CMAKE_MINIMUM_REQUIRED(VERSION 2.8)

IF(POLICY CMP0048) 

  CMAKE_POLICY(SET CMP0048 OLD) 

ENDIF(POLICY CMP0048)

IF(POLICY CMP0043) 

  CMAKE_POLICY(SET CMP0043 NEW)

ENDIF(POLICY CMP0043)

IF(POLICY CMP0026)

  #This is for copying the dll's needed by glpk (in lp_test and mip_test)

  CMAKE_POLICY(SET CMP0026 NEW)

ENDIF(POLICY CMP0026)

SET(PROJECT_NAME "LEMON")

PROJECT(${PROJECT_NAME})

INCLUDE(FindPythonInterp)

INCLUDE(FindWget)

IF(EXISTS ${PROJECT_SOURCE_DIR}/cmake/version.cmake)

  INCLUDE(${PROJECT_SOURCE_DIR}/cmake/version.cmake)

ELSEIF(DEFINED ENV{LEMON_VERSION})

  SET(LEMON_VERSION $ENV{LEMON_VERSION} CACHE STRING "LEMON version string.")

ELSE()

  EXECUTE_PROCESS(

    COMMAND

    hg log -r. --template "{latesttag}"

    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}

    OUTPUT_VARIABLE HG_REVISION_TAG

    ERROR_QUIET

    OUTPUT_STRIP_TRAILING_WHITESPACE

  )

  EXECUTE_PROCESS(

    COMMAND

    hg log -r. --template "{latesttagdistance}"

    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}

    OUTPUT_VARIABLE HG_REVISION_DIST

    ERROR_QUIET

    OUTPUT_STRIP_TRAILING_WHITESPACE

  )

  EXECUTE_PROCESS(

    COMMAND

    hg log -r. --template "{node|short}"

    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}

    OUTPUT_VARIABLE HG_REVISION_ID

    ERROR_QUIET

    OUTPUT_STRIP_TRAILING_WHITESPACE

  )

  IF(HG_REVISION_TAG STREQUAL "")

    SET(HG_REVISION_ID "hg-tip")

  ELSE()

    IF(HG_REVISION_TAG STREQUAL "null")

      SET(HG_REVISION_TAG "trunk")

    ELSEIF(HG_REVISION_TAG MATCHES "^r")

      STRING(SUBSTRING ${HG_REVISION_TAG} 1 -1 HG_REVISION_TAG)

    ENDIF()

    IF(HG_REVISION_DIST STREQUAL "0")

      SET(HG_REVISION ${HG_REVISION_TAG})

    ELSE()

      SET(HG_REVISION

	"${HG_REVISION_TAG}+${HG_REVISION_DIST}-${HG_REVISION_ID}")

    ENDIF()

  ENDIF()

  SET(LEMON_VERSION ${HG_REVISION} CACHE STRING "LEMON version string.")

ENDIF()

SET(PROJECT_VERSION ${LEMON_VERSION})

SET(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)

FIND_PACKAGE(Doxygen)

FIND_PACKAGE(Ghostscript)

IF(WIN32)

  SET(LEMON_WIN32 TRUE)

ENDIF(WIN32)

SET(LEMON_ENABLE_GLPK YES CACHE STRING "Enable GLPK solver backend.")

SET(LEMON_ENABLE_ILOG YES CACHE STRING "Enable ILOG (CPLEX) solver backend.")

SET(LEMON_ENABLE_COIN YES CACHE STRING "Enable COIN solver backend.")

SET(LEMON_ENABLE_SOPLEX YES CACHE STRING "Enable SoPlex solver backend.")

IF(LEMON_ENABLE_GLPK) 

  FIND_PACKAGE(GLPK 4.33)

  IF(GLPK_FOUND)

    SET(LEMON_HAVE_LP TRUE)

    SET(LEMON_HAVE_MIP TRUE)

    SET(LEMON_HAVE_GLPK TRUE)

  ENDIF(GLPK_FOUND)

ENDIF(LEMON_ENABLE_GLPK)

IF(LEMON_ENABLE_ILOG)

  FIND_PACKAGE(ILOG)

  IF(ILOG_FOUND)

    SET(LEMON_HAVE_LP TRUE)

    SET(LEMON_HAVE_MIP TRUE)

    SET(LEMON_HAVE_CPLEX TRUE)

  ENDIF(ILOG_FOUND)

ENDIF(LEMON_ENABLE_ILOG)

IF(LEMON_ENABLE_COIN)

  FIND_PACKAGE(COIN)

  IF(COIN_FOUND)

    SET(LEMON_HAVE_LP TRUE)

    SET(LEMON_HAVE_MIP TRUE)

    SET(LEMON_HAVE_CLP TRUE)

    SET(LEMON_HAVE_CBC TRUE)

  ENDIF(COIN_FOUND)

ENDIF(LEMON_ENABLE_COIN)

IF(LEMON_ENABLE_SOPLEX)

  FIND_PACKAGE(SOPLEX)

  IF(SOPLEX_FOUND)

    SET(LEMON_HAVE_LP TRUE)

    SET(LEMON_HAVE_SOPLEX TRUE)

  ENDIF(SOPLEX_FOUND)

ENDIF(LEMON_ENABLE_SOPLEX)

IF(ILOG_FOUND)

  SET(DEFAULT_LP "CPLEX")

  SET(DEFAULT_MIP "CPLEX")

ELSEIF(COIN_FOUND)

  SET(DEFAULT_LP "CLP")

  SET(DEFAULT_MIP "CBC")

ELSEIF(GLPK_FOUND)

  SET(DEFAULT_LP "GLPK")

  SET(DEFAULT_MIP "GLPK")

ELSEIF(SOPLEX_FOUND)

  SET(DEFAULT_LP "SOPLEX")

ENDIF()

IF(NOT LEMON_DEFAULT_LP OR

    (NOT ILOG_FOUND AND (LEMON_DEFAULT_LP STREQUAL "CPLEX")) OR

    (NOT COIN_FOUND AND (LEMON_DEFAULT_LP STREQUAL "CLP")) OR

    (NOT GLPK_FOUND AND (LEMON_DEFAULT_LP STREQUAL "GLPK")) OR

    (NOT SOPLEX_FOUND AND (LEMON_DEFAULT_LP STREQUAL "SOPLEX")))

  SET(LEMON_DEFAULT_LP ${DEFAULT_LP} CACHE STRING

    "Default LP solver backend (GLPK, CPLEX, CLP or SOPLEX)" FORCE)

ELSE()

  SET(LEMON_DEFAULT_LP ${DEFAULT_LP} CACHE STRING

    "Default LP solver backend (GLPK, CPLEX, CLP or SOPLEX)")

ENDIF()

IF(NOT LEMON_DEFAULT_MIP OR

    (NOT ILOG_FOUND AND (LEMON_DEFAULT_MIP STREQUAL "CPLEX")) OR

    (NOT COIN_FOUND AND (LEMON_DEFAULT_MIP STREQUAL "CBC")) OR

    (NOT GLPK_FOUND AND (LEMON_DEFAULT_MIP STREQUAL "GLPK")))

  SET(LEMON_DEFAULT_MIP ${DEFAULT_MIP} CACHE STRING

    "Default MIP solver backend (GLPK, CPLEX or CBC)" FORCE)

ELSE()

  SET(LEMON_DEFAULT_MIP ${DEFAULT_MIP} CACHE STRING

    "Default MIP solver backend (GLPK, CPLEX or CBC)")

ENDIF()

IF( ( ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU") AND

      ("${CMAKE_CXX_COMPILER_VERSION}" VERSION_GREATER_EQUAL "4.8") )

    OR ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")

    OR ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")

    )

  SET(LEMON_NO_UNUSED_LOCAL_TYPEDEF_WARNINGS TRUE)

ENDIF()

IF(DEFINED ENV{LEMON_CXX_WARNING})

  SET(CXX_WARNING $ENV{LEMON_CXX_WARNING})

ELSE()

  IF( ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")

      OR ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")

      )

    SET(CXX_WARNING "-Wall -W -Wunused -Wformat=2 -Wctor-dtor-privacy -Wnon-virtual-dtor -Wno-char-subscripts -Wwrite-strings -Wno-char-subscripts -Wreturn-type -Wcast-qual -Wcast-align -Wsign-promo -Woverloaded-virtual -fno-strict-aliasing -Wold-style-cast -Wno-unknown-pragmas")

    SET(CMAKE_CXX_FLAGS_DEBUG CACHE STRING "-ggdb")

    SET(CMAKE_C_FLAGS_DEBUG CACHE STRING "-ggdb")

  ELSEIF("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Intel")

    SET(CXX_WARNING "-Wall -W -Wunused -Wformat=2 -Wnon-virtual-dtor -Wno-char-subscripts -Wwrite-strings -Wno-char-subscripts -Wreturn-type -Wcast-qual -Wsign-promo -Woverloaded-virtual -fno-strict-aliasing -Wno-unknown-pragmas")

    SET(CMAKE_CXX_FLAGS_DEBUG CACHE STRING "-ggdb")

    SET(CMAKE_C_FLAGS_DEBUG CACHE STRING "-ggdb")

  ELSEIF(MSVC)

    # This part is unnecessary 'casue the same is set by the lemon/core.h.

    # Still kept as an example.

    # SET(CXX_WARNING "/wd4250 /wd4267 /wd4355 /wd4503 /wd4800 /wd4996")

    # Suppressed warnings:

    # C4250: 'class1' : inherits 'class2::member' via dominance

    # C4267: conversion from 'size_t' to 'type', possible loss of data

    # C4355: 'this' : used in base member initializer list

    # C4503: 'function' : decorated name length exceeded, name was truncated

    # C4800: 'type' : forcing value to bool 'true' or 'false'

    #        (performance warning)

    # C4996: 'function': was declared deprecated

  ELSE()

    SET(CXX_WARNING "-Wall")

  ENDIF()

ENDIF()

SET(LEMON_CXX_WARNING_FLAGS ${CXX_WARNING} CACHE STRING "LEMON warning flags.")

SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${LEMON_CXX_WARNING_FLAGS}")

IF(MSVC)

  SET( CMAKE_CXX_FLAGS "/bigobj ${CMAKE_CXX_FLAGS}")

  SET( CMAKE_CXX_FLAGS_MAINTAINER "/WX ${CMAKE_CXX_FLAGS_DEBUG}" CACHE STRING

    "Flags used by the C++ compiler during maintainer builds." FORCE

    )

  SET( CMAKE_C_FLAGS_MAINTAINER "/WX ${CMAKE_CXX_FLAGS_DEBUG}" CACHE STRING

    "Flags used by the C compiler during maintainer builds." FORCE

    )

  SET( CMAKE_EXE_LINKER_FLAGS_MAINTAINER

    "${CMAKE_EXE_LINKER_FLAGS_DEBUG}" CACHE STRING

    "Flags used for linking binaries during maintainer builds." FORCE

    )

  SET( CMAKE_SHARED_LINKER_FLAGS_MAINTAINER

    "${CMAKE_SHARED_LINKER_FLAGS_DEBUG}" CACHE STRING

    "Flags used by the shared libraries linker during maintainer builds."

     FORCE

    )

ELSE()

  SET( CMAKE_CXX_FLAGS_MAINTAINER "-Werror -ggdb -O0" CACHE STRING

    "Flags used by the C++ compiler during maintainer builds." FORCE

    )

  SET( CMAKE_C_FLAGS_MAINTAINER "-Werror -O0" CACHE STRING

    "Flags used by the C compiler during maintainer builds." FORCE

    )

  SET( CMAKE_EXE_LINKER_FLAGS_MAINTAINER

    "${CMAKE_EXE_LINKER_FLAGS_DEBUG}" CACHE STRING

    "Flags used for linking binaries during maintainer builds." FORCE

    )

  SET( CMAKE_SHARED_LINKER_FLAGS_MAINTAINER

    "${CMAKE_SHARED_LINKER_FLAGS_DEBUG}" CACHE STRING

    "Flags used by the shared libraries linker during maintainer builds." FORCE)

ENDIF()

MARK_AS_ADVANCED(

    CMAKE_CXX_FLAGS_MAINTAINER

    CMAKE_C_FLAGS_MAINTAINER

    CMAKE_EXE_LINKER_FLAGS_MAINTAINER

    CMAKE_SHARED_LINKER_FLAGS_MAINTAINER )

IF(CMAKE_CONFIGURATION_TYPES)

  LIST(APPEND CMAKE_CONFIGURATION_TYPES Maintainer)

  LIST(REMOVE_DUPLICATES CMAKE_CONFIGURATION_TYPES)

  SET(CMAKE_CONFIGURATION_TYPES "${CMAKE_CONFIGURATION_TYPES}" CACHE STRING

      "Add the configurations that we need"

      FORCE)

 endif()

IF(NOT CMAKE_BUILD_TYPE)

  SET(CMAKE_BUILD_TYPE "Release")

ENDIF()

SET( CMAKE_BUILD_TYPE "${CMAKE_BUILD_TYPE}" CACHE STRING

    "Choose the type of build, options are: None(CMAKE_CXX_FLAGS or CMAKE_C_FLAGS used) Debug Release RelWithDebInfo MinSizeRel Maintainer."

    FORCE )

SET_DIRECTORY_PROPERTIES(PROPERTIES

  COMPILE_DEFINITIONS

  $<$<OR:$<CONFIG:Debug>,$<CONFIG:Maintainer>>:LEMON_ENABLE_DEBUG>

)

INCLUDE(CheckTypeSize)

CHECK_TYPE_SIZE("long long" LONG_LONG)

SET(LEMON_HAVE_LONG_LONG ${HAVE_LONG_LONG})

INCLUDE(FindThreads)

IF(NOT LEMON_THREADING)

  IF(CMAKE_USE_PTHREADS_INIT)

    SET(LEMON_THREADING "Pthread")

  ELSEIF(CMAKE_USE_WIN32_THREADS_INIT)

    SET(LEMON_THREADING "Win32")

  ELSE()

    SET(LEMON_THREADING "None")

  ENDIF()

ENDIF()

SET( LEMON_THREADING "${LEMON_THREADING}" CACHE STRING

  "Choose the threading library, options are: Pthread Win32 None."

  FORCE )

IF(LEMON_THREADING STREQUAL "Pthread")

  SET(LEMON_USE_PTHREAD TRUE)

ELSEIF(LEMON_THREADING STREQUAL "Win32")

  SET(LEMON_USE_WIN32_THREADS TRUE)

ENDIF()

ENABLE_TESTING()

INCLUDE(CheckCXXCompilerFlag)

CHECK_CXX_COMPILER_FLAG("-std=c++11" LEMON_CXX11)

IF(LEMON_CXX11)

  SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")

ENDIF()

IF(${CMAKE_BUILD_TYPE} STREQUAL "Maintainer")

  ADD_CUSTOM_TARGET(check ALL COMMAND ${CMAKE_CTEST_COMMAND})

ELSE()

  ADD_CUSTOM_TARGET(check COMMAND ${CMAKE_CTEST_COMMAND})

ENDIF()

ADD_SUBDIRECTORY(lemon)

IF(${CMAKE_SOURCE_DIR} STREQUAL ${PROJECT_SOURCE_DIR})

  ADD_SUBDIRECTORY(contrib)

  ADD_SUBDIRECTORY(demo)

  ADD_SUBDIRECTORY(tools)

  ADD_SUBDIRECTORY(doc)

  ADD_SUBDIRECTORY(test)

ENDIF()

CONFIGURE_FILE(

  ${PROJECT_SOURCE_DIR}/cmake/LEMONConfig.cmake.in

  ${PROJECT_BINARY_DIR}/cmake/LEMONConfig.cmake

  @ONLY

)

IF(UNIX)

  INSTALL(

    FILES ${PROJECT_BINARY_DIR}/cmake/LEMONConfig.cmake

    DESTINATION share/lemon/cmake

  )

ELSEIF(WIN32)

  INSTALL(

    FILES ${PROJECT_BINARY_DIR}/cmake/LEMONConfig.cmake

    DESTINATION cmake

  )

ENDIF()

CONFIGURE_FILE(

  ${PROJECT_SOURCE_DIR}/cmake/version.cmake.in

  ${PROJECT_BINARY_DIR}/cmake/version.cmake

  @ONLY

)

SET(ARCHIVE_BASE_NAME ${CMAKE_PROJECT_NAME})

STRING(TOLOWER ${ARCHIVE_BASE_NAME} ARCHIVE_BASE_NAME)

SET(ARCHIVE_NAME ${ARCHIVE_BASE_NAME}-${PROJECT_VERSION})

ADD_CUSTOM_TARGET(dist

  COMMAND cmake -E remove_directory ${ARCHIVE_NAME}

  COMMAND hg archive ${ARCHIVE_NAME}

  COMMAND cmake -E copy cmake/version.cmake ${ARCHIVE_NAME}/cmake/version.cmake

  COMMAND tar -czf ${ARCHIVE_BASE_NAME}-nodoc-${PROJECT_VERSION}.tar.gz ${ARCHIVE_NAME}

  COMMAND zip -r ${ARCHIVE_BASE_NAME}-nodoc-${PROJECT_VERSION}.zip ${ARCHIVE_NAME}

  COMMAND cmake -E copy_directory doc/html ${ARCHIVE_NAME}/doc/html

  COMMAND tar -czf ${ARCHIVE_NAME}.tar.gz ${ARCHIVE_NAME}

  COMMAND zip -r ${ARCHIVE_NAME}.zip ${ARCHIVE_NAME}

  COMMAND cmake -E copy_directory doc/html ${ARCHIVE_BASE_NAME}-doc-${PROJECT_VERSION}

  COMMAND tar -czf ${ARCHIVE_BASE_NAME}-doc-${PROJECT_VERSION}.tar.gz ${ARCHIVE_BASE_NAME}-doc-${PROJECT_VERSION}

  COMMAND zip -r ${ARCHIVE_BASE_NAME}-doc-${PROJECT_VERSION}.zip ${ARCHIVE_BASE_NAME}-doc-${PROJECT_VERSION}

  COMMAND cmake -E remove_directory ${ARCHIVE_NAME}

  COMMAND cmake -E remove_directory ${ARCHIVE_BASE_NAME}-doc-${PROJECT_VERSION}

  DEPENDS html

  WORKING_DIRECTORY ${PROJECT_BINARY_DIR})

# CPACK config (Basically for NSIS)

IF(${CMAKE_SOURCE_DIR} STREQUAL ${PROJECT_SOURCE_DIR})

  SET(CPACK_PACKAGE_NAME ${PROJECT_NAME})

  SET(CPACK_PACKAGE_VENDOR "EGRES")

  SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY

    "LEMON - Library for Efficient Modeling and Optimization in Networks")

  SET(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/LICENSE")

  SET(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})

  SET(CPACK_PACKAGE_INSTALL_DIRECTORY

    "${PROJECT_NAME} ${PROJECT_VERSION}")

  SET(CPACK_PACKAGE_INSTALL_REGISTRY_KEY

    "${PROJECT_NAME} ${PROJECT_VERSION}")

  SET(CPACK_COMPONENTS_ALL headers library html_documentation bin)

  SET(CPACK_COMPONENT_HEADERS_DISPLAY_NAME "C++ headers")

  SET(CPACK_COMPONENT_LIBRARY_DISPLAY_NAME "Dynamic-link library")

  SET(CPACK_COMPONENT_BIN_DISPLAY_NAME "Command line utilities")

  SET(CPACK_COMPONENT_HTML_DOCUMENTATION_DISPLAY_NAME "HTML documentation")

  SET(CPACK_COMPONENT_HEADERS_DESCRIPTION

    "C++ header files")

  SET(CPACK_COMPONENT_LIBRARY_DESCRIPTION

    "DLL and import library")

  SET(CPACK_COMPONENT_BIN_DESCRIPTION

    "Command line utilities")

  SET(CPACK_COMPONENT_HTML_DOCUMENTATION_DESCRIPTION

    "Doxygen generated documentation")

  SET(CPACK_COMPONENT_HEADERS_DEPENDS library)

  SET(CPACK_COMPONENT_HEADERS_GROUP "Development")

  SET(CPACK_COMPONENT_LIBRARY_GROUP "Development")

  SET(CPACK_COMPONENT_HTML_DOCUMENTATION_GROUP "Documentation")

  SET(CPACK_COMPONENT_GROUP_DEVELOPMENT_DESCRIPTION

    "Components needed to develop software using LEMON")

  SET(CPACK_COMPONENT_GROUP_DOCUMENTATION_DESCRIPTION

    "Documentation of LEMON")

  SET(CPACK_ALL_INSTALL_TYPES Full Developer)

  SET(CPACK_COMPONENT_HEADERS_INSTALL_TYPES Developer Full)

  SET(CPACK_COMPONENT_LIBRARY_INSTALL_TYPES Developer Full)

  SET(CPACK_COMPONENT_HTML_DOCUMENTATION_INSTALL_TYPES Full)

  SET(CPACK_GENERATOR "NSIS")

  SET(CPACK_NSIS_MUI_ICON "${PROJECT_SOURCE_DIR}/cmake/nsis/lemon.ico")

  SET(CPACK_NSIS_MUI_UNIICON "${PROJECT_SOURCE_DIR}/cmake/nsis/uninstall.ico")

  #SET(CPACK_PACKAGE_ICON "${PROJECT_SOURCE_DIR}/cmake/nsis\\\\installer.bmp")

  SET(CPACK_NSIS_INSTALLED_ICON_NAME "bin\\\\lemon.ico")

  SET(CPACK_NSIS_DISPLAY_NAME "${CPACK_PACKAGE_INSTALL_DIRECTORY} ${PROJECT_NAME}")

  SET(CPACK_NSIS_HELP_LINK "http:\\\\\\\\lemon.cs.elte.hu")

  SET(CPACK_NSIS_URL_INFO_ABOUT "http:\\\\\\\\lemon.cs.elte.hu")

  SET(CPACK_NSIS_CONTACT "lemon-user@lemon.cs.elte.hu")

  SET(CPACK_NSIS_CREATE_ICONS_EXTRA "

    CreateShortCut \\\"$SMPROGRAMS\\\\$STARTMENU_FOLDER\\\\Documentation.lnk\\\" \\\"$INSTDIR\\\\share\\\\doc\\\\index.html\\\"

    ")

  SET(CPACK_NSIS_DELETE_ICONS_EXTRA "

    !insertmacro MUI_STARTMENU_GETFOLDER Application $MUI_TEMP

    Delete \\\"$SMPROGRAMS\\\\$MUI_TEMP\\\\Documentation.lnk\\\"

    ")

  INCLUDE(CPack)

ENDIF()