Building C++ with --enable-languages=c,fortran

[Steve Kargl]

On Sat, Aug 06, 2011 at 03:16:43PM +0200, Toon Moene wrote:
> On 08/06/2011 11:22 AM, Mikael Morin wrote:
> 
> >WRT to bootstrap time, as usual: it's too long.
> 
> Well, that all depends on your (time) frame of reference, of course.  In 
> the summer months leading up to Craig Burley asking for volunteers 
> testing g77 (the g77-alpha phase), i.e., during the summer of 1992, a 
> bootstrap of GCC (C and C++) took 8 hours on my single 25 Mhz Motorola 
> 68040 powered Next Station.
> 
> With the new gcc, I could build a fresh f2c in minutes, and, using that 
> combo (f2c+gcc) a recompile of our weather forecasting code took another 
> 10 minutes.
> 
> Nowadays, on a *4 year old* quad core Core 2 machine, building C, C++, 
> Ada and Fortran takes less than 2 hours, so given that I put in 4 times 
> as many processors, the rest of the hardware keeps up with providing me 
> a bootstrap in 1/4th of the time it took 19 years ago, giving me twice 
> the number of front ends plus run time libraries.
> 
> I think the outlook is good :-)
> 

You left out the crucial hardware spec.  How much memory
did you have 19 years ago compared to the system today?
My experience with g++ is that it will consume more memory
than gcc.  

-- 
Steve