kc3-lang/harfbuzz/src/harfbuzz-config.cmake.in

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• Hash : 9e9a36ee
  Author :
  Date : 2018-09-27T16:33:49
  

  Fix infinite loop when walking up the directory hierarchy (#1183)
  
  A single find_package(harfbuzz) line in user code resulted in this loop
  getting stuck when _harfbuzz_libdir_iter became "/".

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• src/harfbuzz-config.cmake.in

• # Set these variables so that the `${prefix}/lib` expands to something we can
  # remove.
  set(_harfbuzz_remove_string "REMOVE_ME")
  set(exec_prefix "${_harfbuzz_remove_string}")
  set(prefix "${_harfbuzz_remove_string}")
  
  # Compute the installation prefix by stripping components from our current
  # location.
  get_filename_component(_harfbuzz_prefix "${CMAKE_CURRENT_LIST_DIR}" DIRECTORY)
  get_filename_component(_harfbuzz_prefix "${_harfbuzz_prefix}" DIRECTORY)
  set(_harfbuzz_libdir "@libdir@")
  string(REPLACE "${_harfbuzz_remove_string}/" "" _harfbuzz_libdir "${_harfbuzz_libdir}")
  set(_harfbuzz_libdir_iter "${_harfbuzz_libdir}")
  while (_harfbuzz_libdir_iter)
    set(_harfbuzz_libdir_prev_iter "${_harfbuzz_libdir_iter}")
    get_filename_component(_harfbuzz_libdir_iter "${_harfbuzz_libdir_iter}" DIRECTORY)
    if (_harfbuzz_libdir_prev_iter STREQUAL _harfbuzz_libdir_iter)
      break()
    endif ()
    get_filename_component(_harfbuzz_prefix "${_harfbuzz_prefix}" DIRECTORY)
  endwhile ()
  unset(_harfbuzz_libdir_iter)
  
  # Get the include subdir.
  set(_harfbuzz_includedir "@includedir@")
  string(REPLACE "${_harfbuzz_remove_string}/" "" _harfbuzz_includedir "${_harfbuzz_includedir}")
  
  # Extract version information from libtool.
  set(_harfbuzz_version_info "@HB_LIBTOOL_VERSION_INFO@")
  string(REPLACE ":" ";" _harfbuzz_version_info "${_harfbuzz_version_info}")
  list(GET _harfbuzz_version_info 0
    _harfbuzz_current)
  list(GET _harfbuzz_version_info 1
    _harfbuzz_revision)
  list(GET _harfbuzz_version_info 2
    _harfbuzz_age)
  unset(_harfbuzz_version_info)
  
  if (APPLE)
    set(_harfbuzz_lib_suffix ".0${CMAKE_SHARED_LIBRARY_SUFFIX}")
  elseif (UNIX)
    set(_harfbuzz_lib_suffix "${CMAKE_SHARED_LIBRARY_SUFFIX}.0.${_harfbuzz_current}.${_harfbuzz_revision}")
  else ()
    # Unsupported.
    set(harfbuzz_FOUND 0)
  endif ()
  
  # Add the libraries.
  add_library(harfbuzz::harfbuzz SHARED IMPORTED)
  set_target_properties(harfbuzz::harfbuzz PROPERTIES
    INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
    IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz${_harfbuzz_lib_suffix}")
  
  add_library(harfbuzz::icu SHARED IMPORTED)
  set_target_properties(harfbuzz::icu PROPERTIES
    INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
    INTERFACE_LINK_LIBRARIES "harfbuzz::harfbuzz"
    IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz-icu${_harfbuzz_lib_suffix}")
  
  add_library(harfbuzz::subset SHARED IMPORTED)
  set_target_properties(harfbuzz::subset PROPERTIES
    INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
    INTERFACE_LINK_LIBRARIES "harfbuzz::harfbuzz"
    IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz-subset${_harfbuzz_lib_suffix}")
  
  # Only add the gobject library if it was built.
  set(_harfbuzz_have_gobject "@have_gobject@")
  if (_harfbuzz_have_gobject)
    add_library(harfbuzz::gobject SHARED IMPORTED)
    set_target_properties(harfbuzz::gobject PROPERTIES
      INTERFACE_INCLUDE_DIRECTORIES "${_harfbuzz_prefix}/${_harfbuzz_includedir}/harfbuzz"
      INTERFACE_LINK_LIBRARIES "harfbuzz::harfbuzz"
      IMPORTED_LOCATION "${_harfbuzz_prefix}/${_harfbuzz_libdir}/libharfbuzz-gobject${_harfbuzz_lib_suffix}")
  endif ()
  
  # Clean out variables we used in our scope.
  unset(_harfbuzz_lib_suffix)
  unset(_harfbuzz_current)
  unset(_harfbuzz_revision)
  unset(_harfbuzz_age)
  unset(_harfbuzz_includedir)
  unset(_harfbuzz_libdir)
  unset(_harfbuzz_prefix)
  unset(exec_prefix)
  unset(prefix)
  unset(_harfbuzz_remove_string)
  

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