[bugfix] make cmake work with 2.4 release.

dune/alugrid/impl/test/CMakeLists.txt

@@ -8,6 +8,10 @@ set(TESTS
 # copy data to build source to make tests work
 file(COPY alugrid.cfg grids DESTINATION ${CMAKE_CURRENT_BINARY_DIR})
 
-foreach(TEST ${TESTS})
-  dune_add_test(NAME ${TEST} SOURCES ${TEST}.cc LINK_LIBRARIES dunealugrid)
-endforeach()
+# dune 2.5 and higher
+if(NOT (("${DUNE_COMMON_VERSION_MAJOR}" STREQUAL "2")
+           AND ("${DUNE_COMMON_VERSION_MINOR}" STREQUAL "4")))
+  foreach(TEST ${TESTS})
+    dune_add_test(NAME ${TEST} SOURCES ${TEST}.cc LINK_LIBRARIES dunealugrid)
+  endforeach()
+endif()

dune/alugrid/test/CMakeLists.txt

@@ -7,8 +7,21 @@ set(TESTS
   test-ball-projection
 )
 
-foreach(TEST ${TESTS})
-  dune_add_test(NAME ${TEST} SOURCES ${TEST}.cc LINK_LIBRARIES dunealugrid)
-endforeach()
+# 2.5 and higher
+if(NOT (("${DUNE_COMMON_VERSION_MAJOR}" STREQUAL "2")
+         AND ("${DUNE_COMMON_VERSION_MINOR}" STREQUAL "4")))
+  foreach(TEST ${TESTS})
+      dune_add_test(NAME ${TEST} SOURCES ${TEST}.cc LINK_LIBRARIES dunealugrid)
+  endforeach()
+else()
+  # dune 2.4
+  dune_register_package_flags(LIBRARIES "${DUNE_ALUGRID_LIBRARY}"
+                              INCLUDE_DIRS "${DUNE_ALUGRID_INCLUDEDIRS}")
+
+  foreach(TEST ${TESTS})
+    add_executable(${TEST} ${TEST}.cc)
+    dune_target_enable_all_packages( ${TEST} )
+  endforeach()
+  endif()
 
 add_subdirectory(dgf)