tar zxvf openssl-0.9.7.tar.gz
mv openssl-0.9.7 ssl
cd ssl
vi tools/c_rehash 把/usr/local/ssl改为/usr，使编译和安装OpenSSL时用“/usr”这个默认目录
./Configure linux-elf -DSSL_FORBID_ENULL --prefix=/usr --openssldir=/etc/ssl
make
make test
make install
mv /etc/ssl/misc/* /usr/bin/
strip /usr/bin/openssl
