The error message seems pretty clear: "The function xfun::isFALSE() will be deprecated in the future. Please consider using base::isFALSE(x) or identical(x, FALSE) instead".

So don't use xfun::isFALSE().

Duncan Murdoch



On 31/03/2023 5:01 p.m., Deepankar Basu wrote:
Hello All,

I am in the process of developing an R package (
https://github.com/dbasu-umass/clptheory) and have encountered problems
with the vignette.

I had initially been able to build the vignette but *after *I added a new
function to my package, I have been  getting the error message that
"Vignette rebuilding failed" when I use devtools:check().

If I use devtools:check(vignette=FALSE), there are no error messages. I can
also compile the vignette with knitr.

Below is the output from devtools:check(vignette=FALSE)
devtools::check(vignettes = FALSE)
══ Documenting
═════════════════════════════════════════════════════════════════════════════════════════════
ℹ Updating clptheory documentation
ℹ Loading clptheory

══ Building
════════════════════════════════════════════════════════════════════════════════════════════════
Setting env vars:
• CFLAGS    : -Wall -pedantic -fdiagnostics-color=always
• CXXFLAGS  : -Wall -pedantic -fdiagnostics-color=always
• CXX11FLAGS: -Wall -pedantic -fdiagnostics-color=always
• CXX14FLAGS: -Wall -pedantic -fdiagnostics-color=always
• CXX17FLAGS: -Wall -pedantic -fdiagnostics-color=always
• CXX20FLAGS: -Wall -pedantic -fdiagnostics-color=always
── R CMD build
─────────────────────────────────────────────────────────────────────────────────────────────
✔  checking for file ‘/home/basu15/MyRProjects/clptheory/DESCRIPTION’ ...
─  preparing ‘clptheory’:
✔  checking DESCRIPTION meta-information ...
─  checking for LF line-endings in source and make files and shell scripts
─  checking for empty or unneeded directories
─  building ‘clptheory_0.0.0.9000.tar.gz’

══ Checking
════════════════════════════════════════════════════════════════════════════════════════════════
Setting env vars:
• _R_CHECK_CRAN_INCOMING_USE_ASPELL_           : TRUE
• _R_CHECK_CRAN_INCOMING_REMOTE_               : FALSE
• _R_CHECK_CRAN_INCOMING_                      : FALSE
• _R_CHECK_FORCE_SUGGESTS_                     : FALSE
• _R_CHECK_PACKAGES_USED_IGNORE_UNUSED_IMPORTS_: FALSE
• NOT_CRAN                                     : true
── R CMD check
─────────────────────────────────────────────────────────────────────────────────────────────
─  using log directory ‘/tmp/RtmpCSbZbZ/file3f721a56f9d0/clptheory.Rcheck’
─  using R version 4.2.3 (2023-03-15)
─  using platform: x86_64-pc-linux-gnu (64-bit)
─  using session charset: UTF-8
─  using options ‘--no-manual --ignore-vignettes --as-cran’
✔  checking for file ‘clptheory/DESCRIPTION’
─  this is package ‘clptheory’ version ‘0.0.0.9000’
─  package encoding: UTF-8
✔  checking package namespace information
✔  checking package dependencies (2.5s)
✔  checking if this is a source package ...
✔  checking if there is a namespace
✔  checking for executable files ...
✔  checking for hidden files and directories ...
✔  checking for portable file names
✔  checking for sufficient/correct file permissions
✔  checking serialization versions ...
✔  checking whether package ‘clptheory’ can be installed (7.1s)
✔  checking installed package size
✔  checking package directory ...
✔  checking for future file timestamps ...
✔  checking DESCRIPTION meta-information ...
✔  checking top-level files ...
✔  checking for left-over files
✔  checking index information
✔  checking package subdirectories ...
✔  checking R files for non-ASCII characters ...
✔  checking R files for syntax errors ...
✔  checking whether the package can be loaded (1.8s)
✔  checking whether the package can be loaded with stated dependencies
(1.6s)
✔  checking whether the package can be unloaded cleanly (1.6s)
✔  checking whether the namespace can be loaded with stated dependencies
(1.6s)
✔  checking whether the namespace can be unloaded cleanly (1.8s)
✔  checking loading without being on the library search path (1.8s)
✔  checking dependencies in R code (1.7s)
✔  checking S3 generic/method consistency (2.4s)
✔  checking replacement functions (1.7s)
✔  checking foreign function calls (1.7s)
✔  checking R code for possible problems (9.5s)
✔  checking Rd files ...
✔  checking Rd metadata ...
✔  checking Rd line widths ...
✔  checking Rd cross-references ...
✔  checking for missing documentation entries (1.7s)
✔  checking for code/documentation mismatches (5.1s)
✔  checking Rd \usage sections (2.5s)
✔  checking Rd contents ...
✔  checking for unstated dependencies in examples ...
✔  checking contents of ‘data’ directory ...
✔  checking data for non-ASCII characters (413ms)
✔  checking LazyData
✔  checking data for ASCII and uncompressed saves ...
─  checking files in ‘vignettes’ ... SKIPPED
✔  checking examples (4.9s)
✔  checking for non-standard things in the check directory
✔  checking for detritus in the temp directory


── R CMD check results
─────────────────────────────────────────────────────────── clptheory
0.0.0.9000 ────
Duration: 55.1s

0 errors ✔ | 0 warnings ✔ | 0 notes ✔

Below is the output form devtools:check()

devtools::check()
══ Documenting
═════════════════════════════════════════════════════════════════════════════════════════════
ℹ Updating clptheory documentation
ℹ Loading clptheory

══ Building
════════════════════════════════════════════════════════════════════════════════════════════════
Setting env vars:
• CFLAGS    : -Wall -pedantic -fdiagnostics-color=always
• CXXFLAGS  : -Wall -pedantic -fdiagnostics-color=always
• CXX11FLAGS: -Wall -pedantic -fdiagnostics-color=always
• CXX14FLAGS: -Wall -pedantic -fdiagnostics-color=always
• CXX17FLAGS: -Wall -pedantic -fdiagnostics-color=always
• CXX20FLAGS: -Wall -pedantic -fdiagnostics-color=always
── R CMD build
─────────────────────────────────────────────────────────────────────────────────────────────
✔  checking for file ‘/home/basu15/MyRProjects/clptheory/DESCRIPTION’ ...
─  preparing ‘clptheory’:
✔  checking DESCRIPTION meta-information ...
─  installing the package to build vignettes
✔  creating vignettes (9.9s)
─  checking for LF line-endings in source and make files and shell scripts
─  checking for empty or unneeded directories
─  building ‘clptheory_0.0.0.9000.tar.gz’

══ Checking
════════════════════════════════════════════════════════════════════════════════════════════════
Setting env vars:
• _R_CHECK_CRAN_INCOMING_USE_ASPELL_           : TRUE
• _R_CHECK_CRAN_INCOMING_REMOTE_               : FALSE
• _R_CHECK_CRAN_INCOMING_                      : FALSE
• _R_CHECK_FORCE_SUGGESTS_                     : FALSE
• _R_CHECK_PACKAGES_USED_IGNORE_UNUSED_IMPORTS_: FALSE
• NOT_CRAN                                     : true
── R CMD check
─────────────────────────────────────────────────────────────────────────────────────────────
─  using log directory ‘/tmp/RtmpCSbZbZ/file3f72577bb739/clptheory.Rcheck’
─  using R version 4.2.3 (2023-03-15)
─  using platform: x86_64-pc-linux-gnu (64-bit)
─  using session charset: UTF-8
─  using options ‘--no-manual --as-cran’
✔  checking for file ‘clptheory/DESCRIPTION’
─  this is package ‘clptheory’ version ‘0.0.0.9000’
─  package encoding: UTF-8
✔  checking package namespace information
✔  checking package dependencies (2.9s)
✔  checking if this is a source package ...
✔  checking if there is a namespace
✔  checking for executable files ...
✔  checking for hidden files and directories ...
✔  checking for portable file names
✔  checking for sufficient/correct file permissions
✔  checking serialization versions ...
✔  checking whether package ‘clptheory’ can be installed (7.6s)
✔  checking installed package size ...
✔  checking package directory
✔  checking for future file timestamps ...
✔  checking ‘build’ directory ...
✔  checking DESCRIPTION meta-information ...
✔  checking top-level files ...
✔  checking for left-over files
✔  checking index information ...
✔  checking package subdirectories ...
✔  checking R files for non-ASCII characters ...
✔  checking R files for syntax errors ...
✔  checking whether the package can be loaded (2s)
✔  checking whether the package can be loaded with stated dependencies
(1.8s)
✔  checking whether the package can be unloaded cleanly (1.7s)
✔  checking whether the namespace can be loaded with stated dependencies
(1.8s)
✔  checking whether the namespace can be unloaded cleanly (1.8s)
✔  checking loading without being on the library search path (1.8s)
✔  checking dependencies in R code (1.7s)
✔  checking S3 generic/method consistency (2.3s)
✔  checking replacement functions (1.6s)
✔  checking foreign function calls (1.7s)
✔  checking R code for possible problems (10s)
✔  checking Rd files (367ms)
✔  checking Rd metadata ...
✔  checking Rd line widths ...
✔  checking Rd cross-references ...
✔  checking for missing documentation entries (2.1s)
✔  checking for code/documentation mismatches (8.9s)
✔  checking Rd \usage sections (3.3s)
✔  checking Rd contents ...
✔  checking for unstated dependencies in examples ...
✔  checking contents of ‘data’ directory (335ms)
✔  checking data for non-ASCII characters (584ms)
✔  checking LazyData
✔  checking data for ASCII and uncompressed saves (535ms)
✔  checking installed files from ‘inst/doc’
✔  checking files in ‘vignettes’
✔  checking examples (6.9s)
✔  checking for unstated dependencies in vignettes ...
✔  checking package vignettes in ‘inst/doc’
E  checking re-building of vignette outputs (594ms)
    Error(s) in re-building vignettes:
      ...
    --- re-building ‘lvpp.Rmd’ using rmarkdown
    Quitting from lines 11-15 (lvpp.Rmd)
    Error: processing vignette 'lvpp.Rmd' failed with diagnostics:
    The function xfun::isFALSE() will be deprecated in the future. Please
consider using base::isFALSE(x) or identical(x, FALSE) instead.
    --- failed re-building ‘lvpp.Rmd’

    SUMMARY: processing the following file failed:
      ‘lvpp.Rmd’

    Error: Vignette re-building failed.
    Execution halted

✔  checking for non-standard things in the check directory
✔  checking for detritus in the temp directory

    See
      ‘/tmp/RtmpCSbZbZ/file3f72577bb739/clptheory.Rcheck/00check.log’
    for details.


── R CMD check results
─────────────────────────────────────────────────────────── clptheory
0.0.0.9000 ────
Duration: 1m 6.2s

❯ checking re-building of vignette outputs ... ERROR
   Error(s) in re-building vignettes:
     ...
   --- re-building ‘lvpp.Rmd’ using rmarkdown
   Quitting from lines 11-15 (lvpp.Rmd)
   Error: processing vignette 'lvpp.Rmd' failed with diagnostics:
   The function xfun::isFALSE() will be deprecated in the future. Please
consider using base::isFALSE(x) or identical(x, FALSE) instead.
   --- failed re-building ‘lvpp.Rmd’

   SUMMARY: processing the following file failed:
     ‘lvpp.Rmd’

   Error: Vignette re-building failed.
   Execution halted

1 error ✖ | 0 warnings ✔ | 0 notes ✔

My package is available here: https://github.com/dbasu-umass/clptheory

Any help will be appreciated. (I found a few pages like this
<https://github.com/r-lib/devtools/issues/2140> on this problem but the
issue does not seem to have been resolved).

Thank you.
DB



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