[V2] patch fro gcc.jam threading-support

From: Jürgen Hunold (hunold+lists.Boost_at_[hidden])
Date: 2003-11-06 05:38:40

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Hi !

The attached patch adds -pthread to gcc command line when
<threading>multi is set.
Without this, boost::thread won't compile.
V1 already adds -pthread, so I think this is the right solution for V2, 
too.
Without -pthread , boost.config fails to detect threading API and 
#undefs BOOST_HAS_THREADS somewhere in the depths...

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
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Index: tools/gcc.jam
=================================RCS file: /cvsroot/boost/boost/tools/build/v2/tools/gcc.jam,v
retrieving revision 1.6
diff -u -3 -p -r1.6 gcc.jam
--- tools/gcc.jam	22 Oct 2003 16:18:07 -0000	1.6
+++ tools/gcc.jam	6 Nov 2003 10:33:05 -0000
@@ -71,7 +71,9 @@ flags gcc.compile OPTIONS <inlining>full
flags gcc.compile OPTIONS <debug-symbols>on : -g ;
flags gcc.compile OPTIONS <profiling>on : -pg ;

+flags gcc.compile OPTIONS <threading>multi : -pthread ;
+
flags gcc.compile OPTIONS <cflags> ;
flags gcc.compile.c++ OPTIONS <cxxflags> ;
flags gcc.compile DEFINES <define> ;
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