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### Running command:
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###   /Library/Frameworks/R.framework/Resources/bin/R CMD build --keep-empty-dirs --no-resave-data chromstaR
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* checking for file ‘chromstaR/DESCRIPTION’ ... OK
* preparing ‘chromstaR’:
* checking DESCRIPTION meta-information ... OK
* cleaning src
* installing the package to build vignettes
      -----------------------------------
* installing *source* package ‘chromstaR’ ...
** using staged installation
** libs
using C++ compiler: ‘Apple clang version 15.0.0 (clang-1500.1.0.2.5)’
using SDK: ‘MacOSX11.3.sdk’
clang++ -arch arm64 -std=gnu++17 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/opt/R/arm64/include    -fPIC  -falign-functions=64 -Wall -g -O2  -DR_NO_REMAP -c R_interface.cpp -o R_interface.o
clang++ -arch arm64 -std=gnu++17 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/opt/R/arm64/include    -fPIC  -falign-functions=64 -Wall -g -O2  -DR_NO_REMAP -c densities.cpp -o densities.o
densities.cpp:25:58: error: expected '(' for function-style cast or type construction
                this->lxfactorials = (double*) Calloc(max_obs+1, double);
                                                                 ~~~~~~^
densities.cpp:40:3: error: use of undeclared identifier 'Free'; did you mean 'free'?
                Free(this->lxfactorials);
                ^~~~
                free
/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk/usr/include/malloc/_malloc.h:42:7: note: 'free' declared here
void     free(void *);
         ^
densities.cpp:347:58: error: expected '(' for function-style cast or type construction
                this->lxfactorials = (double*) Calloc(max_obs+1, double);
                                                                 ~~~~~~^
densities.cpp:362:3: error: use of undeclared identifier 'Free'; did you mean 'free'?
                Free(this->lxfactorials);
                ^~~~
                free
/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk/usr/include/malloc/_malloc.h:42:7: note: 'free' declared here
void     free(void *);
         ^
densities.cpp:881:49: error: expected '(' for function-style cast or type construction
        double* z = (double*) Calloc(this->Nmod, double);
                                                 ~~~~~~^
densities.cpp:976:2: error: use of undeclared identifier 'Free'; did you mean 'free'?
        Free(z);
        ^~~~
        free
/Library/Developer/CommandLineTools/SDKs/MacOSX11.sdk/usr/include/malloc/_malloc.h:42:7: note: 'free' declared here
void     free(void *);
         ^
6 errors generated.
make: *** [densities.o] Error 1
ERROR: compilation failed for package ‘chromstaR’
* removing ‘/private/var/folders/r0/l4fjk6cj5xj0j3brt4bplpl40000gt/T/RtmpMmAW12/Rinste67c46dd361b/chromstaR’
      -----------------------------------
ERROR: package installation failed