Error(s) in re-building vignettes:
  ...
--- re-building ‘gamboostLSS_Tutorial.Rnw’ using Sweave
Loading required package: R2BayesX
Installing package into '/tmp/RtmpQcaGem/RLIBS_12720b7383c198'
(as 'lib' is unspecified)
also installing the dependency 'BayesXsrc'

trying URL 'http://cran.at.r-project.org/src/contrib/BayesXsrc_3.0-6.tar.gz'
trying URL 'http://cran.at.r-project.org/src/contrib/R2BayesX_1.1-6.tar.gz'
Warning: SystemRequirements specified C++14: support has been removed
* installing *source* package ‘BayesXsrc’ ...
** this is package ‘BayesXsrc’ version ‘3.0-6’
** package ‘BayesXsrc’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
make[1]: Entering directory '/tmp/RtmpdNEABQ/R.INSTALL1883315cb7210f/BayesXsrc/src'
`"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/bin/R" CMD config CXX14` `"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/bin/R" CMD config CXX14STD` -I"/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include" -DNDEBUG   -I/usr/local/include -Ibayesxsrc/. -I"bayesxsrc/bib"  -I"bayesxsrc/alex"  -I"bayesxsrc/adaptiv"  -I"bayesxsrc/andrea"  -I"bayesxsrc/dag"  -I"bayesxsrc/graph"  -I"bayesxsrc/mcmc"  -I"bayesxsrc/psplines"  -I"bayesxsrc/samson"  -I"bayesxsrc/leyre"  -I"bayesxsrc/structadd"  `gsl-config --cflags` -D__BUILDING_GNU -D__BUILDING_LINUX -DTEMPL_INCL_DEF -D_MSC_VER2 -DNO_TEMPLATE_FRIENDS -DINCLUDE_REML -DINCLUDE_MCMC -DBUILD_FOR_BAYESXSRC -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -pedantic -mtune=native   -c bayesxsrc/andrea/baseline.cpp -o bayesxsrc/andrea/baseline.o
'config' variable 'CXX14' is defunct
'config' variable 'CXX14STD' is defunct
/bin/bash: line 1: -I/home/hornik/tmp/R.check/r-devel-gcc/Work/build/include: No such file or directory
make[1]: *** [/home/hornik/tmp/R.check/r-devel-gcc/Work/build/etc/Makeconf:201: bayesxsrc/andrea/baseline.o] Error 127
make[1]: Leaving directory '/tmp/RtmpdNEABQ/R.INSTALL1883315cb7210f/BayesXsrc/src'
ERROR: compilation failed for package ‘BayesXsrc’
* removing ‘/tmp/RtmpQcaGem/RLIBS_12720b7383c198/BayesXsrc’
ERROR: dependencies ‘BayesXsrc’, ‘mgcv’ are not available for package ‘R2BayesX’
Perhaps try a variation of:
install.packages(c('BayesXsrc', 'mgcv'))
* removing ‘/tmp/RtmpQcaGem/RLIBS_12720b7383c198/R2BayesX’

The downloaded source packages are in
	'/tmp/RtmpBnYele/downloaded_packages'
Loading required package: gamboostLSS
Loading required package: mboost
Loading required package: parallel
Loading required package: stabs

Attaching package: 'gamboostLSS'

The following object is masked from 'package:stats':

    model.weights


Error: processing vignette 'gamboostLSS_Tutorial.Rnw' failed with diagnostics:
 chunk 11 (label = india_stunting1) 
Error in library("R2BayesX") : there is no package called 'R2BayesX'

--- failed re-building 'gamboostLSS_Tutorial.Rnw'

SUMMARY: processing the following file failed:
  'gamboostLSS_Tutorial.Rnw'

Error: Vignette re-building failed.
Execution halted