On 09/28/2009 04:39 PM, Uwe Ligges wrote:
Romain Francois wrote:
On 09/27/2009 08:27 PM, Uwe Ligges wrote:
Romain Francois wrote:
Hello,
Is there such thing as a build time dependency between packages :
package B needs package A so that it can build, but once built it
lives without it.
Do you mean at a) "R CMD build" time or at b) "R CMD INSTALL" time?
I meant R CMD INSTALL (but probably also R CMD build --binary), I need
to check the code to see where this overlaps.
Are you sure you *really* need those dependencies at INSTALL rather than
build time? I haven't looked closely into roxygen so far, but if it is
designed to work at INSTALL time, the task is to move this to the build
time of the package from my point of view.
Since the roxygen author, Manuel Eugster, is in Dortmund today, I will
discuss this point.
Hi Uwe,
I think you are supposed to do this kind of sequence:
R CMD roxygen yourRoxygenablePackage
R CMD build yourRoxygenablePackage_roxygen
... but I don't like this because what you upload to cran is not the
actual source but somethingalready pre-processed. (This also applies to
packages shipping java code, most people just compile the java code on
their machine and only supply a jar of compiled code, but that's another
story I suppose ...)
I'd prefer the roxygenation to be part of the standard build/INSTALL
system, so my plan is to write configure and configure.win which would
call roxygenize to generate Rd.
I am not aware of any hook similar to configure[.win] you can use so
that "R CMD build" does something extra. I probably just missed it.
Romain
Best,
Uwe Ligges
For a), you probably do not need to declare it in DESCRIPTION at all
(untested).
For b), you need to declare it. I feel uncomfortable to change the
Depends field between source and binary version of a package. At least,
it is not documented to work and if it works (have you tested that?), it
might not work in some future release of R.
But since you gave at least 2 reasonable examples for a
INSTALL-time-only dependency, you might want to contribute some patches
to handle such a thing.
Sure. I'll have a look to add a "InstallDependencies" (or whatever
other spelling) field along the lines of Depends, but for INSTALL time.
Romain
Best wishes,
Uwe
For example depending on the ant package to compile java code, or
depend on roxygen to roxygenize the code, ...
Adding roxygen to Depends works, but then the installed package does
not depend on it and therefore loads it for nothing. Maybe I can
remove roxygen from the Depends as part of the ./configure[.win] ...
Romain
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Romain Francois
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