which: new package

Signed-off-by: Huangbin Zhan <zhanhb88@gmail.com>

utils/which/Makefile

@@ -0,0 +1,37 @@
+include $(TOPDIR)/rules.mk
+
+PKG_NAME:=which
+PKG_VERSION:=2.21
+PKG_RELEASE:=1
+
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_SOURCE_URL:=@GNU/which
+PKG_HASH:=f4a245b94124b377d8b49646bf421f9155d36aa7614b6ebf83705d3ffc76eaad
+
+PKG_MAINTAINER:=Huangbin Zhan <zhanhb88@gmail.com>
+PKG_LICENSE:=GPL-2.0-or-later
+PKG_LICENSE_FILES:=COPYING
+
+PKG_INSTALL:=1
+PKG_BUILD_PARALLEL:=1
+
+include $(INCLUDE_DIR)/package.mk
+
+define Package/which
+  SECTION:=utils
+  CATEGORY:=Utilities
+  TITLE:=which utility - full version
+  URL:=https://carlowood.github.io/which/
+  ALTERNATIVES:=300:/usr/bin/which:/usr/libexec/which-gnu
+endef
+
+define Package/which/description
+ The which command shows the full pathname of a specified program, if the specified program is in your PATH.
+endef
+
+define Package/which/install
+	$(INSTALL_DIR) $(1)/usr/libexec
+	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/which $(1)/usr/libexec/which-gnu
+endef
+
+$(eval $(call BuildPackage,which))