问cplex API包中的configure.win文件应该包含什么内容？

EN

R CMD build --no-build-vignettes --no-manual  --md5     C:\Users\Rharris\Desktop\cplexAPI

* checking for file 'C:\Users\RHARRIS\Desktop\cplexAPI/DESCRIPTION' ... OK
* preparing 'cplexAPI':
* checking DESCRIPTION meta-information ... OK
* cleaning src
Warning in cleanup_pkg(pkgdir, Log) :
  unable to run 'make clean' in 'src'
* checking vignette meta-information ... OK
* checking for LF line-endings in source and make files and shell scripts
* checking for empty or unneeded directories
* adding MD5 file
* building 'cplexAPI_1.4.0.tar.gz'
Warning: file 'cplexAPI/cleanup' did not have execute permissions: corrected
Warning: file 'cplexAPI/configure' did not have execute permissions: corrected

C:\Users\RHARRIS>R CMD INSTALL --build --no-multiarch .\cplexAPI_1.4.0.tar.gz
* installing to library 'C:/Users/RHARRIS/Documents/R/win-library/4.0'
* installing *source* package 'cplexAPI' ...
** package 'cplexAPI' successfully unpacked and MD5 sums checked
** using staged installation
Warning in system("sh ./configure.win") : 'sh' not found
ERROR: configuration failed for package 'cplexAPI'
* removing 'C:/Users/RHARRIS/Documents/R/win-library/4.0/cplexAPI'