* installing *source* package ‘microbenchmark’ ...
** this is package ‘microbenchmark’ version ‘1.5.0’
** package ‘microbenchmark’ successfully unpacked and MD5 sums checked
** using staged installation
checking for gcc... /usr/local/clang20/bin/clang -std=gnu23
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 /usr/local/clang20/bin/clang -std=gnu23 accepts -g... yes
checking for /usr/local/clang20/bin/clang -std=gnu23 option to enable C11 features... -std=gnu11
checking for stdio.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for strings.h... yes
checking for sys/stat.h... yes
checking for sys/types.h... yes
checking for unistd.h... yes
checking for stdint.h... (cached) yes
checking for stdlib.h... (cached) yes
checking for sys/time.h... yes
checking for uint64_t... yes
checking for error_at_line... yes
checking for mach_absolute_time... no
checking for library containing clock_gettime... none required
checking for best clockid_t to use with clock_gettime... CLOCK_MONOTONIC_RAW
configure: creating ./config.status
config.status: creating src/Makevars
config.status: creating src/config.h
** libs
using C compiler: ‘clang version 20.1.0-rc2’
make[1]: Entering directory '/data/gannet/ripley/R/packages/tests-clang/microbenchmark/src'
/usr/local/clang20/bin/clang -std=gnu23 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG -D_POSIX_C_SOURCE=200112L -DHAVE_CONFIG_H  -isystem /usr/local/clang20/include -I/usr/local/clang/include    -fpic  -O3 -Wall -pedantic -Wp,-D_FORTIFY_SOURCE=3  -c do_nothing.c -o do_nothing.o
/usr/local/clang20/bin/clang -std=gnu23 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG -D_POSIX_C_SOURCE=200112L -DHAVE_CONFIG_H  -isystem /usr/local/clang20/include -I/usr/local/clang/include    -fpic  -O3 -Wall -pedantic -Wp,-D_FORTIFY_SOURCE=3  -c init.c -o init.o
/usr/local/clang20/bin/clang -std=gnu23 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG -D_POSIX_C_SOURCE=200112L -DHAVE_CONFIG_H  -isystem /usr/local/clang20/include -I/usr/local/clang/include    -fpic  -O3 -Wall -pedantic -Wp,-D_FORTIFY_SOURCE=3  -c nanotimer.c -o nanotimer.o
/usr/local/clang20/bin/clang -std=gnu23 -shared -L/usr/local/clang/lib64 -L/usr/local/clang20/lib -L/usr/local/clang20/lib/x86_64-unknown-linux-gnu -L/usr/local/lib64 -o microbenchmark.so do_nothing.o init.o nanotimer.o
make[1]: Leaving directory '/data/gannet/ripley/R/packages/tests-clang/microbenchmark/src'
make[1]: Entering directory '/data/gannet/ripley/R/packages/tests-clang/microbenchmark/src'
make[1]: Leaving directory '/data/gannet/ripley/R/packages/tests-clang/microbenchmark/src'
installing to /data/gannet/ripley/R/packages/tests-clang/microbenchmark.Rcheck/00LOCK-microbenchmark/00new/microbenchmark/libs
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** building package indices
** 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 (microbenchmark)