# -optl-pthread -pgml g++ "$file"
# but cannot make it "only glibc is shared". And with static glibc,
# getaddrinfo does not work on systems with different glibc.
# -optl-pthread -pgml g++ "$file"
# but cannot make it "only glibc is shared". And with static glibc,
# getaddrinfo does not work on systems with different glibc.