> A note to Cygwin and MinGW 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 bash shell, you're actually running on a POSIX platform and should follow the instructions for getting started on Unix variants. Other command shells, such as MinGW's MSYS, are not supported—they may or may not work.
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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