CMAKE_MINIMUM_REQUIRED(VERSION 2.6)

SET(PROJECT_NAME "GLPK")
PROJECT(${PROJECT_NAME})

IF(EXISTS ${PROJECT_SOURCE_DIR}/cmake/version.cmake)
  INCLUDE(${PROJECT_SOURCE_DIR}/cmake/version.cmake)
ELSEIF(DEFINED ENV{GLPK_VERSION})
  SET(GLPK_VERSION $ENV{GLPK_VERSION} CACHE STRING "GLPK version string.")
ELSE()
  EXECUTE_PROCESS(
    COMMAND ${PYTHON_EXECUTABLE} ./scripts/chg-len.py
    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
    OUTPUT_VARIABLE HG_REVISION_PATH
    ERROR_QUIET
    OUTPUT_STRIP_TRAILING_WHITESPACE
  )
  EXECUTE_PROCESS(
    COMMAND hg id -i
    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
    OUTPUT_VARIABLE HG_REVISION
    ERROR_QUIET
    OUTPUT_STRIP_TRAILING_WHITESPACE
  )
  IF(HG_REVISION STREQUAL "")
    SET(HG_REVISION_ID "hg-tip")
  ELSE()
    IF(HG_REVISION_PATH STREQUAL "")
      SET(HG_REVISION_ID ${HG_REVISION})
    ELSE()
      SET(HG_REVISION_ID ${HG_REVISION_PATH}.${HG_REVISION})
    ENDIF()
  ENDIF()
  SET(GLPK_VERSION ${HG_REVISION_ID} CACHE STRING "GLPK version string.")
ENDIF()

SET(PROJECT_VERSION ${GLPK_VERSION})

SET(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)

IF(DEFINED ENV{GLPK_C_WARNING})
  SET(C_WARNING $ENV{GLPK_C_WARNING})
ELSE()
  IF(CMAKE_COMPILER_IS_GNUC)
    SET(C_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 -ansi -fno-strict-aliasing -Wold-style-cast -Wno-unknown-pragmas")
    SET(CMAKE_C_FLAGS_DEBUG CACHE STRING "-ggdb")
    SET(CMAKE_C_FLAGS_DEBUG CACHE STRING "-ggdb")
  ELSEIF(MSVC)
    # SET(CXX_WARNING "/wd4250 /wd4355 /wd4503 /wd4800 /wd4996")
    # # suppressed warnings:
    # # C4250: 'class1' : inherits 'class2::member' via dominance
    # # 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(C_WARNING "-Wall -W")
  ENDIF()
ENDIF()
SET(GLPK_C_WARNING_FLAGS ${C_WARNING} CACHE STRING "GLPK warning flags.")

SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${GLPK_C_WARNING_FLAGS}")

SET(CMAKE_C_FLAGS_MAINTAINER "-ggdb" CACHE STRING
    "Flags used by the C compiler during maintainer builds."
    FORCE )
SET(CMAKE_EXE_LINKER_FLAGS_MAINTAINER
    "-Wl,--warn-unresolved-symbols,--warn-once" CACHE STRING
    "Flags used for linking binaries during maintainer builds."
    FORCE )
SET(CMAKE_SHARED_LINKER_FLAGS_MAINTAINER
    "-Wl,--warn-unresolved-symbols,--warn-once" CACHE STRING
    "Flags used by the shared libraries linker during maintainer builds."
    FORCE )
MARK_AS_ADVANCED(
    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 )


INCLUDE(CheckTypeSize)
CHECK_TYPE_SIZE("long long" LONG_LONG)
SET(GLPK_HAVE_LONG_LONG ${HAVE_LONG_LONG})

ENABLE_TESTING()

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()

INCLUDE_DIRECTORIES( 
  ${PROJECT_SOURCE_DIR}/include
  ${PROJECT_SOURCE_DIR}/src
)

INCLUDE(FindLATEX)

ADD_SUBDIRECTORY(src)
ADD_SUBDIRECTORY(include)
IF(${CMAKE_SOURCE_DIR} STREQUAL ${PROJECT_SOURCE_DIR})
  ADD_SUBDIRECTORY(examples)
  ADD_SUBDIRECTORY(doc)
ENDIF()

IF(${CMAKE_SOURCE_DIR} STREQUAL ${PROJECT_SOURCE_DIR})
  SET(CPACK_PACKAGE_NAME ${PROJECT_NAME})
  SET(CPACK_PACKAGE_VENDOR "GNU")
  SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY
    "GLPK - GNU Linear Programming Kit")
  SET(CPACK_RESOURCE_FILE_LICENSE "${PROJECT_SOURCE_DIR}/COPYING")

  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}")

  INCLUDE(CPack)

  CPACK_ADD_INSTALL_TYPE(Full)   
  
  CPACK_ADD_COMPONENT(headers
    DISPLAY_NAME "C headers"
    DESCRIPTION "C header files"
    DEPENDS library
    INSTALL_TYPES Full
    )
  CPACK_ADD_COMPONENT(library
    DISPLAY_NAME "Libraries"
    DESCRIPTION "DLL and import library"
    INSTALL_TYPES Full
    )

  CPACK_ADD_COMPONENT(bin
    DISPLAY_NAME "Command line utilities"
    DESCRIPTION "Command line utilities"
    INSTALL_TYPES Full
    )

  SET(CPACK_GENERATOR "NSIS")
  # SET(CPACK_NSIS_MUI_ICON "${PROJECT_SOURCE_DIR}/cmake/nsis/glpk.ico")
  # SET(CPACK_NSIS_MUI_UNIICON "${PROJECT_SOURCE_DIR}/cmake/nsis/uninstall.ico")
  # #SET(CPACK_PACKAGE_ICON "${PROJECT_SOURCE_DIR}/cmake/nsis\\\\installer.bmp")
  # SET(CPACK_NSIS_INSTALLED_ICON_NAME "bin\\\\glpk.ico")
  SET(CPACK_NSIS_DISPLAY_NAME "${CPACK_PACKAGE_INSTALL_DIRECTORY}")
  SET(CPACK_NSIS_HELP_LINK "http:\\\\\\\\www.gnu.org\\\\software\\\\glpk")
  SET(CPACK_NSIS_URL_INFO_ABOUT "http:\\\\\\\\www.gnu.org\\\\software\\\\glpk")
  SET(CPACK_NSIS_CONTACT "mao@gnu.org")
  # 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\\\"
  #   ")

ENDIF()