* installing to library ‘/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages’
* installing *source* package ‘psbcSpeedUp’ ...
** package ‘psbcSpeedUp’ successfully unpacked and MD5 sums checked
** using staged installation
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 the compiler supports GNU C++... yes
checking whether clang++-18 -std=gnu++17 accepts -g... yes
checking for clang++-18 -std=gnu++17 option to enable C++11 features... none needed
checking whether CXX supports -std=c++17... yes
checking for clang++-18 -std=gnu++17 option to support OpenMP... unsupported
configure: WARNING: No OpenMP support. If using GCC, upgrade to >= 4.2. If using clang, upgrade to >= 3.8.0

It seems OpenMP is unsupported on your system,
in order to enable parall execution of the C++ library
please install a more recent gcc if on Linux, or see
https://cran.r-project.org/bin/macosx/tools/ ,
https://cran.r-project.org/bin/windows/Rtools/

configure: creating ./config.status
config.status: creating src/Makevars
** libs
using C compiler: ‘Debian clang version 18.1.4 (1)’
using C++ compiler: ‘Debian clang version 18.1.4 (1)’
make[1]: Entering directory '/tmp/Rtmpv8XeuB/R.INSTALL20c673546affbc/psbcSpeedUp/src'
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic  -c RcppExports.cpp -o RcppExports.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic  -c drive.cpp -o drive.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic  -c global.cpp -o global.o
clang-18 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic -c init.c -o init.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic  -c psbc.cpp -o psbc.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic  -c pugixml.cpp -o pugixml.o
clang++-18 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-devel-clang/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/Rcpp/include' -I'/home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/RcppArmadillo/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O3 -Wall -pedantic  -c utils.cpp -o utils.o
clang++-18 -std=gnu++17 -shared -L/home/hornik/tmp/R.check/r-devel-clang/Work/build/lib -Wl,-O1 -o psbcSpeedUp.so RcppExports.o drive.o global.o init.o psbc.o pugixml.o utils.o -llapack -L/home/hornik/tmp/R.check/r-devel-clang/Work/build/lib -lRblas -L/usr/lib/llvm-18/lib -lFortran_main -lFortranRuntime -lFortranDecimal -lm -L/home/hornik/tmp/R.check/r-devel-clang/Work/build/lib -lR
make[1]: Leaving directory '/tmp/Rtmpv8XeuB/R.INSTALL20c673546affbc/psbcSpeedUp/src'
make[1]: Entering directory '/tmp/Rtmpv8XeuB/R.INSTALL20c673546affbc/psbcSpeedUp/src'
make[1]: Leaving directory '/tmp/Rtmpv8XeuB/R.INSTALL20c673546affbc/psbcSpeedUp/src'
installing to /home/hornik/tmp/R.check/r-devel-clang/Work/build/Packages/00LOCK-psbcSpeedUp/00new/psbcSpeedUp/libs
** R
** data
*** moving datasets to lazyload DB
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
*** copying figures
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (psbcSpeedUp)