cmake_minimum_required (VERSION 2.6)
project (xgboost)
find_package(OpenMP)

set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS} -fPIC")

# Make sure we are using C++11
# Visual Studio 12.0 and newer supports enough c++11 to make this work
if(MSVC)
  if(MSVC_VERSION LESS 1800)
    message(STATUS "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.")
  endif()
else()
  # GCC 4.6 with c++0x supports enough to make this work
  include(CheckCXXCompilerFlag)
  CHECK_CXX_COMPILER_FLAG("-std=c++11" COMPILER_SUPPORTS_CXX11)
  CHECK_CXX_COMPILER_FLAG("-std=c++0x" COMPILER_SUPPORTS_CXX0X)

  if(COMPILER_SUPPORTS_CXX11)
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
  elseif(COMPILER_SUPPORTS_CXX0X)
    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++0x")
  else()
    message(STATUS "The compiler ${CMAKE_CXX_COMPILER} has no C++11 support. Please use a different C++ compiler.")
  endif()
endif()


#Make sure we are using the static runtime
if(MSVC)
	set(variables
		CMAKE_C_FLAGS_DEBUG
		CMAKE_C_FLAGS_MINSIZEREL
		CMAKE_C_FLAGS_RELEASE
		CMAKE_C_FLAGS_RELWITHDEBINFO
		CMAKE_CXX_FLAGS_DEBUG
		CMAKE_CXX_FLAGS_MINSIZEREL
		CMAKE_CXX_FLAGS_RELEASE
		CMAKE_CXX_FLAGS_RELWITHDEBINFO
	)
	foreach(variable ${variables})
		if(${variable} MATCHES "/MD")
			string(REGEX REPLACE "/MD" "/MT" ${variable} "${${variable}}")
		endif()
	endforeach()
endif()

include_directories (
	${PROJECT_SOURCE_DIR}/include 
	${PROJECT_SOURCE_DIR}/dmlc-core/include
	${PROJECT_SOURCE_DIR}/rabit/include 
	)

file(GLOB SOURCES 
	src/c_api/*.cc
	src/common/*.cc
	src/data/*.cc
	src/gbm/*.cc
	src/metric/*.cc
	src/objective/*.cc
	src/tree/*.cc
	src/*.cc
)

set(RABIT_SOURCES
	rabit/src/allreduce_base.cc
	rabit/src/allreduce_robust.cc
	rabit/src/engine.cc
	rabit/src/c_api.cc
)


add_subdirectory(dmlc-core) 

add_library(rabit STATIC ${RABIT_SOURCES})

add_executable(xgboost-bin ${SOURCES})
SET_TARGET_PROPERTIES(xgboost-bin PROPERTIES OUTPUT_NAME xgboost)
add_library(xgboost SHARED ${SOURCES})

target_link_libraries(xgboost-bin dmlccore rabit)
target_link_libraries(xgboost dmlccore rabit)