Xwin does not start because CYGWIN_ROOT is wrong in startxwin.bat

[Jon TURNEY]

Frédéric Bron wrote:
> This bug is valid for 1.5 and 1.7:
> 
> I have installed cygwin in D:\cygwin-1.5
> but startxwin.bat contains SET CYGWIN_ROOT=\cygwin
> It should be updated to SET CYGWIN_ROOT=\cygwin-1.5
> 
> Can someone change this in the installation process?
> 
> Also the "Start in" directory should also be D:\ or D:\cygwin-1.5

The problem that the 'start in' directory doesn't get set correctly is pretty 
straightforward to fix, see [1]

I don't know a good way of CYGWIN_ROOT correctly automatically.  There was an 
enormous threadnaught about this some time ago, but I lost the will to keep 
reading about halfway though so I don't know if a conclusion was reached.

If we assume that startxwin.bat is located in /usr/bin, then I think someone 
posted a mail with some DOS shell magic to get the directory that the script 
is in into CYGWIN_ROOT, so we should use that, in which case the large comment 
block above setting CYGWIN_ROOT about the need to set CYGWIN_ROOT correctly 
can die.

Sadly, people seem to have a habit of copying it somewhere else (into their 
DOS path perhaps) and expecting it to still work.  Or customising the copy in 
/usr/bin and then getting all their customisations overwritten when the xinit 
package is updated.

PTC, as they say :-)

[1] http://sourceware.org/bugzilla/show_bug.cgi?id=10292

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