Print a cmake feature log.

This let's users know when the dependnecies for auto-type are missing.
Available only in cmake >= 2.8.3.

Closes #71

CMakeLists.txt

@@ -203,9 +203,18 @@ endif()
 
 include_directories(SYSTEM ${QT_INCLUDE_DIR} ${GCRYPT_INCLUDE_DIR} ${ZLIB_INCLUDE_DIR})
 
+if(NOT (${CMAKE_VERSION} VERSION_LESS 2.8.3))
+  set(PRINT_SUMMARY ON)
+  include(FeatureSummary)
+endif()
+
 add_subdirectory(src)
 add_subdirectory(share)
 add_subdirectory(utils)
 if(WITH_TESTS)
   add_subdirectory(tests)
 endif(WITH_TESTS)
+
+if(PRINT_SUMMARY)
+  feature_summary(WHAT ALL)
+endif()

src/autotype/CMakeLists.txt

@@ -1,5 +1,8 @@
 if(Q_WS_X11)
   find_package(X11)
+  if(PRINT_SUMMARY)
+    add_feature_info(libXtest X11_XTest_FOUND "The X11 XTEST Protocol library is required for auto-type")
+  endif()
 
   if(X11_FOUND AND X11_XTest_FOUND)
     add_subdirectory(x11)