[CMake] Correct packaging of the utils section

CMakeLists.txt

@@ -316,8 +316,6 @@ ADD_SUBDIRECTORY(src)
 ADD_SUBDIRECTORY(unittest)
 ADD_SUBDIRECTORY(benchmark)
 
-IF(BUILD_UTILS)
-  ADD_SUBDIRECTORY(utils)
-ENDIF(BUILD_UTILS)
+ADD_SUBDIRECTORY(utils)
 
 SETUP_PROJECT_FINALIZE()

utils/CMakeLists.txt

 #
-# Copyright (c) 2015 CNRS
+# Copyright (c) 2015-2016 CNRS
 #
 # This file is part of Pinocchio
 # pinocchio is free software: you can redistribute it
@@ -18,13 +18,28 @@
 # --- MACROS ------------------------------------------------------------------
 # --- MACROS ------------------------------------------------------------------
 MACRO(ADD_UTIL NAME UTIL_SRC PKGS)
-  ADD_EXECUTABLE(${NAME} ${UTIL_SRC})
+
+  IF(BUILD_UTILS)
+    ADD_EXECUTABLE(${NAME} ${UTIL_SRC})
+  ELSE(BUILD_UTILS)
+    ADD_EXECUTABLE(${NAME} EXCLUDE_FROM_ALL ${UTIL_SRC})
+  ENDIF(BUILD_UTILS)
+
   FOREACH(PKG ${PKGS})
     PKG_CONFIG_USE_DEPENDENCY(${NAME} ${PKG})
   ENDFOREACH(PKG)
   TARGET_LINK_LIBRARIES (${NAME} ${Boost_LIBRARIES} ${PROJECT_NAME})
+  TARGET_LINK_BOOST_PYTHON(${NAME})
+  IF(BUILD_PYTHON_INTERFACE)
+    TARGET_LINK_LIBRARIES(${NAME} ${PYTHON_LIBRARIES})
+  ENDIF(BUILD_PYTHON_INTERFACE)
+
   ADD_DEPENDENCIES(utils ${NAME})
-  INSTALL(TARGETS ${NAME} DESTINATION bin)
+
+  IF(BUILD_UTILS)
+    INSTALL(TARGETS ${NAME} DESTINATION bin)
+  ENDIF(BUILD_UTILS)
+
 ENDMACRO(ADD_UTIL)
 
 # --- RULES -------------------------------------------------------------------