0907a322f3
Most Unix-like systems drops the SETUID/SETGID bits when a file changes, so after changing the RPATH, it is necessary to restore the original file mode.
141 lines
4.0 KiB
CMake
141 lines
4.0 KiB
CMake
if(CMAKE_HOST_UNIX)
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function(permissions_set f)
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file(CHMOD ${f} FILE_PERMISSIONS OWNER_WRITE OWNER_READ OWNER_EXECUTE SETUID)
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endfunction()
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function(permissions_check f)
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execute_process(COMMAND sh -c "stat -c %a \"${f}\""
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OUTPUT_VARIABLE stat_out OUTPUT_STRIP_TRAILING_WHITESPACE
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ERROR_VARIABLE stat_err
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RESULT_VARIABLE stat_res
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)
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if(stat_res EQUAL 0)
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if(NOT stat_out STREQUAL "4700")
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message(FATAL_ERROR "Expected permissions 4700 but got ${stat_out}:\n ${f}")
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endif()
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endif()
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endfunction()
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else()
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function(permissions_set)
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endfunction()
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function(permissions_check)
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endfunction()
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endif()
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# Prepare binaries on which to operate.
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set(in "${CMAKE_CURRENT_LIST_DIR}/${format}")
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set(out "${CMAKE_CURRENT_BINARY_DIR}")
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foreach(f ${dynamic})
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file(COPY ${in}/${f} DESTINATION ${out} NO_SOURCE_PERMISSIONS)
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list(APPEND dynamic_files "${out}/${f}")
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endforeach()
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foreach(f ${static})
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file(COPY ${in}/${f} DESTINATION ${out} NO_SOURCE_PERMISSIONS)
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list(APPEND static_files "${out}/${f}")
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endforeach()
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foreach(f ${dynamic_files})
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permissions_set(${f})
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# Check for the initial RPATH.
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file(RPATH_CHECK FILE "${f}" RPATH "/sample/rpath")
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if(NOT EXISTS "${f}")
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message(FATAL_ERROR "RPATH_CHECK removed ${f}")
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endif()
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permissions_check(${f})
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# Change the RPATH.
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file(RPATH_CHANGE FILE "${f}"
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OLD_RPATH "/sample/rpath"
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NEW_RPATH "/path1:/path2")
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set(rpath)
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file(STRINGS "${f}" rpath REGEX "/path1:/path2" LIMIT_COUNT 1)
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if(NOT rpath)
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message(FATAL_ERROR "RPATH not changed in ${f}")
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endif()
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permissions_check(${f})
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# Change the RPATH without compiler defined rpath removed
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file(RPATH_CHANGE FILE "${f}"
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OLD_RPATH "/path2"
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NEW_RPATH "/path3")
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set(rpath)
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file(STRINGS "${f}" rpath REGEX "/path1:/path3" LIMIT_COUNT 1)
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if(NOT rpath)
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message(FATAL_ERROR "RPATH not updated in ${f}")
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endif()
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permissions_check(${f})
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# Change the RPATH with compiler defined rpath removed
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file(RPATH_CHANGE FILE "${f}"
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OLD_RPATH "/path3"
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NEW_RPATH "/rpath/sample"
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INSTALL_REMOVE_ENVIRONMENT_RPATH)
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set(rpath)
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file(STRINGS "${f}" rpath REGEX "/rpath/sample" LIMIT_COUNT 1)
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if(NOT rpath)
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message(FATAL_ERROR "RPATH not updated in ${f}")
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endif()
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file(STRINGS "${f}" rpath REGEX "/path1" LIMIT_COUNT 1)
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if(rpath)
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message(FATAL_ERROR "RPATH not removed in ${f}")
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endif()
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permissions_check(${f})
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# Remove the RPATH.
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file(RPATH_REMOVE FILE "${f}")
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set(rpath)
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file(STRINGS "${f}" rpath REGEX "/rpath/sample" LIMIT_COUNT 1)
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if(rpath)
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message(FATAL_ERROR "RPATH not removed from ${f}")
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endif()
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permissions_check(${f})
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# Check again...this should remove the file.
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file(RPATH_CHECK FILE "${f}" RPATH "/sample/rpath")
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if(EXISTS "${f}")
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message(FATAL_ERROR "RPATH_CHECK did not remove ${f}")
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endif()
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endforeach()
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# TODO Implement RPATH_SET in XCOFF.
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if(format STREQUAL "ELF")
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foreach(f ${dynamic})
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file(COPY ${in}/${f} DESTINATION ${out} NO_SOURCE_PERMISSIONS)
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endforeach()
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foreach(f ${dynamic_files})
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# Set the RPATH.
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file(RPATH_SET FILE "${f}"
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NEW_RPATH "/new/rpath")
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set(rpath)
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file(STRINGS "${f}" rpath REGEX "/new/rpath" LIMIT_COUNT 1)
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if(NOT rpath)
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message(FATAL_ERROR "RPATH not set in ${f}")
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endif()
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file(STRINGS "${f}" rpath REGEX "/rpath/sample" LIMIT_COUNT 1)
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if(rpath)
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message(FATAL_EROR "RPATH not removed in ${f}")
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endif()
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# Remove the RPATH.
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file(RPATH_SET FILE "${f}"
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NEW_RPATH "")
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set(rpath)
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file(STRINGS "${f}" rpath REGEX "/new/rpath" LIMIT_COUNT 1)
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if(rpath)
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message(FATAL_ERROR "RPATH not removed from ${f}")
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endif()
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# Check again...this should remove the file.
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file(RPATH_CHECK FILE "${f}" RPATH "/new/rpath")
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if(EXISTS "${f}")
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message(FATAL_ERROR "RPATH_CHECK did not remove ${f}")
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endif()
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endforeach()
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endif()
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# Verify that modifying rpaths on a static library is a no-op
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foreach(f ${static_files})
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file(RPATH_CHANGE FILE "${f}" OLD_RPATH "/rpath/foo" NEW_RPATH "/rpath/bar")
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endforeach()
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