Create a LINK_WHAT_YOU_USE target property and corresponding CMAKE_LINK_WHAT_YOU_USE variable to enable this behavior. Extend link commands by running `ldd -u -r` to detect shared libraries that are linked but not needed.
22 lines
572 B
CMake
22 lines
572 B
CMake
include(RunCMake)
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function(run_lwyu lang)
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# Use a single build tree for tests without cleaning.
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set(RunCMake_TEST_BINARY_DIR ${RunCMake_BINARY_DIR}/${lang}-build)
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set(RunCMake_TEST_NO_CLEAN 1)
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file(REMOVE_RECURSE "${RunCMake_TEST_BINARY_DIR}")
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file(MAKE_DIRECTORY "${RunCMake_TEST_BINARY_DIR}")
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run_cmake(${lang})
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set(RunCMake_TEST_OUTPUT_MERGE 1)
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run_cmake_command(${lang}-Build ${CMAKE_COMMAND} --build .)
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endfunction()
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run_lwyu(CXX)
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run_lwyu(C)
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if (NOT RunCMake_GENERATOR STREQUAL "Watcom WMake")
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run_lwyu(C-launch)
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run_lwyu(CXX-launch)
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endif()
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