python/CMakeLists.txt

# Licensed to the Apache Software Foundation (ASF) under one
# or more cod ntributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
#
# Includes code assembled from BSD/MIT/Apache-licensed code from some 3rd-party
# projects, including Kudu, Impala, and libdynd. See python/LICENSE.txt

cmake_minimum_required(VERSION 2.7)
project(pyarrow)

# Running from a Python sdist tarball
set(LOCAL_CMAKE_MODULES "${CMAKE_SOURCE_DIR}/cmake_modules")
if(EXISTS "${LOCAL_CMAKE_MODULES}")
  set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${LOCAL_CMAKE_MODULES})
endif()

# Running from a git source tree
set(CPP_CMAKE_MODULES "${CMAKE_SOURCE_DIR}/../cpp/cmake_modules")
if(EXISTS "${CPP_CMAKE_MODULES}")
  set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CPP_CMAKE_MODULES})
endif()

include(CMakeParseArguments)

# Compatibility with CMake 3.1
if(POLICY CMP0054)
  # http://www.cmake.org/cmake/help/v3.1/policy/CMP0054.html
  cmake_policy(SET CMP0054 NEW)
endif()

# Allow "make install" to not depend on all targets.
#
# Must be declared in the top-level CMakeLists.txt.
set(CMAKE_SKIP_INSTALL_ALL_DEPENDENCY true)

set(CMAKE_MACOSX_RPATH 1)
set(CMAKE_OSX_DEPLOYMENT_TARGET 10.9)

# Generate a Clang compile_commands.json "compilation database" file for use
# with various development tools, such as Vim's YouCompleteMe plugin.
# See http://clang.llvm.org/docs/JSONCompilationDatabase.html
if("$ENV{CMAKE_EXPORT_COMPILE_COMMANDS}" STREQUAL "1")
  set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
endif()

# Top level cmake dir
if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")
  option(PYARROW_BUILD_CUDA "Build the PyArrow CUDA support" OFF)
  option(PYARROW_BUILD_FLIGHT "Build the PyArrow Flight integration" OFF)
  option(PYARROW_BUILD_GANDIVA "Build the PyArrow Gandiva integration" OFF)
  option(PYARROW_BUILD_PARQUET "Build the PyArrow Parquet integration" OFF)
  option(PYARROW_PARQUET_USE_SHARED "Rely on parquet shared libraries where relevant" ON)
  option(PYARROW_BOOST_USE_SHARED
         "Rely on boost shared libraries on linking static parquet" ON)
  option(PYARROW_BUILD_PLASMA "Build the PyArrow Plasma integration" OFF)
  option(PYARROW_USE_TENSORFLOW "Build PyArrow with TensorFlow support" OFF)
  option(PYARROW_BUILD_ORC "Build the PyArrow ORC integration" OFF)
  option(PYARROW_BUNDLE_ARROW_CPP "Bundle the Arrow C++ libraries" OFF)
  option(PYARROW_BUNDLE_BOOST "Bundle the Boost libraries when we bundle Arrow C++" OFF)
  option(PYARROW_GENERATE_COVERAGE "Build with Cython code coverage enabled" OFF)
  set(PYARROW_CXXFLAGS "" CACHE STRING "Compiler flags to append when compiling Arrow")
endif()

find_program(CCACHE_FOUND ccache)
if(CCACHE_FOUND)
  set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
  set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
endif(CCACHE_FOUND)

#
# Compiler flags
#

include(BuildUtils)
include(CompilerInfo)

# Cython generated code emits way to many warnings at CHECKIN and EVERYTHING
set(BUILD_WARNING_LEVEL "PRODUCTION")

include(SetupCxxFlags)

# Add common flags
set(CMAKE_CXX_FLAGS "${CXX_COMMON_FLAGS} ${CMAKE_CXX_FLAGS}")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${PYARROW_CXXFLAGS}")

if(NOT MSVC)
  # Enable perf and other tools to work properly
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fno-omit-frame-pointer")

  # Suppress Cython warnings
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-variable -Wno-maybe-uninitialized")
else()
  # MSVC version of -Wno-return-type-c-linkage
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4190")

  # Cython generates some bitshift expressions that MSVC does not like in
  # __Pyx_PyFloat_DivideObjC
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4293")

  # Converting to/from C++ bool is pretty wonky in Cython. The C4800 warning
  # seem harmless, and probably not worth the effort of working around it
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4800")

  # See https://github.com/cython/cython/issues/2731. Change introduced in
  # Cython 0.29.1 causes "unsafe use of type 'bool' in operation"
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4804")
endif()

if("${COMPILER_FAMILY}" STREQUAL "clang")
  # Cython warnings in clang
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-parentheses-equality")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-constant-logical-operand")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-missing-declarations")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-sometimes-uninitialized")

  # We have public Cython APIs which return C++ types, which are in an extern
  # "C" blog (no symbol mangling) and clang doesn't like this
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-return-type-c-linkage")
endif()

# For any C code, use the same flags.
set(CMAKE_C_FLAGS "${CMAKE_CXX_FLAGS}")

# Add C++-only flags, like -std=c++11
set(CMAKE_CXX_FLAGS "${CXX_ONLY_FLAGS} ${CMAKE_CXX_FLAGS}")

if(MSVC)
  # MSVC makes its own output directories based on the build configuration
  set(BUILD_SUBDIR_NAME "")
else()
  # Set compile output directory
  string(TOLOWER ${CMAKE_BUILD_TYPE} BUILD_SUBDIR_NAME)
endif()

# If build in-source, create the latest symlink. If build out-of-source, which is
# preferred, simply output the binaries in the build folder
if(${CMAKE_SOURCE_DIR} STREQUAL ${CMAKE_CURRENT_BINARY_DIR})
  set(BUILD_OUTPUT_ROOT_DIRECTORY
      "${CMAKE_CURRENT_BINARY_DIR}/build/${BUILD_SUBDIR_NAME}")
  # Link build/latest to the current build directory, to avoid developers
  # accidentally running the latest debug build when in fact they're building
  # release builds.
  file(MAKE_DIRECTORY ${BUILD_OUTPUT_ROOT_DIRECTORY})
  if(NOT APPLE)
    set(MORE_ARGS "-T")
  endif()
  execute_process(COMMAND ln
                          ${MORE_ARGS}
                          -sf
                          ${BUILD_OUTPUT_ROOT_DIRECTORY}
                          ${CMAKE_CURRENT_BINARY_DIR}/build/latest)
else()
  set(BUILD_OUTPUT_ROOT_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/${BUILD_SUBDIR_NAME}")
endif()

message(STATUS "Build output directory: ${BUILD_OUTPUT_ROOT_DIRECTORY}")

# where to put generated archives (.a files)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${BUILD_OUTPUT_ROOT_DIRECTORY}")
set(ARCHIVE_OUTPUT_DIRECTORY "${BUILD_OUTPUT_ROOT_DIRECTORY}")

# where to put generated libraries (.so files)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${BUILD_OUTPUT_ROOT_DIRECTORY}")
set(LIBRARY_OUTPUT_DIRECTORY "${BUILD_OUTPUT_ROOT_DIRECTORY}")

# where to put generated binaries
set(EXECUTABLE_OUTPUT_PATH "${BUILD_OUTPUT_ROOT_DIRECTORY}")

if(PYARROW_USE_TENSORFLOW)
  # TensorFlow uses the old GLIBCXX ABI, so we have to use it too
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D_GLIBCXX_USE_CXX11_ABI=0")
endif()

# Python and libraries
find_package(PythonLibsNew REQUIRED)
find_package(NumPy REQUIRED)
include(UseCython)

include_directories(SYSTEM ${NUMPY_INCLUDE_DIRS} ${PYTHON_INCLUDE_DIRS} src)

#
# Dependencies
#

if(PYARROW_BUILD_FLIGHT)
  set(ARROW_FLIGHT TRUE)
endif()

# Arrow
find_package(Arrow REQUIRED)
include_directories(SYSTEM ${ARROW_INCLUDE_DIR})

function(bundle_arrow_lib library_path)
  set(options)
  set(one_value_args ABI_VERSION SO_VERSION)
  set(multi_value_args)
  cmake_parse_arguments(ARG
                        "${options}"
                        "${one_value_args}"
                        "${multi_value_args}"
                        ${ARGN})
  if(ARG_UNPARSED_ARGUMENTS)
    message(SEND_ERROR "Error: unrecognized arguments: ${ARG_UNPARSED_ARGUMENTS}")
  endif()

  get_filename_component(LIBRARY_DIR ${${library_path}} DIRECTORY)
  get_filename_component(LIBRARY_NAME ${${library_path}} NAME_WE)
  configure_file(
    ${${library_path}}
    ${BUILD_OUTPUT_ROOT_DIRECTORY}/${LIBRARY_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX} COPYONLY)

  if(APPLE)
    configure_file(
      ${LIBRARY_DIR}/${LIBRARY_NAME}.${ARG_ABI_VERSION}${CMAKE_SHARED_LIBRARY_SUFFIX}
      ${BUILD_OUTPUT_ROOT_DIRECTORY}/${LIBRARY_NAME}.${ARG_ABI_VERSION}${CMAKE_SHARED_LIBRARY_SUFFIX}
      COPYONLY)
    configure_file(
      ${LIBRARY_DIR}/${LIBRARY_NAME}.${ARG_SO_VERSION}${CMAKE_SHARED_LIBRARY_SUFFIX}
      ${BUILD_OUTPUT_ROOT_DIRECTORY}/${LIBRARY_NAME}.${ARG_SO_VERSION}${CMAKE_SHARED_LIBRARY_SUFFIX}
      COPYONLY)
  elseif(NOT MSVC)
    configure_file(
      ${${library_path}}.${ARG_ABI_VERSION}
      ${BUILD_OUTPUT_ROOT_DIRECTORY}/${LIBRARY_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}.${ARG_ABI_VERSION}
      COPYONLY)
    configure_file(
      ${${library_path}}.${ARG_SO_VERSION}
      ${BUILD_OUTPUT_ROOT_DIRECTORY}/${LIBRARY_NAME}${CMAKE_SHARED_LIBRARY_SUFFIX}.${ARG_SO_VERSION}
      COPYONLY)
  endif()

endfunction(bundle_arrow_lib)

function(bundle_arrow_implib library_path)
  get_filename_component(LIBRARY_DIR ${${library_path}} DIRECTORY)
  get_filename_component(LIBRARY_NAME ${${library_path}} NAME_WE)
  configure_file(${${library_path}} ${BUILD_OUTPUT_ROOT_DIRECTORY}/${LIBRARY_NAME}.lib
                 COPYONLY)
endfunction(bundle_arrow_implib)

function(bundle_boost_lib library_path)
  get_filename_component(LIBRARY_NAME ${${library_path}} NAME)
  get_filename_component(LIBRARY_NAME_WE ${${library_path}} NAME_WE)
  configure_file(${${library_path}} ${BUILD_OUTPUT_ROOT_DIRECTORY}/${LIBRARY_NAME}
                 COPYONLY)
  set(Boost_SO_VERSION
      "${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION}.${Boost_SUBMINOR_VERSION}")
  if(APPLE)
    configure_file(
      ${${library_path}}
      ${BUILD_OUTPUT_ROOT_DIRECTORY}/${LIBRARY_NAME_WE}${CMAKE_SHARED_LIBRARY_SUFFIX}
      COPYONLY)
  else()
    configure_file(
      ${${library_path}}
      ${BUILD_OUTPUT_ROOT_DIRECTORY}/${LIBRARY_NAME_WE}${CMAKE_SHARED_LIBRARY_SUFFIX}.${Boost_SO_VERSION}
      COPYONLY)
  endif()
endfunction()

function(bundle_arrow_dependency library_name shared_lib_name)
  if(MSVC)
    if(DEFINED ENV{CONDA_PREFIX})
      set(SHARED_LIB_HOME "$ENV{CONDA_PREFIX}\\Library")
    endif()
  else()
    if(DEFINED ENV{CONDA_PREFIX})
      set(SHARED_LIB_HOME "$ENV{CONDA_PREFIX}")
    endif()
  endif()
  if(DEFINED ENV{${library_name}_HOME})
    set(SHARED_LIB_HOME "$ENV{${library_name}_HOME}")
  endif()
  unset(SHARED_LIB_PATH CACHE)
  if("${SHARED_LIB_HOME}" STREQUAL "")
    find_library(SHARED_LIB_PATH NAMES ${shared_lib_name})
  else()
    find_library(SHARED_LIB_PATH
                 NAMES ${shared_lib_name}
                 PATHS ${SHARED_LIB_HOME}
                 NO_DEFAULT_PATH
                 PATH_SUFFIXES "bin")
  endif()
  if(SHARED_LIB_PATH)
    get_filename_component(SHARED_LIB_REALPATH ${SHARED_LIB_PATH} REALPATH)
    get_filename_component(SHARED_LIB_NAME ${SHARED_LIB_PATH} NAME)
    message(
      STATUS
        "Bundle dependency ${library_name}: ${SHARED_LIB_REALPATH} as ${SHARED_LIB_NAME}")
    configure_file(${SHARED_LIB_REALPATH}
                   ${BUILD_OUTPUT_ROOT_DIRECTORY}/${SHARED_LIB_NAME} COPYONLY)
  else()
    message(FATAL_ERROR "Unable to bundle dependency: ${library_name}")
  endif()
endfunction()

# Always bundle includes
file(COPY ${ARROW_INCLUDE_DIR}/arrow DESTINATION ${BUILD_OUTPUT_ROOT_DIRECTORY}/include)

if(PYARROW_BUNDLE_ARROW_CPP)
  # arrow
  bundle_arrow_lib(ARROW_SHARED_LIB
                   ABI_VERSION
                   ${ARROW_ABI_VERSION}
                   SO_VERSION
                   ${ARROW_SO_VERSION})
  bundle_arrow_lib(ARROW_PYTHON_SHARED_LIB
                   ABI_VERSION
                   ${ARROW_ABI_VERSION}
                   SO_VERSION
                   ${ARROW_SO_VERSION})

  # boost
  if(PYARROW_BOOST_USE_SHARED AND PYARROW_BUNDLE_BOOST)
    set(Boost_USE_STATIC_LIBS OFF)
    set(Boost_USE_MULTITHREADED ON)
    if(MSVC AND ARROW_USE_STATIC_CRT)
      set(Boost_USE_STATIC_RUNTIME ON)
    endif()
    set(Boost_ADDITIONAL_VERSIONS
        "1.66.0"
        "1.66"
        "1.65.0"
        "1.65"
        "1.64.0"
        "1.64"
        "1.63.0"
        "1.63"
        "1.62.0"
        "1.61"
        "1.61.0"
        "1.62"
        "1.60.0"
        "1.60")
    list(GET Boost_ADDITIONAL_VERSIONS 0 BOOST_LATEST_VERSION)
    string(REPLACE "." "_" BOOST_LATEST_VERSION_IN_PATH ${BOOST_LATEST_VERSION})
    if(MSVC)
      # disable autolinking in boost
      add_definitions(-DBOOST_ALL_NO_LIB)
    endif()
    find_package(Boost COMPONENTS system filesystem regex REQUIRED)
    bundle_boost_lib(Boost_REGEX_LIBRARY)
    bundle_boost_lib(Boost_FILESYSTEM_LIBRARY)
    bundle_boost_lib(Boost_SYSTEM_LIBRARY)
  endif()

  if(MSVC)
    bundle_arrow_implib(ARROW_SHARED_IMP_LIB)
    bundle_arrow_implib(ARROW_PYTHON_SHARED_IMP_LIB)
  endif()
endif()

if(MSVC)
  add_thirdparty_lib(arrow SHARED_LIB ${ARROW_SHARED_IMP_LIB})
  add_thirdparty_lib(arrow_python SHARED_LIB ${ARROW_PYTHON_SHARED_IMP_LIB})
else()
  add_thirdparty_lib(arrow SHARED_LIB ${ARROW_SHARED_LIB})
  add_thirdparty_lib(arrow_python SHARED_LIB ${ARROW_PYTHON_SHARED_LIB})
endif()

#
# Subdirectories
#

if(UNIX)
  set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
endif()

set(CYTHON_EXTENSIONS lib _csv _json)

set(LINK_LIBS arrow_shared arrow_python_shared)

if(PYARROW_BUILD_CUDA)
  # Arrow CUDA
  find_package(ArrowCuda)
  if(NOT ARROW_CUDA_FOUND)
    message(FATAL_ERROR "Unable to locate Arrow CUDA libraries")
  else()
    if(PYARROW_BUNDLE_ARROW_CPP)
      bundle_arrow_lib(ARROW_CUDA_SHARED_LIB
                       ABI_VERSION
                       ${ARROW_ABI_VERSION}
                       SO_VERSION
                       ${ARROW_SO_VERSION})
      if(MSVC)
        bundle_arrow_implib(ARROW_CUDA_SHARED_IMP_LIB)
      endif()
    endif()
    if(MSVC)
      add_thirdparty_lib(arrow_cuda SHARED_LIB ${ARROW_CUDA_SHARED_IMP_LIB})
    else()
      add_thirdparty_lib(arrow_cuda SHARED_LIB ${ARROW_CUDA_SHARED_LIB})
    endif()
    set(LINK_LIBS ${LINK_LIBS} arrow_cuda_shared)
    set(CYTHON_EXTENSIONS ${CYTHON_EXTENSIONS} _cuda)
  endif()
endif()

if(PYARROW_BUILD_PARQUET)
  # Parquet
  find_package(Parquet)

  if(NOT PARQUET_FOUND)
    message(FATAL_ERROR "Unable to locate Parquet libraries")
  endif()
  include_directories(SYSTEM ${PARQUET_INCLUDE_DIR})

  if(PYARROW_BUNDLE_ARROW_CPP)
    file(COPY ${PARQUET_INCLUDE_DIR}/parquet
         DESTINATION ${BUILD_OUTPUT_ROOT_DIRECTORY}/include)
  endif()

  if(PYARROW_PARQUET_USE_SHARED)
    if(PYARROW_BUNDLE_ARROW_CPP)
      bundle_arrow_lib(PARQUET_SHARED_LIB
                       ABI_VERSION
                       ${PARQUET_ABI_VERSION}
                       SO_VERSION
                       ${PARQUET_SO_VERSION})
      if(MSVC)
        bundle_arrow_implib(PARQUET_SHARED_IMP_LIB)
      endif()
    endif()
    if(MSVC)
      add_thirdparty_lib(parquet SHARED_LIB ${PARQUET_SHARED_IMP_LIB})
    else()
      add_thirdparty_lib(parquet SHARED_LIB ${PARQUET_SHARED_LIB})
    endif()
    set(LINK_LIBS ${LINK_LIBS} parquet_shared)
  else()
    find_package(Thrift)
    if(PYARROW_BOOST_USE_SHARED)
      set(Boost_USE_STATIC_LIBS OFF)
    else()
      set(Boost_USE_STATIC_LIBS ON)
    endif()
    find_package(Boost COMPONENTS regex REQUIRED)
    add_thirdparty_lib(boost_regex STATIC_LIB ${Boost_REGEX_LIBRARY_RELEASE})
    add_thirdparty_lib(parquet STATIC_LIB ${PARQUET_STATIC_LIB})
    add_thirdparty_lib(thrift STATIC_LIB ${THRIFT_STATIC_LIB})
    set(LINK_LIBS ${LINK_LIBS} parquet_static thrift_static boost_regex_static)
  endif()
  set(CYTHON_EXTENSIONS ${CYTHON_EXTENSIONS} _parquet)
endif()

# Plasma
if(PYARROW_BUILD_PLASMA)
  find_package(Plasma)

  if(NOT PLASMA_FOUND)
    message(FATAL_ERROR "Unable to locate Plasma libraries")
  endif()

  include_directories(SYSTEM ${PLASMA_INCLUDE_DIR})
  add_thirdparty_lib(libplasma SHARED_LIB ${PLASMA_SHARED_LIB})

  file(COPY ${ARROW_INCLUDE_DIR}/plasma
       DESTINATION ${BUILD_OUTPUT_ROOT_DIRECTORY}/include)

  if(PYARROW_BUNDLE_ARROW_CPP)
    bundle_arrow_lib(PLASMA_SHARED_LIB
                     ABI_VERSION
                     ${ARROW_ABI_VERSION}
                     SO_VERSION
                     ${ARROW_SO_VERSION})
  endif()
  set(LINK_LIBS ${LINK_LIBS} libplasma_shared)

  set(CYTHON_EXTENSIONS ${CYTHON_EXTENSIONS} _plasma)
  file(COPY ${PLASMA_EXECUTABLE} DESTINATION ${BUILD_OUTPUT_ROOT_DIRECTORY})
endif()

if(PYARROW_BUILD_ORC)
  # ORC
  set(CYTHON_EXTENSIONS ${CYTHON_EXTENSIONS} _orc)
endif()

# Flight
if(PYARROW_BUILD_FLIGHT)
  # Arrow Flight
  find_package(ArrowFlight)
  if(NOT ARROW_FLIGHT_FOUND)
    message(FATAL_ERROR "Unable to locate Arrow Flight libraries")
  else()
    if(PYARROW_BUNDLE_ARROW_CPP)
      bundle_arrow_lib(ARROW_FLIGHT_SHARED_LIB
                       ABI_VERSION
                       ${ARROW_ABI_VERSION}
                       SO_VERSION
                       ${ARROW_SO_VERSION})
      if(MSVC)
        bundle_arrow_implib(ARROW_FLIGHT_SHARED_IMP_LIB)
        bundle_arrow_dependency(cares cares.dll)
        bundle_arrow_dependency(libprotobuf libprotobuf.dll)
        # XXX Hardcoded library names because CMake is too stupid to give us
        # the shared library paths.
        # https://gitlab.kitware.com/cmake/cmake/issues/16210
        bundle_arrow_dependency(libcrypto-1_1-x64 libcrypto-1_1-x64.dll)
        bundle_arrow_dependency(libssl-1_1-x64 libssl-1_1-x64.dll)
      endif()
    endif()
    if(MSVC)
      add_thirdparty_lib(arrow_flight SHARED_LIB ${ARROW_FLIGHT_SHARED_IMP_LIB})
    else()
      add_thirdparty_lib(arrow_flight SHARED_LIB ${ARROW_FLIGHT_SHARED_LIB})
    endif()
    set(LINK_LIBS ${LINK_LIBS} arrow_flight_shared)
    set(CYTHON_EXTENSIONS ${CYTHON_EXTENSIONS} _flight)
  endif()
endif()

# Gandiva
if(PYARROW_BUILD_GANDIVA)
  find_package(Gandiva)

  if(NOT GANDIVA_FOUND)
    message(FATAL_ERROR "Unable to locate Gandiva libraries")
  endif()

  include_directories(SYSTEM ${GANDIVA_INCLUDE_DIR})

  if(PYARROW_BUNDLE_ARROW_CPP)
    file(COPY ${GANDIVA_INCLUDE_DIR}/gandiva
         DESTINATION ${BUILD_OUTPUT_ROOT_DIRECTORY}/include)

    bundle_arrow_lib(GANDIVA_SHARED_LIB
                     ABI_VERSION
                     ${ARROW_ABI_VERSION}
                     SO_VERSION
                     ${ARROW_SO_VERSION})

    if(MSVC)
      bundle_arrow_implib(GANDIVA_SHARED_IMP_LIB)
    endif()
  endif()

  if(MSVC)
    add_thirdparty_lib(gandiva SHARED_LIB ${GANDIVA_SHARED_IMP_LIB})
  else()
    add_thirdparty_lib(gandiva SHARED_LIB ${GANDIVA_SHARED_LIB})
  endif()

  set(LINK_LIBS ${LINK_LIBS} gandiva_shared)
  set(CYTHON_EXTENSIONS ${CYTHON_EXTENSIONS} gandiva)
endif()

#
# Setup and build Cython modules
#

if(PYARROW_GENERATE_COVERAGE)
  set(CYTHON_FLAGS "${CYTHON_FLAGS}" "-Xlinetrace=True")
endif()

foreach(module ${CYTHON_EXTENSIONS})
  string(REPLACE "." ";" directories ${module})
  list(GET directories -1 module_name)
  list(REMOVE_AT directories -1)

  string(REPLACE "." "/" module_root "${module}")
  set(module_SRC pyarrow/${module_root}.pyx)
  set_source_files_properties(${module_SRC} PROPERTIES CYTHON_IS_CXX 1)

  cython_add_module(${module_name} ${module_name}_pyx ${module_name}_output ${module_SRC})

  if(directories)
    string(REPLACE ";" "/" module_output_directory ${directories})
    set_target_properties(${module_name}
                          PROPERTIES LIBRARY_OUTPUT_DIRECTORY ${module_output_directory})
  endif()

  if(PYARROW_BUNDLE_ARROW_CPP)
    # In the event that we are bundling the shared libraries (e.g. in a
    # manylinux1 wheel), we need to set the RPATH of the extensions to the
    # root of the pyarrow/ package so that libarrow/libarrow_python are able
    # to be loaded properly
    if(APPLE)
      set(module_install_rpath "@loader_path/")
    else()
      set(module_install_rpath "\$ORIGIN")
    endif()

    # XXX(wesm): ARROW-2326 this logic is only needed when we have Cython
    # modules in interior directories. Since all of our C extensions and
    # bundled libraries are in the same place, we can skip this part

    # list(LENGTH directories i)
    # while(${i} GREATER 0)
    #   set(module_install_rpath "${module_install_rpath}/..")
    #   math(EXPR i "${i} - 1" )
    # endwhile(${i} GREATER 0)

    set_target_properties(${module_name} PROPERTIES INSTALL_RPATH ${module_install_rpath})
  endif()

  if(PYARROW_GENERATE_COVERAGE)
    set_target_properties(${module_name}
                          PROPERTIES COMPILE_DEFINITIONS
                                     "CYTHON_TRACE=1;CYTHON_TRACE_NOGIL=1")
  endif()

  target_link_libraries(${module_name} ${LINK_LIBS})

  # Generated files will be moved to the right directory by setup.py.
endforeach(module)