Zbyněk Šlajchrt

The reported error is caused by a dplyr native function accessing directly an internal structure instead of using the appropriate API function. Fortunatelly, the latest GitHub version of dplyr (0.7.99.9000)...

I managed to install `dplyr` from GH as follows: ``` options(repos="https://cran.r-project.org/") devtools::install_github("tidyverse/dplyr") ``` To install the version I played with, use this: ``` options(repos="https://cran.r-project.org/") devtools::install_github("tidyverse/dplyr", "3724a0cb48450a4c587c9932d3f972542242a1fc") ```

Could you please attach the following log files? /Users/davec/projects/fastr/fastr/libdownloads/R-3.6.1/config.log /Users/davec/projects/fastr/fastr/libdownloads/R-3.6.1/gnur_make.log

It seems you have no Fortran installed: "configure:7472: error: No Fortran compiler found" You can use gfortran and install it using the brew command. As gfortran is part of gcc,...

Thanks for identifying the issue. I verified the wrong pattern was the crux of the problem.

FastR is built with that by default. The "-g" option should be part of the compilation command lines in the console log.

Hi, the problem you are describing is caused by the communication between Java and the native code of the purrr package. The native interface is a serious bottleneck, but good...

Sorry for some delay, the dockerfile became stale as the new version of R was adopted and it had to undergo a substantial change. You can use the attached dockerfile...

Great!