diff -Nru openscad-2013.01+dfsg/debian/changelog openscad-2013.01+dfsg/debian/changelog
--- openscad-2013.01+dfsg/debian/changelog	2013-02-23 15:42:27.000000000 +0100
+++ openscad-2013.01+dfsg/debian/changelog	2014-01-18 22:01:43.000000000 +0100
@@ -1,3 +1,10 @@
+openscad (2013.01+dfsg-2.1) unstable; urgency=medium
+
+  * Non-maintainer upload.
+  * Replace libeigen2-dev by libeigen3-dev. (Closes: #726157)
+
+ -- Anton Gladky <gladk@debian.org>  Sat, 18 Jan 2014 22:01:18 +0100
+
 openscad (2013.01+dfsg-2) unstable; urgency=low
 
   * Fix eigen.pri to build on kfreebsd. (Patch by Don Bright)
diff -Nru openscad-2013.01+dfsg/debian/control openscad-2013.01+dfsg/debian/control
--- openscad-2013.01+dfsg/debian/control	2013-02-23 15:12:19.000000000 +0100
+++ openscad-2013.01+dfsg/debian/control	2014-01-18 21:59:55.000000000 +0100
@@ -6,7 +6,7 @@
     qt4-qmake (>=4.4),
     libcgal-dev (>=3.6),
     libopencsg-dev (>=1.3.0),
-    libeigen2-dev (>= 2.0.13),
+    libeigen3-dev,
     bison (>= 2.4),
     flex (>=2.5.35),
     libqt4-opengl-dev,
diff -Nru openscad-2013.01+dfsg/debian/rules openscad-2013.01+dfsg/debian/rules
--- openscad-2013.01+dfsg/debian/rules	2013-02-23 15:10:57.000000000 +0100
+++ openscad-2013.01+dfsg/debian/rules	2014-01-18 22:00:20.000000000 +0100
@@ -14,7 +14,7 @@
 	cd tests && CFLAGS="$$CFLAGS $$CPPFLAGS" CXXFLAGS="$$CXXFLAGS $$CPPFLAGS" cmake \
 		-DGLEW_LIBRARY=`pkg-config --variable libdir glew`/libGLEW.so \
 		-DGLEW_INCLUDE_DIR=`pkg-config --variable includedir` \
-		-DEIGEN_INCLUDE_DIR=`pkg-config --cflags-only-I eigen2 | sed 's/^-I//'` \
+		-DEIGEN_INCLUDE_DIR=`pkg-config --cflags-only-I eigen3 | sed 's/^-I//'` \
 		.
 	cd tests && make