at: bring back package

* import from oldpackages
* version bump, update hash
* add PKG_LICENSE and PKG_LICENSE_FILES
* update patches

Signed-off-by: Phil Eichinger <phil@zankapfel.net>

utils/at/Makefile

@@ -0,0 +1,59 @@
+#
+# Copyright (C) 2008-2015 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=at
+PKG_VERSION:=3.1.16
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)_$(PKG_VERSION).orig.tar.gz
+PKG_SOURCE_URL:=http://ftp.debian.org/debian/pool/main/a/at
+PKG_MD5SUM:=d05da75d9b75d93917ffb16ab48b1e19
+
+PKG_LICENSE:=GPL-2.0+ GPL-3.0+ ISC
+PKG_LICENSE_FILES:=COPYING Copyright
+PKG_MAINTAINER:=Phil Eichinger <phil@zankapfel.net>
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/at
+  SECTION:=utils
+  CATEGORY:=Utilities
+  DEPENDS:=+libelf1
+  TITLE:=Delayed job execution and batch processing
+  URL:=http://packages.debian.org/stable/at
+endef
+
+define Package/at/description
+ At and batch read shell commands from standard input storing them as a job to
+ be scheduled for execution in the future.
+endef
+
+export SENDMAIL=/bin/true
+EXTRA_CFLAGS:=-DNEED_YYWRAP -I$(PKG_BUILD_DIR) \
+	$(TARGET_LDFLAGS)
+
+CONFIGURE_ARGS+=--prefix=/usr \
+		--with-daemon_username=nobody \
+		--with-daemon_groupname=nogroup \
+		--with-jobdir=/var/spool/cron/atjobs \
+		--with-atspool=/var/spool/cron/atspool
+
+CONFIGURE_VARS += \
+	ac_cv_header_security_pam_appl_h=no
+
+define Package/at/install
+	$(INSTALL_DIR) $(1)/usr/bin $(1)/usr/sbin $(1)/etc/init.d/
+	$(INSTALL_BIN) ./files/atd.init $(1)/etc/init.d/atd
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/at $(1)/usr/bin
+	ln -sf at $(1)/usr/bin/atq
+	ln -sf at $(1)/usr/bin/atrm
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/atd $(1)/usr/sbin
+endef
+
+$(eval $(call BuildPackage,at))