我正在尝试在Ubuntu上的R中安装Rcurl包，但是我收到此错误。任何人都知道我该怎么做才能正确安装这个软件包？我需要终端中的卷曲配置吗？
> install.packages("RCurl")
Installing package into ‘/home/marcin/R/i686-pc-linux-gnu-library/3.1’
(as ‘lib’ is unspecified)
próbowanie adresu URL 'http://cran.rstudio.com/src/contrib/RCurl_1.95-4.3.tar.gz'
Content type 'application/x-gzip' length 879143 bytes (858 Kb)
otwarty adres URL
==================================================
downloaded 858 Kb
* installing *source* package ‘RCurl’ ...
** pakiet ‘RCurl’ został pomyślnie rozpakowany oraz sumy MD5 zostały sprawdzone
checking for curl-config... no
Cannot find curl-config
ERROR: configuration failed for package ‘RCurl’
* removing ‘/home/marcin/R/i686-pc-linux-gnu-library/3.1/RCurl’
Warning in install.packages :
installation of package ‘RCurl’ had non-zero exit status
The downloaded source packages are in
‘/tmp/Rtmp5oxaeI/downloaded_packages’