postfix: Add SQLite support

Signed-off-by: Lucian Cristian <lucian.cristian@gmail.com>

mail/postfix/Makefile

@@ -8,7 +8,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=postfix
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 PKG_SOURCE_URL:=ftp://ftp.porcupine.org/mirrors/postfix-release/official/
 PKG_VERSION:=3.1.4
 PKG_MD5SUM:=878a059d92ee3b093d7d3e97248c915d
@@ -25,7 +25,7 @@ define Package/postfix
   CATEGORY:=Mail
   TITLE:=Postfix Mail Transmit Agent
   URL:=http://www.postfix.org/
-  DEPENDS:=+POSTFIX_TLS:libopenssl +POSTFIX_SASL:libsasl2 +POSTFIX_LDAP:libopenldap +POSTFIX_DB:libdb47 +POSTFIX_EAI:icu +libpcre
+  DEPENDS:=+POSTFIX_TLS:libopenssl +POSTFIX_SASL:libsasl2 +POSTFIX_LDAP:libopenldap +POSTFIX_DB:libdb47 +POSTFIX_SQLITE:libsqlite3 +POSTFIX_EAI:icu +libpcre
 endef
 
 define Package/postfix/description
@@ -59,6 +59,11 @@ define Package/postfix/config
 			default y
 			help
 			  Implements support for cdb files using tinycdb
+		config POSTFIX_SQLITE
+			bool "SQLITE support"
+			default y
+			help
+			  Implements support for SQLite3 DB
 		config POSTFIX_EAI
 			bool "SMTPUTF8 support"
 			default n
@@ -106,6 +111,11 @@ else
   CCARGS+=-DNO_DB
 endif
 
+ifdef CONFIG_POSTFIX_SQLITE
+  CCARGS+=-DHAS_SQLITE -I$(STAGING_DIR)/usr/include/
+  AUXLIBS+=-L$(STAGING_DIR)/usr/lib -lsqlite3 -lpthread
+endif
+
 ifdef CONFIG_POSTFIX_EAI
   AUXLIBS+=-licuuc
   CCARGS+=-DHAS_EAI