diff -Nru mrtrix-0.2.12/debian/changelog mrtrix-0.2.12/debian/changelog
--- mrtrix-0.2.12/debian/changelog	2014-03-08 20:09:33.000000000 +0000
+++ mrtrix-0.2.12/debian/changelog	2015-12-27 16:05:02.000000000 +0000
@@ -1,3 +1,12 @@
+mrtrix (0.2.12-1+rpi1) stretch-staging; urgency=medium
+
+  [Changes by Iain Lane Taken from ubuntu version 0.2.12-1ubuntu1]
+  * Include <cstddef> to fix FTBFS due to missing size_t.
+  * Rebuild against new gsl. Update references to libgsl0-dev to libgsl-
+    dev.
+
+ -- Peter Michael Green <plugwash@raspbian.org>  Sun, 27 Dec 2015 16:04:18 +0000
+
 mrtrix (0.2.12-1) unstable; urgency=low
 
   * New upstream version.
diff -Nru mrtrix-0.2.12/debian/control mrtrix-0.2.12/debian/control
--- mrtrix-0.2.12/debian/control	2014-03-08 20:00:37.000000000 +0000
+++ mrtrix-0.2.12/debian/control	2015-12-27 16:02:41.000000000 +0000
@@ -4,7 +4,7 @@
 Uploaders: Michael Hanke <mih@debian.org>, Yaroslav Halchenko <debian@onerussian.com>
 Build-Depends: debhelper (>= 9~),
  liboctave-dev,
- libgsl0-dev,
+ libgsl-dev,
  python,
  pkg-config,
  libgtkmm-2.4-dev,
diff -Nru mrtrix-0.2.12/debian/patches/series mrtrix-0.2.12/debian/patches/series
--- mrtrix-0.2.12/debian/patches/series	2012-05-15 09:37:26.000000000 +0000
+++ mrtrix-0.2.12/debian/patches/series	2015-11-11 10:20:55.000000000 +0000
@@ -1,2 +1,3 @@
 debian_build_cfg
 glib-single-include.patch
+size_t-ftbfs
diff -Nru mrtrix-0.2.12/debian/patches/size_t-ftbfs mrtrix-0.2.12/debian/patches/size_t-ftbfs
--- mrtrix-0.2.12/debian/patches/size_t-ftbfs	1970-01-01 00:00:00.000000000 +0000
+++ mrtrix-0.2.12/debian/patches/size_t-ftbfs	2015-11-11 10:20:58.000000000 +0000
@@ -0,0 +1,10 @@
+--- mrtrix-0.2.12.orig/src/dwi/SH.cpp
++++ mrtrix-0.2.12/src/dwi/SH.cpp
+@@ -34,6 +34,7 @@
+ 
+ */
+ 
++#include <cstddef>
+ #include <gsl/gsl_sf_legendre.h>
+ #include "image/position.h"
+ #include "image/interp.h"