[ODE] operator new undefined link cygwin gcc

[Anselm Hook]

For the default compiler in makefile.cygwin to be g++ you have to wrap
extern "C" { } around your includes in the configurator source.  Also just
remove exit() - it isn't important.  The configurator could be generalized
to support this overall but I guess it's pretty obvious.

As for your bug with not being able to link - I did see some comment about
that earlier on the list.  Try cvs to head revision and see if it is
fixed.  Otherwise try see if your cygwin is older...

 - a

> =====================================================================
> == Result of make with g++: =========================================
>
> /home/martin!/ode-0.03> make
> g++ -DdDOUBLE  -DdNODEBUG -o configurator.exe configurator.c
> configurator.c: In function `void fatal_error(char*)':
> configurator.c:112: `exit' undeclared (first use this function)
> configurator.c:112: (Each undeclared identifier is reported only once
> for each
>     function it appears in.)
> configurator.c: In function `void delete_file(char*)':
> configurator.c:167: `system' undeclared (first use this function)
> make: *** [configurator.exe] Error 1
>
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