libesmtp: streamline makefile

Signed-off-by: Othmar Truniger <github@truniger.ch>

libs/libesmtp/Makefile

 #
-# Copyright (C) 2008-2014 OpenWrt.org
+# Copyright (C) 2008-2015 OpenWrt.org
 #
 # This is free software, licensed under the GNU General Public License v2.
 # See /LICENSE for more information.
 
 PKG_NAME:=libesmtp
 PKG_VERSION:=1.0.6
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 PKG_MD5SUM:=c4fedc999b6c3820296b0eb92cc2e252
 
 PKG_MAINTAINER:=Othmar Truniger <github@truniger.ch>
 PKG_SOURCE_URL:=http://www.stafford.uklinux.net/libesmtp
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
 
+PKG_BUILD_PARALLEL:=1
+PKG_INSTALL:=1
+
 include $(INCLUDE_DIR)/package.mk
 
 define Package/libesmtp
   DEPENDS:=+libpthread
 endef
 
-define Build/Configure
-	$(call Build/Configure/Default,--without-openssl)
-endef
-
-define Build/Compile
-	$(MAKE) -C $(PKG_BUILD_DIR) \
-		DESTDIR="$(PKG_INSTALL_DIR)" \
-		all install
-endef
+CONFIGURE_ARGS += \
+	--without-openssl
 
 define Build/InstallDev
-	mkdir -p $(STAGING_DIR)/usr/include
-	$(CP) $(PKG_INSTALL_DIR)/usr/include/libesmtp.h $(STAGING_DIR)/usr/include/
-	$(CP) $(PKG_INSTALL_DIR)/usr/include/auth-client.h $(STAGING_DIR)/usr/include/
-	$(CP) $(PKG_INSTALL_DIR)/usr/include/auth-plugin.h $(STAGING_DIR)/usr/include/
-	mkdir -p $(STAGING_DIR)/usr/lib
-	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libesmtp.{a,so*} $(STAGING_DIR)/usr/lib/
+	$(INSTALL_DIR) $(1)/usr/bin
+	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/libesmtp-config $(1)/usr/bin/
+	$(SED) 's,^\(prefix\|exec_prefix\)=.*,\1=$(STAGING_DIR)/usr,g' $(1)/usr/bin/libesmtp-config
+
+	$(INSTALL_DIR) $(1)/usr/include
+	$(CP) $(PKG_INSTALL_DIR)/usr/include/*.h $(1)/usr/include/
+	$(INSTALL_DIR) $(1)/usr/lib
+	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libesmtp.{a,so*} $(1)/usr/lib/
 	$(INSTALL_DIR) $(2)/bin
-	$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/libesmtp-config $(2)/bin/
-	$(SED) 's,^\(prefix\|exec_prefix\)=.*,\1=$(STAGING_DIR)/usr,g' $(2)/bin/libesmtp-config
-endef
-
-define Build/UninstallDev
-	rm -rf \
-		$(STAGING_DIR)/usr/include/libesmtp.h \
-		$(STAGING_DIR)/usr/include/auth-client.h \
-		$(STAGING_DIR)/usr/include/auth-plugin.h \
-		$(STAGING_DIR)/usr/lib/libesmtp.{a,so*}
+	$(LN) ../../usr/bin/libesmtp-config $(2)/bin/
 endef
 
 define Package/libesmtp/install
-	mkdir -p $(1)/usr/lib
+	$(INSTALL_DIR)  $(1)/usr/lib
 	$(CP) $(PKG_INSTALL_DIR)/usr/lib/libesmtp.so.* $(1)/usr/lib/
 endef