# Copyright (C) 2008-2016 TrinityCore <http://www.trinitycore.org/>
#
# This file is free software; as a special exception the author gives
# unlimited permission to copy and/or distribute it, with or without
# modifications, as long as this notice is preserved.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY, to the extent permitted by law; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

if(WIN32)
 set(BOOST_DEBUG ON)
  if(DEFINED ENV{BOOST_ROOT})
    set(BOOST_ROOT $ENV{BOOST_ROOT})
    if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.0)
      set(BOOST_LIBRARYDIR ${BOOST_ROOT}/lib${PLATFORM}-msvc-12.0)
    else()
      set(BOOST_LIBRARYDIR ${BOOST_ROOT}/lib${PLATFORM}-msvc-14.0)
    endif()
  else()
    message(FATAL_ERROR "No BOOST_ROOT environment variable could be found! Please make sure it is set and the points to your Boost installation.")
  endif()

  set(Boost_USE_STATIC_LIBS        ON)
  set(Boost_USE_MULTITHREADED      ON)
  set(Boost_USE_STATIC_RUNTIME     OFF)
endif()

find_package(Boost 1.51 REQUIRED system filesystem thread program_options iostreams regex)

# Find if Boost was compiled in C++03 mode because it requires -DBOOST_NO_CXX11_SCOPED_ENUMS

include (CheckCXXSourceCompiles)

set(CMAKE_REQUIRED_INCLUDES ${Boost_INCLUDE_DIR})
set(CMAKE_REQUIRED_LIBRARIES ${Boost_SYSTEM_LIBRARY} ${Boost_FILESYSTEM_LIBRARY} ${Boost_IOSTREAMS_LIBRARY})
set(CMAKE_REQUIRED_FLAGS "-std=c++11")
unset(boost_filesystem_copy_links_without_NO_SCOPED_ENUM CACHE)
check_cxx_source_compiles("
  #include <boost/filesystem/path.hpp>
  #include <boost/filesystem/operations.hpp>
  int main() { boost::filesystem::copy_file(boost::filesystem::path(), boost::filesystem::path()); }"
boost_filesystem_copy_links_without_NO_SCOPED_ENUM)
unset(CMAKE_REQUIRED_INCLUDES CACHE)
unset(CMAKE_REQUIRED_LIBRARIES CACHE)
unset(CMAKE_REQUIRED_FLAGS CACHE)

if (NOT boost_filesystem_copy_links_without_NO_SCOPED_ENUM)
  set(OPTIONAL_BOOST_NO_SCOPED_ENUMS -DBOOST_NO_CXX11_SCOPED_ENUMS)
endif()

add_library(boost INTERFACE)

target_link_libraries(boost
  INTERFACE
    ${Boost_LIBRARIES})

target_include_directories(boost
  INTERFACE
    ${Boost_INCLUDE_DIRS})

target_compile_definitions(boost
  INTERFACE
    -DBOOST_DATE_TIME_NO_LIB
    -DBOOST_REGEX_NO_LIB
    -DBOOST_CHRONO_NO_LIB
    ${OPTIONAL_BOOST_NO_SCOPED_ENUMS})