German,

Hmm, I've tried it with a couple of versions of GCC on Ubuntu (not yet 4.2.3), and can't reproduce the errors you mention.

Could you describe the exact sequence of bjam and other commands (are you using bjam?) that you use (and which directories you use them in) to reproduce the problem?

Also, could you try running the following script in the root of the extracted directory? (ie, extension-reflection/)

You'll need to define BOOST_BJAM_LOCATION if bjam isn't in your path, and you may need to define BOOST_BJAM_OPTIONS. If you don't have bjam, I've included the source in tools/jam/src/.

# BEGIN BASH SCRIPT

set -e
set -x
echo Testing
if [ -z $BOOST_BJAM_LOCATION ]
then
  BOOST_BJAM_LOCATION=bjam
fi
BOOST_SANDBOX_ROOT=`pwd`
BOOST_ROOT=`pwd`
BOOST_BUILD_PATH=${BOOST_ROOT}/tools/build/v2
for f in libs/extension/examples libs/reflection/examples libs/reflection/test libs/extension/test 
do
  cd $BOOST_ROOT/$f
  echo `pwd`
  $BOOST_BJAM_LOCATION $BOOST_BJAM_OPTIONS
done

# END BASH SCRIPT

Thanks for the bug reports.

Jeremy Pack

On Sat, Sep 13, 2008 at 5:24 AM, Germán Diago <germandiago@gmail.com> wrote:
Hello. I downloaded boost.extensions from
http://boost-extension.blogspot.com/?gclid=CNjp5dfJ2JUCFQsZQgod0mHbWg

When I tried the first example (the shared_library one) in the
tutorial, I realized that the
macro BOOST_EXTENSION_EXPORT_DECL didn't prevent c++ name mangling for
the example
function. I had to add extern "C" before void manually.

And in the second tutorial (the animals tutorial)
BOOST_EXTENSION_TYPE_MAP_FUNCTION
seems to be called, but when I get the map from main, it is empty. The
library is found (LD_LIBRARY_PATH is set
so that it finds the library) but it does not work.
Thank you.

Tested in gcc 4.2.3 under ubuntu 8.04.
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