Re: [Boost-users] Specifying library locations for g++

From: Bobby Ward (bobbyrward_at_[hidden])
Date: 2007-05-30 01:57:22

To instruct g++ to look in an additional directory for libraries use "-L
<path>"

I believe that's what you're looking for.

On 5/30/07, Scott Meyers <usenet_at_[hidden]> wrote:
>
> I've built Boost 1.34 for VC8 and g++ 4.1.1 on WinXP.  I'm testing my
> installation with a simple program that uses Boost.FileSystem and
> Boost.Regex.
> Compilation is no problem, and for VC8, all I have to do to get things to
> link
> is add the location of the Boost binaries to the LIB environment variable.
>
> I was hoping that all I had to do for g++ was do the same for the
> LIBRARY_PATH
> environment variable (per
> http://gcc.gnu.org/onlinedocs/gcc/Environment-Variables.html), but I get
> unresolved symbol errors during linking even after doing that.  I played
> around
> with the -l option (per
> http://gcc.gnu.org/onlinedocs/gcc/Link-Options.html#Link-Options), but
> nothing I
> tried worked.
>
> I have the following relevant binaries in my Boost binary directory:
>
> libboost_regex-mgw41-1_34.a
> libboost_regex-mgw41-d-1_34.a
> libboost_regex-mgw41-mt-1_34.a
> libboost_regex-mgw41-mt-d-1_34.a
> libboost_regex-mgw41-mt-s-1_34.a
> libboost_regex-mgw41-mt-sd-1_34.a
> libboost_regex-mgw41-s-1_34.a
> libboost_regex-mgw41-sd-1_34.a
> boost_filesystem-mgw41-1_34.a
> boost_filesystem-mgw41-d-1_34.a
> boost_filesystem-mgw41-mt-1_34.a
> boost_filesystem-mgw41-mt-d-1_34.a
> libboost_filesystem-mgw41-1_34.a
> libboost_filesystem-mgw41-d-1_34.a
> libboost_filesystem-mgw41-mt-1_34.a
> libboost_filesystem-mgw41-mt-d-1_34.a
> libboost_filesystem-mgw41-mt-s-1_34.a
> libboost_filesystem-mgw41-mt-sd-1_34.a
> libboost_filesystem-mgw41-s-1_34.a
> libboost_filesystem-mgw41-sd-1_34.a
>
> Can somebody explain or point me to an explanation of what I need to do to
> get a
> program using Boost binaries to link?  I'm hoping there's something as
> simple as
> with VC8 where I can just specify a directory to look in and have the
> linker
> magically figure everything out from there.  I'd like to avoid explicitly
> having
> to add a new library to link against each time I start using a new
> compiled
> Boost library in a project.
>
> Incidentally, in the above list of files, I notice that for
> Boost.FileSystem,
> there are some archives that start with lib and some that do not, while
> for
> regex, all start with lib.  Is this meaningful?
>
> Thanks,
>
> Scott
>
>
>
>
> _______________________________________________
> Boost-users mailing list
> Boost-users_at_[hidden]
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>

-- 
Bobby R. Ward
------------------------------
bobbyrward_at_[hidden]
http://www.bobbyrward.com
http://combustion.sourceforge.net