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Subject: Re: [Boost-users] [iostreams] with compression filters?
From: Mikko Vainio (mikko.vainio_at_[hidden])
Date: 2009-03-04 05:06:52

eg wrote:
> Mikko Vainio wrote:
>> Dear boosters,
>> I'm trying to compile IOStreams from 1.38.0 with bzip2 compression
>> enabled on windows. The docs say "you will need to set variables
>> indicating the location of the source files". Setting
>> variables in user-config.jam doesn't seem to do the trick. Providing
>> "-s|BZIP2_SOURCE|=..." or any of the other related variables or
>> combinations thereof on the command line for bjam does not help. Does
>> anyone out there have an example on how to do this exactly?
>> I suggest such an example to be added to the documentation.
>> Or is this a bug in the build system?
> While I haven't built it with 1.38.0, I have done previous versions.
> I found that I ONLY set the zlib path environment variables...
> zlib_libpath, zlib_source, and zlib_include. In fact, I just set them
> as explicit environment variables and then called bjam with the
> correct toolset.
> I did not do anything with no_zlib or no_compression (IIRC they caused
> me problems).
> I believe the bzip2 settings are analogous.
Thanks, setting BZIP2_SOURCE and ZLIB_SOURCE as *environment* variables
made it work. The IOStreams Installation documentation clearly says
" may need to set several Boost.Build variables...", which is
obviously misleading.


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