diff -Nru freeling-3.1/debian/changelog freeling-3.1/debian/changelog
--- freeling-3.1/debian/changelog	2014-10-23 07:34:13.000000000 +0000
+++ freeling-3.1/debian/changelog	2014-12-18 09:32:26.000000000 +0000
@@ -1,3 +1,15 @@
+freeling (3.1-0segoon3~trusty2) precise; urgency=low
+
+  * -lboost_system
+
+ -- Vasily Kulikov <segooon@gmail.com>  Thu, 18 Dec 2014 12:30:39 +0300
+
+freeling (3.1-0segoon3~trusty1) trusty; urgency=low
+
+  * Build-Depends: alternate on generic libraries packages
+
+ -- Vasily Kulikov <segooon@gmail.com>  Wed, 17 Dec 2014 20:26:03 +0300
+
 freeling (3.1-0segoon2~precise1) precise; urgency=low
 
   * Build-Depends: zlib1g-dev, libboost1.48-dev, libicu-dev, libboost-regex1.48-dev,
diff -Nru freeling-3.1/debian/control freeling-3.1/debian/control
--- freeling-3.1/debian/control	2014-10-23 07:31:38.000000000 +0000
+++ freeling-3.1/debian/control	2014-12-17 17:24:41.000000000 +0000
@@ -3,9 +3,13 @@
 Priority: extra
 Maintainer: Vasily Kulikov <segooon@gmail.com>
 Build-Depends: debhelper (>= 8.0.0), autotools-dev, zlib1g-dev, 
- libboost1.48-dev, libicu-dev, libboost-regex1.48-dev,
- libboost-program-options1.48-dev, libboost-system1.48-dev,
- libboost-thread1.48-dev, libboost-locale1.48-dev,
+ libboost1.48-dev | libboost-dev,
+ libicu-dev,
+ libboost-regex1.48-dev | libboost-regex-dev,
+ libboost-program-options1.48-dev | libboost-program-options-dev,
+ libboost-system1.48-dev | libboost-system-dev,
+ libboost-thread1.48-dev | libboost-thread-dev,
+ libboost-locale1.48-dev | libboost-locale1.54-dev,
  zlib1g-dev
 Standards-Version: 3.9.2
 Homepage: http://nlp.lsi.upc.edu/freeling/
diff -Nru freeling-3.1/debian/rules freeling-3.1/debian/rules
--- freeling-3.1/debian/rules	2014-10-22 13:57:05.000000000 +0000
+++ freeling-3.1/debian/rules	2014-12-18 09:30:33.000000000 +0000
@@ -19,3 +19,6 @@
 
 %:
 	dh $@ --parallel
+
+override_dh_auto_configure:
+	LIBS=-lboost_system dh_auto_configure