Re: [release] Boost 1.72.0 Beta 1 Release Candidate 1

From: Marshall Clow (mclow.lists_at_[hidden])
Date: 2019-11-18 20:37:59

This appears to be https://github.com/boostorg/iostreams/issues/102, and
https://github.com/boostorg/iostreams/pull/103 is a suggested fix.

-- Marshall

On Mon, Nov 18, 2019 at 11:56 AM Marshall Clow <mclow.lists_at_[hidden]>
wrote:

> On my Mac, I the version of LZMA that I have installed (via homebrew) does
> not have the multi-tasking calls (_lzma_cputhreads and
> _lzma_stream_encoder_mt).
> It identifies itself:
>
> $ cat junk.cpp
> #include <iostream>
> #include "lzma.h"
>
> int main() {
> std::cout << LZMA_VERSION << std::endl;
> }
>
> $ clang++ junk.cpp && ./a.out
> 50020042
> $
>
> Changing libs/iostreams/src/lzma.cpp thus solves enables things to build:
>
> #ifndef BOOST_IOSTREAMS_LZMA_NO_MULTITHREADED
> -    #if LZMA_VERSION < 50020002
> +   #if LZMA_VERSION <= 50020042
>         #define BOOST_IOSTREAMS_LZMA_NO_MULTITHREADED
>     #endif
> #endif
>
> -- Marshall
>