安装VASP过程中在make all部分遇到问题
[root@localhost vasp.5.4.1]# make all
mkdir build/std ; \
cp src/makefile src/.objects makefile.include build/std ; \
make -C build/std VERSION=std all
mkdir: cannot create directory ‘build/std’: File exists
make[1]: Entering directory `/sob/vasp.5.4.1/build/std'
rsync -ru ../../src/lib .
cp makefile.include lib
make -C lib
make[2]: Entering directory `/sob/vasp.5.4.1/build/std/lib'
fpp -f_com=no -free -w0 preclib.F preclib.f90
make[2]: fpp: Command not found
make[2]: *** [preclib.f90] Error 127
make[2]: Leaving directory `/sob/vasp.5.4.1/build/std/lib'
make[1]: *** [lib] Error 2
make[1]: Leaving directory `/sob/vasp.5.4.1/build/std'
make: *** [std] Error 2

想问一下这种情况怎么解决呢