You need to follow these steps:

1.1.1 Build openssl-fips package

From https://www.openssl.org/source/, download latest openssl-fips package and unzip under

tar –zxvf openssl-fips-2.0.5.tar.gz

cd /home/user/openssl-fips-2.0.5

/Configure --prefix=/usr/local  linux-generic32

make

make install

1.1.2 Build FIPS capable openssl package

From https://www.openssl.org/source/, download latest openssl  package and unzip under

tar –zxvf openssl-1.0.1h.tar.gz 

Cd /home/user/openssl-1.0.1h

./Configure --prefix=/usr/local --with-fipsdir=/usr/local  fips  linux-generic32

make CC=fipsld FIPSLD_CC=gcc -j 8

make install

the binary openssl can be found at /usr/local/bin/openssl

[root@ssl86 hyu]# openssl version

OpenSSL 1.0.1h-fips 5 Jun 2014

#######here is tricky, go back to FIPS directory make install again.

cd /home/user/openssl-fips-2.0.5

make install

1.1.3 Build stunnel package

From https://www.stunnel.org/downloads.html, Download latest stunnel version 5.02 package and unzip under

tar –zxvf stunnel-5.02.tar.gz

cd /home/user/stunnel-5.02

./configure --enable-fips --with-ssl=/usr/local/ --prefix=/usr/local

make CC=fipsld FIPSLD_CC=gcc -j 8

make install

the stunnel binary can be found at /usr/local/bin/stunnel