[boost] [smart_ptr] BOOST_SP_USE_QUICK_ALLOCATOR and multi-threading broken on gcc-4.0.2

From: Juergen Hunold (hunold_at_[hidden])
Date: 2005-12-07 14:37:52

Hi !

I'm using smart_ptr (read shared_ptr) and BOOST_SP_USE_QUICK_ALLOCATOR 
to speed my program  up. My programs broke when 
"boost/detail/quick_allocator.hpp" Revision 1.9 was commited to HEAD.
I've been able to reproduce this behaviour with the smart_ptr testcase 
and Boost.Build V2 which the attached path "smart_ptr.diff" to  
libs/smart_ptr/test/Jamfile.v2 
I'm cross-posting this to boost-build because the simple command

bjam --v2 threading=multi/define=BOOST_SP_USE_QUICK_ALLOCATOR

did not work. See build-error.txt for full backtrace.

The gcc error is
../../../boost/detail/quick_allocator.hpp:176: error: conflicting 
declaration 'boost::detail::lightweight_mutex 
boost::detail::allocator_impl<size, align_>::mutex_init'
../../../boost/detail/quick_allocator.hpp:81: error: 
'boost::detail::allocator_impl<size, align_>::mutex_init' has a 
previous declaration as 'boost::detail::lightweight_mutex * 
boost::detail::allocator_impl<size, align_>::mutex_init'

Please find the error message "error.txt" attached.

System: Debian Unstable/testing
gcc -v : gcc version 4.0.3 20051201 (prerelease) (Debian 4.0.2-5)

I've tried the obvious fix by adding the missing asterisk (*) gcc 
complains about but then gcc bails out with 
../../../boost/detail/quick_allocator.hpp:176: error: expected 
primary-expression before 'allocator_impl'
 (see fix-error.txt)

I've checked my copy of "C++ Templates" for static template member (page 
97/98) but have no other clue and no copy of the holy standard...

Question: Is this a bug or a feature ?
Question: Is there any way to add tests for BOOST_SP_USE_QUICK_ALLOCATOR 
and treading=multi to Boost.Test (V2) in order to catch such a 
regression.
Question: Can someone reproduce this ?
Question: If this is a bug, whats the fix ?

Yours,

Jürgen

-- 
* Dipl.-Math. Jürgen Hunold  ! Institut für Verkehrswesen, Eisenbahnbau
* voice: ++49 511 762-2529   ! und -betrieb, Universität Hannover  
* fax  : ++49 511 762-3001   ! Appelstrasse 9a, D-30167 Hannover
* hunold_at_[hidden] ! www.ive.uni-hannover.de