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### Running command:
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###   /Library/Frameworks/R.framework/Versions/Current/Resources/bin/R CMD INSTALL bridge
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* installing to library ‘/Library/Frameworks/R.framework/Versions/4.1-arm64/Resources/library’
* installing *source* package ‘bridge’ ...
** using staged installation
** libs
clang -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/opt/R/arm64/include   -fPIC  -falign-functions=64 -Wall -g -O2  -c bridge2.affy.c -o bridge2.affy.o
bridge2.affy.c:37:7: warning: unused variable 'count_model' [-Wunused-variable]
  int count_model=0;
      ^
bridge2.affy.c:36:7: warning: unused variable 'old_model' [-Wunused-variable]
  int old_model;
      ^
bridge2.affy.c:302:3: error: implicit declaration of function 'dirichlet' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
  dirichlet(gamma, 2, w);
  ^
bridge2.affy.c:302:3: note: did you mean 'dirichlet2'?
bridge2.affy.c:10:6: note: 'dirichlet2' declared here
void dirichlet2(double *gamma, int n, double *w);
     ^
bridge2.affy.c:282:10: warning: unused variable 'w_new' [-Wunused-variable]
  double w_new[2];
         ^
3 warnings and 1 error generated.
make: *** [bridge2.affy.o] Error 1
ERROR: compilation failed for package ‘bridge’
* removing ‘/Library/Frameworks/R.framework/Versions/4.1-arm64/Resources/library/bridge’