Re: [Boost-users] boost::lockfree::queue not working with -fgnu-tm

Subject: Re: [Boost-users] boost::lockfree::queue not working with -fgnu-tm
From: Angelo Mondaini (oangelo_at_[hidden])
Date: 2014-07-15 17:47:58

I also use Archlinux, I have tested your code.
Indeed, with all the flags you are trying, gcc can't compile.
To me, the problem is the flag "-O3", removing it gcc can compile the code,
no problem.
Note that "-O3" are very wild optimizations, it can makes the code slower
some times and it can even break the code.
Careful when using it.

HTH,
Angelo

2014-07-15 12:09 GMT-03:00 Philipp Schoppe <philipp.schoppe_at_[hidden]>:

> Hello,
>
> I try to benchmark different queue implementations. I have a test program
> which includes the boost lockfree queue and some custom implementations
> where one is using gcc's STM. In order to compile it, I need to add the
> -fgnu-tm
> flag. I am using an up-to-date arch linux system with gcc 4.9.0 and boost
> 1.55.0
> When adding this flag, I get a compilation error. This is a small example
> that
> illustrates the problem:
>
> errtest.cpp:
>
> #include <boost/lockfree/queue.hpp>
>
> int main () {
>
>     boost::lockfree::queue<int> lfqueue;
>     lfqueue.push(234);
>
>     return 0;
> }
>
> Compiling it using
>
> g++ -std=c++11 -lboost_system -g -O3 -Wall -Werror -Wswitch-enum
>   -fgnu-tm errtest.cpp -o test
>
> leads to an error.
>
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