* installing *source* package ‘rrcov’ ...
** using staged installation
** libs
using C compiler: ‘Debian clang version 18.1.8 (9)’
using Fortran compiler: ‘Debian flang-new version 18.1.8 (9)’
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 R-rng4ftn.c -o R-rng4ftn.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 covOPW.c -o covOPW.o
flang-new-18  -fpic  -g -O2 -c ds11.f -o ds11.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 fast-mve.c -o fast-mve.o
flang-new-18  -fpic  -g -O2 -c fsada.f -o fsada.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 rrcov_init.c -o rrcov_init.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 sest.c -o sest.o
sest.c:406:30: error: call to undeclared function 'Calloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  406 |     double *mu_1 = (double *)Calloc(p, double);
      |                              ^
sest.c:406:40: error: expected expression
  406 |     double *mu_1 = (double *)Calloc(p, double);
      |                                        ^
sest.c:460:5: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  460 |     Free(mu_1);
      |     ^
sest.c:460:5: note: did you mean 'free'?
/usr/include/stdlib.h:687:13: note: 'free' declared here
  687 | extern void free (void *__ptr) __THROW;
      |             ^
sest.c:575:22: error: call to undeclared function 'Calloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  575 |     int *id = (int *)Calloc(n, int);
      |                      ^
sest.c:575:32: error: expected expression
  575 |     int *id = (int *)Calloc(n, int);
      |                                ^
sest.c:580:5: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  580 |     Free(id);
      |     ^
sest.c:708:31: error: call to undeclared function 'Calloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  708 |     double **a  = (double **) Calloc(n, double *);              
      |                               ^
sest.c:708:41: error: expected expression
  708 |     double **a  = (double **) Calloc(n, double *);              
      |                                         ^
sest.c:710:30: error: expected expression
  710 |         a[i] = (double *) Calloc(p, double);
      |                                     ^
sest.c:719:2: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  719 |         Free(a[i]);
      |         ^
sest.c:761:29: error: call to undeclared function 'Calloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  761 |     double *vec = (double *)Calloc(n, double);
      |                             ^
sest.c:761:39: error: expected expression
  761 |     double *vec = (double *)Calloc(n, double);
      |                                       ^
sest.c:766:5: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  766 |     Free(vec);
      |     ^
13 errors generated.
make: *** [/home/hornik/tmp/R-d-clang-18/etc/Makeconf:195: sest.o] Error 1
ERROR: compilation failed for package ‘rrcov’
* removing ‘/srv/hornik/tmp/CRAN/rrcov.Rcheck/rrcov’