How install R package "udunits2" in Ubuntu

Question

I'm trying to install the R package udunits2 on Ubuntu :

sudo su - -c "R -e \"install.packages('udunits2', repos='http://cran.rstudio.com/')\""

But I'm getting error :

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> install.packages('udunits2', repos='http://cran.rstudio.com/')
Installing package into ‘/usr/local/lib/R/site-library’
(as ‘lib’ is unspecified)
trying URL 'http://cran.rstudio.com/src/contrib/udunits2_0.13.tar.gz'
Content type 'application/x-gzip' length 67182 bytes (65 KB)
==================================================
downloaded 65 KB

* installing *source* package ‘udunits2’ ...
** package ‘udunits2’ successfully unpacked and MD5 sums checked
checking for gcc... gcc -std=gnu99
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables...
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether we are using the GNU C compiler... yes
checking whether gcc -std=gnu99 accepts -g... yes
checking for gcc -std=gnu99 option to accept ISO C89... none needed
checking for XML_ParserCreate in -lexpat... yes
checking how to run the C preprocessor... gcc -std=gnu99 -E
checking for grep that handles long lines and -e... /bin/grep
checking for egrep... /bin/grep -E
checking for ANSI C header files... yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking udunits2.h usability... yes
checking udunits2.h presence... yes
checking for udunits2.h... yes
checking for ut_read_xml in -ludunits2... yes
configure: creating ./config.status
config.status: creating src/Makevars
** libs
gcc -std=gnu99 -I/usr/share/R/include -DNDEBUG      -fpic  -g -O2 -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -g  -c udunits2_R.c -o udunits2_R.o
gcc -std=gnu99 -shared -L/usr/lib/R/lib -Wl,-Bsymbolic-functions -Wl,-z,relro -o udunits2.so udunits2_R.o -ludunits2 -lexpat -lexpat -ludunits2 -L/usr/lib/R/lib -lR
installing to /usr/local/lib/R/site-library/udunits2/libs
** R
** inst
** preparing package for lazy loading
** help
*** installing help indices
** building package indices
** testing if installed package can be loaded
Error: package or namespace load failed for ‘udunits2’ in dyn.load(file, DLLpath = DLLpath, ...):
 unable to load shared object '/usr/local/lib/R/site-library/udunits2/libs/udunits2.so':
  libudunits2.so.0: cannot open shared object file: No such file or directory
Error: loading failed
Execution halted
ERROR: loading failed
* removing ‘/usr/local/lib/R/site-library/udunits2’

The downloaded source packages are in
        ‘/tmp/Rtmp0X1Xn4/downloaded_packages’
Warning message:
In install.packages("udunits2", repos = "http://cran.rstudio.com/") :
  installation of package ‘udunits2’ had non-zero exit status

Any idea how should I proceed ?

Answer 1

Seems like you are missing the package libudunits2, which is required to install the R package udunits2. Try installing that first with the following command:

sudo apt-get install libudunits2-dev

Hope this helps.