本人想对fortran 文件 pclogit.f90 生成 R语言可以使用的脚本：


system("R CMD SHLIB d:/R_code/pclogit/src/pclogit.f90")
Warning message:
运行命令'make -f "Makevars" -f "d:/PROGRA~2/R/R-32~1.2/etc/x64/Makeconf" -f "d:/PROGRA~2/R/R-32~1.2/share/make/winshlib.mk" SHLIB_LDFLAGS='$(SHLIB_FCLDFLAGS)' SHLIB_LD='$(SHLIB_FCLD)' SHLIB="d:/R_code/pclogit/src/pclogit.dll" SHLIB_LIBADD='$(FCLIBS)' WIN=64 TCLBIN=64 OBJECTS="d:/R_code/pclogit/src/pclogit.o"'的状态是127
Warning message:
running command 'R CMD SHLIB d:/R_code/pclogit/src/pclogit.f90' had status 1


没成功。请教一下问什么？