grep: import from packages and update to the latest version

utils/grep/Makefile

@@ -0,0 +1,51 @@
+#
+# Copyright (C) 2010-2012 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=grep
+PKG_VERSION:=2.20
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
+PKG_SOURCE_URL:=@GNU/grep
+PKG_MD5SUM:=2cbea44a4f1548aee20b9ff2d3076908
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/grep
+  SECTION:=utils
+  CATEGORY:=Utilities
+  TITLE:=grep search utility - full version
+  DEPENDS:=+libpcre
+  URL:=http://www.gnu.org/software/grep/
+endef
+
+define Package/grep/description
+The grep command searches one or more input files for lines
+containing a match to a specified pattern. By default, grep
+prints the matching lines.
+endef
+
+define Package/grep/install
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_BUILD_DIR)/src/grep $(1)/usr/bin/grep
+endef
+
+define Package/grep/postinst
+#!/bin/sh
+[ -L "$${IPKG_INSTROOT}/bin/grep" ] && rm -f "$${IPKG_INSTROOT}/bin/grep"
+exit 0
+endef
+
+define Package/grep/prerm
+$${IPKG_INSTROOT}/bin/busybox grep -h 2>&1 | grep -q BusyBox && \
+ln -sf busybox $${IPKG_INSTROOT}/bin/grep
+exit 0
+endef
+
+$(eval $(call BuildPackage,grep))