Re: g++ linking error with lboost_program_options

From: John Maddock (jz.maddock_at_[hidden])
Date: 2021-07-24 10:33:24

On 23/07/2021 07:57, Stefano Gragnani via Boost-users wrote:
> The development system is:
> MacBook Pro Intel i9
> MacOS Â Big Sur 11.4
> gcc version 11.1.0 (Homebrew GCC 11.1.0_1)
> clang version 12.0.0
>
> I'm having trouble compiling some examples from the book 'Boost C ++ 
> Application Development Cookbook’.
> The problem occurs *only* *with g ++,* *with clang there is no error.*
> Mistakes only occur when linking to -lboost_program_options, 
> -lboost_system and -lboost_filesystem, with any other library (eg 
> -lboost_chrono) everything is fine.

Did you compile the libraries with g++ or are they clang compiled?  I 
would expect that mixing the 2 would cause issues.

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