Error using packrat and Travis CI

[christoph...@gmail.com]

Hi, I am using packrat for an app written in R and I have difficulties running it in my Travis CI virtual machine. Here is my packrat.lock file dans my .travis.yml file.

I put my Travis CI log into travis.log

Looks like Travis CI can't compile properly Rcpp :

Error: Command failed (1)

Failed to run system command:

'/home/travis/R-bin/lib/R/bin/R' --vanilla CMD INSTALL '/tmp/Rtmp3XVHlj/Rcpp' --library='/home/travis/build/cdash04/vitrine-parlementaire/packrat/lib/x86_64-pc-linux-gnu/3.5.2' --install-tests --no-docs --no-multiarch --no-demo

The command failed with output:

* installing *source* package 'Rcpp' ...

** package 'Rcpp' successfully unpacked and MD5 sums checked

** libs

g++ -I"/home/travis/R-bin/lib/R/include" -DNDEBUG -I../inst/include/ -I/home/travis/R-bin/include -fpic -g -O2 -c Date.cpp -o Date.o

In file included from ../inst/include/Rcpp.h:79:0,

from Date.cpp:31:

../inst/include/Rcpp/Rmath.h: In function 'double R::pythag(double, double)':

../inst/include/Rcpp/Rmath.h:222:55: error: '::Rf_pythag' has not been declared

inline double pythag(double a, double b) { return ::Rf_pythag(a, b); }

^

make: *** [Date.o] Error 1

ERROR: compilation failed

In addition: Warning message:

In packrat::restore(prompt = FALSE, restart = FALSE) :

The most recent snapshot was generated using R version 3.3.2

Execution halted

The command "R -e "0" --args --bootstrap-packrat" failed and exited with 1 during .

I tried multiple compiler to be sure and still doesn't work.

Do you have any idea ?

[Kevin Ushey]

It looks like the version of Rcpp that you're attempting to install is not compatible with the version of R you're using. I'm not sure how you might've gotten into this state, but I would recommend updating Rcpp.

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