* installing *source* package ‘spatstat.Knet’ ...
** package ‘spatstat.Knet’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘Debian clang 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 Knet.c -o Knet.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 KnetInhom.c -o KnetInhom.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 init.c -o 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 netbase.c -o netbase.o
netbase.c:117:5: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  117 |     Free(cr);
      |     ^
netbase.c:117:5: note: did you mean 'free'?
/usr/include/stdlib.h:687:13: note: 'free' declared here
  687 | extern void free (void *__ptr) __THROW;
      |             ^
netbase.c:132:5: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  132 |     Free(element);
      |     ^
netbase.c:150:3: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  150 |   Free(id);
      |   ^
netbase.c:260:31: error: call to undeclared function 'Calloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  260 |     new_element = (ListElmt *)Calloc(1,ListElmt);
      |                               ^
netbase.c:260:40: error: unexpected type name 'ListElmt': expected expression
  260 |     new_element = (ListElmt *)Calloc(1,ListElmt);
      |                                        ^
netbase.c:352:31: error: call to undeclared function 'Calloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  352 |     if ((adjlist = (AdjList *)Calloc(1,AdjList)) == NULL)
      |                               ^
netbase.c:352:40: error: unexpected type name 'AdjList': expected expression
  352 |     if ((adjlist = (AdjList *)Calloc(1,AdjList)) == NULL)
      |                                        ^
netbase.c:589:5: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  589 |     Free(adjlist);
      |     ^
netbase.c:675:13: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  675 |             Free(adjlist);
      |             ^
netbase.c:768:5: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  768 |     Free(old_element);
      |     ^
netbase.c:923:14: error: call to undeclared function 'Calloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  923 | node->data = Calloc(1,int); /*if(node->data == NULL){Rprintf("malloc is not working !!");return -1;}*/ /** allocate space to store vertex id **/
      |              ^
netbase.c:923:23: error: expected expression
  923 | node->data = Calloc(1,int); /*if(node->data == NULL){Rprintf("malloc is not working !!");return -1;}*/ /** allocate space to store vertex id **/
      |                       ^
netbase.c:932:25: error: expected expression
  932 | brk_pt->data = Calloc(1,int); /*if(brk_pt->data == NULL){Rprintf("malloc is not working !!");return -1;}*/
      |                         ^
13 errors generated.
make: *** [/home/hornik/tmp/R-d-clang-18/etc/Makeconf:195: netbase.o] Error 1
ERROR: compilation failed for package ‘spatstat.Knet’
* removing ‘/srv/hornik/tmp/CRAN_pretest/spatstat.Knet.Rcheck/spatstat.Knet’