CMakeLists.txt 16.4 KB
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cmake_minimum_required (VERSION 2.6)
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PROJECT(FindPackageTest)

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LIST(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})

# Look for a package which uses FindPackageHandleStandardArgs.cmake with the
# new (as of cmake 2.8.3) syntax. This works only if CMP0017 is set to NEW,
# because otherwise FindPackageHandleStandardArgs.cmake from the current
# directory is included (via CMAKE_MODULE_PATH).
CMAKE_POLICY(SET CMP0017 NEW)
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FIND_PACKAGE(ZLIB QUIET)
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# Look for a package that has a find module and may be found.
FIND_PACKAGE(OpenGL QUIET)

# Look for a package that has no find module and will not be found.
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FIND_PACKAGE(NotAPackage QUIET)
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# Look for a package that has an advanced find module.
FIND_PACKAGE(VTK QUIET)

ADD_EXECUTABLE(FindPackageTest FindPackageTest.cxx)
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# test behaviour of cmFindBase wrt. the CMAKE_PREFIX_PATH variable
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# foo.h should be found in ${CMAKE_CURRENT_SOURCE_DIR}/include:

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SET(CMAKE_PREFIX_PATH /blub /blah "${CMAKE_CURRENT_SOURCE_DIR}")
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FIND_PATH(FOO_DIR foo.h)

IF(NOT FOO_DIR)
  MESSAGE(FATAL_ERROR "Did not find foo.h which is in ${CMAKE_CURRENT_SOURCE_DIR}/include
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  CMAKE_PREFIX_PATH = ${CMAKE_PREFIX_PATH}")
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ENDIF(NOT FOO_DIR)

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FIND_PACKAGE(VersionTestA 1)
FIND_PACKAGE(VersionTestB 1.2)
FIND_PACKAGE(VersionTestC 1.2.3)
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FIND_PACKAGE(VersionTestD 1.2.3.4)
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#-----------------------------------------------------------------------------
# Test system package registry if possible.
SET(CMakeTestSystemPackage "")
IF(WIN32 AND NOT CYGWIN)
  # Try writing a value to the system package registry.
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  SET(_data "${FindPackageTest_SOURCE_DIR}/SystemPackage")
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  SET(_key "HKLM\\Software\\Kitware\\CMake\\Packages\\CMakeTestSystemPackage")
  SET(_file "${FindPackageTest_BINARY_DIR}/CMakeTestSystemPackage.data")
  FILE(WRITE ${_file} "${_data}\n")
  EXECUTE_PROCESS(
    COMMAND ${CMAKE_COMMAND} -E md5sum ${_file}
    OUTPUT_VARIABLE _output ERROR_VARIABLE _error RESULT_VARIABLE _failed
    OUTPUT_STRIP_TRAILING_WHITESPACE
    )
  STRING(REGEX REPLACE " .*" "" _value "${_output}")
  IF(NOT _failed AND _value)
    EXECUTE_PROCESS(
      COMMAND reg add "${_key}" /v "${_value}" /t REG_SZ /d "${_data}" /f
      OUTPUT_VARIABLE _output ERROR_VARIABLE _output RESULT_VARIABLE _failed
      )
  ENDIF()
  # If the above worked, add the rest of the test and a rule to
  # cleanup the value.
  IF(NOT _failed)
    MESSAGE(STATUS "HKLM is writable: enabling CMakeTestSystemPackage")
    SET(CMakeTestSystemPackage_CLEANUP reg delete "${_key}" /v "${_value}" /f)
    SET(CMakeTestSystemPackage CMakeTestSystemPackage)
  ELSE()
    MESSAGE(STATUS "HKLM is readonly: disabling CMakeTestSystemPackage")
  ENDIF()
ENDIF()

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

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#SET(CMAKE_FIND_DEBUG_MODE 1)

# For purposes of the test wipe out previous find results.
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SET(PACKAGES
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  foo Foo Bar Blub TFramework Tframework TApp Tapp Special
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  VersionedA VersionedB VersionedC VersionedD VersionedE
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  WrongA WrongB WrongC WrongD
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  wibbleA wibbleB
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  RecursiveA RecursiveB RecursiveC
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  ArchA ArchB ArchC ArchD
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  EnvA EnvB
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  ${CMakeTestSystemPackage}
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  )
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FOREACH(p ${PACKAGES})
  SET(${p}_DIR "" CACHE FILEPATH "Wipe out find results for testing." FORCE)
ENDFOREACH(p)

# Enable framework and bundle searching.  Make sure bundles are found
# before unix-syle packages.
SET(CMAKE_FIND_FRAMEWORK LAST)
SET(CMAKE_FIND_APPBUNDLE FIRST)

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# Set the wrong answer for a find to make sure it re-finds.
set(VersionedA_DIR ${CMAKE_CURRENT_SOURCE_DIR}/lib/cmake/zot-4.0)

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# Test that CMAKE_IGNORE_PATH can ignore the purposely bad package
# files in the lib/cmake/zot-3.1 directory.
set(CMAKE_IGNORE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/lib/cmake/zot-3.1)

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# Look for packages with new-style signatures.
FIND_PACKAGE(foo NO_MODULE)
FIND_PACKAGE(Foo CONFIGS FooConfig.cmake)
FIND_PACKAGE(Bar)
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SET(CMAKE_DISABLE_FIND_PACKAGE_Blub TRUE)
FIND_PACKAGE(Blub NO_MODULE)
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FIND_PACKAGE(TFramework CONFIGS TFrameworkConfig.cmake)
FIND_PACKAGE(Tframework)
FIND_PACKAGE(TApp)
FIND_PACKAGE(Tapp CONFIGS tapp-config.cmake)
FIND_PACKAGE(Special NAMES Suffix SuffixTest PATH_SUFFIXES test)
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FIND_PACKAGE(VersionedA 2 NAMES zot)
FIND_PACKAGE(VersionedB 3.1 EXACT NAMES zot)
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FIND_PACKAGE(VersionedC 4.0 EXACT NAMES zot)
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FIND_PACKAGE(VersionedD 1.1 EXACT NAMES Baz)
FIND_PACKAGE(VersionedE 1.2 EXACT NAMES Baz)
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# Test wrong initial path when result is present.
SET(WrongA_DIR "${VersionedD_DIR}")
FIND_PACKAGE(WrongA 1.2 EXACT NAMES Baz)

# Test wrong initial cache entry of UNINITIALIZED type when result is present.
SET(WrongB_DIR "${VersionedD_DIR}" CACHE UNINITIALIZED "Wrong Value" FORCE)
GET_PROPERTY(type CACHE WrongB_DIR PROPERTY TYPE)
FIND_PACKAGE(WrongB 1.2 EXACT NAMES Baz)

# Test wrong initial path when result is missing.
SET(WrongC_DIR "${VersionedD_DIR}")
FIND_PACKAGE(WrongC 1.3 EXACT QUIET NAMES Baz)

# Test wrong initial cache entry of UNINITIALIZED type when result is missing.
SET(WrongD_DIR "${VersionedD_DIR}" CACHE UNINITIALIZED "Wrong Value" FORCE)
GET_PROPERTY(type CACHE WrongD_DIR PROPERTY TYPE)
FIND_PACKAGE(WrongD 1.3 EXACT QUIET NAMES Baz)

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# HINTS should override the system but PATHS should not
LIST(INSERT CMAKE_SYSTEM_PREFIX_PATH 0 "${CMAKE_CURRENT_SOURCE_DIR}/A")
FIND_PACKAGE(wibbleA NAMES wibble PATHS B)
FIND_PACKAGE(wibbleB NAMES wibble HINTS B)

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# Look for package with recursive find-modules.
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FIND_PACKAGE(RecursiveA COMPONENTS A)
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FIND_PACKAGE(RecursiveB 2)
FIND_PACKAGE(RecursiveC 3.1 EXACT)

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# Test architecture-specific search directories.
SET(CMAKE_LIBRARY_ARCHITECTURE arch)
FIND_PACKAGE(ArchA NAMES Bar)
FIND_PACKAGE(ArchB NAMES Foo CONFIGS FooConfig.cmake)
FIND_PACKAGE(ArchC 3.1 EXACT NAMES zot)
FIND_PACKAGE(ArchD 4.0 EXACT NAMES zot)
UNSET(CMAKE_LIBRARY_ARCHITECTURE)

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# Test <Package>_DIR environment variable.
# We erase the main prefix path to ensure the env var is used.
SET(CMAKE_PREFIX_PATH)
SET(ENV{EnvA_DIR} "${CMAKE_CURRENT_SOURCE_DIR}/lib/zot-3.1")
FIND_PACKAGE(EnvA 3.1 EXACT QUIET NAMES zot) # Should Work
FIND_PACKAGE(EnvB 3.1 EXACT QUIET NAMES zot) # Should Fail

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# Test system package registry if available.
IF(CMakeTestSystemPackage)
  FIND_PACKAGE(CMakeTestSystemPackage)
  EXECUTE_PROCESS(COMMAND ${CMakeTestSystemPackage_CLEANUP}
    OUTPUT_VARIABLE _output ERROR_VARIABLE _error)
ENDIF()

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# Expected locations at which packages should be found.
SET(foo_EXPECTED "lib/foo-1.2/foo-config.cmake")
SET(Foo_EXPECTED "lib/foo-1.2/CMake/FooConfig.cmake")
SET(Bar_EXPECTED "lib/Bar/BarConfig.cmake")
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SET(Blub_MISSING "")
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SET(Special_EXPECTED "lib/suffix/test/SuffixTestConfig.cmake")
SET(TFramework_EXPECTED
  "TFramework.framework/Versions/A/Resources/CMake/TFrameworkConfig.cmake")
SET(Tframework_EXPECTED
  "TFramework.framework/Versions/A/Resources/tframework-config.cmake")
SET(TApp_EXPECTED
  "TApp.app/Contents/Resources/TAppConfig.cmake")
SET(Tapp_EXPECTED
  "TApp.app/Contents/Resources/cmake/tapp-config.cmake")
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SET(VersionedA_EXPECTED "lib/zot-2.0/zot-config.cmake")
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SET(VersionedB_EXPECTED "lib/zot-3.1/zot-config.cmake")
SET(VersionedC_EXPECTED "lib/cmake/zot-4.0/zot-config.cmake")
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SET(VersionedD_EXPECTED "Baz 1.1/BazConfig.cmake")
SET(VersionedE_EXPECTED "Baz 1.2/CMake/BazConfig.cmake")
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SET(WrongA_EXPECTED "${VersionedE_EXPECTED}")
SET(WrongB_EXPECTED "${VersionedE_EXPECTED}")
SET(WrongC_MISSING "WrongC_DIR-NOTFOUND")
SET(WrongD_MISSING "WrongD_DIR-NOTFOUND")
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SET(wibbleA_EXPECTED "A/wibble-config.cmake")
SET(wibbleB_EXPECTED "B/wibble-config.cmake")
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SET(RecursiveA_EXPECTED "lib/RecursiveA/recursivea-config.cmake")
SET(RecursiveB_EXPECTED "lib/zot-2.0/zot-config.cmake")
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SET(RecursiveC_EXPECTED "lib/zot-3.1/zot-config.cmake")
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SET(ArchA_EXPECTED "lib/arch/Bar/BarConfig.cmake")
SET(ArchB_EXPECTED "lib/arch/foo-1.2/CMake/FooConfig.cmake")
SET(ArchC_EXPECTED "lib/arch/zot-3.1/zot-config.cmake")
SET(ArchD_EXPECTED "lib/arch/cmake/zot-4.0/zot-config.cmake")
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SET(EnvA_EXPECTED "lib/zot-3.1/zot-config.cmake")
SET(EnvB_MISSING "EnvB_DIR-NOTFOUND")
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SET(CMakeTestSystemPackage_EXPECTED "SystemPackage/CMakeTestSystemPackageConfig.cmake")
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# Check the results.
FOREACH(p ${PACKAGES})
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  IF(DEFINED ${p}_MISSING)
    # Check and report failure.
    IF(NOT "${${p}_DIR}" STREQUAL "${${p}_MISSING}")
      MESSAGE(SEND_ERROR
        "Package ${p} should have been [${${p}_MISSING}] but "
        "was [${${p}_DIR}]")
    ENDIF()
  ELSEIF(${p}_FOUND)
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    # Convert to relative path for comparison to expected location.
    FILE(RELATIVE_PATH REL_${p}_CONFIG "${CMAKE_CURRENT_SOURCE_DIR}"
      "${${p}_CONFIG}")

    # Debugging output.
    IF(CMAKE_FIND_DEBUG_MODE)
      MESSAGE("Package ${p} found [${REL_${p}_CONFIG}]")
    ENDIF(CMAKE_FIND_DEBUG_MODE)

    # Check and report failure.
    IF(NOT "${REL_${p}_CONFIG}" STREQUAL "${${p}_EXPECTED}")
      MESSAGE(SEND_ERROR
        "Package ${p} should have been [${${p}_EXPECTED}] but "
        "was [${REL_${p}_CONFIG}]")
    ENDIF(NOT "${REL_${p}_CONFIG}" STREQUAL "${${p}_EXPECTED}")
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  ELSE()
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    MESSAGE(SEND_ERROR "Package ${p} not found!")
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  ENDIF()
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ENDFOREACH(p)
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# Check that version information was extracted.
IF(NOT "${VersionedA_VERSION}" STREQUAL "2.0")
  MESSAGE(SEND_ERROR
    "Package VersionedA is version [${VersionedA_VERSION}], not [2.0]")
ENDIF(NOT "${VersionedA_VERSION}" STREQUAL "2.0")
IF(NOT "${VersionedA_VERSION_MAJOR}" STREQUAL "2")
  MESSAGE(SEND_ERROR
    "Package VersionedA is major version [${VersionedA_VERSION_MAJOR}], not [2]")
ENDIF(NOT "${VersionedA_VERSION_MAJOR}" STREQUAL "2")
IF(NOT "${VersionedA_VERSION_MINOR}" STREQUAL "0")
  MESSAGE(SEND_ERROR
    "Package VersionedA is minor version [${VersionedA_VERSION_MINOR}], not [0]")
ENDIF(NOT "${VersionedA_VERSION_MINOR}" STREQUAL "0")

IF(NOT "${VersionedB_VERSION}" STREQUAL "3.1")
  MESSAGE(SEND_ERROR
    "Package VersionedB is version [${VersionedB_VERSION}], not [3.1]")
ENDIF(NOT "${VersionedB_VERSION}" STREQUAL "3.1")
IF(NOT "${VersionedB_VERSION_MAJOR}" STREQUAL "3")
  MESSAGE(SEND_ERROR
    "Package VersionedB is major version [${VersionedB_VERSION_MAJOR}], not [3]")
ENDIF(NOT "${VersionedB_VERSION_MAJOR}" STREQUAL "3")
IF(NOT "${VersionedB_VERSION_MINOR}" STREQUAL "1")
  MESSAGE(SEND_ERROR
    "Package VersionedB is minor version [${VersionedB_VERSION_MINOR}], not [1]")
ENDIF(NOT "${VersionedB_VERSION_MINOR}" STREQUAL "1")

IF(NOT "${Special_VERSION}" STREQUAL "1.2")
  MESSAGE(SEND_ERROR
    "Package Special is version [${Special_VERSION}], not [1.2]")
ENDIF(NOT "${Special_VERSION}" STREQUAL "1.2")
IF(NOT "${Special_VERSION_MAJOR}" STREQUAL "1")
  MESSAGE(SEND_ERROR
    "Package Special is major version [${Special_VERSION_MAJOR}], not [1]")
ENDIF(NOT "${Special_VERSION_MAJOR}" STREQUAL "1")
IF(NOT "${Special_VERSION_MINOR}" STREQUAL "2")
  MESSAGE(SEND_ERROR
    "Package Special is minor version [${Special_VERSION_MINOR}], not [2]")
ENDIF(NOT "${Special_VERSION_MINOR}" STREQUAL "2")
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# Test version number comparison.
IF(NOT "1.2.3.4" VERSION_LESS "1.2.3.5")
  MESSAGE(SEND_ERROR "1.2.3.4 VERSION_LESS 1.2.3.5 is not true!")
ENDIF()
IF(NOT "1.2" VERSION_LESS "1.10")
  MESSAGE(SEND_ERROR "1.2 VERSION_LESS 1.10 is not true!")
ENDIF()
IF(NOT "1.02" VERSION_GREATER "1.1")
  MESSAGE(SEND_ERROR "1.02 VERSION_GREATER 1.1 is not true!")
ENDIF()
IF("1.2.3" VERSION_GREATER "1.2.3.4")
  MESSAGE(SEND_ERROR "1.2.3 VERSION_GREATER 1.2.3.4 is not false!")
ENDIF()
IF(NOT "1.2" VERSION_EQUAL "1.2.0.0")
  MESSAGE(SEND_ERROR "1.2 VERSION_EQUAL 1.2.0.0 is not true!")
ENDIF()
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#-----------------------------------------------------------------------------
# Test export(PACKAGE) with find_package.
MESSAGE(STATUS "Preparing export(PACKAGE) test project")
TRY_COMPILE(EXPORTER_COMPILED
  ${FindPackageTest_BINARY_DIR}/Exporter
  ${FindPackageTest_SOURCE_DIR}/Exporter
  CMakeTestExportPackage dummy
  OUTPUT_VARIABLE output)
MESSAGE(STATUS "Searching for export(PACKAGE) test project")
SET(CMakeTestExportPackage_DIR "" CACHE FILEPATH
  "Wipe out find results for testing." FORCE)
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STRING(REGEX REPLACE "-.*$" "" version ${CMAKE_VERSION})
FIND_PACKAGE(CMakeTestExportPackage 1.${version} EXACT REQUIRED)
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#-----------------------------------------------------------------------------
# Test configure_package_config_file().

include(CMakePackageConfigHelpers)

set(INCLUDE_INSTALL_DIR include )
set(SHARE_INSTALL_DIR "${CMAKE_INSTALL_PREFIX}/share/" )
set(CURRENT_BUILD_DIR "${CMAKE_CURRENT_BINARY_DIR}" )

configure_package_config_file(RelocatableConfig.cmake.in "${CMAKE_CURRENT_BINARY_DIR}/RelocatableConfig.cmake"
                              INSTALL_DESTINATION "${CMAKE_INSTALL_PREFIX}"
                              PATH_VARS INCLUDE_INSTALL_DIR SHARE_INSTALL_DIR CURRENT_BUILD_DIR
                             )

include("${CMAKE_CURRENT_BINARY_DIR}/RelocatableConfig.cmake")

if(NOT "${RELOC_INCLUDE_DIR}" STREQUAL "${CMAKE_CURRENT_BINARY_DIR}/include")
  message(SEND_ERROR "RELOC_INCLUDE_DIR set by configure_package_config_file() is set to \"${RELOC_INCLUDE_DIR}\" (expected \"${CMAKE_CURRENT_BINARY_DIR}/include\")")
endif()

if(NOT "${RELOC_SHARE_DIR}" STREQUAL "${CMAKE_CURRENT_BINARY_DIR}/share/")
  message(SEND_ERROR "RELOC_SHARE_DIR set by configure_package_config_file() is set to \"${RELOC_SHARE_DIR}\" (expected \"${CMAKE_CURRENT_BINARY_DIR}/share/\")")
endif()

if(NOT "${RELOC_BUILD_DIR}" STREQUAL "${CMAKE_CURRENT_BINARY_DIR}")
  message(SEND_ERROR "RELOC_BUILD_DIR set by configure_package_config_file() is set to \"${RELOC_BUILD_DIR}\" (expected \"${CMAKE_CURRENT_BINARY_DIR}\")")
endif()

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#-----------------------------------------------------------------------------
# Test write_basic_config_version_file().

include(WriteBasicConfigVersionFile)

write_basic_config_version_file(${CMAKE_CURRENT_BINARY_DIR}/Foo123ConfigVersion.cmake
                                VERSION 1.2.3
                                COMPATIBILITY AnyNewerVersion)

set(PACKAGE_FIND_VERSION 2.3.4)
include(${CMAKE_CURRENT_BINARY_DIR}/Foo123ConfigVersion.cmake)
if(PACKAGE_VERSION_COMPATIBLE)
  message(SEND_ERROR "Found Foo123 with version 1.2.3, but 2.3.4 was requested !")
endif()

set(PACKAGE_FIND_VERSION 0.0.1)
include(${CMAKE_CURRENT_BINARY_DIR}/Foo123ConfigVersion.cmake)
if(NOT PACKAGE_VERSION_COMPATIBLE)
  message(SEND_ERROR "Did not find Foo123 with version 1.2.3 (0.0.1 was requested) !")
endif()

set(PACKAGE_FIND_VERSION 1.0.0)
include(${CMAKE_CURRENT_BINARY_DIR}/Foo123ConfigVersion.cmake)
if(NOT PACKAGE_VERSION_COMPATIBLE)
  message(SEND_ERROR "Did not find Foo123 with version 1.2.3 (1.0.0 was requested) !")
endif()
if(PACKAGE_VERSION_EXACT)
  message(SEND_ERROR "PACKAGE_VERSION_EXACT set, although it should not be !")
endif()

set(PACKAGE_FIND_VERSION 1.2.3)
include(${CMAKE_CURRENT_BINARY_DIR}/Foo123ConfigVersion.cmake)
if(NOT PACKAGE_VERSION_COMPATIBLE)
  message(SEND_ERROR "Did not find Foo123 with version 1.2.3 (1.2.3 was requested) !")
endif()
if(NOT PACKAGE_VERSION_EXACT)
  message(SEND_ERROR "PACKAGE_VERSION_EXACT not set, although it should be !")
endif()


#######################

write_basic_config_version_file(${CMAKE_CURRENT_BINARY_DIR}/Boo123ConfigVersion.cmake
                                VERSION 1.2.3
                                COMPATIBILITY SameMajorVersion)

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set(PACKAGE_VERSION_EXACT FALSE)
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set(PACKAGE_FIND_VERSION 2.3.4)
set(PACKAGE_FIND_VERSION_MAJOR 2)
include(${CMAKE_CURRENT_BINARY_DIR}/Boo123ConfigVersion.cmake)
if(PACKAGE_VERSION_COMPATIBLE)
  message(SEND_ERROR "Found Boo123 with version 1.2.3, but 2.3.4 was requested !")
endif()
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if(PACKAGE_VERSION_EXACT)
  message(SEND_ERROR "PACKAGE_VERSION_EXACT set, although it should not be !")
endif()
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set(PACKAGE_FIND_VERSION 0.0.1)
set(PACKAGE_FIND_VERSION_MAJOR 0)
include(${CMAKE_CURRENT_BINARY_DIR}/Boo123ConfigVersion.cmake)
if(PACKAGE_VERSION_COMPATIBLE)
  message(SEND_ERROR "Found Boo123 with version 1.2.3, but 0.0.1 was requested !")
endif()
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if(PACKAGE_VERSION_EXACT)
  message(SEND_ERROR "PACKAGE_VERSION_EXACT set, although it should not be !")
endif()
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set(PACKAGE_FIND_VERSION 1.0.0)
set(PACKAGE_FIND_VERSION_MAJOR 1)
include(${CMAKE_CURRENT_BINARY_DIR}/Boo123ConfigVersion.cmake)
if(NOT PACKAGE_VERSION_COMPATIBLE)
  message(SEND_ERROR "Did not find Boo123 with version 1.2.3 (1.0.0 was requested) !")
endif()
if(PACKAGE_VERSION_EXACT)
  message(SEND_ERROR "PACKAGE_VERSION_EXACT set, although it should not be !")
endif()

set(PACKAGE_FIND_VERSION 1.2.3)
set(PACKAGE_FIND_VERSION_MAJOR 1)
include(${CMAKE_CURRENT_BINARY_DIR}/Boo123ConfigVersion.cmake)
if(NOT PACKAGE_VERSION_COMPATIBLE)
  message(SEND_ERROR "Did not find Boo123 with version 1.2.3 (1.2.3 was requested) !")
endif()
if(NOT PACKAGE_VERSION_EXACT)
  message(SEND_ERROR "PACKAGE_VERSION_EXACT not set, although it should be !")
endif()
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if(PACKAGE_VERSION_UNSUITABLE)
  message(SEND_ERROR "PACKAGE_VERSION_UNSUITABLE set, but must not be !")
endif()