Jonathan R. Madsen
84 lines
2.2 KiB
CMake
84 lines
2.2 KiB
CMake
# Try to find libdw headers and libraries.
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#
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# Usage of this module as follows:
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#
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# find_package(libdw)
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#
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# Variables used by this module, they can change the default behaviour and need
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# to be set before calling find_package:
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#
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# libdw_ROOT Set this variable to the root installation of
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# libdw if the module has problems finding the
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# proper installation path.
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#
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# Variables defined by this module:
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#
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# libdw_FOUND System has libdw libraries and headers
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# libdw_LIBRARIES The libdw library
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# libdw_INCLUDE_DIRS The location of libdw headers
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#
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# Interface targets defined by this module:
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#
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# libdw::libdw
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#
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find_package(PkgConfig)
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if(PkgConfig_FOUND)
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set(ENV{PKG_CONFIG_SYSTEM_INCLUDE_PATH} "")
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pkg_check_modules(DW libdw)
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if(DW_FOUND
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AND DW_INCLUDE_DIRS
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AND DW_LIBRARIES)
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set(libdw_INCLUDE_DIR
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"${DW_INCLUDE_DIRS}"
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CACHE FILEPATH "libdw include directory")
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set(libdw_LIBRARY
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"${DW_LIBRARIES}"
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CACHE FILEPATH "libdw libraries")
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endif()
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endif()
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if(NOT libdw_INCLUDE_DIR OR NOT libdw_LIBRARY)
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find_path(
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libdw_ROOT_DIR
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NAMES include/elfutils/libdw.h
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HINTS ${libdw_ROOT}
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PATHS ${libdw_ROOT})
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mark_as_advanced(libdw_ROOT_DIR)
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find_path(
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libdw_INCLUDE_DIR
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NAMES elfutils/libdw.h
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HINTS ${libdw_ROOT}
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PATHS ${libdw_ROOT}
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PATH_SUFFIXES include)
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find_library(
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libdw_LIBRARY
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NAMES dw
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HINTS ${libdw_ROOT}
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PATHS ${libdw_ROOT}
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PATH_SUFFIXES lib lib64)
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(libdw DEFAULT_MSG libdw_LIBRARY libdw_INCLUDE_DIR)
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if(libdw_FOUND)
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if(NOT TARGET libdw::libdw)
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add_library(libdw::libdw INTERFACE IMPORTED)
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endif()
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if(TARGET PkgConfig::DW AND DW_FOUND)
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target_link_libraries(libdw::libdw INTERFACE PkgConfig::DW)
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else()
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target_link_libraries(libdw::libdw INTERFACE ${libdw_LIBRARY})
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target_include_directories(libdw::libdw SYSTEM INTERFACE ${libdw_INCLUDE_DIR})
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endif()
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endif()
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mark_as_advanced(libdw_INCLUDE_DIR libdw_LIBRARY)
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