--- /dev/null
+#############################################################
+#
+# ntp
+#
+#############################################################
+
+NTP_VERSION = 4.2.6p5
+NTP_SITE = http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-4.2
+NTP_LICENSE = ntp license
+NTP_LICENSE_FILES = COPYRIGHT
+NTP_CONF_ENV = ac_cv_lib_md5_MD5Init=no
+
+ifneq ($(BR2_INET_IPV6),y)
+ NTP_CONF_ENV += isc_cv_have_in6addr_any=no
+endif
+
+NTP_CONF_OPT = --with-shared \
+ --enable-ATOM \
+ --enable-all-clocks \
+ --program-transform-name=s,,, \
+ --disable-tickadj
+
+ifeq ($(BR2_PACKAGE_OPENSSL),y)
+ NTP_CONF_OPT += --with-crypto
+ NTP_DEPENDENCIES += openssl
+else
+ NTP_CONF_OPT += --without-crypto
+endif
+
+ifeq ($(BR2_PACKAGE_NTP_NTPSNMPD),y)
+ NTP_CONF_OPT += \
+ --with-net-snmp-config=$(STAGING_DIR)/usr/bin/net-snmp-config
+ NTP_DEPENDENCIES += netsnmp
+else
+ NTP_CONF_OPT += --without-ntpsnmpd
+endif
+
+define NTP_PATCH_FIXUPS
+ $(SED) "s,^#if.*__GLIBC__.*_BSD_SOURCE.*$$,#if 0," $(@D)/ntpd/refclock_pcf.c
+ $(SED) '/[[:space:](]rindex[[:space:]]*(/s/[[:space:]]*rindex[[:space:]]*(/ strrchr(/g' $(@D)/ntpd/*.c
+endef
+
+NTP_INSTALL_FILES_$(BR2_PACKAGE_NTP_NTP_KEYGEN) += util/ntp-keygen
+NTP_INSTALL_FILES_$(BR2_PACKAGE_NTP_NTP_WAIT) += scripts/ntp-wait
+NTP_INSTALL_FILES_$(BR2_PACKAGE_NTP_NTPDATE) += ntpdate/ntpdate
+NTP_INSTALL_FILES_$(BR2_PACKAGE_NTP_NTPDC) += ntpdc/ntpdc
+NTP_INSTALL_FILES_$(BR2_PACKAGE_NTP_NTPQ) += ntpq/ntpq
+NTP_INSTALL_FILES_$(BR2_PACKAGE_NTP_NTPSNMPD) += ntpsnmpd/ntpsnmpd
+NTP_INSTALL_FILES_$(BR2_PACKAGE_NTP_NTPTRACE) += scripts/ntptrace
+NTP_INSTALL_FILES_$(BR2_PACKAGE_NTP_SNTP) += sntp/sntp
+NTP_INSTALL_FILES_$(BR2_PACKAGE_NTP_TICKADJ) += util/tickadj
+
+define NTP_INSTALL_TARGET_CMDS
+ $(if $(BR2_PACKAGE_NTP_NTPD), install -m 755 $(@D)/ntpd/ntpd $(TARGET_DIR)/usr/sbin/ntpd)
+ test -z "$(NTP_INSTALL_FILES_y)" || install -m 755 $(addprefix $(@D)/,$(NTP_INSTALL_FILES_y)) $(TARGET_DIR)/usr/bin/
+ $(if $(BR2_PACKAGE_NTP_NTPD), install -m 755 package/ntp/S49ntp $(TARGET_DIR)/etc/init.d/S49ntp)
+ @if [ ! -f $(TARGET_DIR)/etc/default/ntpd ]; then \
+ install -m 755 -d $(TARGET_DIR)/etc/default ; \
+ install -m 644 package/ntp/ntpd.etc.default $(TARGET_DIR)/etc/default/ntpd ; \
+ fi
+endef
+
+define NTP_UNINSTALL_TARGET_CMDS
+ rm $(TARGET_DIR)/usr/sbin/ntpd
+ rm -f $(addprefix $(TARGET_DIR)/usr/bin/,$(NTP_INSTALL_FILES_y))
+ rm $(TARGET_DIR)/etc/init.d/S49ntp
+ rm $(TARGET_DIR)/etc/default/ntpd
+endef
+
+NTP_POST_PATCH_HOOKS += NTP_PATCH_FIXUPS
+
+$(eval $(autotools-package))