDE_DIR)/package.mk

ifneq ($(DUMP),1)
  TARGET:=-$(BOARD)
  ifneq ($(wildcard $(PLATFORM_DIR)/base-files-$(PROFILE) $(PLATFORM_SUBDIR)/base-files-$(PROFILE)),)
    TARGET:=$(TARGET)-$(PROFILE)
  endif
  LIBGCC_VERSION:=$(GCC_VERSION)
  ifneq ($(findstring $(ARCH) , mips64 x86_64 ),)
    LIB_SUFFIX:=64
  endif
else
  LIBC_VERSION:=<LIBC_VERSION>
  LIBGCC_VERSION:=<LIBGCC_VERSION>
endif

define Package/base-files
  SECTION:=base
  CATEGORY:=Base system
  TITLE:=Base filesystem for OpenWrt
  URL:=http://openwrt.org/
  VERSION:=$(PKG_RELEASE)-$(REVISION)
  $(call Config,network.lan.proto,string,static,LAN Protocol)
  $(call Config,network.lan.ipaddr,ip,192.168.1.1,LAN IP Address)
  $(call Config,network.lan.netmask,netmask,255.255.255.0,LAN Network Mask)
  $(call Config,network.lan.gateway,ip,,LAN Gateway)
  $(call Config,network.lan.dns,ip,,LAN DNS server)
endef

define Package/base-files/conffiles
/etc/banner
/etc/hosts
/etc/inittab
/etc/group
/etc/passwd
/etc/profile
/etc/shells
/etc/sysctl.conf
$(call $(TARGET)/conffiles)
endef

define Package/base-files/description
 This package contains a base filesystem and system scripts for OpenWrt.
endef


define Package/gcc/Default
  SECTION:=libs
  CATEGORY:=Base system
  URL:=http://gcc.gnu.org/
  VERSION:=$(LIBGCC_VERSION)-$(PKG_RELEASE)
endef


define Package/libgcc
$(call Package/gcc/Default)
  TITLE:=GCC support library
  DEPENDS+=@!(TARGET_avr32||TARGET_coldfire)
endef

define Package/libgcc/config
	menu "Configuration"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_libgcc

	config LIBGCC_ROOT_DIR
		string
		prompt "libgcc shared library base directory"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_libgcc
		default TOOLCHAIN_ROOT  if !NATIVE_TOOLCHAIN
		default "/"  if NATIVE_TOOLCHAIN

	config LIBGCC_FILE_SPEC
		string
		prompt "libgcc shared library files (use wildcards)"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_libgcc
		default "./lib/libgcc_s.so.*"

	endmenu
endef


define Package/libssp
$(call Package/gcc/Default)
  DEPENDS+=@SSP_SUPPORT
  TITLE:=GCC support library
endef

define Package/libssp/config
	menu "Configuration"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_libssp

	config LIBSPP_ROOT_DIR
		string
		prompt "libssp shared library base directory"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_libssp
		default TOOLCHAIN_ROOT  if !NATIVE_TOOLCHAIN
		default "/"  if NATIVE_TOOLCHAIN

	config LIBSSP_FILE_SPEC
		string
		prompt "libssp shared library files (use wildcards)"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_libssp
		default "./lib/libssp.so.*"

	endmenu
endef


define Package/libstdcpp
$(call Package/gcc/Default)
  NAME:=libstdc++
  TITLE:=GNU Standard C++ Library v3
  DEPENDS+=@INSTALL_LIBSTDCPP
endef

define Package/libstdcpp/config
	menu "Configuration"
	depends EXTERNAL_TOOLCHAIN && PACKAGE_libstdcpp

	config LIBSTDCPP_ROOT_DIR
		string
		prompt "libstdcpp shared library base directory"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_libstdcpp
		default TOOLCHAIN_ROOT  if !NATIVE_TOOLCHAIN
		default "/"  if NATIVE_TOOLCHAIN

	config LIBSTDCPP_FILE_SPEC
		string
		prompt "libstdc++ shared library files (use wildcards)"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_libstdcpp
		default "./lib/libstdc++.so.*"

	endmenu
endef


define Package/libc/Default
  SECTION:=libs
  CATEGORY:=Base system
  VERSION:=$(LIBC_VERSION)-$(PKG_RELEASE)
ifneq ($(TARGET_avr32)$(TARGET_coldfire),)
  DEPENDS:=+libgcc
endif
  URL:=$(LIBC_URL)
endef


define Package/libc
$(call Package/libc/Default)
  TITLE:=C library
endef

define Package/libc/config
	menu "Configuration"
	depends EXTERNAL_TOOLCHAIN && PACKAGE_libc

	config LIBC_ROOT_DIR
		string
		prompt "libc shared library base directory"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_libc
		default TOOLCHAIN_ROOT  if !NATIVE_TOOLCHAIN
		default "/"  if NATIVE_TOOLCHAIN

	config LIBC_FILE_SPEC
		string
		prompt "libc shared library files (use wildcards)"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_libc
		default "./lib/ld{-*.so,-linux*.so.*} ./lib/lib{anl,c,cidn,crypt,dl,m,nsl,nss_dns,nss_files,resolv,util}{-*.so,.so.*}"

	endmenu
endef


define Package/libpthread
$(call Package/libc/Default)
  TITLE:=POSIX thread library
  DEPENDS:= +librt
endef

define Package/libpthread/config
	menu "Configuration"
	depends EXTERNAL_TOOLCHAIN && PACKAGE_libpthread

	config LIBPTHREAD_ROOT_DIR
		string
		prompt "libpthread shared library base directory"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_libpthread
		default TOOLCHAIN_ROOT  if !NATIVE_TOOLCHAIN
		default "/"  if NATIVE_TOOLCHAIN

	config LIBPTHREAD_FILE_SPEC
		string
		prompt "libpthread shared library files (use wildcards)"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_libpthread
		default "./lib/libpthread{-*.so,.so.*}"

	endmenu
endef


define Package/librt
$(call Package/libc/Default)
  TITLE:=POSIX.1b RealTime extension library
endef

define Package/librt/config
	menu "Configuration"
	depends EXTERNAL_TOOLCHAIN && PACKAGE_librt

	config LIBRT_ROOT_DIR
		string
		prompt "librt shared library base directory"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_librt
		default TOOLCHAIN_ROOT  if !NATIVE_TOOLCHAIN
		default "/"  if NATIVE_TOOLCHAIN

	config LIBRT_FILE_SPEC
		string
		prompt "librt shared library files (use wildcards)"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_librt
		default "./lib/librt{-*.so,.so.*}"

	endmenu
endef


define Package/ldd
$(call Package/libc/Default)
  SECTION:=utils
  CATEGORY:=Utilities
  TITLE:=LDD trace utility
endef

define Package/ldd/config
	menu "Configuration"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_ldd

	config LDD_ROOT_DIR
		string
		prompt "ldd trace utility base directory"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_ldd
		default TOOLCHAIN_ROOT  if !NATIVE_TOOLCHAIN
		default "/"  if NATIVE_TOOLCHAIN

	config LDD_FILE_SPEC
		string
		prompt "ldd trace utility file"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_ldd
		default "./usr/bin/ldd"

	endmenu
endef


define Package/ldconfig
$(call Package/libc/Default)
  SECTION:=utils
  CATEGORY:=Utilities
  TITLE:=Shared library path configuration
endef

define Package/ldconfig/config
	menu "Configuration"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_ldconfig

	config LDCONFIG_ROOT_DIR
		string
		prompt "ldconfig base directory"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_ldconfig
		default TOOLCHAIN_ROOT  if !NATIVE_TOOLCHAIN
		default "/"  if NATIVE_TOOLCHAIN

	config LDCONFIG_FILE_SPEC
		string
		prompt "ldconfig file"
		depends EXTERNAL_TOOLCHAIN && PACKAGE_ldconfig
		default "./sbin/ldconfig"

	endmenu
endef


ifneq ($(CONFIG_PREINITOPT),)
define ImageConfigOptions
	mkdir -p $(1)/lib/preinit
	echo 'pi_suppress_stderr="$(CONFIG_TARGET_PREINIT_SUPPRESS_STDERR)"' >$(1)/lib/preinit/00_preinit.conf
	echo 'fs_failsafe_wait_timeout=$(if $(CONFIG_TARGET_PREINIT_TIMEOUT),$(CONFIG_TARGET_PREINIT_TIMEOUT),2)' >>$(1)/lib/preinit/00_preinit.conf
	echo 'pi_init_path=$(if $(CONFIG_TARGET_INIT_PATH),$(CONFIG_TARGET_INIT_PATH),"/bin:/sbin:/usr/bin:/usr/sbin")' >>$(1)/lib/preinit/00_preinit.conf
	echo 'pi_init_env=$(if $(CONFIG_TARGET_INIT_ENV),$(CONFIG_TARGET_INIT_ENV),"")' >>$(1)/lib/preinit/00_preinit.conf
	echo 'pi_init_cmd=$(if $(CONFIG_TARGET_INIT_CMD),$(CONFIG_TARGET_INIT_CMD),"/sbin/init")' >>$(1)/lib/preinit/00_preinit.conf
	echo 'pi_init_suppress_stderr="$(CONFIG_TARGET_INIT_SUPPRESS_STDERR)"' >>$(1)/lib/preinit/00_preinit.conf
	echo 'pi_ifname=$(if $(CONFIG_TARGET_PREINIT_IFNAME),$(CONFIG_TARGET_PREINIT_IFNAME),"")' >>$(1)/lib/preinit/00_preinit.conf
	echo 'pi_ip=$(if $(CONFIG_TARGET_PREINIT_IP),$(CONFIG_TARGET_PREINIT_IP),"192.168.1.1")' >>$(1)/lib/preinit/00_preinit.conf
	echo 'pi_netmask=$(if $(CONFIG_TARGET_PREINIT_NETMASK),$(CONFIG_TARGET_PREINIT_NETMASK),"255.255.255.0")' >>$(1)/lib/preinit/00_preinit.conf
	echo 'pi_broadcast=$(if $(CONFIG_TARGET_PREINIT_BROADCAST),$(CONFIG_TARGET_PREINIT_BROADCAST),"192.168.1.255")' >>$(1)/lib/preinit/00_preinit.conf
	echo 'pi_preinit_net_messages="$(CONFIG_TARGET_PREINIT_SHOW_NETMSG)"' >>$(1)/lib/preinit/00_preinit.conf
	echo 'pi_preinit_no_failsafe_netmsg="$(CONFIG_TARGET_SUPPRESS_FAILSAFE_NETMSG)"' >>$(1)/lib/preinit/00_preinit.conf
endef
endif

define Build/Prepare
	mkdir -p $(PKG_BUILD_DIR)
endef

define Build/Compile/Default
endef

define Build/Compile
	$(call Build/Compile/Default)
endef

define Package/base-files/install
	$(CP) ./files/* $(1)/
	if [ -d $(GENERIC_PLATFORM_DIR)/base-files/. ]; then \
		$(CP) $(GENERIC_PLATFORM_DIR)/base-files/* $(1)/; \
	fi
	if [ -d $(PLATFORM_DIR)/base-files/. ]; then \
		$(CP) $(PLATFORM_DIR)/base-files/* $(1)/; \
	fi
	if [ -d $(PLATFORM_DIR)/base-files-$(PROFILE)/. ]; then \
		$(CP) $(PLATFORM_DIR)/base-files-$(PROFILE)/* $(1)/; \
	fi
	if [ -d $(PLATFORM_DIR)/$(PROFILE)/base-files/. ]; then \
		$(CP) $(PLATFORM_DIR)/$(PROFILE)/base-files/* $(1)/; \
	fi
	$(if $(filter-out $(PLATFORM_DIR),$(PLATFORM_SUBDIR)), \
		if [ -d $(PLATFORM_SUBDIR)/base-files/. ]; then \
			$(CP) $(PLATFORM_SUBDIR)/base-files/* $(1)/; \
		fi; \
		if [ -d $(PLATFORM_SUBDIR)/base-files-$(PROFILE)/. ]; then \
			$(CP) $(PLATFORM_SUBDIR)/base-files-$(PROFILE)/* $(1)/; \
		fi; \
		if [ -d $(PLATFORM_SUBDIR)/$(PROFILE)/base-files/. ]; then \
			$(CP) $(PLATFORM_SUBDIR)/$(PROFILE)/base-files/* $(1)/; \
		fi \
	)
# Form valid /etc/shadow entries, by copying the user:pw pairs
# from /etc/passwd, and adding on pw change data
	$(if $(CONFIG_BUSYBOX_CONFIG_FEATURE_SHADOWPASSWDS), \
		cut -d ':' -f 1-2 $(1)/etc/passwd > $(1)/etc/shadow; \
		$(SED) 's/$$$$/:13848:0:99999:7:::/' $(1)/etc/shadow \
	)
	$(SED) 's,$$$$R,$(REVISION),g' $(1)/etc/banner
	mkdir -p $(1)/CONTROL
	mkdir -p $(1)/dev
	mkdir -p $(1)/etc/crontabs
	mkdir -p $(1)/etc/rc.d
	mkdir -p $(1)/overlay
	mkdir -p $(1)/lib/firmware
	$(if $(LIB_SUFFIX),-ln -s lib $(1)/lib$(LIB_SUFFIX))
	mkdir -p $(1)/mnt
	mkdir -p $(1)/proc
	mkdir -p $(1)/tmp
	mkdir -p $(1)/usr/lib
	$(if $(LIB_SUFFIX),-ln -s lib $(1)/usr/lib$(LIB_SUFFIX))
	mkdir -p $(1)/usr/bin
	mkdir -p $(1)/sys
	mkdir -p $(1)/www
	mkdir -p $(1)/root
	ln -sf /proc/mounts $(1)/etc/mtab
	rm -f $(1)/var
	ln -sf /tmp $(1)/var
	mkdir -p $(1)/etc
	ln -sf /tmp/resolv.conf /tmp/fstab /tmp/TZ $(1)/etc/
	$(call ImageConfigOptions,$(1))
	$(call Package/base-files/install-target,$(1))
	for conffile in $(1)/etc/config/*; do \
		if [ -f "$$$$conffile" ]; then \
			grep "$$$${conffile##$(1)}" $(1)/CONTROL/conffiles || \
				echo "$$$${conffile##$(1)}" >> $(1)/CONTROL/conffiles; \
		fi \
	done
endef

ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)

  define Package/libgcc/install
	$(INSTALL_DIR) $(1)/lib
	$(CP) $(TOOLCHAIN_DIR)/lib/libgcc_s.so.* $(1)/lib/
  endef

  define Package/libssp/install
	$(INSTALL_DIR) $(1)/lib
	$(CP) $(TOOLCHAIN_DIR)/lib/libssp.so.* $(1)/lib/
  endef

  define Package/libstdcpp/install
	$(INSTALL_DIR) $(1)/usr/lib
	$(CP) $(TOOLCHAIN_DIR)/usr/lib/libstdc++.so.* $(1)/usr/lib/
  endef

  use_libutil=$(if $(CONFIG_USE_GLIBC)$(CONFIG_EGLIBC_OPTION_EGLIBC_UTMP),libutil)
  use_libnsl=$(if $(CONFIG_USE_GLIBC)$(CONFIG_EGLIBC_OPTION_EGLIBC_NIS),libnsl)
  use_nsswitch=$(if $(CONFIG_USE_GLIBC)$(CONFIG_EGLIBC_OPTION_EGLIBC_NSSWITCH),libnss_dns libnss_files)

  define Package/glibc/install
	$(INSTALL_DIR) $(1)/lib
	$(CP) $(TOOLCHAIN_DIR)/lib/ld*.so.* $(1)/lib/
	$(CP) $(TOOLCHAIN_DIR)/lib/ld-$(LIBC_SO_VERSION).so $(1)/lib/
	for file in libanl libc libcidn libcrypt libdl libm $(use_libnsl) $(use_nsswitch) libresolv $(use_libutil); do \
		$(CP) $(TOOLCHAIN_DIR)/lib/$$$$file.so.* $(1)/lib/; \
		$(CP) $(TOOLCHAIN_DIR)/lib/$$$$file-$(LIBC_SO_VERSION).so $(1)/lib/; \
	done
  endef

  define Package/eglibc/install
    $(call Package/glibc/install,$1)
  endef

  define Package/uClibc/install
	$(INSTALL_DIR) $(1)/lib
	$(CP) \
		$(TOOLCHAIN_DIR)/lib/ld*-uClibc.so.* \
		$(TOOLCHAIN_DIR)/lib/ld*-uClibc-$(LIBC_SO_VERSION).so \
		$(1)/lib/
	$(CP) \
		$(TOOLCHAIN_DIR)/lib/libc.so.* \
		$(TOOLCHAIN_DIR)/lib/libuClibc-$(LIBC_SO_VERSION).so \
		$(1)/lib/
	for file in libcrypt libdl libm libnsl libresolv libutil; do \
		$(CP) \
			$(TOOLCHAIN_DIR)/lib/$$$$file.so.* \
			$(TOOLCHAIN_DIR)/lib/$$$$file-$(LIBC_SO_VERSION).so \
			$(1)/lib/; \
	done
  endef

  define Package/libc/install
    $(call Package/$(LIBC)/install,$1)
  endef

  define Package/libc/install_lib
	$(CP) $(filter-out %/libdl_pic.a %/libpthread_pic.a %/libresolv_pic.a,$(wildcard $(TOOLCHAIN_DIR)/usr/lib/lib*.a)) $(1)/lib/
	$(if $(wildcard $(TOOLCHAIN_DIR)/usr/lib/libc_so.a),$(CP) $(TOOLCHAIN_DIR)/usr/lib/libc_so.a $(1)/lib/libc_pic.a)
	$(if $(wildcard $(TOOLCHAIN_DIR)/usr/lib/gcc/*/*/libgcc.map), \
		$(CP) $(TOOLCHAIN_DIR)/usr/lib/gcc/*/*/libgcc_pic.a $(1)/lib/libgcc_s_pic.a; \
		$(CP) $(TOOLCHAIN_DIR)/usr/lib/gcc/*/*/libgcc.map $(1)/lib/libgcc_s_pic.map \
	)
  endef

  define Package/libpthread/install
	$(INSTALL_DIR) $(1)/lib
	$(CP) $(TOOLCHAIN_DIR)/lib/libpthread.so.* $(1)/lib/
	$(CP) $(TOOLCHAIN_DIR)/lib/libpthread-$(LIBC_SO_VERSION).so $(1)/lib/
  endef

  define Package/libpthread/install_lib
	$(if $(wildcard $(TOOLCHAIN_DIR)/usr/lib/libpthread_so.a),$(CP) $(TOOLCHAIN_DIR)/usr/lib/libpthread_so.a $(1)/lib/libpthread_pic.a)
  endef

  define Package/librt/install
	$(INSTALL_DIR) $(1)/lib
	$(CP) $(TOOLCHAIN_DIR)/lib/librt.so.* $(1)/lib/
	$(CP) $(TOOLCHAIN_DIR)/lib/librt-$(LIBC_SO_VERSION).so $(1)/lib/
  endef

  define Package/ldd/install
	$(INSTALL_DIR) $(1)/usr/bin/
	$(CP) $(TOOLCHAIN_DIR)/usr/bin/ldd $(1)/usr/bin/
  endef

  define Package/ldconfig/install
	$(INSTALL_DIR) $(1)/sbin/
	$(CP) $(TOOLCHAIN_DIR)/sbin/ldconfig $(1)/sbin/
  endef

else

  define Package/libgcc/install
	for file in $(call qstrip,$(CONFIG_LIBGCC_FILE_SPEC)); do \
		dir=`dirname $$$$file` ; \
		$(INSTALL_DIR) $(1)/$$$$dir ; \
		$(CP) $(call qstrip,$(CONFIG_LIBGCC_ROOT_DIR))/$$$$file $(1)/$$$$dir/ ; \
	done
  endef

  define Package/libssp/install
	for file in $(call qstrip,$(CONFIG_LIBSSP_FILE_SPEC)); do \
		dir=`dirname $$$$file` ; \
		$(INSTALL_DIR) $(1)/$$$$dir ; \
		$(CP) $(call qstrip,$(CONFIG_LIBSSP_ROOT_DIR))/$$$$file $(1)/$$$$dir/ ; \
	done
  endef

  define Package/libstdcpp/install
	for file in $(call qstrip,$(CONFIG_LIBSTDCPP_FILE_SPEC)); do \
		dir=`dirname $$$$file` ; \
		$(INSTALL_DIR) $(1)/$$$$dir ; \
		$(CP) $(call qstrip,$(CONFIG_LIBSTDCPP_ROOT_DIR))/$$$$file $(1)/$$$$dir/ ; \
	done
  endef

  define Package/libc/install
	for file in $(call qstrip,$(CONFIG_LIBC_FILE_SPEC)); do \
		dir=`dirname $$$$file` ; \
		$(INSTALL_DIR) $(1)/$$$$dir ; \
		$(CP) $(call qstrip,$(CONFIG_LIBC_ROOT_DIR))/$$$$file $(1)/$$$$dir/ ; \
	done
  endef

  define Package/libpthread/install
	for file in $(call qstrip,$(CONFIG_LIBPTHREAD_FILE_SPEC)); do \
		dir=`dirname $$$$file` ; \
		$(INSTALL_DIR) $(1)/$$$$dir ; \
		$(CP) $(call qstrip,$(CONFIG_LIBPTHREAD_ROOT_DIR))/$$$$file $(1)/$$$$dir/ ; \
	done
  endef

  define Package/librt/install
	for file in $(call qstrip,$(CONFIG_LIBRT_FILE_SPEC)); do \
		dir=`dirname $$$$file` ; \
		$(INSTALL_DIR) $(1)/$$$$dir ; \
		$(CP) $(call qstrip,$(CONFIG_LIBRT_ROOT_DIR))/$$$$file $(1)/$$$$dir/ ; \
	done
  endef

  define Package/ldd/install
	for file in $(call qstrip,$(CONFIG_LDD_FILE_SPEC)); do \
		dir=`dirname $$$$file` ; \
		$(INSTALL_DIR) $(1)/$$$$dir ; \
		$(CP) $(call qstrip,$(CONFIG_LDD_ROOT_DIR))/$$$$file $(1)/$$$$dir/ ; \
	done
  endef

  define Package/ldconfig/install
	for file in $(call qstrip,$(CONFIG_LDCONFIG_FILE_SPEC)); do \
		dir=`dirname $$$$file` ; \
		$(INSTALL_DIR) $(1)/$$$$dir ; \
		$(CP) $(call qstrip,$(CONFIG_LDCONFIG_ROOT_DIR))/$$$$file $(1)/$$$$dir/ ; \
	done
  endef

endif

ifneq ($(DUMP),1)
  -include $(PLATFORM_DIR)/base-files.mk
endif

$(eval $(call BuildPackage,base-files))
$(eval $(call BuildPackage,libc))
$(eval $(call BuildPackage,libgcc))
$(eval $(call BuildPackage,libssp))
$(eval $(call BuildPackage,libstdcpp))
$(eval $(call BuildPackage,libpthread))
$(eval $(call BuildPackage,librt))
$(eval $(call BuildPackage,ldd))
$(eval $(call BuildPackage,ldconfig))