41 lines
1.1 KiB
CMake
41 lines
1.1 KiB
CMake
# - find where dlopen and friends are located.
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# DL_FOUND - system has dynamic linking interface available
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# DL_INCLUDE_DIR - where dlfcn.h is located.
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# DL_LIBRARY - libraries needed to use dlopen
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include(CheckFunctionExists)
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find_path(DL_INCLUDE_DIR NAMES dlfcn.h)
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find_library(DL_LIBRARY NAMES dl)
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if(DL_LIBRARY)
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set(DL_FOUND TRUE)
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else(DL_LIBRARY)
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check_function_exists(dlopen DL_FOUND)
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# If dlopen can be found without linking in dl then dlopen is part
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# of libc, so don't need to link extra libs.
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set(DL_LIBRARY "")
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endif(DL_LIBRARY)
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(DL
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FOUND_VAR
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DL_FOUND
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REQUIRED_VARS
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DL_INCLUDE_DIR
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)
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mark_as_advanced(DL_INCLUDE_DIR DL_LIBRARY)
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if(DL_FOUND AND NOT TARGET DL::DL)
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if (DL_LIBRARY)
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add_library(DL::DL UNKNOWN IMPORTED)
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set_target_properties(DL::DL PROPERTIES
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IMPORTED_LOCATION "${DL_LIBRARY}")
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else()
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add_library(DL::DL INTERFACE IMPORTED )
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endif()
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set_target_properties(DL::DL PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES "${DL_INCLUDE_DIR}"
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)
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endif()
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