Re: [Boost-users] boost exceptions on MacOS 10.5

From: Mat Marcus (mat-lists_at_[hidden])
Date: 2008-03-02 12:22:26

On Wed, Feb 20, 2008 at 3:31 PM, Lothar May <boost_at_[hidden]> wrote:
> Hi,
>
> I've brought this up before, but I still have no solution for this
> issue, so I will give it another try:
>
> Does anyone have boost 1.34.1 compiled on MacOS 10.5 where exceptions
> can be caught? You might use the following code to test:
>
> --cut here--
>
> #include <iostream>
> #include <boost/filesystem.hpp>
>
> using namespace std;
> using namespace boost::filesystem;
>
> int
> main()
> {
>     try
>     {
>         directory_iterator i("does_not_exist");
>     } catch(...)
>     {
>         cout << "This is never printed on MacOS 10.5." << endl;
>     }
>     return 0;
> }
>
> --cut here--
>
> If this works with your installation of boost on MacOS 10.5, please tell
> me which steps you did to compile boost, and whether you used the static
> or dynamic version.
>
> A related question is: Is boost "supposed to work" on MacOS 10.5?
>
> Thanks,
>
> Lothar

It sounds like you may be experiencing issues with gcc visibility. Try
making symbols visible, or at minimum add  -fvisibility-ms-compat to
your build settings. See, for example,
http://gcc.gnu.org/wiki/Visibility under "Problems with C++ exceptions
(please read!)".

 - Mat