running msys under wine

[Marcus Meissner]

On Fri, Jan 09, 2009 at 06:39:27PM +0000, Luke Kenneth Casson Leighton wrote:
> http://bugs.winehq.org/show_bug.cgi?id=13606
> 
> folks, hi,
> 
> am running a configure script under wine, and it's _literally_ one to
> two seconds per sh.exe instance.  i started running ./configure over
> two hours ago and there are about 100 lines of output so far, with a
> further 200 to go i am better off leaving this running overnight.  as
> this is development work i am doing, not "building something that's
> already known to work" i have to call a halt to the development,
> because it is crazy to expect to have to wait four to six hours if i
> make a single change to configure.in or Makefile.pre.in - god help me
> if i have to run autoconf (fortunately i can do that from linux).
> 
> ... so i did some investigation:
> 
>  strace -o log.txt -ff wine cmd
> 
> followed by running c:\msys\msys.bat
> 
> ignoring the fact that sh.exe crashed on me (which it doesn't do when
> you don't use strace) i was able to obtain some system call usage when
> firing up sh.exe, and it's _horrendous_.
> 
> X11 keyboard files, X11 locale files, iconv, windows fonts, unix fonts
> - all to fire up c:/msys/bin/sh.exe ?
> 
> further up the strace files, i'm looking at the biggest offender and
> it looks like it's reading files one byte at a time.  reconstructing
> some of the sentences i can make out "remember that we get here even
> under command.com\r\n". ohhh i remember where i've seen that - that's
> in msys.bat.  .... why is it being read one byte at a time?? there are
> _thousands_ of lines like this:

If it starts up the wine environment every time this might take some time.

Try to keep a "notepad" open in the background so the wine environment stays
running.

Ciao, Marcus