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| Security Update Breaks Emacs Executables |
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The 2002-11-21 Security Update seems to cause Emacs executables built before the update to fail. Rebuilding will make them work again. I realize this is an annoying problem. But I must admit currently I have no idea how to solve it.
This is my theory on why this is happening. Unexec seems to freeze
some variables in the system libraries as well as the Emacs heap. A
system update changes some libraries (/usr/lib/*.dylib)
and the addresses of variables in them. When an old binary is run, the
restored values of the memory regions completely confuse the new
library code.
Updated some text above.
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