321 lines
9.9 KiB
CMake
321 lines
9.9 KiB
CMake
# Copyright Contributors to the OpenVDB Project
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# SPDX-License-Identifier: Apache-2.0
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#
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#[=======================================================================[.rst:
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FindCppUnit
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-----------
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Find CppUnit include dirs and libraries
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Use this module by invoking find_package with the form::
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find_package(CppUnit
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[version] [EXACT] # Minimum or EXACT version
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[REQUIRED] # Fail with error if CppUnit is not found
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)
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IMPORTED Targets
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^^^^^^^^^^^^^^^^
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``CppUnit::cppunit``
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This module defines IMPORTED target CppUnit::cppunit, if CppUnit has been
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found.
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Result Variables
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^^^^^^^^^^^^^^^^
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This will define the following variables:
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``CppUnit_FOUND``
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True if the system has the CppUnit library.
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``CppUnit_VERSION``
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The version of the CppUnit library which was found.
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``CppUnit_INCLUDE_DIRS``
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Include directories needed to use CppUnit.
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``CppUnit_RELEASE_LIBRARIES``
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Libraries needed to link to the release version of CppUnit.
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``CppUnit_RELEASE_LIBRARY_DIRS``
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CppUnit release library directories.
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``CppUnit_DEBUG_LIBRARIES``
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Libraries needed to link to the debug version of CppUnit.
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``CppUnit_DEBUG_LIBRARY_DIRS``
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CppUnit debug library directories.
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Deprecated - use [RELEASE|DEBUG] variants:
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``CppUnit_LIBRARIES``
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Libraries needed to link to CppUnit.
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``CppUnit_LIBRARY_DIRS``
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CppUnit library directories.
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Cache Variables
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^^^^^^^^^^^^^^^
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The following cache variables may also be set:
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``CppUnit_INCLUDE_DIR``
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The directory containing ``cppunit/Portability.h``.
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``CppUnit_LIBRARY``
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The path to the CppUnit library.
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Hints
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^^^^^
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Instead of explicitly setting the cache variables, the following variables
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may be provided to tell this module where to look.
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``CppUnit_ROOT``
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Preferred installation prefix.
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``CPPUNIT_INCLUDEDIR``
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Preferred include directory e.g. <prefix>/include
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``CPPUNIT_LIBRARYDIR``
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Preferred library directory e.g. <prefix>/lib
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``CPPUNIT_DEBUG_SUFFIX``
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Suffix of the debug version of CppUnit libs. Defaults to "_d".
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``SYSTEM_LIBRARY_PATHS``
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Global list of library paths intended to be searched by and find_xxx call
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``CPPUNIT_USE_STATIC_LIBS``
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Only search for static cppunit libraries
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``DISABLE_CMAKE_SEARCH_PATHS``
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Disable CMakes default search paths for find_xxx calls in this module
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#]=======================================================================]
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cmake_minimum_required(VERSION 3.20)
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include(GNUInstallDirs)
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mark_as_advanced(
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CppUnit_INCLUDE_DIR
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CppUnit_LIBRARY
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)
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set(_FIND_CPPUNIT_ADDITIONAL_OPTIONS "")
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if(DISABLE_CMAKE_SEARCH_PATHS)
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set(_FIND_CPPUNIT_ADDITIONAL_OPTIONS NO_DEFAULT_PATH)
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endif()
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# Set _CPPUNIT_ROOT based on a user provided root var. Xxx_ROOT and ENV{Xxx_ROOT}
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# are prioritised over the legacy capitalized XXX_ROOT variables for matching
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# CMake 3.12 behaviour
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# @todo deprecate -D and ENV CPPUNIT_ROOT from CMake 3.12
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if(CppUnit_ROOT)
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set(_CPPUNIT_ROOT ${CppUnit_ROOT})
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elseif(DEFINED ENV{CppUnit_ROOT})
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set(_CPPUNIT_ROOT $ENV{CppUnit_ROOT})
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elseif(CPPUNIT_ROOT)
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set(_CPPUNIT_ROOT ${CPPUNIT_ROOT})
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elseif(DEFINED ENV{CPPUNIT_ROOT})
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set(_CPPUNIT_ROOT $ENV{CPPUNIT_ROOT})
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endif()
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# Additionally try and use pkconfig to find cppunit
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if(USE_PKGCONFIG)
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if(NOT DEFINED PKG_CONFIG_FOUND)
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find_package(PkgConfig)
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endif()
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pkg_check_modules(PC_CppUnit QUIET cppunit)
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endif()
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# ------------------------------------------------------------------------
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# Search for CppUnit include DIR
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# ------------------------------------------------------------------------
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set(_CPPUNIT_INCLUDE_SEARCH_DIRS "")
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list(APPEND _CPPUNIT_INCLUDE_SEARCH_DIRS
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${CPPUNIT_INCLUDEDIR}
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${_CPPUNIT_ROOT}
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${PC_CppUnit_INCLUDEDIR}
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${SYSTEM_LIBRARY_PATHS}
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)
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# Look for a standard cppunit header file.
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find_path(CppUnit_INCLUDE_DIR cppunit/Portability.h
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${_FIND_CPPUNIT_ADDITIONAL_OPTIONS}
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PATHS ${_CPPUNIT_INCLUDE_SEARCH_DIRS}
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PATH_SUFFIXES ${CMAKE_INSTALL_INCLUDEDIR} include
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)
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if(EXISTS "${CppUnit_INCLUDE_DIR}/cppunit/Portability.h")
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file(STRINGS "${CppUnit_INCLUDE_DIR}/cppunit/Portability.h"
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_cppunit_version_string REGEX "#define CPPUNIT_VERSION "
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)
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string(REGEX REPLACE "#define CPPUNIT_VERSION +\"(.+)\".*$" "\\1"
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_cppunit_version_string "${_cppunit_version_string}"
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)
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string(STRIP "${_cppunit_version_string}" CppUnit_VERSION)
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unset(_cppunit_version_string )
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endif()
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# ------------------------------------------------------------------------
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# Search for CppUnit lib DIR
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# ------------------------------------------------------------------------
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if(NOT DEFINED CPPUNIT_DEBUG_SUFFIX)
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set(CPPUNIT_DEBUG_SUFFIX "d")
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endif()
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set(_CPPUNIT_LIBRARYDIR_SEARCH_DIRS "")
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list(APPEND _CPPUNIT_LIBRARYDIR_SEARCH_DIRS
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${CPPUNIT_LIBRARYDIR}
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${_CPPUNIT_ROOT}
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${PC_CppUnit_LIBDIR}
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${SYSTEM_LIBRARY_PATHS}
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)
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# Library suffix handling
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set(_CPPUNIT_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES ${CMAKE_FIND_LIBRARY_SUFFIXES})
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if(MSVC)
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if(CPPUNIT_USE_STATIC_LIBS)
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".lib")
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else()
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list(APPEND CMAKE_FIND_LIBRARY_SUFFIXES "_dll.lib")
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endif()
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else()
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if(CPPUNIT_USE_STATIC_LIBS)
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set(CMAKE_FIND_LIBRARY_SUFFIXES ".a")
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endif()
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endif()
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list(APPEND CPPUNIT_BUILD_TYPES RELEASE DEBUG)
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foreach(BUILD_TYPE ${CPPUNIT_BUILD_TYPES})
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set(_CPPUNIT_LIB_NAME cppunit)
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if(BUILD_TYPE STREQUAL DEBUG)
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set(_CPPUNIT_LIB_NAME "${_CPPUNIT_LIB_NAME}${CPPUNIT_DEBUG_SUFFIX}")
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endif()
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# Find the lib
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find_library(CppUnit_LIBRARY_${BUILD_TYPE} ${_CPPUNIT_LIB_NAME}
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${_FIND_CPPUNIT_ADDITIONAL_OPTIONS}
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PATHS ${_CPPUNIT_LIBRARYDIR_SEARCH_DIRS}
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PATH_SUFFIXES ${CMAKE_INSTALL_LIBDIR} lib64 lib
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)
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endforeach()
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# Reset library suffix
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set(CMAKE_FIND_LIBRARY_SUFFIXES ${_CPPUNIT_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES})
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unset(_CPPUNIT_ORIG_CMAKE_FIND_LIBRARY_SUFFIXES)
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if(CppUnit_LIBRARY_DEBUG AND CppUnit_LIBRARY_RELEASE)
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# if the generator is multi-config or if CMAKE_BUILD_TYPE is set for
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# single-config generators, set optimized and debug libraries
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get_property(_isMultiConfig GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
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if(_isMultiConfig OR CMAKE_BUILD_TYPE)
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set(CppUnit_LIBRARY optimized ${CppUnit_LIBRARY_RELEASE} debug ${CppUnit_LIBRARY_DEBUG})
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else()
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# For single-config generators where CMAKE_BUILD_TYPE has no value,
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# just use the release libraries
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set(CppUnit_LIBRARY ${CppUnit_LIBRARY_RELEASE})
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endif()
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# FIXME: This probably should be set for both cases
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set(CppUnit_LIBRARIES optimized ${CppUnit_LIBRARY_RELEASE} debug ${CppUnit_LIBRARY_DEBUG})
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endif()
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# if only the release version was found, set the debug variable also to the release version
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if(CppUnit_LIBRARY_RELEASE AND NOT CppUnit_LIBRARY_DEBUG)
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set(CppUnit_LIBRARY_DEBUG ${CppUnit_LIBRARY_RELEASE})
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set(CppUnit_LIBRARY ${CppUnit_LIBRARY_RELEASE})
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set(CppUnit_LIBRARIES ${CppUnit_LIBRARY_RELEASE})
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endif()
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# if only the debug version was found, set the release variable also to the debug version
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if(CppUnit_LIBRARY_DEBUG AND NOT CppUnit_LIBRARY_RELEASE)
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set(CppUnit_LIBRARY_RELEASE ${CppUnit_LIBRARY_DEBUG})
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set(CppUnit_LIBRARY ${CppUnit_LIBRARY_DEBUG})
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set(CppUnit_LIBRARIES ${CppUnit_LIBRARY_DEBUG})
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endif()
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# If the debug & release library ends up being the same, omit the keywords
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if("${CppUnit_LIBRARY_RELEASE}" STREQUAL "${CppUnit_LIBRARY_DEBUG}")
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set(CppUnit_LIBRARY ${CppUnit_LIBRARY_RELEASE} )
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set(CppUnit_LIBRARIES ${CppUnit_LIBRARY_RELEASE} )
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endif()
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if(CppUnit_LIBRARY)
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set(CppUnit_FOUND TRUE)
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else()
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set(CppUnit_FOUND FALSE)
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endif()
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# ------------------------------------------------------------------------
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# Cache and set CppUnit_FOUND
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# ------------------------------------------------------------------------
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(CppUnit
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FOUND_VAR CppUnit_FOUND
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REQUIRED_VARS
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CppUnit_LIBRARY
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CppUnit_INCLUDE_DIR
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VERSION_VAR CppUnit_VERSION
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)
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if(NOT CppUnit_FOUND)
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if(CppUnit_FIND_REQUIRED)
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message(FATAL_ERROR "Unable to find CppUnit")
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endif()
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return()
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endif()
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# Partition release/debug lib vars
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set(CppUnit_RELEASE_LIBRARIES ${CppUnit_LIBRARY_RELEASE})
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get_filename_component(CppUnit_RELEASE_LIBRARY_DIRS ${CppUnit_RELEASE_LIBRARIES} DIRECTORY)
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set(CppUnit_DEBUG_LIBRARIES ${CppUnit_LIBRARY_DEBUG})
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get_filename_component(CppUnit_DEBUG_LIBRARY_DIRS ${CppUnit_DEBUG_LIBRARIES} DIRECTORY)
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set(CppUnit_LIBRARIES ${CppUnit_RELEASE_LIBRARIES})
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set(CppUnit_LIBRARY_DIRS ${CppUnit_RELEASE_LIBRARY_DIRS})
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set(CppUnit_INCLUDE_DIRS ${CppUnit_INCLUDE_DIR})
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# Configure lib type. If XXX_USE_STATIC_LIBS, we always assume a static
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# lib is in use. If win32, we can't mark the import .libs as shared, so
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# these are always marked as UNKNOWN. Otherwise, infer from extension.
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set(CPPUNIT_LIB_TYPE UNKNOWN)
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if(CPPUNIT_USE_STATIC_LIBS)
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set(CPPUNIT_LIB_TYPE STATIC)
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elseif(UNIX)
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get_filename_component(_CPPUNIT_EXT ${CppUnit_LIBRARY_RELEASE} EXT)
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if(_CPPUNIT_EXT STREQUAL ".a")
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set(CPPUNIT_LIB_TYPE STATIC)
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elseif(_CPPUNIT_EXT STREQUAL ".so" OR
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_CPPUNIT_EXT STREQUAL ".dylib")
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set(CPPUNIT_LIB_TYPE SHARED)
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endif()
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endif()
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if(NOT TARGET CppUnit::cppunit)
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add_library(CppUnit::cppunit ${CPPUNIT_LIB_TYPE} IMPORTED)
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set_target_properties(CppUnit::cppunit PROPERTIES
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INTERFACE_COMPILE_OPTIONS "${PC_CppUnit_CFLAGS_OTHER}"
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INTERFACE_INCLUDE_DIRECTORIES "${CppUnit_INCLUDE_DIRS}")
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# Standard location
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set_target_properties(CppUnit::cppunit PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES "CXX"
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IMPORTED_LOCATION "${CppUnit_LIBRARY}")
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# Release location
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if(EXISTS "${CppUnit_LIBRARY_RELEASE}")
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set_property(TARGET CppUnit::cppunit APPEND PROPERTY
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IMPORTED_CONFIGURATIONS RELEASE)
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set_target_properties(CppUnit::cppunit PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES_RELEASE "CXX"
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IMPORTED_LOCATION_RELEASE "${CppUnit_LIBRARY_RELEASE}")
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endif()
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# Debug location
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if(EXISTS "${CppUnit_LIBRARY_DEBUG}")
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set_property(TARGET CppUnit::cppunit APPEND PROPERTY
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IMPORTED_CONFIGURATIONS DEBUG)
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set_target_properties(CppUnit::cppunit PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES_DEBUG "CXX"
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IMPORTED_LOCATION_DEBUG "${CppUnit_LIBRARY_DEBUG}")
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endif()
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endif()
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