[Bug 233707] www/firefox: fails to build with -fstack-protector-{strong,all} + -Wl,-z,nocopyreloc

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233707

--- Comment #11 from Tijl Coosemans <tijl at FreeBSD.org> ---
(In reply to Shawn Webb from comment #9)
The paper is about copy-relocations of read-only variables.  There are
potential security problems with that because the copy is writeable.  The copy
has to be initialised at run-time with the value from the library.  That
doesn't apply to __stack_chk_guard because it's already writeable.

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