CMakeLists.txt 40.3 KB
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#=============================================================================
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# KWSys - Kitware System Library
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# Copyright 2000-2011 Kitware, Inc., Insight Software Consortium
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#
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# Distributed under the OSI-approved BSD License (the "License");
# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the License for more information.
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#=============================================================================

# The Kitware System Library is intended to be included in other
# projects.  It is completely configurable in that the library's
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# namespace can be configured and the components that are included can
# be selected invididually.
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# Typical usage is to import the kwsys directory tree into a
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# subdirectory under a parent project and enable the classes that will
# be used.  All classes are disabled by default.  The CMake listfile
# above this one configures the library as follows:
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#
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#  SET(KWSYS_NAMESPACE foosys)
#  SET(KWSYS_USE_Directory 1)    # Enable Directory class.
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#  SUBDIRS(kwsys)
#
# Optional settings are as follows:
#
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#  KWSYS_HEADER_ROOT = The directory into which to generate the kwsys headers.
#                      A directory called "${KWSYS_NAMESPACE}" will be
#                      created under this root directory to hold the files.
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#
#    Example:
#
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#      SET(KWSYS_HEADER_ROOT ${PROJECT_BINARY_DIR})
#      INCLUDE_DIRECTORIES(${PROJECT_BINARY_DIR})
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#
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# Optional settings to setup install rules are as follows:
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#
#  KWSYS_INSTALL_BIN_DIR     = The installation target directories into
#  KWSYS_INSTALL_LIB_DIR       which the libraries and headers from
#  KWSYS_INSTALL_INCLUDE_DIR   kwsys should be installed by a "make install".
#                              The values should be specified relative to
#                              the installation prefix and NOT start with '/'.
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#  KWSYS_INSTALL_DOC_DIR     = The installation target directory for documentation
#                              such as copyright information.
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#
#  KWSYS_INSTALL_COMPONENT_NAME_RUNTIME     = Name of runtime and development
#  KWSYS_INSTALL_COMPONENT_NAME_DEVELOPMENT   installation components.
#                                             If not given the install rules
#                                             will not be in any component.
#
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#  KWSYS_INSTALL_EXPORT_NAME = The EXPORT option value for install(TARGETS) calls.
#
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#    Example:
#
#      SET(KWSYS_INSTALL_BIN_DIR bin)
#      SET(KWSYS_INSTALL_LIB_DIR lib)
#      SET(KWSYS_INSTALL_INCLUDE_DIR include)
#      SET(KWSYS_INSTALL_COMPONENT_NAME_RUNTIME Runtime)
#      SET(KWSYS_INSTALL_COMPONENT_NAME_DEVELOPMENT Development)
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# Once configured, kwsys should be used as follows from C or C++ code:
#
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#  #include <foosys/Directory.hxx>
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#   ...
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#  foosys::Directory directory;
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#

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# NOTE: This library is intended for internal use by Kitware-driven
# projects.  In order to keep it simple no attempt will be made to
# maintain backward compatibility when changes are made to KWSys.
# When an incompatible change is made Kitware's projects that use
# KWSys will be fixed, but no notification will necessarily be sent to
# any outside mailing list and no documentation of the change will be
# written.

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CMAKE_MINIMUM_REQUIRED(VERSION 2.6.3 FATAL_ERROR)
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IF(POLICY CMP0025)
  CMAKE_POLICY(SET CMP0025 NEW)
ENDIF()
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IF(POLICY CMP0056)
  CMAKE_POLICY(SET CMP0056 NEW)
ENDIF()
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SET(CMAKE_LEGACY_CYGWIN_WIN32 0)
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#-----------------------------------------------------------------------------
# If a namespace is not specified, use "kwsys" and enable testing.
# This should be the case only when kwsys is not included inside
# another project and is being tested.
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IF(NOT KWSYS_NAMESPACE)
  SET(KWSYS_NAMESPACE "kwsys")
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  SET(KWSYS_STANDALONE 1)
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ENDIF()
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#-----------------------------------------------------------------------------
# The project name is that of the specified namespace.
PROJECT(${KWSYS_NAMESPACE})

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# Tell CMake how to follow dependencies of sources in this directory.
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SET_PROPERTY(DIRECTORY
  PROPERTY IMPLICIT_DEPENDS_INCLUDE_TRANSFORM
  "KWSYS_HEADER(%)=<${KWSYS_NAMESPACE}/%>"
  )
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# Select library components.
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IF(KWSYS_STANDALONE OR CMake_SOURCE_DIR)
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  SET(KWSYS_ENABLE_C 1)
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  # Enable all components.
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  SET(KWSYS_USE_Base64 1)
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  SET(KWSYS_USE_Directory 1)
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  SET(KWSYS_USE_DynamicLoader 1)
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  SET(KWSYS_USE_Encoding 1)
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  SET(KWSYS_USE_Glob 1)
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  SET(KWSYS_USE_MD5 1)
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  SET(KWSYS_USE_Process 1)
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  SET(KWSYS_USE_RegularExpression 1)
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  SET(KWSYS_USE_System 1)
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  SET(KWSYS_USE_SystemTools 1)
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  SET(KWSYS_USE_CommandLineArguments 1)
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  SET(KWSYS_USE_FundamentalType 1)
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  SET(KWSYS_USE_Terminal 1)
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  SET(KWSYS_USE_IOStream 1)
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  SET(KWSYS_USE_FStream 1)
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  SET(KWSYS_USE_String 1)
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  SET(KWSYS_USE_SystemInformation 1)
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  SET(KWSYS_USE_CPU 1)
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ENDIF()
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# Enforce component dependencies.
IF(KWSYS_USE_SystemTools)
  SET(KWSYS_USE_Directory 1)
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  SET(KWSYS_USE_FStream 1)
  SET(KWSYS_USE_Encoding 1)
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ENDIF()
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IF(KWSYS_USE_Glob)
  SET(KWSYS_USE_Directory 1)
  SET(KWSYS_USE_SystemTools 1)
  SET(KWSYS_USE_RegularExpression 1)
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  SET(KWSYS_USE_FStream 1)
  SET(KWSYS_USE_Encoding 1)
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ENDIF()
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IF(KWSYS_USE_Process)
  SET(KWSYS_USE_System 1)
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  SET(KWSYS_USE_Encoding 1)
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ENDIF()
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IF(KWSYS_USE_SystemInformation)
  SET(KWSYS_USE_Process 1)
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ENDIF()
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IF(KWSYS_USE_System)
  SET(KWSYS_USE_Encoding 1)
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ENDIF()
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IF(KWSYS_USE_Directory)
  SET(KWSYS_USE_Encoding 1)
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ENDIF()
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IF(KWSYS_USE_FStream)
  SET(KWSYS_USE_Encoding 1)
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ENDIF()
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# Setup the large file support default.
IF(KWSYS_LFS_DISABLE)
  SET(KWSYS_LFS_REQUESTED 0)
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ELSE()
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  SET(KWSYS_LFS_REQUESTED 1)
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ENDIF()
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# Specify default 8 bit encoding for Windows
IF(NOT KWSYS_ENCODING_DEFAULT_CODEPAGE)
  SET(KWSYS_ENCODING_DEFAULT_CODEPAGE CP_ACP)
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ENDIF()
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# Enable testing if building standalone.
IF(KWSYS_STANDALONE)
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  INCLUDE(Dart)
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  MARK_AS_ADVANCED(BUILD_TESTING DART_ROOT TCL_TCLSH)
  IF(BUILD_TESTING)
    ENABLE_TESTING()
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  ENDIF()
ENDIF()
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# Include helper macros.
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INCLUDE(${CMAKE_CURRENT_SOURCE_DIR}/kwsysPlatformTests.cmake)
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INCLUDE(CheckTypeSize)
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# Do full dependency headers.
INCLUDE_REGULAR_EXPRESSION("^.*$")

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# Use new KWSYS_INSTALL_*_DIR variable names to control installation.
# Take defaults from the old names.  Note that there was no old name
# for the bin dir, so we take the old lib dir name so DLLs will be
# installed in a compatible way for old code.
IF(NOT KWSYS_INSTALL_INCLUDE_DIR)
  STRING(REGEX REPLACE "^/" "" KWSYS_INSTALL_INCLUDE_DIR
    "${KWSYS_HEADER_INSTALL_DIR}")
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ENDIF()
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IF(NOT KWSYS_INSTALL_LIB_DIR)
  STRING(REGEX REPLACE "^/" "" KWSYS_INSTALL_LIB_DIR
    "${KWSYS_LIBRARY_INSTALL_DIR}")
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ENDIF()
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IF(NOT KWSYS_INSTALL_BIN_DIR)
  STRING(REGEX REPLACE "^/" "" KWSYS_INSTALL_BIN_DIR
    "${KWSYS_LIBRARY_INSTALL_DIR}")
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ENDIF()
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# Setup header install rules.
SET(KWSYS_INSTALL_INCLUDE_OPTIONS)
IF(KWSYS_INSTALL_COMPONENT_NAME_DEVELOPMENT)
  SET(KWSYS_INSTALL_INCLUDE_OPTIONS ${KWSYS_INSTALL_INCLUDE_OPTIONS}
    COMPONENT ${KWSYS_INSTALL_COMPONENT_NAME_DEVELOPMENT}
    )
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ENDIF()
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# Setup library install rules.
SET(KWSYS_INSTALL_LIBRARY_RULE)
IF(KWSYS_INSTALL_LIB_DIR)
  IF(KWSYS_INSTALL_EXPORT_NAME)
    LIST(APPEND KWSYS_INSTALL_LIBRARY_RULE EXPORT ${KWSYS_INSTALL_EXPORT_NAME})
  ENDIF()
  # Install the shared library to the lib directory.
  SET(KWSYS_INSTALL_LIBRARY_RULE ${KWSYS_INSTALL_LIBRARY_RULE}
    LIBRARY DESTINATION ${KWSYS_INSTALL_LIB_DIR}
    )
  # Assign the shared library to the runtime component.
  IF(KWSYS_INSTALL_COMPONENT_NAME_RUNTIME)
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    SET(KWSYS_INSTALL_LIBRARY_RULE ${KWSYS_INSTALL_LIBRARY_RULE}
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      COMPONENT ${KWSYS_INSTALL_COMPONENT_NAME_RUNTIME}
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      )
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  ENDIF()
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  # Install the archive to the lib directory.
  SET(KWSYS_INSTALL_LIBRARY_RULE ${KWSYS_INSTALL_LIBRARY_RULE}
    ARCHIVE DESTINATION ${KWSYS_INSTALL_LIB_DIR}
    )
  # Assign the archive to the development component.
  IF(KWSYS_INSTALL_COMPONENT_NAME_DEVELOPMENT)
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    SET(KWSYS_INSTALL_LIBRARY_RULE ${KWSYS_INSTALL_LIBRARY_RULE}
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      COMPONENT ${KWSYS_INSTALL_COMPONENT_NAME_DEVELOPMENT}
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      )
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  ENDIF()
ENDIF()
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IF(KWSYS_INSTALL_BIN_DIR)
  # Install the runtime library to the bin directory.
  SET(KWSYS_INSTALL_LIBRARY_RULE ${KWSYS_INSTALL_LIBRARY_RULE}
    RUNTIME DESTINATION ${KWSYS_INSTALL_BIN_DIR}
    )
  # Assign the runtime library to the runtime component.
  IF(KWSYS_INSTALL_COMPONENT_NAME_RUNTIME)
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    SET(KWSYS_INSTALL_LIBRARY_RULE ${KWSYS_INSTALL_LIBRARY_RULE}
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      COMPONENT ${KWSYS_INSTALL_COMPONENT_NAME_RUNTIME}
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      )
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  ENDIF()
ENDIF()
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# Do not support old KWSYS_*a_INSTALL_DIR variable names.
SET(KWSYS_HEADER_INSTALL_DIR)
SET(KWSYS_LIBRARY_INSTALL_DIR)
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# Generated source files will need this header.
STRING(COMPARE EQUAL "${PROJECT_SOURCE_DIR}" "${PROJECT_BINARY_DIR}"
  KWSYS_IN_SOURCE_BUILD)
IF(NOT KWSYS_IN_SOURCE_BUILD)
  CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/kwsysPrivate.h
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    ${PROJECT_BINARY_DIR}/kwsysPrivate.h COPYONLY IMMEDIATE)
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ENDIF()
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# Select plugin module file name convention.
IF(NOT KWSYS_DynamicLoader_PREFIX)
  SET(KWSYS_DynamicLoader_PREFIX ${CMAKE_SHARED_MODULE_PREFIX})
ENDIF()
IF(NOT KWSYS_DynamicLoader_SUFFIX)
  SET(KWSYS_DynamicLoader_SUFFIX ${CMAKE_SHARED_MODULE_SUFFIX})
ENDIF()

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#-----------------------------------------------------------------------------
# We require ANSI support from the C compiler.  Add any needed flags.
IF(CMAKE_ANSI_CFLAGS)
  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${CMAKE_ANSI_CFLAGS}")
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ENDIF()
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#-----------------------------------------------------------------------------
# Adjust compiler flags for some platforms.
IF(NOT CMAKE_COMPILER_IS_GNUCXX)
  IF(CMAKE_SYSTEM MATCHES "OSF1-V.*")
    STRING(REGEX MATCH "-timplicit_local"
      KWSYS_CXX_FLAGS_HAVE_IMPLICIT_LOCAL "${CMAKE_CXX_FLAGS}")
    STRING(REGEX MATCH "-no_implicit_include"
      KWSYS_CXX_FLAGS_HAVE_NO_IMPLICIT_INCLUDE "${CMAKE_CXX_FLAGS}")
    IF(NOT KWSYS_CXX_FLAGS_HAVE_IMPLICIT_LOCAL)
      SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -timplicit_local")
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    ENDIF()
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    IF(NOT KWSYS_CXX_FLAGS_HAVE_NO_IMPLICIT_INCLUDE)
      SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -no_implicit_include")
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    ENDIF()
  ENDIF()
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  IF(CMAKE_SYSTEM MATCHES "HP-UX")
    SET(KWSYS_PLATFORM_CXX_TEST_EXTRA_FLAGS "+p")
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    IF(CMAKE_CXX_COMPILER_ID MATCHES "HP")
      # it is known that version 3.85 fails and 6.25 works without these flags
      IF(CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4)
        # use new C++ library and improved template support
        SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -AA +hpxstd98")
      ENDIF()
    ENDIF()
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  ENDIF()
ENDIF()
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IF(KWSYS_STANDALONE)
  IF(CMAKE_CXX_COMPILER_ID STREQUAL SunPro)
    IF(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.13)
      SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++03")
    ELSE()
      SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -library=stlport4")
    ENDIF()
  ENDIF()
ENDIF()
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#-----------------------------------------------------------------------------
# Configure Large File Support.
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KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_CSTDIO
  "Checking whether header cstdio is available" DIRECT)
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SET(KWSYS_LFS_AVAILABLE 0)
IF(KWSYS_LFS_REQUESTED)
  # Large File Support is requested.
  SET(KWSYS_LFS_REQUESTED 1)

  # Check for large file support.
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  SET(KWSYS_PLATFORM_CXX_TEST_DEFINES
    -DKWSYS_CXX_HAS_CSTDIO=${KWSYS_CXX_HAS_CSTDIO})
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  KWSYS_PLATFORM_CXX_TEST_RUN(KWSYS_LFS_WORKS
    "Checking for Large File Support" DIRECT)
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  SET(KWSYS_PLATFORM_CXX_TEST_DEFINES)
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  IF(KWSYS_LFS_WORKS)
    SET(KWSYS_LFS_AVAILABLE 1)
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  ENDIF()
ELSE()
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  # Large File Support is not requested.
  SET(KWSYS_LFS_REQUESTED 0)
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ENDIF()
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#-----------------------------------------------------------------------------
# Configure the standard library header wrappers based on compiler's
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# capabilities and parent project's request.  Enforce 0/1 as only
# possible values for configuration into Configure.hxx.
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KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_CSTDDEF
  "Checking whether header cstddef is available" DIRECT)
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KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_NULL_TEMPLATE_ARGS
  "Checking whether \"<>\" is needed for template friends" INVERT)
KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_MEMBER_TEMPLATES
  "Checking for member template support" DIRECT)
KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_FULL_SPECIALIZATION
  "Checking for standard template specialization syntax" DIRECT)
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KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_ARGUMENT_DEPENDENT_LOOKUP
  "Checking whether argument dependent lookup is supported" DIRECT)
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IF(UNIX)
  KWSYS_PLATFORM_CXX_TEST(KWSYS_STAT_HAS_ST_MTIM
    "Checking whether struct stat has st_mtim member" DIRECT)
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ENDIF()
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# Check existence and uniqueness of long long and __int64.
KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_LONG_LONG
  "Checking whether C++ compiler has 'long long'" DIRECT)
KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS___INT64
  "Checking whether C++ compiler has '__int64'" DIRECT)
IF(KWSYS_CXX_HAS___INT64)
  KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_SAME_LONG_AND___INT64
    "Checking whether long and __int64 are the same type" DIRECT)
  IF(KWSYS_CXX_HAS_LONG_LONG)
    KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_SAME_LONG_LONG_AND___INT64
      "Checking whether long long and __int64 are the same type" DIRECT)
  ENDIF()
ENDIF()

# Enable the "long long" type if it is available.  It is standard in
# C99 and C++03 but not in earlier standards.
IF(KWSYS_CXX_HAS_LONG_LONG)
  SET(KWSYS_USE_LONG_LONG 1)
ELSE()
  SET(KWSYS_USE_LONG_LONG 0)
ENDIF()

# Enable the "__int64" type if it is available and unique.  It is not
# standard.
SET(KWSYS_USE___INT64 0)
IF(KWSYS_CXX_HAS___INT64)
  IF(NOT KWSYS_CXX_SAME_LONG_AND___INT64)
    IF(NOT KWSYS_CXX_SAME_LONG_LONG_AND___INT64)
      SET(KWSYS_USE___INT64 1)
    ENDIF()
  ENDIF()
ENDIF()

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IF(KWSYS_USE_FundamentalType)
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  # Look for type size helper macros.
  KWSYS_PLATFORM_INFO_TEST(C KWSYS_C_TYPE_MACROS
    "Checking for C type size macros")
  SET(macro_regex ".*INFO:macro\\[([^]]*)\\].*")
  FOREACH(info ${KWSYS_C_TYPE_MACROS})
    IF("${info}" MATCHES "${macro_regex}")
      STRING(REGEX REPLACE "${macro_regex}" "\\1" macro "${info}")
      SET(KWSYS_C_HAS_MACRO_${macro} 1)
    ENDIF()
  ENDFOREACH()

  # Determine type sizes at preprocessing time if possible, and
  # otherwise fall back to a try-compile.
  SET(KWSYS_C_TYPE_NAME_CHAR      "char")
  SET(KWSYS_C_TYPE_NAME_SHORT     "short")
  SET(KWSYS_C_TYPE_NAME_INT       "int")
  SET(KWSYS_C_TYPE_NAME_LONG      "long")
  SET(KWSYS_C_TYPE_NAME_LONG_LONG "long long")
  SET(KWSYS_C_TYPE_NAME___INT64   "__int64")
  FOREACH(type CHAR SHORT INT LONG LONG_LONG __INT64)
    IF(KWSYS_C_HAS_MACRO___SIZEOF_${type}__)
      # Use __SIZEOF_${type}__ macro.
      SET(KWSYS_SIZEOF_${type} TRUE)
      SET(KWSYS_C_CODE_SIZEOF_${type} "#define ${KWSYS_NAMESPACE}_SIZEOF_${type} __SIZEOF_${type}__")
    ELSEIF(KWSYS_C_HAS_MACRO___${type}_MAX__)
      # Use __${type}_MAX__ macro.
      SET(KWSYS_SIZEOF_${type} TRUE)
      SET(KWSYS_C_CODE_SIZEOF_${type} "#if __${type}_MAX__ == 0x7f
# define ${KWSYS_NAMESPACE}_SIZEOF_${type} 1
#elif __${type}_MAX__ == 0x7fff
# define ${KWSYS_NAMESPACE}_SIZEOF_${type} 2
#elif __${type}_MAX__ == 0x7fffffff
# define ${KWSYS_NAMESPACE}_SIZEOF_${type} 4
#elif __${type}_MAX__>>32 == 0x7fffffff
# define ${KWSYS_NAMESPACE}_SIZEOF_${type} 8
#else
# error \"Cannot determine sizeof(${KWSYS_C_TYPE_NAME_${type}}).\"
#endif")
    ELSE()
      # Configure a hard-coded type size.
      CHECK_TYPE_SIZE("${KWSYS_C_TYPE_NAME_${type}}" KWSYS_SIZEOF_${type})
      IF(NOT KWSYS_SIZEOF_${type})
        SET(KWSYS_SIZEOF_${type} 0)
      ENDIF()
      SET(KWSYS_C_CODE_SIZEOF_${type}
        "#define ${KWSYS_NAMESPACE}_SIZEOF_${type} ${KWSYS_SIZEOF_${type}}")
    ENDIF()
  ENDFOREACH()
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  IF(KWSYS_USE___INT64)
    KWSYS_PLATFORM_CXX_TEST(KWSYS_CAN_CONVERT_UI64_TO_DOUBLE
      "Checking whether unsigned __int64 can convert to double" DIRECT)
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  ELSE()
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    SET(KWSYS_CAN_CONVERT_UI64_TO_DOUBLE 1)
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  ENDIF()
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  # Check signedness of "char" type.
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  KWSYS_PLATFORM_CXX_TEST_RUN(KWSYS_CHAR_IS_SIGNED
    "Checking whether char is signed" DIRECT)
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ENDIF()
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IF(KWSYS_USE_Encoding)
  # Look for type size helper macros.
  KWSYS_PLATFORM_CXX_TEST(KWSYS_STL_HAS_WSTRING
    "Checking whether wstring is available" DIRECT)
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ENDIF()
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IF(KWSYS_USE_IOStream)
  # Determine whether iostreams support long long.
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  IF(KWSYS_CXX_HAS_LONG_LONG)
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    KWSYS_PLATFORM_CXX_TEST(KWSYS_IOS_HAS_ISTREAM_LONG_LONG
      "Checking if istream supports long long" DIRECT)
    KWSYS_PLATFORM_CXX_TEST(KWSYS_IOS_HAS_OSTREAM_LONG_LONG
      "Checking if ostream supports long long" DIRECT)
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  ELSE()
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    SET(KWSYS_IOS_HAS_ISTREAM_LONG_LONG 0)
    SET(KWSYS_IOS_HAS_OSTREAM_LONG_LONG 0)
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  ENDIF()
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  IF(KWSYS_CXX_HAS___INT64)
    KWSYS_PLATFORM_CXX_TEST(KWSYS_IOS_HAS_ISTREAM___INT64
      "Checking if istream supports __int64" DIRECT)
    KWSYS_PLATFORM_CXX_TEST(KWSYS_IOS_HAS_OSTREAM___INT64
      "Checking if ostream supports __int64" DIRECT)
  ELSE()
    SET(KWSYS_IOS_HAS_ISTREAM___INT64 0)
    SET(KWSYS_IOS_HAS_OSTREAM___INT64 0)
  ENDIF()
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ENDIF()
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IF(KWSYS_NAMESPACE MATCHES "^kwsys$")
  SET(KWSYS_NAME_IS_KWSYS 1)
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ELSE()
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  SET(KWSYS_NAME_IS_KWSYS 0)
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ENDIF()
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# Choose default shared/static build if not specified.
IF(KWSYS_BUILD_SHARED MATCHES "^KWSYS_BUILD_SHARED$")
  SET(KWSYS_BUILD_SHARED ${BUILD_SHARED_LIBS})
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ENDIF()
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IF(KWSYS_BUILD_SHARED)
  SET(KWSYS_BUILD_SHARED 1)
  SET(KWSYS_LIBRARY_TYPE SHARED)
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ELSE()
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  SET(KWSYS_BUILD_SHARED 0)
  SET(KWSYS_LIBRARY_TYPE STATIC)
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ENDIF()
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#-----------------------------------------------------------------------------
# Configure some implementation details.

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KWSYS_PLATFORM_C_TEST(KWSYS_C_HAS_PTRDIFF_T
  "Checking whether C compiler has ptrdiff_t in stddef.h" DIRECT)
KWSYS_PLATFORM_C_TEST(KWSYS_C_HAS_SSIZE_T
  "Checking whether C compiler has ssize_t in unistd.h" DIRECT)
SET_SOURCE_FILES_PROPERTIES(ProcessUNIX.c System.c PROPERTIES
  COMPILE_FLAGS "-DKWSYS_C_HAS_PTRDIFF_T=${KWSYS_C_HAS_PTRDIFF_T} -DKWSYS_C_HAS_SSIZE_T=${KWSYS_C_HAS_SSIZE_T}"
  )

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IF(KWSYS_USE_SystemTools)
  KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_SETENV
    "Checking whether CXX compiler has setenv" DIRECT)
  KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_UNSETENV
    "Checking whether CXX compiler has unsetenv" DIRECT)
  KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_ENVIRON_IN_STDLIB_H
    "Checking whether CXX compiler has environ in stdlib.h" DIRECT)
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  KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_UTIMES
    "Checking whether CXX compiler has utimes" DIRECT)
  KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_UTIMENSAT
    "Checking whether CXX compiler has utimensat" DIRECT)
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  SET_PROPERTY(SOURCE SystemTools.cxx APPEND PROPERTY COMPILE_DEFINITIONS
    KWSYS_CXX_HAS_SETENV=${KWSYS_CXX_HAS_SETENV}
    KWSYS_CXX_HAS_UNSETENV=${KWSYS_CXX_HAS_UNSETENV}
    KWSYS_CXX_HAS_ENVIRON_IN_STDLIB_H=${KWSYS_CXX_HAS_ENVIRON_IN_STDLIB_H}
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    KWSYS_CXX_HAS_UTIMES=${KWSYS_CXX_HAS_UTIMES}
    KWSYS_CXX_HAS_UTIMENSAT=${KWSYS_CXX_HAS_UTIMENSAT}
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    )
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ENDIF()
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IF(KWSYS_USE_SystemInformation)
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  SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
    COMPILE_DEFINITIONS SIZEOF_VOID_P=${CMAKE_SIZEOF_VOID_P})
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  IF(NOT CYGWIN)
    INCLUDE(CheckIncludeFiles)
    CHECK_INCLUDE_FILES("sys/types.h;ifaddrs.h" KWSYS_SYS_HAS_IFADDRS_H)
    IF(KWSYS_SYS_HAS_IFADDRS_H)
      SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
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        COMPILE_DEFINITIONS KWSYS_SYS_HAS_IFADDRS_H=1)
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    ENDIF()
  ENDIF()
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  IF(WIN32)
    INCLUDE(CheckSymbolExists)
    SET(CMAKE_REQUIRED_LIBRARIES Psapi)
    CHECK_SYMBOL_EXISTS(GetProcessMemoryInfo "windows.h;psapi.h" KWSYS_SYS_HAS_PSAPI)
    UNSET(CMAKE_REQUIRED_LIBRARIES)
    IF(KWSYS_SYS_HAS_PSAPI)
      SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
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        COMPILE_DEFINITIONS KWSYS_SYS_HAS_PSAPI=1)
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      IF(MSVC70 OR MSVC71)
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        # Suppress LNK4089: all references to 'PSAPI.DLL' discarded by /OPT:REF
        SET(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /IGNORE:4089")
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      ENDIF()
    ENDIF()
  ENDIF()
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  IF(CMAKE_SYSTEM MATCHES "HP-UX")
    CHECK_INCLUDE_FILES("sys/mpctl.h" KWSYS_SYS_HAS_MPCTL_H)
    IF(KWSYS_SYS_HAS_MPCTL_H)
      SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
        COMPILE_DEFINITIONS KWSYS_SYS_HAS_MPCTL_H=1)
    ENDIF()
  ENDIF()
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  IF(CMAKE_SYSTEM MATCHES "BSD")
    CHECK_INCLUDE_FILES("machine/cpu.h" KWSYS_SYS_HAS_MACHINE_CPU_H)
    IF(KWSYS_SYS_HAS_MACHINE_CPU_H)
      SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
        COMPILE_DEFINITIONS KWSYS_SYS_HAS_MACHINE_CPU_H=1)
    ENDIF()
  ENDIF()
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  IF(KWSYS_LFS_AVAILABLE AND NOT KWSYS_LFS_DISABLE)
    SET(KWSYS_PLATFORM_CXX_TEST_DEFINES -DKWSYS_HAS_LFS=1)
  ENDIF()
  KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_RLIMIT64
    "Checking whether CXX compiler has rlimit64" DIRECT)
  SET(KWSYS_PLATFORM_CXX_TEST_DEFINES)
  IF(KWSYS_CXX_HAS_RLIMIT64)
    SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
      COMPILE_DEFINITIONS KWSYS_CXX_HAS_RLIMIT64=1)
  ENDIF()
  KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_ATOL
    "Checking whether CXX compiler has atol" DIRECT)
  IF(KWSYS_CXX_HAS_ATOL)
    SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
      COMPILE_DEFINITIONS KWSYS_CXX_HAS_ATOL=1)
  ENDIF()
  KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_ATOLL
    "Checking whether CXX compiler has atoll" DIRECT)
  IF(KWSYS_CXX_HAS_ATOLL)
    SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
      COMPILE_DEFINITIONS KWSYS_CXX_HAS_ATOLL=1)
  ENDIF()
  KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS__ATOI64
    "Checking whether CXX compiler has _atoi64" DIRECT)
  IF(KWSYS_CXX_HAS__ATOI64)
    SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
      COMPILE_DEFINITIONS KWSYS_CXX_HAS__ATOI64=1)
  ENDIF()
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  IF(UNIX)
    INCLUDE(CheckIncludeFileCXX)
    # check for simple stack trace
    # usually it's in libc but on FreeBSD
    # it's in libexecinfo
    FIND_LIBRARY(EXECINFO_LIB "execinfo")
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    MARK_AS_ADVANCED(EXECINFO_LIB)
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    IF (NOT EXECINFO_LIB)
      SET(EXECINFO_LIB "")
    ENDIF()
    CHECK_INCLUDE_FILE_CXX("execinfo.h" KWSYS_CXX_HAS_EXECINFOH)
    IF (KWSYS_CXX_HAS_EXECINFOH)
      # we have the backtrace header check if it
      # can be used  with this compiler
      SET(KWSYS_PLATFORM_CXX_TEST_LINK_LIBRARIES ${EXECINFO_LIB})
      KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_BACKTRACE
         "Checking whether backtrace works with this C++ compiler" DIRECT)
      SET(KWSYS_PLATFORM_CXX_TEST_LINK_LIBRARIES)
      IF (KWSYS_CXX_HAS_BACKTRACE)
        # backtrace is supported by this system and compiler.
        # now check for the more advanced capabilities.
        SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
          COMPILE_DEFINITIONS KWSYS_SYSTEMINFORMATION_HAS_BACKTRACE=1)
        # check for symbol lookup using dladdr
        CHECK_INCLUDE_FILE_CXX("dlfcn.h" KWSYS_CXX_HAS_DLFCNH)
        IF (KWSYS_CXX_HAS_DLFCNH)
          # we have symbol lookup libraries and headers
          # check if they can be used with this compiler
          SET(KWSYS_PLATFORM_CXX_TEST_LINK_LIBRARIES ${CMAKE_DL_LIBS})
            KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_DLADDR
            "Checking whether dladdr works with this C++ compiler" DIRECT)
          SET(KWSYS_PLATFORM_CXX_TEST_LINK_LIBRARIES)
          IF (KWSYS_CXX_HAS_DLADDR)
            # symbol lookup is supported by this system
            # and compiler.
            SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
              COMPILE_DEFINITIONS KWSYS_SYSTEMINFORMATION_HAS_SYMBOL_LOOKUP=1)
          ENDIF()
        ENDIF()
        # c++ demangling support
        # check for cxxabi headers
        CHECK_INCLUDE_FILE_CXX("cxxabi.h" KWSYS_CXX_HAS_CXXABIH)
        IF (KWSYS_CXX_HAS_CXXABIH)
          # check if cxxabi can be used with this
          # system and compiler.
          KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_CXXABI
            "Checking whether cxxabi works with this C++ compiler" DIRECT)
          IF (KWSYS_CXX_HAS_CXXABI)
            # c++ demangle using cxxabi is supported with
            # this system and compiler
            SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
              COMPILE_DEFINITIONS KWSYS_SYSTEMINFORMATION_HAS_CPP_DEMANGLE=1)
          ENDIF()
        ENDIF()
        # basic backtrace works better with release build
        # don't bother with advanced features for release
        SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
          COMPILE_DEFINITIONS_DEBUG KWSYS_SYSTEMINFORMATION_HAS_DEBUG_BUILD=1)
        SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
          COMPILE_DEFINITIONS_RELWITHDEBINFO KWSYS_SYSTEMINFORMATION_HAS_DEBUG_BUILD=1)
      ENDIF()
    ENDIF()
  ENDIF()
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  IF(BORLAND)
    KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_BORLAND_ASM
      "Checking whether Borland CXX compiler supports assembler instructions" DIRECT)
    IF(KWSYS_CXX_HAS_BORLAND_ASM)
      SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
        COMPILE_DEFINITIONS KWSYS_CXX_HAS_BORLAND_ASM=1)
      KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_BORLAND_ASM_CPUID
        "Checking whether Borland CXX compiler supports CPUID assembler instruction" DIRECT)
      IF(KWSYS_CXX_HAS_BORLAND_ASM_CPUID)
        SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
          COMPILE_DEFINITIONS KWSYS_CXX_HAS_BORLAND_ASM_CPUID=1)
      ENDIF()
    ENDIF()
  ENDIF()
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  IF(KWSYS_USE___INT64)
    SET_PROPERTY(SOURCE SystemInformation.cxx testSystemInformation.cxx APPEND PROPERTY
      COMPILE_DEFINITIONS KWSYS_USE___INT64=1)
  ENDIF()
  IF(KWSYS_USE_LONG_LONG)
    SET_PROPERTY(SOURCE SystemInformation.cxx testSystemInformation.cxx APPEND PROPERTY
      COMPILE_DEFINITIONS KWSYS_USE_LONG_LONG=1)
  ENDIF()
  IF(KWSYS_IOS_HAS_OSTREAM_LONG_LONG)
    SET_PROPERTY(SOURCE SystemInformation.cxx testSystemInformation.cxx APPEND PROPERTY
      COMPILE_DEFINITIONS KWSYS_IOS_HAS_OSTREAM_LONG_LONG=1)
  ENDIF()
  IF(KWSYS_IOS_HAS_OSTREAM___INT64)
    SET_PROPERTY(SOURCE SystemInformation.cxx testSystemInformation.cxx APPEND PROPERTY
      COMPILE_DEFINITIONS KWSYS_IOS_HAS_OSTREAM___INT64=1)
  ENDIF()
  IF(KWSYS_BUILD_SHARED)
    SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
      COMPILE_DEFINITIONS KWSYS_BUILD_SHARED=1)
  ENDIF()
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  IF(UNIX AND NOT CYGWIN)
    KWSYS_PLATFORM_CXX_TEST(KWSYS_CXX_HAS_GETLOADAVG
      "Checking whether CXX compiler has getloadavg" DIRECT)
    IF(KWSYS_CXX_HAS_GETLOADAVG)
      SET_PROPERTY(SOURCE SystemInformation.cxx APPEND PROPERTY
        COMPILE_DEFINITIONS KWSYS_CXX_HAS_GETLOADAVG=1)
    ENDIF()
  ENDIF()
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ENDIF()

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#-----------------------------------------------------------------------------
# Choose a directory for the generated headers.
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IF(NOT KWSYS_HEADER_ROOT)
  SET(KWSYS_HEADER_ROOT "${PROJECT_BINARY_DIR}")
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ENDIF()
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SET(KWSYS_HEADER_DIR "${KWSYS_HEADER_ROOT}/${KWSYS_NAMESPACE}")
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INCLUDE_DIRECTORIES(${KWSYS_HEADER_ROOT})
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#-----------------------------------------------------------------------------
IF(KWSYS_INSTALL_DOC_DIR)
  # Assign the license to the runtime component since it must be
  # distributed with binary forms of this software.
  IF(KWSYS_INSTALL_COMPONENT_NAME_RUNTIME)
    SET(KWSYS_INSTALL_LICENSE_OPTIONS ${KWSYS_INSTALL_LICENSE_OPTIONS}
      COMPONENT ${KWSYS_INSTALL_COMPONENT_NAME_RUNTIME}
      )
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  ENDIF()
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  # Install the license under the documentation directory.
  INSTALL(FILES ${CMAKE_CURRENT_SOURCE_DIR}/Copyright.txt
    DESTINATION ${KWSYS_INSTALL_DOC_DIR}/${KWSYS_NAMESPACE}
    ${KWSYS_INSTALL_LICENSE_OPTIONS})
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ENDIF()
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#-----------------------------------------------------------------------------
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# Provide cstddef header.
CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/kwsys_cstddef.hxx.in
               ${KWSYS_HEADER_DIR}/cstddef
               @ONLY IMMEDIATE)
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IF(KWSYS_INSTALL_INCLUDE_DIR)
  INSTALL(FILES ${KWSYS_HEADER_DIR}/cstddef
    DESTINATION ${KWSYS_INSTALL_INCLUDE_DIR}/${KWSYS_NAMESPACE}
    ${KWSYS_INSTALL_INCLUDE_OPTIONS})
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ENDIF()
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#-----------------------------------------------------------------------------
# Build a list of classes and headers we need to implement the
# selected components.  Initialize with required components.
SET(KWSYS_CLASSES)
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SET(KWSYS_H_FILES Configure SharedForward)
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SET(KWSYS_HXX_FILES Configure String
  hashtable hash_fun hash_map hash_set
  auto_ptr
  )
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# Add selected C++ classes.
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SET(cppclasses
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  Directory DynamicLoader Encoding Glob RegularExpression SystemTools
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  CommandLineArguments IOStream FStream SystemInformation
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  )
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FOREACH(cpp ${cppclasses})
  IF(KWSYS_USE_${cpp})
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    # Use the corresponding class.
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    SET(KWSYS_CLASSES ${KWSYS_CLASSES} ${cpp})
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    # Load component-specific CMake code.
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    IF(EXISTS ${PROJECT_SOURCE_DIR}/kwsys${cpp}.cmake)
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      INCLUDE(${PROJECT_SOURCE_DIR}/kwsys${cpp}.cmake)
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    ENDIF()
  ENDIF()
ENDFOREACH()
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# Add selected C components.
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FOREACH(c
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    Process Base64 Encoding FundamentalType MD5 Terminal System String CPU
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    )
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  IF(KWSYS_USE_${c})
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    # Use the corresponding header file.
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    SET(KWSYS_H_FILES ${KWSYS_H_FILES} ${c})
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    # Load component-specific CMake code.
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    IF(EXISTS ${PROJECT_SOURCE_DIR}/kwsys${c}.cmake)
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      INCLUDE(${PROJECT_SOURCE_DIR}/kwsys${c}.cmake)
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    ENDIF()
  ENDIF()
ENDFOREACH()
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#-----------------------------------------------------------------------------
# Build a list of sources for the library based on components that are
# included.
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SET(KWSYS_C_SRCS)
SET(KWSYS_CXX_SRCS)
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# Add the proper sources for this platform's Process implementation.
IF(KWSYS_USE_Process)
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  IF(NOT UNIX)
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    # Use the Windows implementation.
    SET(KWSYS_C_SRCS ${KWSYS_C_SRCS} ProcessWin32.c)
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  ELSE()
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    # Use the UNIX implementation.
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    SET(KWSYS_C_SRCS ${KWSYS_C_SRCS} ProcessUNIX.c)
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  ENDIF()
ENDIF()
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# Add selected C sources.
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FOREACH(c Base64 Encoding MD5 Terminal System String)
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  IF(KWSYS_USE_${c})
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    IF(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${c}C.c)
      LIST(APPEND KWSYS_C_SRCS ${c}C.c)
    ELSE()
      LIST(APPEND KWSYS_C_SRCS ${c}.c)
    ENDIF()
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  ENDIF()
ENDFOREACH()
Andy Cedilnik's avatar
Andy Cedilnik committed
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# Configure headers of C++ classes and construct the list of sources.
FOREACH(c ${KWSYS_CLASSES})
  # Add this source to the list of source files for the library.
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  IF(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${c}CXX.cxx)
    LIST(APPEND KWSYS_CXX_SRCS ${c}CXX.cxx)
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  ELSEIF(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${c}.cxx)
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    LIST(APPEND KWSYS_CXX_SRCS ${c}.cxx)
  ENDIF()
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  # Configure the header for this class.
  CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/${c}.hxx.in ${KWSYS_HEADER_DIR}/${c}.hxx
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                 @ONLY IMMEDIATE)
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  SET(KWSYS_CXX_SRCS ${KWSYS_CXX_SRCS} ${KWSYS_HEADER_DIR}/${c}.hxx)
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  # Create an install target for the header.
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  IF(KWSYS_INSTALL_INCLUDE_DIR)
    INSTALL(FILES ${KWSYS_HEADER_DIR}/${c}.hxx
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      DESTINATION ${KWSYS_INSTALL_INCLUDE_DIR}/${KWSYS_NAMESPACE}
      ${KWSYS_INSTALL_INCLUDE_OPTIONS})
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  ENDIF()
ENDFOREACH()
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# Configure C headers.
FOREACH(h ${KWSYS_H_FILES})
  # Configure the header into the given directory.
  CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/${h}.h.in ${KWSYS_HEADER_DIR}/${h}.h
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                 @ONLY IMMEDIATE)
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  SET(KWSYS_C_SRCS ${KWSYS_C_SRCS} ${KWSYS_HEADER_DIR}/${h}.h)
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  # Create an install target for the header.
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  IF(KWSYS_INSTALL_INCLUDE_DIR)
    INSTALL(FILES ${KWSYS_HEADER_DIR}/${h}.h
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      DESTINATION ${KWSYS_INSTALL_INCLUDE_DIR}/${KWSYS_NAMESPACE}
      ${KWSYS_INSTALL_INCLUDE_OPTIONS})
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  ENDIF()
ENDFOREACH()
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# Configure other C++ headers.
FOREACH(h ${KWSYS_HXX_FILES})
  # Configure the header into the given directory.
  CONFIGURE_FILE(${PROJECT_SOURCE_DIR}/${h}.hxx.in ${KWSYS_HEADER_DIR}/${h}.hxx
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                 @ONLY IMMEDIATE)
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  SET(KWSYS_CXX_SRCS ${KWSYS_CXX_SRCS} ${KWSYS_HEADER_DIR}/${h}.hxx)
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  # Create an install target for the header.
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  IF(KWSYS_INSTALL_INCLUDE_DIR)
    INSTALL(FILES ${KWSYS_HEADER_DIR}/${h}.hxx
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      DESTINATION ${KWSYS_INSTALL_INCLUDE_DIR}/${KWSYS_NAMESPACE}
      ${KWSYS_INSTALL_INCLUDE_OPTIONS})
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  ENDIF()
ENDFOREACH()
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#-----------------------------------------------------------------------------
# Add the library with the configured name and list of sources.
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IF(KWSYS_C_SRCS OR KWSYS_CXX_SRCS)
  ADD_LIBRARY(${KWSYS_NAMESPACE} ${KWSYS_LIBRARY_TYPE}
    ${KWSYS_C_SRCS} ${KWSYS_CXX_SRCS})
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  SET_PROPERTY(TARGET ${KWSYS_NAMESPACE} PROPERTY LABELS ${KWSYS_LABELS_LIB})
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  IF(KWSYS_USE_DynamicLoader)
    IF(UNIX)
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      TARGET_LINK_LIBRARIES(${KWSYS_NAMESPACE} ${CMAKE_DL_LIBS})
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    ENDIF()
  ENDIF()
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  IF(KWSYS_USE_SystemInformation)
    IF(WIN32)
      TARGET_LINK_LIBRARIES(${KWSYS_NAMESPACE} ws2_32)
      IF(KWSYS_SYS_HAS_PSAPI)
        TARGET_LINK_LIBRARIES(${KWSYS_NAMESPACE} Psapi)
      ENDIF()
    ELSEIF(UNIX)
      IF (EXECINFO_LIB AND KWSYS_CXX_HAS_BACKTRACE)
        # backtrace on FreeBSD is not in libc
        TARGET_LINK_LIBRARIES(${KWSYS_NAMESPACE} ${EXECINFO_LIB})
      ENDIF()
      IF (KWSYS_CXX_HAS_DLADDR)
        # for symbol lookup using dladdr
        TARGET_LINK_LIBRARIES(${KWSYS_NAMESPACE} ${CMAKE_DL_LIBS})
      ENDIF()
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    ENDIF()
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  ENDIF()
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  # Apply user-defined target properties to the library.
  IF(KWSYS_PROPERTIES_CXX)
    SET_TARGET_PROPERTIES(${KWSYS_NAMESPACE} PROPERTIES
      ${KWSYS_PROPERTIES_CXX}
      )
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  ENDIF()
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  # Create an install target for the library.
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  IF(KWSYS_INSTALL_LIBRARY_RULE)
    INSTALL(TARGETS ${KWSYS_NAMESPACE} ${KWSYS_INSTALL_LIBRARY_RULE})
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  ENDIF()
ENDIF()
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# Add a C-only library if requested.
IF(KWSYS_ENABLE_C AND KWSYS_C_SRCS)
  ADD_LIBRARY(${KWSYS_NAMESPACE}_c ${KWSYS_LIBRARY_TYPE} ${KWSYS_C_SRCS})
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  SET_PROPERTY(TARGET ${KWSYS_NAMESPACE}_c PROPERTY LABELS ${KWSYS_LABELS_LIB})
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  # Apply user-defined target properties to the library.
  IF(KWSYS_PROPERTIES_C)
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    SET_TARGET_PROPERTIES(${KWSYS_NAMESPACE}_c PROPERTIES
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      ${KWSYS_PROPERTIES_C}
      )
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  ENDIF()
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  # Create an install target for the library.
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  IF(KWSYS_INSTALL_LIBRARY_RULE)
    INSTALL(TARGETS ${KWSYS_NAMESPACE}_c ${KWSYS_INSTALL_LIBRARY_RULE})
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  ENDIF()
ENDIF()
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# For building kwsys itself, we use a macro defined on the command
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# line to configure the namespace in the C and C++ source files.
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ADD_DEFINITIONS("-DKWSYS_NAMESPACE=${KWSYS_NAMESPACE}")
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# Disable deprecation warnings for standard C functions.
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IF(MSVC OR (WIN32 AND CMAKE_C_COMPILER_ID STREQUAL "Intel"))
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  ADD_DEFINITIONS(
    -D_CRT_NONSTDC_NO_DEPRECATE
    -D_CRT_SECURE_NO_DEPRECATE
    -D_CRT_SECURE_NO_WARNINGS
    -D_SCL_SECURE_NO_DEPRECATE
    )
ENDIF()

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IF(WIN32)
  # Help enforce the use of wide Windows apis.
  ADD_DEFINITIONS(-DUNICODE -D_UNICODE)
ENDIF()

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IF(KWSYS_USE_String)
  # Activate code in "String.c".  See the comment in the source.
  SET_SOURCE_FILES_PROPERTIES(String.c PROPERTIES
    COMPILE_FLAGS "-DKWSYS_STRING_C")
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ENDIF()
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IF(KWSYS_USE_Encoding)
  # Set default 8 bit encoding in "EndcodingC.c".
  SET_PROPERTY(SOURCE EncodingC.c APPEND PROPERTY COMPILE_DEFINITIONS
    KWSYS_ENCODING_DEFAULT_CODEPAGE=${KWSYS_ENCODING_DEFAULT_CODEPAGE})
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ENDIF()
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#-----------------------------------------------------------------------------
# Setup testing if not being built as part of another project.
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IF(KWSYS_STANDALONE OR CMake_SOURCE_DIR)
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  IF(BUILD_TESTING)
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    # Compute the location of executables.
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    SET(EXEC_DIR "${CMAKE_CURRENT_BINARY_DIR}")
    IF(EXECUTABLE_OUTPUT_PATH)
      SET(EXEC_DIR "${EXECUTABLE_OUTPUT_PATH}")
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    ENDIF()
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    # C tests
    SET(KWSYS_C_TESTS