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27 lines
754 B
CMake
27 lines
754 B
CMake
include(CMakePushCheckState)
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include(CheckCXXSymbolExists)
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include(FindPackageHandleStandardArgs)
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if (MSVC)
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set(Dlfcn_FOUND FALSE)
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unset(Dlfcn_LIBRARIES CACHE)
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elseif (WIN32 OR MSYS)
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# Windows; dlopen is available via a polyfill `libs/dlfcn-win32`.
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set(Dlfcn_LIBRARIES dlfcn)
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else()
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# Unix and Wasm; dlopen may or may not be available depending on platform.
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cmake_push_check_state(RESET)
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set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_DL_LIBS})
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check_cxx_symbol_exists(dlopen "dlfcn.h" HAVE_DLOPEN)
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cmake_pop_check_state()
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if (HAVE_DLOPEN)
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add_library(dlfcn INTERFACE)
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target_link_libraries(dlfcn INTERFACE ${CMAKE_DL_LIBS})
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set(Dlfcn_LIBRARIES dlfcn)
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endif()
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endif()
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find_package_handle_standard_args(Dlfcn
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REQUIRED_VARS Dlfcn_LIBRARIES
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)
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