Re: [Rd] install.packages and dependency version checking

2008-12-17 Thread Kurt Hornik
> Robert Gentleman writes: > Hi, Two quick (late) comments: > Prof Brian Ripley wrote: >> I've started to implement checks for package versions on dependencies in >> install.packages(). However, this is revealing a number of >> problems/misconceptions. >> >> >> (A) We do not check version

Re: [Rd] install.packages and dependency version checking

2008-12-15 Thread Robert Gentleman
Hi, Prof Brian Ripley wrote: > I've started to implement checks for package versions on dependencies in > install.packages(). However, this is revealing a number of > problems/misconceptions. > > > (A) We do not check versions when loading namespaces, ahd the namespace > registry does not conta

Re: [Rd] install.packages and dependency version checking

2008-12-15 Thread Prof Brian Ripley
On Mon, 15 Dec 2008, Martin Morgan wrote: Prof Brian Ripley writes: I've started to implement checks for package versions on dependencies in install.packages(). However, this is revealing a number of problems/misconceptions. (A) We do not check versions when loading namespaces, ahd the nam

Re: [Rd] install.packages and dependency version checking

2008-12-15 Thread Martin Morgan
Prof Brian Ripley writes: > I've started to implement checks for package versions on dependencies > in install.packages(). However, this is revealing a number of > problems/misconceptions. > > > (A) We do not check versions when loading namespaces, ahd the > namespace registry does not contain v

Re: [Rd] install.packages and dependency version checking

2008-12-15 Thread Gabor Grothendieck
On Mon, Dec 15, 2008 at 12:35 PM, Prof Brian Ripley wrote: > (D) We can really only handle >= dependencies on package versions (but then > I can see no other ops in use). install.packages() will find the latest Ryacas works with XML 1.96-0; however, after Ryacas was released newer versions of XM