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Docs: Update INSTALL for --enable_ifunc change.
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16
INSTALL
16
INSTALL
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@ -383,14 +383,6 @@ XZ Utils Installation
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required extensions (-msse4.1 -mpclmul) then runtime
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detection isn't used and the generic code is omitted.
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--disable-ifunc
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Disable the use of __attribute__((__ifunc__())) for
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function dispatching even if support is detected.
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The ifunc attribute is incompatible with
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-fsanitize=address so it may need to be disabled in
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debug builds with extra instrumentation.
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--enable-unaligned-access
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Allow liblzma to use unaligned memory access for 16-bit,
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32-bit, and 64-bit loads and stores. This should be
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@ -522,6 +514,14 @@ XZ Utils Installation
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calls any liblzma functions from more than
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one thread, something bad may happen.
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--enable-ifunc
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Use __attribute__((__ifunc__())) in liblzma. This is
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enabled by default on GNU/Linux and FreeBSD.
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The ifunc attribute is incompatible with
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-fsanitize=address. --disable-ifunc must be used
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if any -fsanitize= option is specified in CFLAGS.
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--enable-sandbox=METHOD
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There is limited sandboxing support in the xz tool. If
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built with sandbox support, it's used automatically when
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