On 04/24/2015 10:26 AM, "Marc =?UTF-8?B?U2Now7x0eiI=?= <schuetzm at gmx.net>" wrote: > You need to link against libcurl explicitly, it doesn't happen > automatically: > > dmd -L-lcurl test.d Another option is to add it to the source: pragma(lib, "curl"); Then it finds the library on the system and links with it. Ali