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### Running command:
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###   chmod a+r gpart -R && F:\biocbuild\bbs-3.15-bioc\R\bin\R.exe CMD build --keep-empty-dirs --no-resave-data gpart
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* checking for file 'gpart/DESCRIPTION' ... OK
* preparing 'gpart':
* checking DESCRIPTION meta-information ... OK
* cleaning src
* installing the package to build vignettes
      -----------------------------------
* installing *source* package 'gpart' ...
** using staged installation
** libs
g++ -std=gnu++11  -I"F:/biocbuild/bbs-3.15-bioc/R/include" -DNDEBUG  -I'F:/biocbuild/bbs-3.15-bioc/R/library/Rcpp/include'   -I"C:/rtools42/x86_64-w64-mingw32.static.posix/include"     -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign  -c RcppExports.cpp -o RcppExports.o
g++ -std=gnu++11  -I"F:/biocbuild/bbs-3.15-bioc/R/include" -DNDEBUG  -I'F:/biocbuild/bbs-3.15-bioc/R/library/Rcpp/include'   -I"C:/rtools42/x86_64-w64-mingw32.static.posix/include"     -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign  -c gpart_cpp.cpp -o gpart_cpp.o
gpart_cpp.cpp: In function 'uint32_t cubic_real_roots(double, double, double, Rcpp::NumericVector)':
gpart_cpp.cpp:622:42: error: 'PI' was not declared in this scope
  622 |     solutions[1] = sq * cos(dxx + (2.0 * PI / 3.0)) - adiv3;
      |                                          ^~
make: *** [F:/biocbuild/bbs-3.15-bioc/R/etc/x64/Makeconf:260: gpart_cpp.o] Error 1
ERROR: compilation failed for package 'gpart'
* removing 'F:/biocbuild/bbs-3.15-bioc/tmpdir/Rtmp6jWKMC/Rinst41e8212d472b/gpart'
      -----------------------------------
ERROR: package installation failed