Do not override the MacPorts install_name defaults.
--- cmake/macros.cmake.orig 2018-03-27 07:17:46.000000000 -0500
+++ cmake/macros.cmake 2018-03-27 07:37:39.000000000 -0500
RUNTIME DESTINATION ${LASZIP_BIN_INSTALL_DIR}
LIBRARY DESTINATION ${LASZIP_LIB_INSTALL_DIR}
ARCHIVE DESTINATION ${LASZIP_LIB_INSTALL_DIR})
- set_target_properties(${_name} PROPERTIES INSTALL_NAME_DIR
- "@executable_path/../lib")
endmacro(LASZIP_ADD_LIBRARY)
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