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Editorial Team
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Asked: 2026-05-30T15:08:51+00:00

I’m using CMake on Windows to build test suite based on Boost.Test. As I’m

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I’m using CMake on Windows to build test suite based on Boost.Test. As I’m linking to Boost.Test dynamically, my executable needs to be able to find the DLL (which is under ../../../boost/boost_1_47/lib or something like that relative to the executable).

So I need to either copy the DLL into the folder where the executable is, or make it findable in some other way. What’s the best way to achieve this with CMake?

— Additional info —

My CMakeLists.txt has this Boost related configuration at the moment:

set(Boost_ADDITIONAL_VERSIONS "1.47" "1.47.0")
set(BOOST_ROOT "../boost")

find_package(Boost 1.47 COMPONENTS unit_test_framework REQUIRED)
include_directories(${Boost_INCLUDE_DIR})
link_directories(${Boost_LIBRARY_DIR})

add_executable(test-suite test-suite.cpp)
target_link_libraries(test-suite ${Boost_LIBRARIES})
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1 Answer

  1. Editorial Team

    I ended up using the install command to copy the Boost DLL over to the executable’s folder:

    get_filename_component(UTF_BASE_NAME ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY_RELEASE} NAME_WE)
get_filename_component(UTF_PATH ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY_RELEASE} PATH)
install(FILES ${UTF_PATH}/${UTF_BASE_NAME}.dll
  DESTINATION ../bin
  CONFIGURATIONS Release RelWithDebInfo
)

get_filename_component(UTF_BASE_NAME_DEBUG ${Boost_UNIT_TEST_FRAMEWORK_LIBRARY_DEBUG} NAME_WE)
install(FILES ${UTF_PATH}/${UTF_BASE_NAME_DEBUG}.dll
  DESTINATION ../bin
  CONFIGURATIONS Debug
)
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