Yes, to enable multi-threaded code. But how? What's going on inside while compiling with '-pthread'? Or what's the difference between them at the compilation level? Or Is there anything happen at optimization level? -----Original Message----- From: boost-users-bounces@lists.boost.org [mailto:boost-users-bounces@lists.boost.org] Sent: Thursday, April 21, 2005 03:59 To: boost-users@lists.boost.org Subject: Re: [Boost-users] Re: why so many .so and .a files for boost? On 4/20/05, Tom Tan (SH/RDC) <tom.tan@ericsson.com> wrote:

got it, then why do i have to turn on the '-pthread' option of g++ when using boost_thread library?

Because you need that option to enable multi-threaded code. The Boost Threads library isn't much use without it :-) -- Caleb Epstein caleb dot epstein at gmail dot com _______________________________________________ Boost-users mailing list Boost-users@lists.boost.org http://lists.boost.org/mailman/listinfo.cgi/boost-users