cmake_minimum_required(VERSION 2.6)
if(CMAKE_MAJOR_VERSION EQUAL 2 AND ((CMAKE_MINOR_VERSION EQUAL 8 AND CMAKE_PATCH_VERSION GREATER 1) OR CMAKE_MINOR_VERSION GREATER 8))
  cmake_policy(SET CMP0015 OLD)
endif()

project (RDKit)

IF(NOT CMAKE_BUILD_TYPE)
  SET(CMAKE_BUILD_TYPE Release CACHE STRING
      "Choose the type of build, options are: None Debug Release RelWithDebInfo MinSizeRel."
      FORCE)
ENDIF(NOT CMAKE_BUILD_TYPE)

enable_testing()

set(CMAKE_MODULE_PATH
    ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/Code/cmake/Modules/")

option(RDK_BUILD_SWIG_WRAPPERS "build the SWIG wrappers" OFF )
option(RDK_BUILD_PYTHON_WRAPPERS "build the standard python wrappers" ON )
option(RDK_BUILD_COMPRESSED_SUPPLIERS "build in support for compressed MolSuppliers" OFF )
option(RDK_BUILD_INCHI_SUPPORT "build the rdkit inchi wrapper" OFF )
option(RDK_BUILD_AVALON_SUPPORT "install support for the avalon toolkit. Use the variable AVALONTOOLS_DIR to set the location of the source." OFF )
option(RDK_BUILD_PGSQL "build the PostgreSQL cartridge" OFF )
option(RDK_PGSQL_STATIC "statically link rdkit libraries into the PostgreSQL cartridge" ON )
option(RDK_BUILD_CONTRIB "build the Contrib directory" OFF )
option(RDK_INSTALL_INTREE "install the rdkit in the source tree (former behavior)" ON )
option(RDK_INSTALL_STATIC_LIBS "install the rdkit static libraries" ON )
option(RDK_BUILD_THREADSAFE_SSS "enable thread-safe substructure searching (requires boost.thread)" ON )
option(RDK_BUILD_SLN_SUPPORT "include support for the SLN format" ON )
option(RDK_TEST_MULTITHREADED "run some tests of multithreading" ON )
option(RDK_BUILD_SWIG_JAVA_WRAPPER "build the SWIG JAVA wrappers (does nothing if RDK_BUILD_SWIG_WRAPPERS is not set)" ON )
option(RDK_BUILD_SWIG_CSHARP_WRAPPER "build the experimental SWIG C# wrappers (does nothing if RDK_BUILD_SWIG_WRAPPERS is not set)" OFF )
option(RDK_TEST_MMFF_COMPLIANCE "run MMFF compliance tests (requires tar/gzip)" ON )
option(RDK_BUILD_CPP_TESTS "build the c++ tests (disabing can speed up builds" ON)
option(RDK_USE_FLEXBISON "use flex/bison, if available, to build the SMILES/SMARTS/SLN parsers" OFF)
option(RDK_TEST_COVERAGE "Use G(L)COV to compute test coverage" OFF)
option(RDK_USE_BOOST_SERIALIZATION "Use the boost serialization library if available" ON)
option(RDK_BUILD_TEST_GZIP "Build the gzip'd stream test" OFF)
option(RDK_OPTIMIZE_NATIVE "Use native features while compiling." ON)
option(RDK_USE_STRICT_ROTOR_DEFINITION "Use the most strict rotatable bond definition" ON)
option(RDK_BUILD_DESCRIPTORS3D "Build the 3D descriptors calculators, requires Eigen3 to be installed" ON)
if(NOT MSVC)
  if(RDK_OPTIMIZE_NATIVE)
      set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mpopcnt")
  endif()
endif()

if(RDK_BUILD_SWIG_WRAPPERS!=ON)
  set(RDK_BUILD_SWIG_JAVA_WRAPPER OFF)
  set(RDK_BUILD_SWIG_CSHARP_WRAPPER OFF)
endif()

if(RDK_PGSQL_STATIC AND RDK_BUILD_PGSQL)
  if(NOT RDK_INSTALL_STATIC_LIBS)
    message("Enabling RDK_INSTALL_STATIC_LIBS because RDK_PGSQL_STATIC is set.")
    set(RDK_INSTALL_STATIC_LIBS ON CACHE BOOL "install the rdkit static libraries" FORCE)
  endif(NOT RDK_INSTALL_STATIC_LIBS)
endif()

include(TestBigEndian)
TEST_BIG_ENDIAN(RDK_BIG_ENDIAN)

# At build time put runtime binaries in the bin subdirectory
set(RDK_RUNTIME_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/bin")
set(RDK_LIBRARY_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/lib")
set(RDK_ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/lib")
# Also place the python extension where the source tree would expect them
set(RDK_PYTHON_OUTPUT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/rdkit")

#-------
# Config variables:
set(RDKit_Year "2016")
set(RDKit_Month "09")
set(RDKit_Revision "4")
set(RDKit_ABI "1")

set(RDKit_CodeDir "${CMAKE_CURRENT_SOURCE_DIR}/Code")
set(RDKit_ExternalDir "${CMAKE_CURRENT_SOURCE_DIR}/External")

if(RDK_INSTALL_INTREE)
  set(RDKit_BinDir "${CMAKE_SOURCE_DIR}/bin")
  set(RDKit_LibDir "${CMAKE_SOURCE_DIR}/lib")
  set(RDKit_HdrDir "Code") # used in rdkit-config.cmake, path prefix not needed.
else(RDK_INSTALL_INTREE)
  set(RDKit_BinDir "bin")
  set(RDKit_LibDir "lib${LIB_SUFFIX}")
  set(RDKit_HdrDir "include/rdkit")
  set(RDKit_ShareDir "share/RDKit")
endif(RDK_INSTALL_INTREE)

if(RDK_BUILD_SWIG_WRAPPERS)
  set(RDKit_JavaLibDir "${RDKit_ExternalDir}/java_lib")
endif(RDK_BUILD_SWIG_WRAPPERS)

if(CMAKE_SIZEOF_VOID_P MATCHES 4)
  ADD_DEFINITIONS("-DRDK_32BIT_BUILD")
else()
  ADD_DEFINITIONS("-DRDK_64BIT_BUILD")
endif()

if(MINGW)
  ADD_DEFINITIONS("-DBOOST_SYSTEM_NO_DEPRECATED")
endif(MINGW)

# defines macros: rdkit_python_extension, rdkit_test
include(RDKitUtils)
install(EXPORT ${RDKit_EXPORTED_TARGETS} DESTINATION ${RDKit_LibDir})

# create and install package configuration and version files
configure_file (
    ${RDKit_SOURCE_DIR}/rdkit-config.cmake.in
    ${RDKit_BINARY_DIR}/rdkit-config.cmake @ONLY)

configure_file (
    ${RDKit_SOURCE_DIR}/rdkit-config-version.cmake.in
    ${RDKit_BINARY_DIR}/rdkit-config-version.cmake @ONLY)

install(FILES
    ${RDKit_BINARY_DIR}/rdkit-config.cmake
    ${RDKit_BINARY_DIR}/rdkit-config-version.cmake
    DESTINATION ${RDKit_LibDir})

# extra boost versions
if(MSVC)
  SET(Boost_ADDITIONAL_VERSIONS "1.48" "1.48.0" "1.45" "1.45.0" "1.44" "1.44.0" "1.43" "1.43.0" "1.42" "1.42.0" "1.41" "1.41.0" "1.40" "1.40.0")
  ADD_DEFINITIONS("-DBOOST_ALL_NO_LIB")
endif(MSVC)

if(RDK_BUILD_INCHI_SUPPORT)
  find_package(Inchi)
endif(RDK_BUILD_INCHI_SUPPORT)

if(RDK_BUILD_PYTHON_WRAPPERS)
  #-------
  # pull in python:
  find_package(PythonInterp)
  if (PYTHONINTERP_FOUND AND NOT Python_ADDITIONAL_VERSIONS)
    set(Python_ADDITIONAL_VERSIONS "${PYTHON_VERSION_MAJOR}.${PYTHON_VERSION_MINOR}")
  endif (PYTHONINTERP_FOUND AND NOT Python_ADDITIONAL_VERSIONS)
  find_package(PythonLibs)
  if(CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION EQUAL 6)
    include_directories(${PYTHON_INCLUDE_PATH})
  else(CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION EQUAL 6)
    include_directories(${PYTHON_INCLUDE_DIR})
  endif(CMAKE_MAJOR_VERSION EQUAL 2 AND CMAKE_MINOR_VERSION EQUAL 6)
  find_package(NumPy REQUIRED)
  include_directories(${PYTHON_NUMPY_INCLUDE_PATH})

  if(PYTHON_VERSION_MAJOR EQUAL 3)
    # Find boost-python3 using name specified as command line option then fall back to commonly used names
    set(RDK_BOOST_PYTHON3_NAME "python3" CACHE STRING "Name of the boost python3 library. If installed as libboost_python-xxx.so, use python-xxx.")
    foreach(Boost_Python_Lib "${RDK_BOOST_PYTHON3_NAME}" "python-py3${PYTHON_VERSION_MINOR}" "python3")
      find_package(Boost 1.45.0 COMPONENTS "${Boost_Python_Lib}" QUIET)
      if(Boost_FOUND)
        break()
      endif()
    endforeach()
    # If boost-python3 not found, just find boost-python and hope that it is compatible with python3
    if(NOT Boost_FOUND)
      find_package(Boost 1.45.0 COMPONENTS python REQUIRED)
    endif()
  else(PYTHON_VERSION_MAJOR EQUAL 3)
     find_package(Boost 1.39.0 COMPONENTS python REQUIRED)
  endif(PYTHON_VERSION_MAJOR EQUAL 3)


  if(RDK_INSTALL_INTREE)
    set(RDKit_PythonDir "${CMAKE_SOURCE_DIR}/rdkit")
  else(RDK_INSTALL_INTREE)
    if (NOT PYTHON_INSTDIR)
      # Determine correct installation directory for Python bindings
      # From http://plplot.svn.sourceforge.net/viewvc/plplot/trunk/cmake/modules/python.cmake?revision=11014
      execute_process(
        COMMAND
        ${PYTHON_EXECUTABLE} -c "from __future__ import print_function; from distutils import sysconfig; print(sysconfig.get_python_lib(1,0,prefix='${CMAKE_INSTALL_PREFIX}'))"
        OUTPUT_VARIABLE PYTHON_INSTDIR
        OUTPUT_STRIP_TRAILING_WHITESPACE
      )
    endif (NOT PYTHON_INSTDIR)
    message("Python Install directory ${PYTHON_INSTDIR}")
    install(DIRECTORY rdkit DESTINATION ${PYTHON_INSTDIR}
      COMPONENT python
      PATTERN ".svn" EXCLUDE
      PATTERN "test_data" EXCLUDE
      PATTERN "testData" EXCLUDE
      PATTERN "test_list*" EXCLUDE
      PATTERN "CMake*" EXCLUDE
      PATTERN "Basement" EXCLUDE
      PATTERN "UnitTest*" EXCLUDE
      )
    set(RDKit_PythonDir "${PYTHON_INSTDIR}/rdkit")
  endif(RDK_INSTALL_INTREE)

else(RDK_BUILD_PYTHON_WRAPPERS)
  find_package(Boost 1.39.0 REQUIRED)
endif(RDK_BUILD_PYTHON_WRAPPERS)

if(APPLE)
  # always required
  set(T_LIBS ${Boost_LIBRARIES})
  find_package(Boost 1.39.0 COMPONENTS regex REQUIRED)

  # reset boost libraries so python is still there
  #  if it had been found before
  set(Boost_LIBRARIES ${T_LIBS})

  MESSAGE("== OSX: CHECKING for libc++")
  execute_process( COMMAND /usr/bin/otool "-L" "${Boost_REGEX_LIBRARY_RELEASE}"
                   OUTPUT_VARIABLE LIBCPP
                   ERROR_VARIABLE ERR)

  if(LIBCPP MATCHES ".*libc[+][+].*")
     MESSAGE("== BOOST USES LIBC++")
     SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -stdlib=libc++")
   else()
     MESSAGE("== BOOST USES STDLIBC++")
     if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
       SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -stdlib=libstdc++")
     endif()
     # FOR CXX11 support SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
  endif()
endif(APPLE)

include_directories(SYSTEM ${Boost_INCLUDE_DIRS})
link_directories(${Boost_LIBRARY_DIRS})

include_directories(${RDKit_CodeDir})


# Detect clang, which masquerades as gcc.  CMake 2.6 doesn't know how to
# detect it.
string(REGEX MATCH "clang" CMAKE_COMPILER_IS_CLANG "${CMAKE_C_COMPILER}")

if(RDK_BUILD_DESCRIPTORS3D)
  find_package(Eigen3)
  if(EIGEN3_FOUND)
    ADD_DEFINITIONS("-DRDK_HAS_EIGEN3" "-DRDK_BUILD_DESCRIPTORS3D")
    include_directories(${EIGEN3_INCLUDE_DIR})
  else(EIGEN3_FOUND)
    message("Eigen3 not found, disabling the Descriptors3D build.")
    set(RDK_BUILD_DESCRIPTORS3D OFF)
  endif(EIGEN3_FOUND)
endif(RDK_BUILD_DESCRIPTORS3D)


find_package (Threads)
if(RDK_BUILD_THREADSAFE_SSS)
  set(T_LIBS ${Boost_LIBRARIES})
  find_package(Boost 1.39.0 COMPONENTS thread system)
  if(Boost_THREAD_FOUND AND Boost_SYSTEM_FOUND)
    set(Boost_LIBRARIES ${T_LIBS} ${Boost_LIBRARIES})
    ADD_DEFINITIONS("-DRDK_THREADSAFE_SSS -DBOOST_ALL_NO_LIB")
    set(RDKit_THREAD_LIBS ${Boost_THREAD_LIBRARY} ${Boost_SYSTEM_LIBRARY} ${CMAKE_THREAD_LIBS_INIT})
    if(RDK_TEST_MULTITHREADED)
      ADD_DEFINITIONS("-DRDK_TEST_MULTITHREADED")
    endif()
  else()
    message("Boost thread or system not found. Disabling RDK_BUILD_THREADSAFE_SSS.")
    set(RDK_BUILD_THREADSAFE_SSS OFF)
    set(RDK_TEST_MULTITHREADED OFF)
    set(RDKit_THREAD_LIBS ${CMAKE_THREAD_LIBS_INIT})
  endif()
else()
  set(RDKit_THREAD_LIBS ${CMAKE_THREAD_LIBS_INIT})
  if(RDK_TEST_MULTITHREADED)
    message("RDK_TEST_MULTITHREADED does not make sense without RD_BUILD_THREADSAFE_SSS, disabling it.")
    set(RDK_TEST_MULTITHREADED OFF)
  endif()
endif()

if(RDK_USE_BOOST_SERIALIZATION)
    set(T_LIBS ${Boost_LIBRARIES})
    find_package(Boost 1.39.0 COMPONENTS serialization)
    if (Boost_SERIALIZATION_LIBRARY)
      set(Boost_LIBRARIES ${T_LIBS} ${Boost_LIBRARIES})
    endif()
endif()

if(RDK_BUILD_PGSQL)
  find_package(PostgreSQL REQUIRED)
endif(RDK_BUILD_PGSQL)

# setup our compiler flags:
if (RDK_TEST_COVERAGE)
 if (NOT RDK_USE_FLEXBISON)
   message(FATAL_ERROR, "Test coverage doesn't current work unless FLEX and BISON are run.")
 endif(NOT RDK_USE_FLEXBISON)

 message("====== Installing test coverage support ======")
 message("  To run:")
 message("   make install")
 message("   make RDKit_coverage")
 message("")
 message(" open <build_dir>/coverage/index.html")
 message("")
 message(" If any of the RDKit tests fail, coverage will probably not be generated.")
 message("====== Installing test coverage support ======")
 message("")

 INCLUDE(CodeCoverage)
 SET(CMAKE_CXX_FLAGS "-g -O0 -fprofile-arcs -ftest-coverage")
 SET(CMAKE_C_FLAGS "-g -O0 -fprofile-arcs -ftest-coverage")
 message("== setup_target_for_coverage(${PROJECT_NAME}_coverage test coverage)")
 setup_target_for_coverage(${PROJECT_NAME}_coverage ctest coverage)

else(RDK_TEST_COVERAGE)
 if(CMAKE_COMPILER_IS_GNUCXX)
   # We don't on C_FLAGS warnings to keep Avalon compiling quiet
   SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-deprecated -Wno-unused-function -fno-strict-aliasing -fPIC")
   SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-deprecated -Wno-unused-function -fno-strict-aliasing -fPIC -Wall -Wextra")
 endif()
 if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
   # We don't on C_FLAGS warnings to keep Avalon compiling quiet
   SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-array-bounds -fPIC")
   SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Wno-unused-local-typedef -Wno-deprecated -Wno-unused-function -fno-strict-aliasing -fPIC")
 endif()
endif(RDK_TEST_COVERAGE)

if(NOT RDK_INSTALL_INTREE)
  install(DIRECTORY Data DESTINATION
      ${RDKit_ShareDir}
      COMPONENT data
      PATTERN ".svn" EXCLUDE
      )
  install(DIRECTORY Docs DESTINATION
      ${RDKit_ShareDir}
      COMPONENT docs
      PATTERN ".svn" EXCLUDE
      PATTERN "_build" EXCLUDE
      )
  install(DIRECTORY Contrib DESTINATION
      ${RDKit_ShareDir}
      COMPONENT extras
      PATTERN ".svn" EXCLUDE
      )
  if(RDK_BUILD_PYTHON_WRAPPERS)
    install(DIRECTORY Projects DESTINATION
        ${RDKit_ShareDir}
        COMPONENT extras
        PATTERN ".svn" EXCLUDE
        PATTERN "test_list*" EXCLUDE
        PATTERN "CMake*" EXCLUDE
        )
  endif(RDK_BUILD_PYTHON_WRAPPERS)
  install(FILES README license.txt
          DESTINATION ${RDKit_ShareDir}
          COMPONENT base
          )
endif(NOT RDK_INSTALL_INTREE)

if (RDK_SQUASH_MVC_SECURE_WARNINGS)
  MESSAGE("== Squashing MSVC Security warnings (do not use during development)")
  ADD_DEFINITIONS("-D_SCL_SECURE_NO_WARNINGS")
  ADD_DEFINITIONS("/wd4996")
endif(RDK_SQUASH_MVC_SECURE_WARNINGS)

if(RDK_USE_STRICT_ROTOR_DEFINITION)
    MESSAGE("== Using strict rotor definition")
    ADD_DEFINITIONS("-DRDK_USE_STRICT_ROTOR_DEFINITION")
endif()

add_subdirectory(External)
add_subdirectory(Code)

if(RDK_BUILD_PYTHON_WRAPPERS)
  add_subdirectory(Projects)
  add_subdirectory(rdkit)
endif(RDK_BUILD_PYTHON_WRAPPERS)

if(RDK_BUILD_CONTRIB)
  add_subdirectory(Contrib)
endif(RDK_BUILD_CONTRIB)

# Packaging
SET(CPACK_GENERATOR "TGZ;DEB;RPM")
SET(CPACK_RPM_COMPONENT_INSTALL ON)
SET(CPACK_DEB_COMPONENT_INSTALL ON)
SET(CPACK_MONOLITHIC_INSTALL OFF)

SET(CPACK_COMPONENTS_ALL headers static_libs dynamic_libs python data docs extras base)
set(CPACK_COMPONENT_DYNAMIC_LIBS_GROUP "Runtime")
set(CPACK_COMPONENT_BASE_GROUP "Runtime")
set(CPACK_COMPONENT_DATA_GROUP "Runtime")
set(CPACK_COMPONENT_DOCS_GROUP "Runtime")
set(CPACK_COMPONENT_HEADERS_GROUP "Development")
set(CPACK_COMPONENT_STATIC_LIBS_GROUP "Development")
set(CPACK_COMPONENT_PYTHON_GROUP "Python")
set(CPACK_COMPONENT_EXTRAS_GROUP "Extras")


SET(CPACK_PACKAGE_DESCRIPTION_SUMMARY "RDKit")
SET(CPACK_PACKAGE_VENDOR "rdkit.org")
SET(CPACK_PACKAGE_CONTACT "greg.landrum@gmail.com")
SET(CPACK_PACKAGE_DESCRIPTION_FILE "${CMAKE_CURRENT_SOURCE_DIR}/README")
SET(CPACK_RESOURCE_FILE_LICENSE "${CMAKE_CURRENT_SOURCE_DIR}/license.txt")
SET(CPACK_PACKAGE_VERSION_MAJOR "2011")
SET(CPACK_PACKAGE_VERSION_MINOR "6")
SET(CPACK_PACKAGE_VERSION_PATCH "1")
SET(CPACK_PACKAGE_INSTALL_DIRECTORY "CMake ${CMake_VERSION_MAJOR}.${CMake_VERSION_MINOR}")
#IF(WIN32 AND NOT UNIX)
#  # There is a bug in NSI that does not handle full unix paths properly. Make
#  # sure there is at least one set of four (4) backlasshes.
#  SET(CPACK_PACKAGE_ICON "${CMake_SOURCE_DIR}/Utilities/Release\\\\InstallIcon.bmp")
#  SET(CPACK_NSIS_INSTALLED_ICON_NAME "bin\\\\MyExecutable.exe")
#  SET(CPACK_NSIS_DISPLAY_NAME "${CPACK_PACKAGE_INSTALL_DIRECTORY} My Famous Project")
#  SET(CPACK_NSIS_HELP_LINK "http:\\\\\\\\www.my-project-home-page.org")
#  SET(CPACK_NSIS_URL_INFO_ABOUT "http:\\\\\\\\www.my-personal-home-page.com")
#  SET(CPACK_NSIS_CONTACT "me@my-personal-home-page.com")
#  SET(CPACK_NSIS_MODIFY_PATH ON)
#ELSE(WIN32 AND NOT UNIX)
#  SET(CPACK_STRIP_FILES "bin/MyExecutable")
#  SET(CPACK_SOURCE_STRIP_FILES "")
#ENDIF(WIN32 AND NOT UNIX)
#SET(CPACK_PACKAGE_EXECUTABLES "MyExecutable" "My Executable")


SET(CPACK_SET_DESTDIR ON)

INCLUDE(CPack)