* installing *source* package ‘hann’ ...
** this is package ‘hann’ version ‘1.0’
** package ‘hann’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘clang version 20.1.8’
make[1]: Entering directory '/data/gannet/ripley/R/packages/tests-clang/hann/src'
clang-20 -std=gnu23 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG   -isystem /usr/local/clang20/include -I/usr/local/clang/include   -fopenmp -fpic  -O3 -Wall -pedantic -Wp,-D_FORTIFY_SOURCE=3  -c common_utils.c -o common_utils.o
clang-20 -std=gnu23 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG   -isystem /usr/local/clang20/include -I/usr/local/clang/include   -fopenmp -fpic  -O3 -Wall -pedantic -Wp,-D_FORTIFY_SOURCE=3  -c energy.c -o energy.o
clang-20 -std=gnu23 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG   -isystem /usr/local/clang20/include -I/usr/local/clang/include   -fopenmp -fpic  -O3 -Wall -pedantic -Wp,-D_FORTIFY_SOURCE=3  -c hann.c -o hann.o
clang-20 -std=gnu23 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG   -isystem /usr/local/clang20/include -I/usr/local/clang/include   -fopenmp -fpic  -O3 -Wall -pedantic -Wp,-D_FORTIFY_SOURCE=3  -c prototype_6.c -o prototype_6.o
clang-20 -std=gnu23 -I"/data/gannet/ripley/R/R-clang/include" -DNDEBUG   -isystem /usr/local/clang20/include -I/usr/local/clang/include   -fopenmp -fpic  -O3 -Wall -pedantic -Wp,-D_FORTIFY_SOURCE=3  -c prototype_7.c -o prototype_7.o
In file included from prototype_7.c:41:
/usr/local/clang20/lib/clang/20/include/omp.h:497:39: error: expected 'match', 'adjust_args', or 'append_args' clause on 'omp declare variant' directive
  497 |     #pragma omp begin declare variant match(device={kind(host)})
      |                                       ^
/data/gannet/ripley/R/R-clang/include/Rinternals.h:1018:17: note: expanded from macro 'match'
 1018 | #define match                   Rf_match
      |                                 ^
In file included from prototype_7.c:41:
/usr/local/clang20/lib/clang/20/include/omp.h:500:39: error: expected 'match', 'adjust_args', or 'append_args' clause on 'omp declare variant' directive
  500 |     #pragma omp begin declare variant match(device={kind(nohost)})
      |                                       ^
/data/gannet/ripley/R/R-clang/include/Rinternals.h:1018:17: note: expanded from macro 'match'
 1018 | #define match                   Rf_match
      |                                 ^
2 errors generated.
make[1]: *** [/data/gannet/ripley/R/R-clang/etc/Makeconf:202: prototype_7.o] Error 1
make[1]: Target 'all' not remade because of errors.
make[1]: Leaving directory '/data/gannet/ripley/R/packages/tests-clang/hann/src'
ERROR: compilation failed for package ‘hann’
* removing ‘/data/gannet/ripley/R/packages/tests-clang/hann.Rcheck/hann’