Re: Newbee Questions on Directory Structure of Boost Libs.

From: Vladimir Prus (yg-boost-users_at_[hidden])
Date: 2003-05-30 08:59:35

Hi Adalbert,

> I'm new to Boost and have some problems understanding the way Boost
> libs. are built and installed.
[...]

> I do not completely understand the directory structure generated
> during the build process:
> 
> ../boost_1_30_0/libs/test/build/bin/libboost_prg_exec_monitor.a
>                                    /libboost_prg_exec_monitor.so
>                                    /libboost_test_exec_monitor.a
>                                    /libboost_test_exec_monitor.so
>                                    /libboost_unit_test_framework.a
>                                    /libboost_unit_test_framework.so
> 
> Below the directories given above a specific subdirectory tree was
> created. Example:
> 
> .../libboost_prg_exec_monitor.a/
>       /sunpro/
>          /debug/
>             /runtime-link-dynamic/
>             /runtime-link-static/
>                /threading-multi/libboost_prg_exec_monitor.a
>                /threading-single/libboost_prg_exec_monitor.a
> 
> From this I conclude:
> 
> 1. The builds are separated from each other in compiler specific
> subdirectory trees, e.g. the "sunpro" subtree contains the build results
> from
> 
> $ bjam "-sTOOLS=sunpro"
> 
> i.e. the sun forte 6.2 compiler and the "gcc" subtree contains the
> build results from
> 
> $ bjam "-sTOOLS=gcc"
> 
> i.e. the gcc 3.2.2 compiler on Linux.

Yep.

> 
> Obviously there is no separation by OS platform (Solaris or
> Linux). What would I have to do to build the lib. with gcc on Solaris?
> Where would the products be installed?

Is your directory shared between Solaris and Linux? Hmm... I'm afraid
there's nothing you can do about it.

> Furthermore there is no separation by compiler version
> (e.g. gcc 2.95.2 is not separated from gcc  3.2.2). Is this considered
> unnecessary?

In fact, that's important feature. Boost.Build V2 already has it.

> 2. The libs were built with debug symbols (-g option) only), correct?
> 
> I'm not familiar with jam and therefore don't know what to do to get
> them built with optimization active. It seems to me as if this should
> be rather simple because in
> ../boost_1_30_0/tools/build/sunpro-tools.jam obviously two variants of
> the CFLAGS variable for optimization are defined:

You should pass "-sBUILD=release" flag to jam. 

HTH,
Volodya