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| Welcome to the CMake Wiki Examples! These short snippets which show you how to perform many common CMake procedures. Please see [http://www.cmake.org/cmake/help/cmake-2-8-docs.html] for the verbose documentation.
| | {{CMake/Template/Moved}} |
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| Please add examples as you find common procedures which are not explained here!
| | This page has moved [https://gitlab.kitware.com/cmake/community/wikis/doc/cmake/Examples here]. |
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| =Force g++=
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| <source lang="cmake">
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| set(SPIN_SRCS main.c analyze.c ../spinImage/dhFaceSpinImage.c ../spinImage/faceSpinImage.c ../spinImage/normalizedSpinImage.c ../spinImage/spinImage.c ../spinImage/spinImageHashed.c ../spinImage/vectorArray.c)
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| add_executable(SpinRecognize ${SPIN_SRCS})
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| set_source_files_properties(${SPIN_SRCS} PROPERTIES LANGUAGE CXX)
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| </source>
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| =Check operating system=
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| <source lang="cmake">
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| IF(WIN32)
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| ...do something...
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| ELSE(WIN32)
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| ...do something else...
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| ENDIF(WIN32)
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| </source>
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| =View PATH=
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| <source lang="cmake">
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| \verb|MESSAGE("$ENV{PATH}")
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| </source>
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| =View a variable=
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| <source lang="cmake">
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| MESSAGE("CMAKE_BINARY_DIR: ${CMAKE_BINARY_DIR}")
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| </source>
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| =Set a variable=
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| <source lang="cmake">
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| SET(VARIABLE VALUE)
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| </source>
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| =Fix Mininum Version Error=
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| <source lang="cmake">
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| cmake_minimum_required(VERSION 2.6.0 FATAL_ERROR)
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| </source>
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| =Look in the directory that the CMakeLists.txt file is for header and implementation files=
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| <source lang="cmake">
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| INCLUDE_DIRECTORIES(${CMAKE_SOURCE_DIR})
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| </source>
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| =Set Link Directories=
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| <source lang="cmake">
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| LINK_DIRECTORIES(${LINK_DIRECTORIES} /usr/local/lib)
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| </source>
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| =Set Include Directories=
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| This command adds a path to the include directories, you do NOT have to do the 'export' style ``keep everything that is here and add this one'' syntax. | |
| <source lang="cmake">
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| INCLUDE_DIRECTORIES(/some/directory)
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| </source>
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| =View the directories that are set=
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| <source lang="cmake">
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| get_property(inc_dirs DIRECTORY PROPERTY INCLUDE_DIRECTORIES)
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| message("inc_dirs = ${inc_dirs}")
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| </source>
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| =Automate configure and generate=
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| Note 'cmake' instead of 'ccmake' (ccmake is curses cmake (curses is the terminal gui))
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| <source lang="cmake">
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| cmake -DCMAKE_BUILD_TYPE=Debug -DCMAKE_INSTALL_PREFIX=/usr/mylocation ../
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| </source>
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| =Set a cmake flag=
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| <source lang="cmake">
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| ccmake ../../src/boost -DCMAKE_IS_EXPERIMENTAL=YES_I_KNOW
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| </source>
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| =Set a cpp flag=
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| \subsection{Global}
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| <source lang="cmake">
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| SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -D__WXGTK__")
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| </source>
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| ==Per-target==
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| <source lang="cmake">
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| set_target_properties(myexe_target
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| PROPERTIES COMPILE_FLAGS "-Wall")
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| </source>
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| =Set the default build type=
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| <source lang="cmake">
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| SET(CMAKE_BUILD_TYPE Debug CACHE STRING "default to debug" FORCE)
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| </source>
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| =Custom variable=
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| <source lang="cmake">
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| SET(BUILD_PARAVIEW_PLUGIN ON CACHE STRING "Build Paraview plugin?" FORCE)
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| </source>
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| =Linking to specific libraries=
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| ==VXL==
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| Add the path to your environment:
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| <source lang="cmake">
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| export VXLBIN="/home/doriad/bin/vxl"
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| </source>
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| <source lang="cmake">
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| FIND_PACKAGE(VXL REQUIRED)
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| INCLUDE(${VXL_CMAKE_DIR}/UseVXL.cmake)
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| </source>
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| ==VTK==
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| Add the path to your environment:
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| <source lang="cmake">
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| export VTK_DIR="/home/doriad/bin/ParaView3/VTK"
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| </source>
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| <source lang="cmake">
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| FIND_PACKAGE(VTK REQUIRED)
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| INCLUDE(${VTK_USE_FILE})
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| </source>
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| ==Boost==
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| Add to the environment:
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| <source lang="cmake">
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| export BOOST_ROOT="/home/doriad/src/boost"
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| export BOOST_LIBRARYDIR="/home/doriad/bin/boost/lib"
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| </source>
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| <source lang="cmake">
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| SET(Boost_USE_MULTITHREAD ON) #set a flag
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| FIND_PACKAGE(Boost 1.34.1 COMPONENTS date_time filesystem)
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| INCLUDE_DIRECTORIES(${INCLUDE_DIRECTORIES} ${Boost_INCLUDE_DIRS})
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| LINK_DIRECTORIES(${LINK_DIRECTORIES} ${Boost_LIBRARY_DIRS})
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| </source>
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| ==Get Help Using a Library==
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| <source lang="cmake">
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| cmake --help-module FindBoost
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| </source>
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| ==Add new libraries to CMake==
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| <source lang="cmake">
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| /usr/share/cmake/Modules/FindOpenGL.cmake| | |
| </source>
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| =Dependency Graph=
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| <source lang="cmake">
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| ccmake ../src/Program/ --graphviz=test.graph
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| dotty test.graph
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| </source>
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| =CTest=
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| ==Run a specific test by number==
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| e.g. Test 622
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| <source lang="cmake">
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| ctest -I 622,622
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| </source>
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| ==Run a range of tests==
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| e.g. Test 622 to 625
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| <source lang="cmake">
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| ctest -I 622,625
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| </source>
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| ==Run a test by name==
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| <source lang="cmake">
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| ctest -R "itkTransformPoint*"|
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| </source>
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| =Link to a library=
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| <source lang="cmake">
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| ADD_EXECUTABLE(ColoredLines ColoredLines.cpp)
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| TARGET_LINK_LIBRARIES(ColoredLines vtkHybrid)
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| </source>
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| =Create a library=
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| <source lang="cmake">
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| add_library(MatlabLibrary ./MatlabDll/LidarK.cpp)
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| </source>
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