Boost, threading and FreeBSD problem

[Rob Lahaye]

Hi,

There's a problem with threading since recent boost updates in CVS,
at least for my FreeBSD PC.
My make ends with:

[...]
/usr/local/bin/g++33 -g -O -fno-exceptions -W -Wall -o tex2lyx FloatList.o Floating.o 
counters.o lengthcommon.o lyxlayout.o lyxtextclass.o lyxlex.o lyxlex_pimpl.o boost.o 
context.o gettext.o lyxfont.o texparser.o tex2lyx.o preamble.o math.o table.o text.o  
-L/opt/lib -L/usr/local/lib ../support/.libs/libsupport.a 
../../boost/libs/regex/src/.libs/libboostregex.a -lz
../../boost/libs/regex/src/.libs/libboostregex.a(regex_synch.o): In function 
`boost::re_detail::re_init_threads()':
/home/lahaye/SOFTWARE/lyx-devel/boost/libs/regex/src/../../../../boost/boost/regex/v4/regex_synch.hpp:88:
 undefined reference to `pthread_mutex_init'
../../boost/libs/regex/src/.libs/libboostregex.a(regex_synch.o): In function 
`boost::re_detail::re_free_threads()':
/home/lahaye/SOFTWARE/lyx-devel/boost/libs/regex/src/../../../../boost/boost/regex/v4/regex_synch.hpp:93:
 undefined reference to `pthread_mutex_destroy'
collect2: ld returned 1 exit status
gmake[4]: *** [tex2lyx] Error 1
On my FreeBSD PC, there should be something like this set before compilation:
        setenv CXXFLAGS -D_THREAD_SAFE
        setenv CFLAGS -D_THREAD_SAFE
        setenv LDFLAGS -pthread
I suppose this should be added somethere in the autoconf script.

Regards,
Rob.