* installing *source* package ‘fastcmprsk’ ...
** using staged installation
** libs
using C compiler: ‘Debian clang version 19.1.2 (1)’
clang-19  -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -DSTRICT_R_HEADERS=1  -fpic  -g -O3 -Wall -pedantic -c denseElastic.c -o denseElastic.o
clang-19  -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -DSTRICT_R_HEADERS=1  -fpic  -g -O3 -Wall -pedantic -c denseFit.c -o denseFit.o
clang-19  -I"/home/hornik/tmp/R-d-clang-19/include" -DNDEBUG   -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -DSTRICT_R_HEADERS=1  -fpic  -g -O3 -Wall -pedantic -c denseGroupPen.c -o denseGroupPen.o
denseGroupPen.c:224:21: error: call to undeclared function 'Calloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  224 |         double *z = Calloc(K, double);
      |                     ^
denseGroupPen.c:224:31: error: expected expression
  224 |         double *z = Calloc(K, double);
      |                               ^
denseGroupPen.c:225:31: error: expected expression
  225 |         double *v = Calloc(K, double);
      |                               ^
denseGroupPen.c:252:9: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  252 |         Free(z);
      |         ^
denseGroupPen.c:252:9: note: did you mean 'free'?
/usr/include/stdlib.h:687:13: note: 'free' declared here
  687 | extern void free (void *__ptr) __THROW;
      |             ^
4 errors generated.
make: *** [/home/hornik/tmp/R-d-clang-19/etc/Makeconf:195: denseGroupPen.o] Error 1
ERROR: compilation failed for package ‘fastcmprsk’
* removing ‘/srv/hornik/tmp/CRAN_pretest/fastcmprsk.Rcheck/fastcmprsk’