dream: take library path from the R command

software/dream/software.cfg

@@ -77,7 +77,7 @@ recipe = collective.recipe.template
 output = ${buildout:directory}/environment.sh
 input = inline:
   export PATH="${r-language:location}/bin:$PATH"
-  export LD_LIBRARY_PATH="${r-language:location}/lib/R/lib:$LD_LIBRARY_PATH"
+  export LD_LIBRARY_PATH="`${r-language:location}/bin/R RHOME`/lib:$LD_LIBRARY_PATH"
   export LD_PRELOAD=${gcc-fortran:location}/lib64/libgfortran.so.3