+
+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
+