Fixes the boost issue Bernd discovered.

[[Imported from SVN: r6663]]

cmake/modules/DuneCommonMacros.cmake

@@ -6,16 +6,17 @@ include(DuneStreams)
 dune_set_minimal_debug_level()
 
 find_package(Boost)
-set(HAVE_BOOST BOOST_FOUND)
+set(HAVE_BOOST ${BOOST_FOUND})
 find_package(SharedPtr)
 if(Fortran_Works)
   # search for lapack
   find_package(LAPACK)
-  set(HAVE_LAPACK LAPACK_FOUND)
-  set(HAVE_BLAS BLAS_FOUND)
+  set(HAVE_LAPACK ${LAPACK_FOUND})
+  set(HAVE_BLAS ${BLAS_FOUND})
 else(Fortran_Works)
   set(HAVE_LAPACK Off)
   set(HAVE_BLAS Off)
+  # Write an empty FC header
   file(WRITE ${CMAKE_BINARY_DIR}/FC.h "")
 endif(Fortran_Works)