installation of package ‘RCurl’ had non-zero exit status

I am trying to install RCurl on OS X 10.12.6 but get the following error:

Error: package or namespace load failed for ‘RCurl’ in dyn.load(file, DLLpath = DLLpath, ...):
 unable to load shared object '/Users/nick/Library/R/3.4/library/RCurl/libs/':
  dlopen(/Users/nick/Library/R/3.4/library/RCurl/libs/, 6): Library not loaded: @rpath/libcurl.4.dylib
  Referenced from: /Users/nick/Library/R/3.4/library/RCurl/libs/
  Reason: image not found
Error: loading failed
Execution halted
ERROR: loading failed
* removing ‘/Users/nick/Library/R/3.4/library/RCurl’

The downloaded source packages are in
Warning message:
In install.packages("RCurl") :
  installation of package ‘RCurl’ had non-zero exit status

This error has been discussed a bit already, but the solutions are all specific to linux and I don't think they are relevant to OS X. I did try installing the homebrew version of curl but that didn't help.

Any ideas? I think that more debugging information would be helpful, but I'm not sure what else to provide.

Thanks in advance! Nick

Looks like it's expecting libcurl.4.dylib in your @rpath.

I think others have encountered the same issue so the solution should be in here somewhere:

  • brew unlink R solution
  • Install curl again

i figured out. i was all about the swap value.
there are several web pages that advice to decrease the default swap use in order to speed up ubuntu. what i did to fix the problem.

in the terminal...

#know the swap value    
cat /proc/sys/vm/swappiness
# access the swap configuration
gksudo leafpad /etc/sysctl.conf

# increase the swap usage to 30 (default is 60)

then, i rebooted. and installed the packages happily without any problems.

you can do it with pacakge roauth. i assume you have registered your app with twitter and have an api key. i pieced this together from other questions on (that question and associated answers also contains some links to other contributing questions) and the documentation for package roauth and twitter.


requesturl <- ""
accessurl = ""
authurl = ""
consumerkey = "myconsumerkeystring"
consumersecret = "myconsumersecretstring"
cred <- oauthfactory$new(consumerkey=consumerkey,
    #the next command provides a url which you will need to copy and paste into your favourite browser
    #assuming you are logged into twitter you will then be provided a pin number to type into the r command line
cred$handshake(cainfo = system.file("curlssl", "cacert.pem", package = "rcurl") )
    # checks that you are authorised

i believe that use of the streaming api is handled by the package streamr


you find the answer in your error message:

------------------------ anticonf error ---------------------------
configuration failed because libcurl was not found. try installing:
 * deb: libcurl4-openssl-dev (debian, ubuntu, etc)

copy and paste the following to your terminal and than try installing tidyverse again. should solve the problem.

# required for many packages
sudo apt-get install -y libxml2-dev libcurl4-openssl-dev libssl-dev

coming back to this issue i just wanted to point out that if you are still using rcurl, you should be using httr (which uses curl) instead.

i have confirmed that using config(cainfo="/topic/path/to/certificate") with httr connections will work as intended.

Tags: R Macos Rcurl