the error is as follows:
Installing collected packages: kerberos, flask-kerberos
Running setup.py install for kerberos. Error

Complete output from command /usr/bin/python3 -u -c "import setuptools, tokenize;__file__="/tmp/pip-build-0h776i4l/kerberos/setup.py";f=getattr(tokenize, "open", open)(__file__);code=f.read().replace("\r\n", "\n");f.close();exec(compile(code, __file__, "exec"))" install --record /tmp/pip-je3vtfvb-record/install-record.txt --single-version-externally-managed --compile:
running install
running build
running build_ext
building "kerberos" extension
creating build
creating build/temp.linux-x86_64-3.5
creating build/temp.linux-x86_64-3.5/src
x86_64-linux-gnu-gcc -pthread -DNDEBUG -g -fwrapv -O2 -Wall -Wstrict-prototypes -g -fstack-protector-strong -Wformat -Werror=format-security -Wdate-time -D_FORTIFY_SOURCE=2 -fPIC -I/usr/include/python3.5m -c src/base64.c -o build/temp.linux-x86_64-3.5/src/base64.o /bin/sh: 1: krb5-config: not found
x86_64-linux-gnu-gcc: error: /bin/sh:: No such file or directory
x86_64-linux-gnu-gcc: error: 1:: No such file or directory
x86_64-linux-gnu-gcc: error: krb5-config:: No such file or directory
x86_64-linux-gnu-gcc: error: not: No such file or directory
x86_64-linux-gnu-gcc: error: found: No such file or directory
error: command "x86_64-linux-gnu-gcc" failed with exit status 1

----------------------------------------

Command "/ usr/bin/python3-u-c" import setuptools, tokenize;__file__="/tmp/pip-build-0h776i4l/kerberos/setup.py";f=getattr (tokenize, "open", open) (_ file__); code=f.read (). Replace (" rn", "n"); f.close (); Exec (compile (code, _ _ file__, "exec") "install--record/ tmp/pip-je3vtfvb-record/install-record.txt-- single-version-externally-managed-- compile" failed with error code 1 in / tmp/pip-build-0h776i4l/kerberos/

I looked up a lot of solutions on the Internet but failed to ask for help. I am python3,python3-dev and other conventional dependencies have been installed