[boost] identifier "lightweight_mutex" is undefined

From: Ralf W. Grosse-Kunstleve (rwgk_at_[hidden])
Date: 2002-04-21 06:45:27

We are running automatic nightly builds of a system that uses
Boost.Python. The build of last night (and maybe also the night
before) fails on all platforms that we use (Linux/Sun gcc, Tru64 cxx,
IRIX CC, Win32 CodeWarrior; I also tried VC7 manually). For example:

cxx: Error:
/net/ringneck/scratch1/sauter/daily_build/1019379603/xtbx/boost/boost/detail/shared_count.hpp,
line 156: #20 
          identifier "lightweight_mutex" is undefined
    mutable lightweight_mutex mtx_;
------------^
cxx: Error:
/net/ringneck/scratch1/sauter/daily_build/1019379603/xtbx/boost/boost/detail/shared_count.hpp,
line 75: #276 
          name followed by "::" must be a class or namespace name
        lightweight_mutex::scoped_lock lock(mtx_);
--------^

Advice for fixing this problem is very much appreciated.

Thanks,
        Ralf

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