* using log directory 'd:/Rcompile/CRANpkg/local/3.6/BuildSys.Rcheck'
* using R version 3.6.3 (2020-02-29)
* using platform: x86_64-w64-mingw32 (64-bit)
* using session charset: ISO8859-1
* checking for file 'BuildSys/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'BuildSys' version '1.1.0'
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking whether package 'BuildSys' can be installed ... OK
* checking installed package size ... OK
* checking package directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking R files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking use of S3 registration ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [5s] OK
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking examples ... ERROR
Running examples in 'BuildSys-Ex.R' failed
The error most likely occurred in:

> ### Name: BuildSys-package
> ### Title: System for Building and Debugging C/C++ Dynamic Libraries
> ### Aliases: BuildSys-package BuildSys
> ### Keywords: package debugging programming utilities
> 
> ### ** Examples
> 
> ProjectFolder <- tempdir()
> 
> # Create source file for finite convolution example in "Writing R Extensions"  
> lines <- c(
+ "#include <R.h>",
+ "#include <Rinternals.h>",
+ "",
+ "SEXP convolve2(SEXP a, SEXP b)",
+ "{",
+ "    int na, nb, nab;",
+ "    double *xa, *xb, *xab;",
+ "    SEXP ab;",
+ "",
+ "    a = PROTECT(coerceVector(a, REALSXP));",
+ "    b = PROTECT(coerceVector(b, REALSXP));",
+ "    na = length(a); nb = length(b); nab = na + nb - 1;",
+ "    ab = PROTECT(allocVector(REALSXP, nab));",
+ "    xa = REAL(a); xb = REAL(b); xab = REAL(ab);",
+ "    for(int i = 0; i < nab; i++) xab[i] = 0.0;",
+ "    for(int i = 0; i < na; i++)",
+ "        for(int j = 0; j < nb; j++) xab[i + j] += xa[i] * xb[j];",
+ "    UNPROTECT(3);",
+ "    return ab;",
+ "}")  
> 
> SourceFilePath <- paste0(ProjectFolder, "/convolve.c")
> writeLines(lines, SourceFilePath)
> 
> # digest need not be loaded but the digest package needs to be installed
> # as it is used to create a digest of the project to track the need for
> # makefile re-creation.
> require(BuildSys)
> 
> # create project to build shared library, a flat project with source in current working directory. 
> Project <- new("BSysProject", ProjectFolder)
> 
> # re-initialise project from current working directory, new("BSysProject") calls this internally
> Project <- initProjectFromFolder(Project, ProjectFolder)
> 
> # build the shared library
> make(Project)
D:/temp/RtmpqGIlSX/convolve.sh: line 3: tee: command not found
Warning in file(CapturePath, "rt") :
  cannot open file 'D:/temp/RtmpqGIlSX/convolve.log': No such file or directory
Error in file(CapturePath, "rt") : cannot open the connection
Calls: make -> make -> .local -> runMake -> file
Execution halted
* checking PDF version of manual ... OK
* DONE
Status: 1 ERROR