Install OpenSSL from source Mac OS X

install-openssl-from-src-mac

# Install OpenSSL from source on Mac OS X

# prepare workspace
mkdir -p ~/code/build-from-src/ && cd $_

# download source code
curl -LO https://www.openssl.org/source/openssl-3.0.3.tar.gz

# expand tar
tar -xzvf openssl-3.0.3.tar.gz
cd openssl-3.0.3

# configure, make, install
perl ./Configure --prefix=/usr/local --openssldir=/usr/local/openssl no-ssl3 no-ssl3-method no-zlib darwin64-x86_64-cc enable-ec_nistp_64_gcc_128
make
make test
sudo make install MANDIR=/usr/share/man MANSUFFIX=ssl

# verify
openssl version
which -a openssl

# clean up
make clean
make distclean
cd ..
rm -fr openssl-3.0.3
rm openssl-3.0.3.tar.gz