freebsd-skq/tools/build/options/WITH_LLVM_CXXFILT
Dimitry Andric 07bab4417d Add WITH_LLVM_CXXFILT option to install llvm-cxxfilt as c++filt
Since elftoolchain's cxxfilt is rather far behind on features, and we
ran into several bugs, add an option to use llvm-cxxfilt as an drop-in
replacement.

It supports the same options as elftoolchain cxxfilt, though it doesn't
have support for old ARM (C++ Annotated Reference Manual, not the CPU)
and GNU v2 manglings. But these are irrelevant in 2020.

Note: as we already compile the required libraries as part of libllvm,
this will not add any significant build time either.

PR:		250702
Reviewed by:	emaste, yuri
Differential Revision: https://reviews.freebsd.org/D27071
MFC after:	2 weeks
2020-11-03 19:57:28 +00:00

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.\" $FreeBSD$
Install LLVM's llvm-cxxfilt as c++filt, instead of ELF Tool Chain's cxxfilt.