Re: [Boost-bugs] [Boost C++ Libraries] #1967: bjam bug? iostreams + zlib won't build for VC8 or MinGW with small hack to Jamfile.v2

Subject: Re: [Boost-bugs] [Boost C++ Libraries] #1967: bjam bug? iostreams + zlib won't build for VC8 or MinGW with small hack to Jamfile.v2
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2008-06-03 19:57:15

#1967: bjam bug? iostreams + zlib won't build for VC8 or MinGW with small hack to
Jamfile.v2
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  Reporter:  brian.pratt_at_[hidden]  |       Owner:  vladimir_prus 
      Type:  Bugs                       |      Status:  new           
 Milestone:  Boost 1.36.0               |   Component:  Building Boost
   Version:  Boost 1.35.0               |    Severity:  Problem       
Resolution:                             |    Keywords:                
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Comment (by brian.pratt_at_[hidden]):

 Since NO_ZLIB defaults to 1 for VC8 and MinGW, it's necessary to set it to
 0 at the bjam commandline (-sNO_ZLIB=0).  My experience, though, was that
 this didn't work, and that the test as written seemed to act more as an
 "ifdef NO_ZLIB". If the test is rewritten to check explicitly for value
 "1" it acts as required and the zlib build is enabled.  It's as if bjam
 has forgotten the difference between a boolean (zero vs everything else)
 and an ifdef (undefined vs everything else).

-- 
Ticket URL: <http://svn.boost.org/trac/boost/ticket/1967#comment:5>
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