[R] Rmpi fails to install

[Yufei Zhao]

Hello!

I try to install Rmpi with install.packages(“Rmpi”), but it fails:

> install.packages("Rmpi")
Package which is only available in source form, and may need compilation of C/C++/Fortran: ‘Rmpi’
Do you want to attempt to install these from sources? (Yes/no/cancel) yes
installing the source package ‘Rmpi’

trying URL 'https://cran.rstudio.com/src/contrib/Rmpi_0.6-7.tar.gz'
Content type 'application/x-gzip' length 106869 bytes (104 KB)
==================================================
downloaded 104 KB

* installing *source* package ‘Rmpi’ ...
** package ‘Rmpi’ successfully unpacked and MD5 sums checked
checking for gcc... clang
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 clang accepts -g... yes
checking for clang option to accept ISO C89... none needed
checking for pkg-config... no
checking how to run the C preprocessor... clang -E
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for ANSI C header files... rm: conftest.dSYM: is a directory
rm: conftest.dSYM: is a directory
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 mpi.h usability... no
checking mpi.h presence... no
checking for mpi.h... no
configure: error: "Cannot find mpi.h header file"
ERROR: configuration failed for package ‘Rmpi’
* removing ‘/Library/Frameworks/R.framework/Versions/3.5/Resources/library/Rmpi’
Warning in install.packages :
  installation of package ‘Rmpi’ had non-zero exit status

The downloaded source packages are in
	‘/private/var/folders/wd/5x8p9n_j1kx7sqqv2hk23vvm0000gs/T/RtmpKZ1waO/downloaded_packages’


The systems is MacOS High Sierra 10.13.3.

Thanks in advance!

Best,
Yufei