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

From: Bobby Ward (bobbyrward_at_[hidden])
Date: 2007-05-30 14:54:00

Actually...

> A note to Cygwin <http://www.cygwin.com/> and MinGW <http://mingw.org/>users

>If you plan to use your tools from the Windows command prompt, you're in
the right place. If you plan to build from the
Cygwin<http://www.cygwin.com/>bash shell, you're actually running on a
POSIX platform and should follow
the instructions for getting started on Unix
variants<http://www.boost.org/more/getting_started/unix-variants.html>.
Other command shells, such as MinGW <http://mingw.org/>'s MSYS, are not
supported—they may or may not work.

On 5/30/07, Scott Meyers <usenet_at_[hidden]> wrote:
>
> Bobby Ward wrote:
> > Fortunately/Unfortunately you have to specify the library as
> >
> > -lboost_regex-mgw41-1_34
>
> Hoo-ray, it finally works.  Thanks very much for this crucial information.
> FWIW, use of the LIBRARY_PATH environment variable works, too, so my
> successful
> command line looks like this:
>
> D:\Temp>g++ -Wall -O3 -ID:\C++\Boost\Current -o boostbuildtest.exe
> boostbuildtest.cpp -lboost_regex-mgw41-1_34 -lboost_filesystem-mg
> w41-1_34
>
> While trying to resolve this issue, I noticed during my search of the
> Boost User
> newsgroup that I was only one of several people having difficulty getting
> Boost
> to link with gcc, especially because, IIUC, things changed from 1.33 to
> 1.34.
> Better documentation would help.  For example,
> http://www.boost.org/more/getting_started/windows.html says "On Windows,
> append
> a version number even if you only have one version installed (unless you
> are
> using the msvc or gcc toolsets, which have special version detection code)
> or
> auto-linking will fail." This strongly suggests that gcc supports
> auto-linking
> in a manner similar to MSVC, so I was surprised that what worked for MSVC
> did
> not work for gcc.  Later on that page I read "Most Windows compilers and
> linkers
> have so-called "auto-linking support," and since g++ is commonly used on
> Windows, I assumed that it fell into the "Most Windows compilers"
> category.
>
> It would be nice if that page didn't limit its examples to MSVC.  I know
> it's
> not practical to cover all possible compilers, but it seems to me that the
> big
> two are VC++ and gcc, so it'd be nice to have examples using both front
> and center.
>
> Thanks for all for your help.
>
> Scott
>
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>

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