* installing *source* package ‘FKF.SP’ ...
** using staged installation
** libs
using C compiler: ‘Debian clang version 18.1.8 (11)’
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 fkf_SP.c -o fkf_SP.o
fkf_SP.c:169:30: error: call to undeclared function 'Calloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  169 | double *tmpmxSP = (double *) Calloc(m, double);
      |                              ^
fkf_SP.c:169:40: error: expected expression
  169 | double *tmpmxSP = (double *) Calloc(m, double);
      |                                        ^
fkf_SP.c:170:43: error: expected expression
  170 | double *tmpmxm = (double *) Calloc(m_x_m, double);
      |                                           ^
fkf_SP.c:637:34: error: use of undeclared identifier 'PI'
  637 | *loglik -= 0.5 * N_obs * log(2 * PI);
      |                                  ^
fkf_SP.c:883:30: error: call to undeclared function 'Calloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  883 | double *tmpmxSP = (double *) Calloc(m, double);
      |                              ^
fkf_SP.c:883:40: error: expected expression
  883 | double *tmpmxSP = (double *) Calloc(m, double);
      |                                        ^
fkf_SP.c:884:43: error: expected expression
  884 | double *tmpmxm = (double *) Calloc(m_x_m, double);
      |                                           ^
fkf_SP.c:1330:34: error: use of undeclared identifier 'PI'
 1330 | *loglik -= 0.5 * N_obs * log(2 * PI);
      |                                  ^
fkf_SP.c:1427:30: error: call to undeclared function 'Calloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
 1427 |         double *tmpmxm = (double *) Calloc(m_x_m, double);
      |                                     ^
fkf_SP.c:1427:44: error: expected expression
 1427 |         double *tmpmxm = (double *) Calloc(m_x_m, double);
      |                                                   ^
fkf_SP.c:1428:43: error: expected expression
 1428 |         double *tmpPt = (double *) Calloc(m_x_m, double);
      |                                                  ^
fkf_SP.c:1429:42: error: expected expression
 1429 |         double *tmpN = (double *) Calloc(m_x_m, double);
      |                                                 ^
fkf_SP.c:1430:38: error: expected expression
 1430 |         double *tmpr = (double *) Calloc(m, double);
      |                                             ^
fkf_SP.c:1445:38: error: expected expression
 1445 |         double *N = (double *) Calloc(m_x_m,double);
      |                                             ^
fkf_SP.c:1446:34: error: expected expression
 1446 |         double *r = (double *) Calloc(m,double);
      |                                         ^
fkf_SP.c:1447:39: error: expected expression
 1447 |         double *L = (double *) Calloc(m_x_m, double);
      |                                              ^
fkf_SP.c:1450:53: error: expected expression
 1450 |         double *identity_matrix = (double *) Calloc(m_x_m, double);
      |                                                            ^
fkf_SP.c:1888:30: error: call to undeclared function 'Calloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
 1888 | double *tmpmxSP = (double *) Calloc(m, double);
      |                              ^
fkf_SP.c:1888:40: error: expected expression
 1888 | double *tmpmxSP = (double *) Calloc(m, double);
      |                                        ^
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
make: *** [/home/hornik/tmp/R-d-clang-18/etc/Makeconf:195: fkf_SP.o] Error 1
ERROR: compilation failed for package ‘FKF.SP’
* removing ‘/srv/hornik/tmp/CRAN_pretest/FKF.SP.Rcheck/FKF.SP’