Am 02.02.2021 um 02:38 schrieb Duncan Murdoch:
On 01/02/2021 5:03 p.m., Ulrike Grömping wrote:
Dear package developeRs,
under the Fedora clang checks, I find the note
"Undeclared packages ‘FrF2’, ‘DoE.wrapper’, ‘sfsmisc’, ‘DoE.MIParray’,
‘planor’ in Rd xrefs"
for my package DoE.base. I understand that package planor has been
archived from CRAN; I don't understand what is wrong with the other
xrefs; only the R-Devel Fedora clang flavor seems to complain, and I did
not find an explanation in the section on cross references in Writing R
Extensions. Can someone explain the meaning of this note?
There's a line in the Writing R Extensions manual section 2.5
Cross-refernces for R-devel that says:
"Packages referred to by these ‘other forms’ should be declared in the
DESCRIPTION file, in the ‘Depends’, ‘Imports’, ‘Suggests’ or
‘Enhances’ fields."
The other forms are the forms of links to other packages. So
presumably you don't mention those packages in your DESCRIPTION file.
Generally that means they should be listed in Suggests, which doesn't
force them to be installed, but they will be installed during tests.
You might also argue they should be in Enhances, though that seems a
worse fit.
Duncan Murdoch
Thank you for the explanation! I will remove the xref to sfsmisc
(because it does not make sense to suggest that package). The three
other still available packages all depend on or import DoE.base. Thus,
if I incorporate them in Suggests, I will create a circular dependence
structure. Doesn't that create problems?
Ulrike Grömping
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