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Kitware
GitHub Repository: Kitware/CMake
 Path: blob/master/Utilities/KWIML/CMakeLists.txt
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#

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# Copyright Kitware, Inc.

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# Distributed under the OSI-approved BSD 3-Clause License.

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# See accompanying file Copyright.txt for details.

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#

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if("${CMAKE_SOURCE_DIR}" STREQUAL "${CMAKE_CURRENT_SOURCE_DIR}")

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  cmake_minimum_required(VERSION 3.13..4.0 FATAL_ERROR)

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  set(kwiml_standalone 1)

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  project(KWIML)

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  include(CTest)

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  mark_as_advanced(BUILD_TESTING)

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  if(BUILD_TESTING)

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    set(KWIML_TEST_ENABLE 1)

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  endif()

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  if(NOT DEFINED KWIML_INSTALL_INCLUDE_DIR)

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    set(KWIML_INSTALL_INCLUDE_DIR include)

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  endif()

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  set(KWIML_INCLUDE_PREFIX kwiml)

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else()

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  set(kwiml_standalone 0)

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  if(KWIML_INSTALL_INCLUDE_DIR AND NOT DEFINED KWIML_INCLUDE_PREFIX)

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    message(FATAL_ERROR "Host project must set KWIML_INCLUDE_PREFIX")

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  endif()

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endif()

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get_property(KWIML_LANGUAGES GLOBAL PROPERTY ENABLED_LANGUAGES)

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foreach(lang ${KWIML_LANGUAGES})

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  set(KWIML_LANGUAGE_${lang} 1)

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endforeach()

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if(NOT KWIML_LANGUAGE_C AND NOT KWIML_LANGUAGE_CXX)

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  set(BUILD_TESTING OFF)

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endif()

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if(KWIML_INSTALL_INCLUDE_DIR)

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  install(FILES

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    include/kwiml/abi.h

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    include/kwiml/int.h

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    DESTINATION ${KWIML_INSTALL_INCLUDE_DIR}/${KWIML_INCLUDE_PREFIX}

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    ${KWIML_INSTALL_INCLUDE_OPTIONS}

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    )

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endif()

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if(KWIML_TEST_ENABLE)

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  add_subdirectory(test)

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endif()

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if(NOT kwiml_standalone)

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  return()

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endif()

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#----------------------------------------------------------------------------

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set(KWIML_VERSION 1.0.0)

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if(KWIML_VERSION MATCHES "^([0-9]+)\\.([0-9]+)\\.([0-9]+)")

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  set(KWIML_VERSION_MAJOR "${CMAKE_MATCH_1}")

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  set(KWIML_VERSION_MINOR "${CMAKE_MATCH_2}")

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  set(KWIML_VERSION_PATCH "${CMAKE_MATCH_3}")

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  math(EXPR KWIML_VERSION_DECIMAL

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    "${KWIML_VERSION_MAJOR}*1000000 + ${KWIML_VERSION_MINOR}*1000 + ${KWIML_VERSION_PATCH}")

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else()

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  message(FATAL_ERROR "Failed to parse KWIML_VERSION='${KWIML_VERSION}'")

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endif()

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configure_file(src/version.h.in include/kwiml/version.h @ONLY)

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install(FILES

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  ${CMAKE_CURRENT_BINARY_DIR}/include/kwiml/version.h

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  DESTINATION ${KWIML_INSTALL_INCLUDE_DIR}/kwiml

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  )

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if(NOT KWIML_INSTALL_PACKAGE_DIR)

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  set(KWIML_INSTALL_PACKAGE_DIR share/cmake/kwiml-${KWIML_VERSION_MAJOR}.${KWIML_VERSION_MINOR})

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endif()

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add_library(kwiml INTERFACE)

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target_include_directories(kwiml INTERFACE

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  $<INSTALL_INTERFACE:$<INSTALL_PREFIX>/${KWIML_INSTALL_INCLUDE_DIR}>

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  $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include>

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  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>

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  )

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export(TARGETS kwiml

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  NAMESPACE kwiml::

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  FILE kwiml-targets.cmake

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  )

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install(TARGETS kwiml

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  DESTINATION lib

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  EXPORT kwiml-targets

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  )

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install(EXPORT kwiml-targets

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  NAMESPACE kwiml::

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  DESTINATION ${KWIML_INSTALL_PACKAGE_DIR}

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  )

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configure_file(src/kwiml-config.cmake.in kwiml-config.cmake @ONLY)

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include(CMakePackageConfigHelpers)

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write_basic_package_version_file(

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  "${CMAKE_CURRENT_BINARY_DIR}/kwiml-config-version.cmake"

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  VERSION ${KWIML_VERSION}

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  COMPATIBILITY AnyNewerVersion

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  )

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install(FILES

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  ${CMAKE_CURRENT_BINARY_DIR}/kwiml-config.cmake

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  ${CMAKE_CURRENT_BINARY_DIR}/kwiml-config-version.cmake

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  DESTINATION ${KWIML_INSTALL_PACKAGE_DIR}

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  )

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