Eons ago, one company I was at used cygwin and my builds were orders of magnitudes slower then others (hours vs minutes).  With closer investigation, the build process spawned lots of command shells and each one took several seconds to start.  After removing and reinstalling the cygwin, my builds were back in the minutes category.
 
Just a thought...
 
Adam
----- Original Message -----
From: chun ping wang
To: boost-users@lists.boost.org
Sent: Thursday, May 24, 2007 1:51 PM
Subject: [work] Re: [Boost-users] [1.34.0] building on cygwin fails out of the box

basically yeah.. common.copy takes about 85 percent of the time.

On 5/24/07, Vladimir Prus <ghost@cs.msu.su> wrote:
chun ping wang wrote:

> hey thanks.. the ./configure make install now works .. but there is some
> problem with the build process.. for some reason on cygwin the
> installation happens to be super slow on my computer.. installing boost
> through dev-cpp takes 15 mintues top..installing through cygwin for some
> reason takes 5 hours ... ( common.copy). I know its a little off topic..
> but taking 5 hours to install boost shouldn't be common..

This is indeed unexpected, but I have no idea what could be wrong. Is
most of this time indeed spent copying files?

- Volodya


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