* guix/build/make-bootstrap.scm (copy-linux-headers): Remove header
file 'a.out.h' is no longer part of the linux kernel headers.

* gnu/packages/emacs-xyz.scm (emacs-flycheck-cpplint)[inputs]: Add cpplint.
[arguments]: Add a set-cpplint-path phase to set the path of cpplint.

* gnu/packages/cpp.scm (cpplint): New variable.

* gnu/packages/audio.scm (fluidsynth): Update to 2.0.9.

* gnu/packages/perl.scm (perl-type-tiny): Update to 1.006000.

* gnu/packages/package-management.scm (msitools): Update to 0.100.

* gnu/packages/mail.scm (perl-mail-dkim): Update to 0.58.

* gnu/packages/mes.scm (m2-planet): New variable.

* gnu/packages/emacs-xyz.scm (emacs-helm-fish-completion): New variable.

* gnu/packages/bioinformatics.scm (r-gprofiler): Update to 0.7.0.

* gnu/packages/statistics.scm (r-hexbin): Update to 1.28.0.

* gnu/packages/statistics.scm (r-r-oo): Update to 1.23.0.

* gnu/packages/statistics.scm (r-glmnet): Update to 3.0.
[inputs]: Move gfortran from here...
[native-inputs]: ...to here.
[propagated-inputs]: Add r-shape.

* gnu/packages/statistics.scm (r-dt): Update to 0.10.

* gnu/packages/statistics.scm (r-rmarkdown): Update to 1.17.

* gnu/packages/statistics.scm (r-hms): Update to 0.5.2.

* gnu/packages/statistics.scm (r-roxygen2): Update to 7.0.0.
[propagated-inputs]: Add r-rlang.

* gnu/packages/statistics.scm (r-r6): Update to 2.4.1.

* gnu/packages/statistics.scm (r-testthat): Update to 2.3.0.
[propagated-inputs]: Add r-ellipsis and r-pkgload.

* gnu/packages/statistics.scm (r-knitr): Update to 1.26.

* gnu/packages/statistics.scm (r-survival): Update to 3.1-7.

* gnu/packages/cran.scm (r-farver): Update to 2.0.1.
[propagated-inputs]: Remove r-rcpp.

* gnu/packages/cran.scm (r-ggeffects): Update to 0.13.0.
[propagated-inputs]: Remove r-scales.

* gnu/packages/cran.scm (r-learnr): Update to 0.10.0.
[propagated-inputs]: Add r-checkmate, r-ellipsis, and r-renv.

* gnu/packages/cran.scm (r-ggfortify): Update to 0.4.8.

* gnu/packages/cran.scm (r-kernlab): Update to 0.9-29.

* gnu/packages/cran.scm (r-bookdown): Update to 0.15.

* gnu/packages/cran.scm (r-future): Update to 1.15.0.

* gnu/packages/cran.scm (r-rbamtools): Update to 2.16.17.

* gnu/packages/cran.scm (r-fields): Update to 10.0.

* gnu/packages/cran.scm (r-spam): Update to 2.4-0.

* gnu/packages/cran.scm (r-rcppannoy): Update to 0.0.14.

* gnu/packages/cran.scm (r-rvcheck): Update to 0.1.6.

* gnu/packages/cran.scm (r-rootsolve): Update to 1.8.1.

* gnu/packages/cran.scm (r-flextable): Update to 0.5.6.

* gnu/packages/cran.scm (r-officer): Update to 0.3.6.

* gnu/packages/cran.scm (r-rjags): Update to 4-10.

* gnu/packages/cran.scm (r-ggpubr): Update to 0.2.4.

* gnu/packages/cran.scm (r-openxlsx): Update to 4.1.3.
[propagated-inputs]: Add r-rlang and r-stringi.

* gnu/packages/cran.scm (r-tinytex): Update to 0.17.