message: Xcode works very well now.
diff: @@ -156,10 +156,7 @@ include(cmake/utils.cmake)
  #------------------------------------------------------------------------------------------------
  # Platform dependent settings
  -if(WIN32)
  - # Select the CMAKE_CONFIGURATION_TYPES from Visual Studio
  - set(COMPILATION_OPTION --config ${CMAKE_CFG_INTDIR})
  -elseif(UNIX)
  +if(CMAKE_GENERATOR STREQUAL "Unix Makefiles")
  set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
  add_compile_options(-Wall -Wextra -Wno-long-long -Wconversion)
  @@ -198,13 +195,13 @@ elseif(UNIX)
  file(STRINGS "${cpuinfo_file}" procs REGEX "^processor.: [0-9]+$")
  list(LENGTH procs PROCESSOR_COUNT)
  endif()
  - # TODO TO FIX ASAP
  - message(STATUS "Nb cpu ${PROCESSOR_COUNT}")
  - #set(COMPILATION_OPTION -- -j${PROCESSOR_COUNT})
  -else(WIN32)
  - # Nothing else really supported
  - message(FATAL_ERROR "Your platform is not supported. Please modify the cmakelist file.")
  -endif(WIN32)
  + set(COMPILATION_OPTION -- -j${PROCESSOR_COUNT})
  +else(CMAKE_GENERATOR STREQUAL "Unix Makefiles")
  + # Select the CMAKE_CONFIGURATION_TYPES from Visual Studio or Xcode.
  + # This enables in particular that dependencies of RINGMesh (e.g., geogram, zlib, etc.)
  + # are automatically built with the same build type as RINGMesh.
  + set(COMPILATION_OPTION --config ${CMAKE_CFG_INTDIR})
  +endif(CMAKE_GENERATOR STREQUAL "Unix Makefiles")
  #------------------------------------------------------------------------------------------------
  # Compil Third Parties
  