set(Protobuf_DIR "${CMAKE_SOURCE_DIR}/cmake_modules")

find_package(Protobuf REQUIRED)

if (PROTOBUF_FOUND)

	ADD_DEFINITIONS(-DWITH_PROTOBUF)

	include_directories(${PROTOBUF_INCLUDE_DIRS})

	message("Spectrum Java/Python network protocol : yes")

else()

	message("Spectrum Java/Python network protocol : no (install Google Protocol Buffers)")

endif()

# Locate and configure the Google Protocol Buffers library.

# Defines the following variables:

#

#   PROTOBUF_FOUND - Found the Google Protocol Buffers library

#   PROTOBUF_INCLUDE_DIRS - Include directories for Google Protocol Buffers

#   PROTOBUF_LIBRARIES - The protobuf library

#

# The following cache variables are also defined:

#   PROTOBUF_LIBRARY - The protobuf library

#   PROTOBUF_PROTOC_LIBRARY   - The protoc library

#   PROTOBUF_INCLUDE_DIR - The include directory for protocol buffers

#   PROTOBUF_PROTOC_EXECUTABLE - The protoc compiler

#

#  ====================================================================

#  Example:

#

#   find_package(Protobuf REQUIRED)

#   include_directories(${PROTOBUF_INCLUDE_DIRS})

#

#   include_directories(${CMAKE_CURRENT_BINARY_DIR})

#   PROTOBUF_GENERATE_CPP(PROTO_SRCS PROTO_HDRS foo.proto)

#   add_executable(bar bar.cc ${PROTO_SRCS} ${PROTO_HDRS})

#   target_link_libraries(bar ${PROTOBUF_LIBRARY})

#

# NOTE: You may need to link against pthreads, depending

# on the platform.

#  ====================================================================

#

# PROTOBUF_GENERATE_CPP (public function)

#   SRCS = Variable to define with autogenerated

#          source files

#   HDRS = Variable to define with autogenerated

#          header files

#   ARGN = proto files

#

#  ====================================================================

#=============================================================================

# Copyright 2009 Kitware, Inc.

# Copyright 2009 Philip Lowman <philip@yhbt.com>

# Copyright 2008 Esben Mose Hansen, Ange Optimization ApS

#

# Distributed under the OSI-approved BSD License (the "License");

# see accompanying file Copyright.txt for details.

#

# This software is distributed WITHOUT ANY WARRANTY; without even the

# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

# See the License for more information.

#=============================================================================

# (To distributed this file outside of CMake, substitute the full

#  License text for the above reference.)

function(PROTOBUF_GENERATE_CPP SRCS HDRS)

  if(NOT ARGN)

    message(SEND_ERROR "Error: PROTOBUF_GENERATE_CPP() called without any proto files")

    return()

  endif(NOT ARGN)

  set(${SRCS})

  set(${HDRS})

  foreach(FIL ${ARGN})

    get_filename_component(ABS_FIL ${FIL} ABSOLUTE)

    get_filename_component(FIL_WE ${FIL} NAME_WE)

    list(APPEND ${SRCS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc")

    list(APPEND ${HDRS} "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h")

    add_custom_command(

      OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.cc"

             "${CMAKE_CURRENT_BINARY_DIR}/${FIL_WE}.pb.h"

      COMMAND  ${PROTOBUF_PROTOC_EXECUTABLE}

      ARGS --cpp_out  ${CMAKE_CURRENT_BINARY_DIR} --proto_path ${CMAKE_CURRENT_SOURCE_DIR} ${ABS_FIL}

      DEPENDS ${ABS_FIL}

      COMMENT "Running C++ protocol buffer compiler on ${FIL}"

      VERBATIM )

  endforeach()

  set_source_files_properties(${${SRCS}} ${${HDRS}} PROPERTIES GENERATED TRUE)

  set(${SRCS} ${${SRCS}} PARENT_SCOPE)

  set(${HDRS} ${${HDRS}} PARENT_SCOPE)

endfunction()

find_path(PROTOBUF_INCLUDE_DIR google/protobuf/service.h)

# Google's provided vcproj files generate libraries with a "lib"

# prefix on Windows

if(WIN32)

    set(PROTOBUF_ORIG_FIND_LIBRARY_PREFIXES "${CMAKE_FIND_LIBRARY_PREFIXES}")

    set(CMAKE_FIND_LIBRARY_PREFIXES "lib" "")

endif()

find_library(PROTOBUF_LIBRARY NAMES protobuf

             DOC "The Google Protocol Buffers Library"

)

find_library(PROTOBUF_PROTOC_LIBRARY NAMES protoc

             DOC "The Google Protocol Buffers Compiler Library"

)

find_program(PROTOBUF_PROTOC_EXECUTABLE NAMES protoc

             DOC "The Google Protocol Buffers Compiler"

)

mark_as_advanced(PROTOBUF_INCLUDE_DIR

                 PROTOBUF_LIBRARY

                 PROTOBUF_PROTOC_LIBRARY

                 PROTOBUF_PROTOC_EXECUTABLE)

# Restore original find library prefixes

if(WIN32)

    set(CMAKE_FIND_LIBRARY_PREFIXES "${PROTOBUF_ORIG_FIND_LIBRARY_PREFIXES}")

endif()

include(FindPackageHandleStandardArgs)

FIND_PACKAGE_HANDLE_STANDARD_ARGS(PROTOBUF DEFAULT_MSG

    PROTOBUF_LIBRARY PROTOBUF_INCLUDE_DIR)

if(PROTOBUF_FOUND)

    set(PROTOBUF_INCLUDE_DIRS ${PROTOBUF_INCLUDE_DIR})

    set(PROTOBUF_LIBRARIES    ${PROTOBUF_LIBRARY})

endif()