rebuild dmtx-utils when imagemagick version is updated.

component/imagemagick/buildout.cfg

@@ -32,7 +32,8 @@ filename = imagemagick-6.6.6-1-no-gsx-gsc-probe.patch
 
 [imagemagick]
 recipe = slapos.recipe.cmmi
-url = http://ftp.vim.org/ImageMagick/ImageMagick-6.8.8-2.tar.xz
+version = 6.8.8-2
+url = http://ftp.vim.org/ImageMagick/ImageMagick-${:version}.tar.xz
 md5sum = d11e1c732add731ff368b2dffcd004b4
 depends =
   ${libtiff:version}

component/libdmtx/buildout.cfg

@@ -25,6 +25,7 @@ url = http://prdownloads.sourceforge.net/libdmtx/dmtx-utils-0.7.4.tar.bz2
 md5sum = b132ab9fb1d289869469b8bb4959a08a
 depends =
   ${libpng:so_version}
+  ${imagemagick:version}
 configure-options =
   --disable-static
 environment =