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Document --enable-sandbox configure option in INSTALL.

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Lasse Collin 2016-12-26 20:50:25 +02:00
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INSTALL
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@ -399,6 +399,31 @@ XZ Utils Installation
calls any liblzma functions from more than
one thread, something bad may happen.
--enable-sandbox=METHOD
This feature is EXPERIMENTAL in the XZ Utils 5.2.x and
disabled by default.
There is limited sandboxing support in the xz tool. If
built with sandbox support, it's used automatically when
(de)compressing exactly one file to standard output and
the options --files or --files0 weren't used. This is a
common use case, for example, (de)compressing .tar.xz
files via GNU tar. The sandbox is also used for
single-file `xz --test' or `xz --list'.
Supported METHODs:
auto Look for a supported sandboxing method
and use it if found. If no method is
found, then sandboxing isn't used.
no Disable sandboxing support.
capsicum
Use Capsicum (FreeBSD >= 10) for
sandboxing. If no Capsicum support
is found, configure will give an error.
--enable-symbol-versions
Use symbol versioning for liblzma. This is enabled by
default on GNU/Linux, other GNU-based systems, and