oh my fault. you need to install libcurl4-openssl-dev not libncurses. sry for reading the logfile wrong!
shame on me

It appears i already have libcurl4-openssl-dev installed
Reading package lists... Done
Building dependency tree
Reading state information... Done
libcurl4-openssl-dev is already the newest version.
0 to upgrade, 0 to newly install, 0 to remove and 0 not to upgrade.