Add architecture specific Build-Depends.

debian/changelog

@@ -3,6 +3,9 @@ visp (2.7.0-2) unstable; urgency=low
   * Update symbols file for armel, armhf, i386, ia64, mips, mipsel,
     powerpc, s390, s390x, sparc architectures using pkgkde-getbuildlogs
     (Closes: #704719).
+  * Disable opencv support on sparc64 and x32.
+  * Disable OGRE support on sh4.
+  * Disable libdc1394 support on all non-linux platforms.
 
  -- Thomas Moulard <thomas.moulard@gmail.com>  Fri, 26 Apr 2013 10:47:10 +0900
 

debian/control

@@ -9,12 +9,12 @@ Build-Depends: debhelper (>= 9),
                cmake,
                doxygen,
                doxygen-latex,
-               libopencv-dev,
+               libopencv-dev [!any-sparc64 !x32],
                liblapack-dev,
                libcoin60-dev,
                libsoqt4-dev,
-               libogre-1.8-dev,
-               libdc1394-22-dev,
+               libogre-1.8-dev [!any-sh4],
+               libdc1394-22-dev [linux-any],
                libxml2-dev,
                libjpeg-dev,
                libpng-dev,
@@ -37,12 +37,12 @@ Homepage: http://www.irisa.fr/lagadic/visp/visp.html
 Package: libvisp-dev
 Architecture: any
 Section: libdevel
-Depends: libopencv-dev,
+Depends: libopencv-dev [!any-sparc64 !x32],
          liblapack-dev,
          libcoin60-dev,
          libsoqt4-dev,
-         libogre-1.8-dev,
-         libdc1394-22-dev,
+         libogre-1.8-dev [!any-sh4],
+         libdc1394-22-dev [linux-any],
          libxml2-dev,
          libjpeg-dev,
          libpng-dev,