+ if(!tgt.get_package())
+ throw invalid_argument("Can't install package-less targets");
+
+ FS::Path base = tgt.get_package()->get_builder().get_prefix();
+ string tgtname = FS::basename(tgt.get_path());
+
+ string mid;
+ if(!loc.empty())
+ mid = loc;
+ else if(const Header *hdr = dynamic_cast<const Header *>(&tgt))
+ {
+ if(hdr->get_component()->get_type()!=Component::HEADERS)
+ throw logic_error("Header install from non-header component?");
+ mid = "include/"+hdr->get_component()->get_name();
+ }
+ else if(dynamic_cast<const Executable *>(&tgt))
+ mid = "bin";
+ else if(const SharedLibrary *shlib = dynamic_cast<const SharedLibrary *>(&tgt))
+ {
+ const Component &comp = shlib->get_component();
+ if(comp.get_type()==Component::LIBRARY)
+ {
+ mid = "lib";
+ if(!shlib->get_soname().empty())
+ tgtname = shlib->get_soname();
+ }
+ else if(comp.get_type()==Component::MODULE)
+ mid = "lib/"+tgt.get_package()->get_name();
+ }
+ else if(dynamic_cast<const StaticLibrary *>(&tgt))
+ mid = "lib";
+ else if(dynamic_cast<const PkgConfig *>(&tgt))
+ mid = "lib/pkgconfig";
+ else if(dynamic_cast<const ::DataFile *>(&tgt))
+ mid = "share/"+tgt.get_package()->get_name();
+
+ if(mid.empty())
+ throw invalid_argument("Don't know where to install "+tgtname);
+
+ return (base/mid/tgtname).str();