problem with building package in R 2.6.0

Hello,



I can nolonger build R packages in R 2.6.0 (win xp). I get the error
message 'sh' is not recognized as an internal

or external command. In earlier versions of R I had no problems. Maybe
that someone can help me with this.

Jean-Paul Fox.





C:\PROGRA~1\R\R-2.6.0\bin>Rcmd build --force --binary C:\Temp\R260\mlirt

* checking for file 'C:\Temp\R260\mlirt/DESCRIPTION' ... OK

* preparing 'C:\Temp\R260\mlirt':

* checking DESCRIPTION meta-information ...'sh' is not recognized as an
internal

or external command,

operable program or batch file.

'sh' is not recognized as an internal or external command,

operable program or batch file.

OK

* removing junk files

'sh' is not recognized as an internal or external command,

operable program or batch file.

'sh' is not recognized as an internal or external command,

operable program or batch file.

'sh' is not recognized as an internal or external command,

operable program or batch file.

Error: cannot open file 'mlirt/DESCRIPTION' for reading