* installing to library ‘/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages’
* installing *source* package ‘Rmpi’ ...
** package ‘Rmpi’ successfully unpacked and MD5 sums checked
** using staged installation
checking for gcc... clang-19
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-19 accepts -g... yes
checking for clang-19 option to accept ISO C89... none needed
checking for pkg-config... /usr/bin/pkg-config
checking if pkg-config knows about OpenMPI... yes
checking for orted... no
configure: error: Cannot find orted. Rmpi needs orted to run.
ERROR: configuration failed for package ‘Rmpi’
* removing ‘/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rmpi’