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### Running command:
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###   D:\biocbuild\bbs-3.15-bioc\R\bin\R.exe CMD INSTALL gpart
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* installing to library 'D:/biocbuild/bbs-3.15-bioc/R/library'
* installing *source* package 'gpart' ...
** using staged installation
** libs
"C:/rtools40/mingw64/bin/"g++ -std=gnu++11  -I"D:/biocbuild/bbs-3.15-bioc/R/include" -DNDEBUG  -I'D:/biocbuild/bbs-3.15-bioc/R/library/Rcpp/include'   -I"C:/extsoft/include"     -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign -fno-reorder-blocks-and-partition  -c RcppExports.cpp -o RcppExports.o
"C:/rtools40/mingw64/bin/"g++ -std=gnu++11  -I"D:/biocbuild/bbs-3.15-bioc/R/include" -DNDEBUG  -I'D:/biocbuild/bbs-3.15-bioc/R/library/Rcpp/include'   -I"C:/extsoft/include"     -O2 -Wall  -mfpmath=sse -msse2 -mstackrealign -fno-reorder-blocks-and-partition  -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
     solutions[1] = sq * cos(dxx + (2.0 * PI / 3.0)) - adiv3;
                                          ^~
make: *** [D:/biocbuild/bbs-3.15-bioc/R/etc/x64/Makeconf:245: gpart_cpp.o] Error 1
ERROR: compilation failed for package 'gpart'
* removing 'D:/biocbuild/bbs-3.15-bioc/R/library/gpart'
* restoring previous 'D:/biocbuild/bbs-3.15-bioc/R/library/gpart'