我一直试图在R中安装“ openxlsx”库。我具有R 3.4.0，并尝试从cran和程序包归档文件（本地文件夹）安装“ openxlsx”，但没有一个让我安装此程序包。下面是日志消息。有人可以帮忙吗。
> install.packages("C:/Users/rgowriga/Downloads/openxlsx_4.0.17.tar.gz", repos = NULL, type = "source")
'\\...\rgowriga$\Documents'
CMD.EXE was started with the above path as the current directory.
UNC paths are not supported. Defaulting to Windows directory.
* installing *source* package 'openxlsx' ...
** package 'openxlsx' successfully unpacked and MD5 sums checked
** libs
*** arch - i386
C:/PF/Rtools/mingw_32/bin/g++ -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -mtune=core2 -c RcppExports.cpp -o RcppExports.o
C:/PF/Rtools/mingw_32/bin/g++ -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -mtune=core2 -c helper_functions.cpp -o helper_functions.o
C:/PF/Rtools/mingw_32/bin/g++ -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -mtune=core2 -c load_workbook.cpp -o load_workbook.o
C:/PF/Rtools/mingw_32/bin/gcc -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O3 -Wall -std=gnu99 -mtune=core2 -c openxlsx_init.c -o openxlsx_init.o
C:/PF/Rtools/mingw_32/bin/g++ -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -mtune=core2 -c read_workbook.cpp -o read_workbook.o
C:/PF/Rtools/mingw_32/bin/g++ -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -mtune=core2 -c write_data.cpp -o write_data.o
C:/PF/Rtools/mingw_32/bin/g++ -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -mtune=core2 -c write_file.cpp -o write_file.o
C:/PF/Rtools/mingw_32/bin/g++ -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -mtune=core2 -c write_file_2.cpp -o write_file_2.o
C:/PF/Rtools/mingw_32/bin/g++ -shared -s -static-libgcc -o openxlsx.dll tmp.def RcppExports.o helper_functions.o load_workbook.o openxlsx_init.o read_workbook.o write_data.o write_file.o write_file_2.o -Ld:/Compiler/gcc-4.9.3/local330/lib/i386 -Ld:/Compiler/gcc-4.9.3/local330/lib -LC:/PROGRA~1/R/R-34~1.0/bin/i386 -lR
installing to C:/Program Files/R/R-3.4.0/library/openxlsx/libs/i386
*** arch - x64
C:/PF/Rtools/mingw_32/bin/g++ -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -mtune=core2 -c RcppExports.cpp -o RcppExports.o
C:/PF/Rtools/mingw_32/bin/g++ -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -mtune=core2 -c helper_functions.cpp -o helper_functions.o
C:/PF/Rtools/mingw_32/bin/g++ -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -mtune=core2 -c load_workbook.cpp -o load_workbook.o
C:/PF/Rtools/mingw_32/bin/gcc -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -std=gnu99 -mtune=core2 -c openxlsx_init.c -o openxlsx_init.o
C:/PF/Rtools/mingw_32/bin/g++ -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -mtune=core2 -c read_workbook.cpp -o read_workbook.o
C:/PF/Rtools/mingw_32/bin/g++ -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -mtune=core2 -c write_data.cpp -o write_data.o
C:/PF/Rtools/mingw_32/bin/g++ -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -mtune=core2 -c write_file.cpp -o write_file.o
C:/PF/Rtools/mingw_32/bin/g++ -I"C:/PROGRA~1/R/R-34~1.0/include" -DNDEBUG -I"C:/Program Files/R/R-3.4.0/library/Rcpp/include" -I"d:/Compiler/gcc-4.9.3/local330/include" -O2 -Wall -mtune=core2 -c write_file_2.cpp -o write_file_2.o
C:/PF/Rtools/mingw_32/bin/g++ -shared -s -static-libgcc -o openxlsx.dll tmp.def RcppExports.o helper_functions.o load_workbook.o openxlsx_init.o read_workbook.o write_data.o write_file.o write_file_2.o -Ld:/Compiler/gcc-4.9.3/local330/lib/x64 -Ld:/Compiler/gcc-4.9.3/local330/lib -LC:/PROGRA~1/R/R-34~1.0/bin/x64 -lR
C:/PROGRA~1/R/R-34~1.0/bin/x64/R.dll: file not recognized: File format not recognized
collect2.exe: error: ld returned 1 exit status
no DLL was created
ERROR: compilation failed for package 'openxlsx'
* removing 'C:/Program Files/R/R-3.4.0/library/openxlsx'
Warning in install.packages :
running command '"C:/PROGRA~1/R/R-34~1.0/bin/i386/R" CMD INSTALL -l "C:\Program Files\R\R-3.4.0\library" "C:/Users/rgowriga/Downloads/openxlsx_4.0.17.tar.gz"' had status 1
Warning in install.packages :
installation of package ‘C:/Users/rgowriga/Downloads/openxlsx_4.0.17.tar.gz’ had non-zero exit status