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torbjoernktorbjoernk
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first draft of cmake build scripts
available cmake variables: pfasst_BUILD_TESTS={ON,OFF} enable build of tests with automatically pulling in GoogleMock and GoogleTest (both version 1.7.0), building and linking it; no need for them to be preinstalled what it also provides: - auto-detecting C++11 compiler flags for GCC and Clang what it (yet) not provides: - handling of XL/C++ compiler
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‎.gitignore‎

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# other stuff
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doc/build
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/doc/build
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/build*
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# Created by http://www.gitignore.io
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‎3rdparty/CMakeLists.txt‎

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# Managing 3rd-party libraries and tools
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set(3rdparty_INCLUDES ${3rdparty_INCLUDES})
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set(3rdparty_DEPENDEND_LIBS ${3rdparty_DEPENDEND_LIBS})
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if(pfasst_BUILD_TESTS)
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message(STATUS "3rd party: Google Testing Framework (gtest & gmock)")
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message(STATUS "--------------------------------------------------------------------------------")
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# Add gmock
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ExternalProject_Add(
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googlemock
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SVN_REPOSITORY http://googlemock.googlecode.com/svn/trunk/
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SVN_REVISION -r 449 # release 1.7.0
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TIMEOUT 10
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# Disable SVN update
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UPDATE_COMMAND ""
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PATCH_COMMAND ""
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CMAKE_ARGS -DCMAKE_BUILD_TYPE=Release
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-Dgtest_force_shared_crt=ON
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-DCMAKE_VERBOSE_MAKEFILE=ON
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-Dgmock_build_tests=ON
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# Disable install step
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INSTALL_COMMAND ""
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# Run tests
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TEST_BEFORE_INSTALL ON
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TEST_AFTER_INSTALL ON
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TEST_COMMAND make test
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# Wrap download, configure and build steps in a script to log output
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LOG_DOWNLOAD ON
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LOG_CONFIGURE ON
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LOG_BUILD ON
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)
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# Specify include dir
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ExternalProject_Get_Property(googlemock source_dir)
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list(APPEND 3rdparty_INCLUDES ${source_dir}/include ${source_dir}/gtest/include)
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ExternalProject_Get_Property(googlemock binary_dir)
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set(Suffix ".a")
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set(Pthread "-pthread")
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list(APPEND 3rdparty_DEPENDEND_LIBS ${binary_dir}/${CMAKE_FIND_LIBRARY_PREFIXES}gmock${Suffix})
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list(APPEND 3rdparty_DEPENDEND_LIBS ${Pthread})
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message(STATUS "--------------------------------------------------------------------------------")
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endif()
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# propagate include lists to parent directory
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set(3rdparty_DEPENDEND_LIBS ${3rdparty_DEPENDEND_LIBS} PARENT_SCOPE)
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set(3rdparty_INCLUDES ${3rdparty_INCLUDES} PARENT_SCOPE)

‎CMakeLists.txt‎

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cmake_minimum_required(VERSION 2.8)
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set(CMAKE_VERBOSE_MAKEFILE ON)
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project(pfasst)
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include(cmake/utility_functions.cmake)
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include(CheckCXXCompilerFlag)
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include(ExternalProject)
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# Set default ExternalProject root directory
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set_directory_properties(PROPERTIES EP_PREFIX ${CMAKE_BINARY_DIR}/3rdparty)
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option(pfasst_BUILD_TESTS "Build test suite for PFASST." ON)
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# check for C++11 support
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message(STATUS "Testing Compiler for C++11 Support ...")
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if(${CMAKE_CXX_COMPILER_ID} MATCHES GNU)
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check_cxx_compiler_flag(-std=c++11 HAVE_STD11)
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if(HAVE_STD11)
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add_to_string_list("${CMAKE_CXX_FLAGS}" CMAKE_CXX_FLAGS "-std=c++11")
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else()
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message(FATAL_ERROR "No advanced standard C++ support of your GCC (-std=c++11 not defined).")
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endif()
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elseif(${CMAKE_CXX_COMPILER_ID} MATCHES Clang)
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check_cxx_compiler_flag(-std=c++11 HAVE_STD11)
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if(HAVE_STD11)
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if(pfasst_DISABLE_LIBCXX)
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add_to_string_list("${CMAKE_CXX_FLAGS}" CMAKE_CXX_FLAGS "-std=c++11")
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add_to_string_list("${CMAKE_CXX_LINK_FLAGS}" CMAKE_CXX_LINK_FLAGS "-std=c++11")
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else()
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add_to_string_list("${CMAKE_CXX_FLAGS}" CMAKE_CXX_FLAGS "-std=c++11" "-stdlib=libc++")
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add_to_string_list("${CMAKE_CXX_LINK_FLAGS}" CMAKE_CXX_LINK_FLAGS "-std=c++11" "-stdlib=libc++")
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endif()
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else()
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message(FATAL_ERROR "No C++11 support for Clang version. Please upgrade Clang to a version supporting C++11.")
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endif()
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else()
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message(FATAL_ERROR "Don't know how to check C++11 compatibility with compiler '${CMAKE_CXX_COMPILER_ID}'")
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endif()
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message(STATUS "Your compiler has C++11 support. Hurray!")
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# enable all compiler warnings
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add_to_string_list("${CMAKE_CXX_FLAGS}" CMAKE_CXX_FLAGS "-Wall")
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set(3rdparty_INCLUDES)
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set(3rdparty_DEPENDEND_LIBS)
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set(pfasst_INCLUDES)
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set(pfasst_DEPENDEND_LIBS)
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if(pfasst_BUILD_TESTS)
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enable_testing()
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endif(pfasst_BUILD_TESTS)
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# adding / including 3rd-party libraries
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message(STATUS "********************************************************************************")
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message(STATUS "Configuring 3rd party libraries")
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add_subdirectory(3rdparty)
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message(STATUS "********************************************************************************")
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message(STATUS "Configuring sources")
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add_subdirectory(src)
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if(pfasst_BUILD_TESTS)
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message(STATUS "********************************************************************************")
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message(STATUS "Configuring tests")
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add_subdirectory(tests)
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endif()
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message(STATUS "********************************************************************************")
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message(STATUS "C++ Compiler ID: ${CMAKE_CXX_COMPILER_ID}")
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message(STATUS "C++ Flags: ${CMAKE_CXX_FLAGS}")
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message(STATUS "C++ link flags: ${CMAKE_CXX_LINK_FLAGS}")
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set(CMAKE_VERBOSE_MAKEFILE ON)

‎cmake/utility_functions.cmake‎

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function(add_to_string_list in_string out_string)
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# message(STATUS "Adding '${ARGN}' to '${in_string}'")
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foreach(element ${ARGN})
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# message(STATUS " processing: '${element}'")
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if(NOT "${element}" STREQUAL "")
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# escape regex commands in new element
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string(REPLACE "\\" "\\\\" elem_escaped "${element}")
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string(REGEX REPLACE "([][.?*+|()$^-])" "\\\\\\1" elem_escaped "${elem_escaped}")
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# only append if not already in string
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if("${in_string}" MATCHES "${elem_escaped}")
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# message(STATUS " '${element}' found as '${elem_escaped}'")
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else()
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set(in_string "${in_string} ${element}")
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# message(STATUS " '${element}' appended")
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endif()
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endif()
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endforeach(element)
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# message(STATUS "Full string is now: '${in_string}'")
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set(${out_string} ${in_string} PARENT_SCOPE)
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endfunction(add_to_string_list)

‎src/CMakeLists.txt‎

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# add this source directory to PFASST's includes so headers are found here
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list(APPEND pfasst_INCLUDES
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${CMAKE_CURRENT_SOURCE_DIR}
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)
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# enable debug build if required
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if(${CMAKE_BUILD_TYPE} MATCHES Debug OR pfasst_DEBUG)
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add_to_string_list("${CMAKE_CXX_FLAGS}" CMAKE_CXX_FLAGS "-Wall")
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add_definitions(-DPFASST_DEBUG)
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endif()
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## set the sources for PFASST
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## (uncomment the following lines if PFASST becomes not a header-only library one day)
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# set(pfasst_SOURCES
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# )
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# include_directories(
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# ${3rdparty_INCLUDES}
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# ${pfasst_INCLUDES}
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# )
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# message("3rdparty_INCLUDES: ${3rdparty_INCLUDES}")
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#
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# add_library(pfasst ${pfasst_SOURCES})
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# target_link_libraries(pfasst
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# ${3rdparty_DEPENDEND_LIBS}
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# ${pfasst_DEPENDED_LIBS}
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# )
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set(pfasst_INCLUDES ${pfasst_INCLUDES} PARENT_SCOPE)
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set(pfasst_DEPENDED_LIBS ${pfasst_DEPENDED_LIBS} PARENT_SCOPE)

‎tests/CMakeLists.txt‎

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# Building and Running Tests
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include_directories(
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${3rdparty_INCLUDES}
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${pfasst_INCLUDES}
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)
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set(TESTS
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test-quadrature
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)
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foreach(test ${TESTS})
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add_executable(${test} ${test}.cpp)
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add_dependencies(${test} googlemock)
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target_link_libraries(${test}
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${3rdparty_DEPENDEND_LIBS}
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${pfasst_DEPENDED_LIBS}
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)
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set_target_properties(${test} PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${pfasst_BINARY_DIR}/tests)
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add_test(NAME ${test}
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COMMAND ${CMAKE_BINARY_DIR}/tests/${test}
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)
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endforeach(test)

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