--- gideon may <gideon@[...].org>  wrote:
>  Regarding compilation on Linux in debug mode (gcc 3.2),
>  I have extremely long linking phases, sometimes up to an hour
>  with my application :(. Is there a way to speed this up ?
>  Linking without debug info is much faster.

I am always using -O0. If and only if I really need the debug symbols I
recompile with -g (with SCons and bjam you can do this without interferring
with your -O0 built).

>  > 2. Once you have your (run)time-consuming core algorithms implemented in
>  > C++ and wrapped with Boost.Python you can spend most of your time working
>  > with the much more pleasant Python language. I am sometimes going for
>  > weeks without recompiling.
>  
>  Except if you're actively developing the wrapper library and looking
>  for bugs in your code.

True, but:

- Parallel builts really help.

- Good build systems like SCons and bjam always only recompile what is really
needed (i.e. no "make clean" necessary ever).

- You can maximize the benefits of parallel builts and good build systems by
modularizing your code, which is also good for other reasons.

- While developing you can use the fastest platform available. Test on slower
platforms later.

Ralf


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