Preparing the Linux Development Environment

At the same level as the gSOAP directory created in the previous step, create these items with the appropriate command:

Item	Description	Command:
`client`	Directory for the client-related files (`Makefile` and `sample.cpp`)	`mkdir client`
`gsoap`	Symbolic link to your gSOAP directory	`ln -s <gsoap_path> gsoap`where `<gsoap_path>` is the path to the `gSOAP` directory that you created in Step 2.

In the gsoap/stdsoap2.cpp file, find the following calls:
ASN1_item_d2i (occurs once)

meth-d2i (occurs twice)
In each call, cast the second parameter (&data) as const unsigned char **.
The calls should now read:

ext_data = ASN1_item_d2i(NULL, (const unsigned char **) &data ...

ext_data = meth->d2i(NULL, (const unsigned char **) &data ...
In the gsoap/plugin/wsseapi.c file, find cert = d2i_X509.
Add const to the second argument’s cast as follows:
cert = d2i_X509(NULL, (const unsigned char**)&data, size);