cmake support: first cut from David Vaz work.i

packages/gecode/CMakeLists.txt

@@ -0,0 +1,18 @@
+#TODO: change macro_log_feature to check both WITH_{$name} and ${name}_FOUND
+#TODO: improve FindGecode.cmake to be similar to other Find*.cmake
+#CHECK: GECODE
+macro_optional_find_package (Gecode ON)
+macro_log_feature (GECODE_FOUND "libgecode" 
+  "Use Generic Constraint Development Environment (GECODE) library" 
+  "http://www.gecode.org" FALSE)
+if (GECODE_FOUND)
+  #DEFINES:
+  #   GECODE_INCLUDE_DIR
+  #   GECODE_VERSION
+  #   GECODE_LIBRARIES
+
+  #set (EXTRALIBS gecode)
+
+  #include_directories (${GECODE_INCLUDE_DIR})
+  #set (EXTRALIBS ${EXTRALIBS} ${GECODE_LIBRARIES})
+endif (GECODE_FOUND)