The documentation for using SBFspot on a Raspberry Pi is apparently for an older version of Rasbian.
When using Rasbian/Jessie one needs to install an extra package.
So use
```
apt-get install libcurl4-openssl-dev
```
to install that package before trying to compile the code.
When using Rasbian/Jessie one needs to install an extra package.
So use
```
apt-get install libcurl4-openssl-dev
```
to install that package before trying to compile the code.