Update README.md.

- Add --enable-opensslcoexist to the list of configure options for wolfSSL. See
wolfSSL/wolfssl#4492.
- Add a note about configuring wolfSSL with FIPS Ready. This has tripped enough
people up to warrant a note in the documentation.

Author: haydenroche5

README.md

@@ -58,14 +58,14 @@ sudo make install
 git clone https://github.com/wolfssl/wolfssl.git
 cd wolfssl
 ./autogen.sh
-./configure --enable-cmac --enable-keygen --enable-sha --enable-des3 --enable-aesctr --enable-aesccm --enable-x963kdf CPPFLAGS="-DHAVE_AES_ECB -DWOLFSSL_AES_DIRECT -DWC_RSA_NO_PADDING -DWOLFSSL_PUBLIC_MP -DECC_MIN_KEY_SZ=192 -DWOLFSSL_PSS_LONG_SALT -DWOLFSSL_PSS_SALT_LEN_DISCOVER"
+./configure --enable-opensslcoexist --enable-cmac --enable-keygen --enable-sha --enable-des3 --enable-aesctr --enable-aesccm --enable-x963kdf CPPFLAGS="-DHAVE_AES_ECB -DWOLFSSL_AES_DIRECT -DWC_RSA_NO_PADDING -DWOLFSSL_PUBLIC_MP -DECC_MIN_KEY_SZ=192 -DWOLFSSL_PSS_LONG_SALT -DWOLFSSL_PSS_SALT_LEN_DISCOVER"
 make
 sudo make install
 ```
 
 Add `--enable-pwdbased` to the configure command above if PKCS#12 is used in OpenSSL.
 
-Remove `-DWOLFSSL_PSS_LONG_SALT -DWOLFSSL_PSS_SALT_LEN_DISCOVER` and add `--enable-fips=v2` to the configure command above if building from a FIPS bundle and not the git repository.
+Remove `-DWOLFSSL_PSS_LONG_SALT -DWOLFSSL_PSS_SALT_LEN_DISCOVER` and add `--enable-fips=v2` to the configure command above if building from a FIPS v2 bundle and not the git repository. Change `--enable-fips=v2` to `--enable-fips=ready` if using a FIPS Ready bundle.
 
 ### wolfEngine