* installing *source* package ‘seriation’ ...
** 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 RNG_wrapper.c -o RNG_wrapper.o
flang-new-18  -fpic  -g -O2 -c arsa.f -o arsa.o
flang-new-18  -fpic  -g -O2 -c bburcg.f -o bburcg.o
flang-new-18  -fpic  -g -O2 -c bbwrcg.f -o bbwrcg.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 criterion.c -o criterion.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 dist.c -o dist.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 nextperm.c -o nextperm.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 optimal.c -o optimal.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 pathdist.c -o pathdist.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 stress.c -o stress.o
stress.c:167:7: error: call to undeclared function 'Calloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  167 |   r = Calloc(nr, int);
      |       ^
stress.c:167:18: error: expected expression
  167 |   r = Calloc(nr, int);
      |                  ^
stress.c:168:18: error: expected expression
  168 |   c = Calloc(nc, int);
      |                  ^
stress.c:190:5: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  190 |     Free(r);
      |     ^
stress.c:190:5: note: did you mean 'free'?
/usr/include/stdlib.h:687:13: note: 'free' declared here
  687 | extern void free (void *__ptr) __THROW;
      |             ^
stress.c:194:3: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  194 |   Free(r);
      |   ^
stress.c:375:7: error: call to undeclared function 'Calloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  375 |   r = Calloc(nr, int);
      |       ^
stress.c:375:18: error: expected expression
  375 |   r = Calloc(nr, int);
      |                  ^
stress.c:376:18: error: expected expression
  376 |   c = Calloc(nc, int);
      |                  ^
stress.c:391:20: error: expected expression
  391 |     t = Calloc(nr, double);
      |                    ^
stress.c:402:7: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  402 |       Free(r);
      |       ^
stress.c:407:5: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  407 |     Free(t);
      |     ^
stress.c:413:20: error: expected expression
  413 |     t = Calloc(nc, double);
      |                    ^
stress.c:436:3: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  436 |   Free(r);
      |   ^
13 errors generated.
make: *** [/home/hornik/tmp/R-d-clang-18/etc/Makeconf:195: stress.o] Error 1
ERROR: compilation failed for package ‘seriation’
* removing ‘/srv/hornik/tmp/CRAN/seriation.Rcheck/seriation’