[R-pkg-devel] Error creating union class: object ‘.__C__compMatrix’ not found

[William Dunlap]

% R-devel --vanilla --quiet
> library(Matrix)
> setClassUnion("mMatrix", c("Matrix", "matrix"))
Error in get(cname, envir = cwhere, inherits = FALSE) :
  object '.__C__compMatrix' not found
Error in setClassUnion("mMatrix", c("Matrix", "matrix")) :
  unable to create union class:  could not set members "Matrix"
> sessionInfo()
R Under development (unstable) (2020-04-07 r78175)
Platform: x86_64-pc-linux-gnu (64-bit)
Running under: Ubuntu 16.04.6 LTS

Matrix products: default
BLAS/LAPACK: /usr/lib/libopenblasp-r0.2.18.so

locale:
 [1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
 [3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
 [5] LC_MONETARY=en_US.UTF-8    LC_MESSAGES=en_US.UTF-8
 [7] LC_PAPER=en_US.UTF-8       LC_NAME=C
 [9] LC_ADDRESS=C               LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

other attached packages:
[1] Matrix_1.2-18

loaded via a namespace (and not attached):
[1] compiler_4.1.0  grid_4.1.0      lattice_0.20-41

Bill Dunlap
TIBCO Software
wdunlap tibco.com


On Wed, Apr 8, 2020 at 7:35 AM Martin Maechler <maechler using stat.math.ethz.ch>
wrote:

> >>>>> renozao
> >>>>>     on Mon, 30 Mar 2020 21:20:43 +0000 writes:
>
>     > Hi,
>     > when R CMD check is run under R-devel (2020-03-29 r78108) I get the
> following error at installation:
>
>     > Error in get(cname, envir = cwhere, inherits = FALSE) :
>     > object ‘.__C__compMatrix’ not found
>     > Error in setClassUnion("mMatrix", c("Matrix", "matrix")) :
>     > unable to create union class:  could not set members "Matrix"
>
>     > This does not happen on R 3.6.3.
>
>     > I tried with Matrix listed in Depends but I still get the same error.
>
>     > Is this linked to some changes in union classes or the Matrix
> package?
>
>     > Thank you.
>
>     > Bests,
>     > Renaud
>
> Hi Renaud,
> One reason you got no response here, is because we don't even
> know about which package you are talking.
>
> So there's nothing, anybody can reproduce from your posting.
>
> There have been changes in R's dealing with class unions etc,
> notably even *relating* to an earlier bug report on class unions
> exactly for such a case which was *triggered* when people built
> on such Matrix classes.
>
> But we would really want to be able to reproduce what you are seeing..
>
> Best regards,
> Martin Maechler
>
> ETH Zurich, R Core Team *and* maintainer("Matrix")
>
> ______________________________________________
> R-package-devel using r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-package-devel
>

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