i can't install softether vpn server on oracle linux 8

[nghiant123]

when i did make step in vpnserver folder i got this error

gcc code/vpnserver.a -fPIE -O2 -fsigned-char -pthread -m32 -lm -lrt -lpthread -L./ lib/libssl.a lib/libcrypto.a lib/libiconv.a lib/libcharset.a lib/libedit.a lib/libncurses.a lib/libz.a lib/libintelaes.a -ldl -o vpnserver
/usr/bin/ld: cannot find crt1.o: No such file or directory
/usr/bin/ld: cannot find crti.o: No such file or directory
/usr/bin/ld: cannot find -lm
/usr/bin/ld: cannot find -lrt
/usr/bin/ld: cannot find -lpthread
/usr/bin/ld: cannot find -ldl
/usr/bin/ld: cannot find /lib/libgcc_s.so.1
collect2: error: ld returned 1 exit status
make[1]: *** [Makefile:30: main] Error 1
make[1]: Leaving directory '/opt/vpnserver'

all recommended libraries are already installed

gcc software
binutils software
tar, gzip or other software for extracting package files
chkconfig system utility
cat, cp or other basic file operation utility
EUC-JP, UTF-8 or other code page table for use in a Japanese language environment
libc (glibc) library
zlib library
openssl library
readline library
ncurses library
pthread library

i disabled selinux

[solo]

Can you actually compile anything on this OS? It has nothing to do with SoftEther. Search Linux forums for "/usr/bin/ld: cannot find -lpthread" or any other of these generic errors.