* installing *source* package ‘mcrPioda’ ...
** using staged installation
checking for gcc... clang-18
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether clang-18 accepts -g... yes
checking for clang-18 option to enable C11 features... none needed
checking whether the compiler supports GNU Fortran... no
checking whether flang-new-18 accepts -g... yes
checking for gsl-config... /usr/bin/gsl-config
checking if GSL version >= 2.2... yes
configure: creating ./config.status
config.status: creating src/Makevars
** 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/include  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -DSTRICT_R_HEADERS=1  -fpic  -g -O3 -Wall -pedantic -c PaBaAlgorithm.c -o PaBaAlgorithm.o
clang-18  -I"/home/hornik/tmp/R-d-clang-18/include" -DNDEBUG -I/usr/include  -I/usr/local/include -DUSE_TYPE_CHECKING_STRICT -D_FORTIFY_SOURCE=3 -DSTRICT_R_HEADERS=1  -fpic  -g -O3 -Wall -pedantic -c calcRegression.c -o calcRegression.o
calcRegression.c:188:17: error: call to undeclared function 'Calloc'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  188 |                 double *ans = Calloc(N*(N-1)/2, double);                                  /* (n(n-1)/2) x 1  */
      |                               ^
calcRegression.c:188:35: error: expected expression
  188 |                 double *ans = Calloc(N*(N-1)/2, double);                                  /* (n(n-1)/2) x 1  */
      |                                                 ^
calcRegression.c:272:3: error: call to undeclared function 'Free'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
  272 |                 Free(ans);
      |                 ^
calcRegression.c:272:3: note: did you mean 'free'?
/usr/include/stdlib.h:687:13: note: 'free' declared here
  687 | extern void free (void *__ptr) __THROW;
      |             ^
calcRegression.c:277:39: error: expected expression
  277 |                 double *mcres_intercept = Calloc(N, double);
      |                                                     ^
4 errors generated.
make: *** [/home/hornik/tmp/R-d-clang-18/etc/Makeconf:195: calcRegression.o] Error 1
ERROR: compilation failed for package ‘mcrPioda’
* removing ‘/srv/hornik/tmp/CRAN/mcrPioda.Rcheck/mcrPioda’