My server system is Ubuntu / 14.04.1 LTS amd64.

I fllow the instructions here and got severl C compilation errors when I run bin/develop.

https://github.com/apple/ccs-calendarserver/blob/master/doc/Admin/Guide.rst

Such as:

digestmd5.c:1019:7: error: 'DES_DECRYPT' undeclared (first use in this function)

       DES_DECRYPT);

digestmd5.c:1070:21: error: 'DES_ENCRYPT' undeclared (first use in this function)

                     DES_ENCRYPT);

digestmd5.c:1094:20: error: 'des_cblock' undeclared (first use in this function)

...