diff -rc boost_1_49_0/tools/build/v2/tools/darwin.jam boost_1_49_0-new/tools/build/v2/tools/darwin.jam
*** boost_1_49_0/tools/build/v2/tools/darwin.jam	Mon Jun  6 22:36:21 2011
--- boost_1_49_0-new/tools/build/v2/tools/darwin.jam	Thu May 23 22:07:45 2013
***************
*** 498,504 ****
  flags darwin.compile OPTIONS <link>shared : -dynamic ;
  
  # Misc options.
! flags darwin.compile OPTIONS : -no-cpp-precomp -gdwarf-2 -fexceptions ;
  #~ flags darwin.link OPTIONS : -fexceptions ;
  
  # Add the framework names to use.
--- 498,504 ----
  flags darwin.compile OPTIONS <link>shared : -dynamic ;
  
  # Misc options.
! flags darwin.compile OPTIONS : -gdwarf-2 -fexceptions ;
  #~ flags darwin.link OPTIONS : -fexceptions ;
  
  # Add the framework names to use.
diff -rc boost_1_49_0/tools/build/v2/tools/darwin.py boost_1_49_0-new/tools/build/v2/tools/darwin.py
*** boost_1_49_0/tools/build/v2/tools/darwin.py	Wed Oct 28 08:47:51 2009
--- boost_1_49_0-new/tools/build/v2/tools/darwin.py	Thu May 23 21:58:12 2013
***************
*** 37,43 ****
  feature.feature ('framework', [], ['free'])
  
  toolset.flags ('darwin.compile', 'OPTIONS', '<link>shared', ['-dynamic'])
! toolset.flags ('darwin.compile', 'OPTIONS', None, ['-Wno-long-double', '-no-cpp-precomp'])
  toolset.flags ('darwin.compile.c++', 'OPTIONS', None, ['-fcoalesce-templates'])
  
  toolset.flags ('darwin.link', 'FRAMEWORK', '<framework>')
--- 37,43 ----
  feature.feature ('framework', [], ['free'])
  
  toolset.flags ('darwin.compile', 'OPTIONS', '<link>shared', ['-dynamic'])
! toolset.flags ('darwin.compile', 'OPTIONS', None, ['-Wno-long-double'])
  toolset.flags ('darwin.compile.c++', 'OPTIONS', None, ['-fcoalesce-templates'])
  
  toolset.flags ('darwin.link', 'FRAMEWORK', '<framework>')