When trying to compile the latest snapshot from the files section I get the following error:
~/source-mud-0.0.08030201$ make
depbase=`echo src/http.o | sed 's|[^/]*$|.deps/&|;s|\.o$||'`;\
g++ -DHAVE_CONFIG_H -I. -I./include -I./include -g -O2 -MT src/http.o -MD -MP -MF $depbase.Tpo -c -o src/http.o src/http.cc &&\
mv -f $depbase.Tpo $depbase.Po
In file included from src/http.cc:10:
./include/lua.h:5:19: error: lua.hpp: No such file or directory

Is the file lua.hpp missing from the distribution or should it have been generated in the compiling process?

lua.hpp is part of the Lua package, found at http://lua.org. SourceMUD uses Lua for its internal scripting language support. If this is on a Linux system with Lua installed from packages, you may need to install the devel packages to get the Lua headers. On Fedora, that would be lua-devel.

Thanks for the info. By the way: Is Lua 5 ok or is Lua 4 necessary?
(I found debian packages for both lua versions.)

Lua 5.

Lua 5.