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### Running command:
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###   /home/biocbuild/R/R/bin/R CMD build --keep-empty-dirs --no-resave-data eiR
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* checking for file ‘eiR/DESCRIPTION’ ... OK
* preparing ‘eiR’:
* checking DESCRIPTION meta-information ... OK
* cleaning src
* installing the package to build vignettes
      -----------------------------------
* installing *source* package ‘eiR’ ...
** using staged installation
** libs
using C++ compiler: ‘aarch64-unknown-linux-gnu-g++ (GCC) 14.2.0’
/opt/ohpc/pub/compiler/gcc/14.2.0/bin/aarch64-unknown-linux-gnu-g++ -std=gnu++17 -I"/home/biocbuild/R/R/include" -DNDEBUG   -I/usr/local/include    -fPIC  -g -O2  -Wall -Werror=format-security -DR_NO_REMAP -c optimFunctions.cc -o optimFunctions.o
optimFunctions.cc: In function ‘SEXPREC* calcF(SEXP, SEXP, SEXP)’:
optimFunctions.cc:40:17: error: ‘length’ was not declared in this scope
   40 |         int k = length(xS); //length of result vector
      |                 ^~~~~~
In file included from optimFunctions.cc:2:
optimFunctions.cc:91:31: error: ‘allocVector’ was not declared in this scope; did you mean ‘Rf_allocVector’?
   91 |         SEXP result = PROTECT(allocVector(REALSXP, 1));
      |                               ^~~~~~~~~~~
/home/biocbuild/R/R/include/Rinternals.h:388:36: note: in definition of macro ‘PROTECT’
  388 | #define PROTECT(s)      Rf_protect(s)
      |                                    ^
optimFunctions.cc: In function ‘SEXPREC* calcG(SEXP, SEXP, SEXP)’:
optimFunctions.cc:99:17: error: ‘length’ was not declared in this scope
   99 |         int k = length(xS); //length of result vector
      |                 ^~~~~~
optimFunctions.cc:102:31: error: ‘allocVector’ was not declared in this scope; did you mean ‘Rf_allocVector’?
  102 |         SEXP result = PROTECT(allocVector(REALSXP, k));
      |                               ^~~~~~~~~~~
/home/biocbuild/R/R/include/Rinternals.h:388:36: note: in definition of macro ‘PROTECT’
  388 | #define PROTECT(s)      Rf_protect(s)
      |                                    ^
make: *** [/home/biocbuild/R/R/etc/Makeconf:202: optimFunctions.o] Error 1
ERROR: compilation failed for package ‘eiR’
* removing ‘/home/biocbuild/tmp/RtmpSzVe7N/Rinst7464f1eba3e79/eiR’
      -----------------------------------
ERROR: package installation failed