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[binutils] Add response file option to help and docs

Description

[binutils] Add response file option to help and docs

Many LLVM-based tools already support response files (i.e. files
containing a list of options, specified with '@'). This change simply
updates the documentation and help text for some of these tools to
include it. I haven't attempted to fix all tools, just a selection that
I am interested in.

I've taken the opportunity to add some tests for --help behaviour, where
they were missing. We could expand these tests, but I don't think that's
within scope of this patch.

This fixes https://bugs.llvm.org/show_bug.cgi?id=42233 and
https://bugs.llvm.org/show_bug.cgi?id=42236.

Reviewed by: grimar, MaskRay, jkorous

Differential Revision: https://reviews.llvm.org/D63597

Details

Committed
jhendersonJun 21 2019, 4:49 AM
Reviewer
grimar
Differential Revision
D63597: [binutils] Add response file option to help and docs
Parents
rL364035: [unittests] Simplify CMakeLists with object library
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