Hi Mike, Thanks a lot for responding to my plea for help. I was getting the following errors while building my simple program that used Boost threads( only the initial errors are listed below ). ******************************************************* /usr/local/boost/boost_1_30_0/boost/type_traits/is_convertible.hpp:191: template instantiation depth exceeds maximum of 17 /usr/local/boost/boost_1_30_0/boost/type_traits/is_convertible.hpp:191: (use -ftemplate-depth-NN to increase the maximum) /usr/local/boost/boost_1_30_0/boost/type_traits/is_convertible.hpp:191: instantiating `boost::add_reference' /usr/local/boost/boost_1_30_0/boost/type_traits/is_convertible.hpp:191: instantiated from `boost::detail::is_convertible_impl' /usr/local/boost/boost_1_30_0/boost/type_traits/is_enum.hpp:91: instantiated from `boost::is_convertible' /usr/local/boost/boost_1_30_0/boost/type_traits/is_enum.hpp:91: instantiated from `boost::detail::is_enum_helper<false>::type' /usr/local/boost/boost_1_30_0/boost/type_traits/is_enum.hpp:91: instantiated from `boost::detail::is_enum_impl' /usr/local/boost/boost_1_30_0/boost/type_traits/is_scalar.hpp:36: instantiated from `boost::is_enum' /usr/local/boost/boost_1_30_0/boost/type_traits/is_scalar.hpp:36: instantiated from `boost::detail::is_scalar_impl' /usr/local/boost/boost_1_30_0/boost/type_traits/is_pod.hpp:41: instantiated from `boost::is_scalar' /usr/local/boost/boost_1_30_0/boost/type_traits/is_pod.hpp:41: instantiated from `boost::detail::is_pod_impl' /usr/local/boost/boost_1_30_0/boost/type_traits/has_trivial_constructor.hpp:32 : instantiated from `boost::is_POD' /usr/local/boost/boost_1_30_0/boost/type_traits/has_trivial_constructor.hpp:32 : instantiated from `boost::is_pod' /usr/local/boost/boost_1_30_0/boost/type_traits/has_trivial_constructor.hpp:32 : instantiated from `boost::detail::has_trivial_ctor_impl' ******************************************************* Being new to Boost, I was not aware of the concept of 'template instantiation depth'. Then I echo'ed the gcc-C++-action in gcc-tools.jam file - and found out that the following options are used while building the threads library. **************************** g++ -c -Wall -ftemplate-depth-100 -DBOOST_THREAD_BUILD_DLL=1 -g -O0 -fno- inline -pthread -fPIC ........ **************************** Now I used "g++ -ftemplate-depth-100" for building my example program and it compiled and ran fine. I suppose such things should be documented in the Boost site. regards, Debayan.

"Debayan Chaudhuri" wrote in message news:20041008161349.M12932@rebaca.com...

...

Hi,

I am evaluating Boost for use in our project. The platform OS is FreeBSD 4.9; which comes with gcc-2.95.3. I downloaded boost_1.30.0 and compiled the thread library on the FreeBSD box.

When I try to compile a small test program using Boost threads; I encounter hundreds of compiler errors; mostly in the Boost header files. Is there a workaround to this ? Which version of Boost works with gcc-2.95.3 and what are the compiler options that will make it compile properly?

It's pretty hard to help unless you tell us what the compile errors are. Perhaps you could post them if you're still having problems?

Mike

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