* installing *source* package ‘NMF’ ...
** using staged installation
** libs
using C compiler: ‘Debian clang version 18.1.8 (9)’
using C++ compiler: ‘Debian clang version 18.1.8 (9)’
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-18/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -DSTRICT_R_HEADERS=1  -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c distance.cpp -o distance.o
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-18/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -DSTRICT_R_HEADERS=1  -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c divergence.cpp -o divergence.o
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-18/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -DSTRICT_R_HEADERS=1  -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c euclidean.cpp -o euclidean.o
clang-18  -I"/home/hornik/tmp/R-d-clang-18/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -DSTRICT_R_HEADERS=1  -fpic  -g -O3 -Wall -pedantic -c registerDynamicSymbol.c -o registerDynamicSymbol.o
clang++-18  -std=gnu++17 -I"/home/hornik/tmp/R-d-clang-18/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -DSTRICT_R_HEADERS=1  -fpic  -g -O3 -Wall -pedantic -DR_NO_REMAP -c utils.cpp -o utils.o
utils.cpp:48:16: error: use of undeclared identifier 'allocVector'; did you mean 'Rf_allocVector'?
   48 |         PROTECT(ans = allocVector(STRSXP, 1));
      |                       ^~~~~~~~~~~
      |                       Rf_allocVector
/home/hornik/tmp/R-d-clang-18/include/Rinternals.h:385:31: note: expanded from macro 'PROTECT'
  385 | #define PROTECT(s)      Rf_protect(s)
      |                                    ^
/home/hornik/tmp/R-d-clang-18/include/Rinternals.h:1075:10: note: 'Rf_allocVector' declared here
 1075 | SEXP     Rf_allocVector(SEXPTYPE, R_xlen_t);
      |          ^
utils.cpp:50:25: error: use of undeclared identifier 'mkChar'
   50 |         SET_STRING_ELT(ans, 0, mkChar(tmp));
      |                                ^
utils.cpp:218:7: error: use of undeclared identifier 'isNumeric'; did you mean 'Rf_isNumeric'?
  218 |         if (!isNumeric(x))
      |              ^~~~~~~~~
      |              Rf_isNumeric
/home/hornik/tmp/R-d-clang-18/include/Rinternals.h:1090:10: note: 'Rf_isNumeric' declared here
 1090 | Rboolean Rf_isNumeric(SEXP);
      |          ^
utils.cpp:227:17: error: use of undeclared identifier 'allocVector'; did you mean 'Rf_allocVector'?
  227 |                 PROTECT(ans = allocVector(REALSXP, p));
      |                               ^~~~~~~~~~~
      |                               Rf_allocVector
/home/hornik/tmp/R-d-clang-18/include/Rinternals.h:385:31: note: expanded from macro 'PROTECT'
  385 | #define PROTECT(s)      Rf_protect(s)
      |                                    ^
/home/hornik/tmp/R-d-clang-18/include/Rinternals.h:1075:10: note: 'Rf_allocVector' declared here
 1075 | SEXP     Rf_allocVector(SEXPTYPE, R_xlen_t);
      |          ^
utils.cpp:233:17: error: use of undeclared identifier 'allocVector'; did you mean 'Rf_allocVector'?
  233 |                 PROTECT(ans = allocVector(INTSXP, p));
      |                               ^~~~~~~~~~~
      |                               Rf_allocVector
/home/hornik/tmp/R-d-clang-18/include/Rinternals.h:385:31: note: expanded from macro 'PROTECT'
  385 | #define PROTECT(s)      Rf_protect(s)
      |                                    ^
/home/hornik/tmp/R-d-clang-18/include/Rinternals.h:1075:10: note: 'Rf_allocVector' declared here
 1075 | SEXP     Rf_allocVector(SEXPTYPE, R_xlen_t);
      |          ^
utils.cpp:253:7: error: use of undeclared identifier 'isNumeric'; did you mean 'Rf_isNumeric'?
  253 |         if (!isNumeric(x))
      |              ^~~~~~~~~
      |              Rf_isNumeric
/home/hornik/tmp/R-d-clang-18/include/Rinternals.h:1090:10: note: 'Rf_isNumeric' declared here
 1090 | Rboolean Rf_isNumeric(SEXP);
      |          ^
utils.cpp:262:17: error: use of undeclared identifier 'allocVector'; did you mean 'Rf_allocVector'?
  262 |                 PROTECT(ans = allocVector(REALSXP, p));
      |                               ^~~~~~~~~~~
      |                               Rf_allocVector
/home/hornik/tmp/R-d-clang-18/include/Rinternals.h:385:31: note: expanded from macro 'PROTECT'
  385 | #define PROTECT(s)      Rf_protect(s)
      |                                    ^
/home/hornik/tmp/R-d-clang-18/include/Rinternals.h:1075:10: note: 'Rf_allocVector' declared here
 1075 | SEXP     Rf_allocVector(SEXPTYPE, R_xlen_t);
      |          ^
utils.cpp:268:17: error: use of undeclared identifier 'allocVector'; did you mean 'Rf_allocVector'?
  268 |                 PROTECT(ans = allocVector(INTSXP, p));
      |                               ^~~~~~~~~~~
      |                               Rf_allocVector
/home/hornik/tmp/R-d-clang-18/include/Rinternals.h:385:31: note: expanded from macro 'PROTECT'
  385 | #define PROTECT(s)      Rf_protect(s)
      |                                    ^
/home/hornik/tmp/R-d-clang-18/include/Rinternals.h:1075:10: note: 'Rf_allocVector' declared here
 1075 | SEXP     Rf_allocVector(SEXPTYPE, R_xlen_t);
      |          ^
8 errors generated.
make: *** [/home/hornik/tmp/R-d-clang-18/etc/Makeconf:202: utils.o] Error 1
ERROR: compilation failed for package ‘NMF’
* removing ‘/srv/hornik/tmp/CRAN/NMF.Rcheck/NMF’