Hi I recently upgraded my R version from 3.5 to 4 and my knime version is 4.1.3. I start to have issue with Rserve. My current Rserve version is defaulted to packageVersion(“Rserve”) [1] ‘1.7.3.1’ I have searched the forum for solutions and tried the command install.packages(‘Rserve’,“ http://rforge.net/",type="source ”) Here is what I got Installing package into ‘/Users/xxx/Library/R/4.0/library’ (as ‘lib’ is unspecified) trying URL 'http://rforge.net/src/contrib/Rserve_1.8-6.tar.gz' Content type 'application/x-gzip' length 498657 bytes (486 KB) downloaded 486 KB * installing *source* package ‘Rserve’ ... ** using staged installation checking whether to compile the server... yes checking whether to compile the client... no checking for gcc... /usr/local/Cellar/gcc/8.3.0/bin/gcc-8 checking whether the C compiler works... no configure: error: in `/private/var/folders/tm/gsxql1_j2zz23kt4c858p2mj_jz7py/T/Rtmp7hBM6C/R.INSTALL1ca76c335c07/Rserve': configure: error: C compiler cannot create executables See `config.log' for more details ERROR: configuration failed for package ‘Rserve’ * removing ‘/Users/xxx/Library/R/4.0/library/Rserve’ * restoring previous ‘/Users/xxx/Library/R/4.0/library/Rserve’ Warning in install.packages : installation of package ‘Rserve’ had non-zero exit status The downloaded source packages are in ‘/private/var/folders/tm/gsxql1_j2zz23kt4c858p2mj_jz7py/T/Rtmp80cy0F/downloaded_packages’ Is there any other way to solve the issue? Thank you in advance!

I figured it out!!! so excited :） I had a makevar configuration in ~/.R/Makevars file set all gcc settings to 8.3.0 while my gcc has already been upgraded to 9.3. so the usr/local/Cellar/gcc directory only has 9.3.0_, not 8.3.0 any more. The Makevars file keeps telling R to compile with 8.3 which pointed to an non-exist directory. I updated the Makevars configuration and I can successfully install the package.

Rserve with R version 4.0

KNIME Extensions

mlauber71 June 9, 2020, 8:48pm 2

You can follow the instructions for installing R on Mac

https://docs.knime.com/2019-12/r_installation_guide/index.html

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