Description:
Lua interpreter found: /usr/bin/lua...
Looking for Lua... lua found in $PATH: /usr/bin
Checking Lua includes... lua.h found in /usr/include/lua.h
md5sum found at /usr/bin
Configuring for system... Linux
Configuring for architecture... i686
Writing configuration...

Installation prefix: /usr
LuaRocks configuration directory: /etc/luarocks
Using Lua from: /usr

Done. You can now run 'make' to build.

for f in luarocks luarocks-admin ;\
do \
sed -i.bak "s,^#!.*lua.*,#!/usr/bin/env lua,;/^package.path/d" src/bin/$f ;\
rm src/bin/$f.bak ;\
done
rm -f src/luarocks/site_config.lua
for f in luarocks luarocks-admin ;\
do \
sed "1d" src/bin/$f >> src/bin/$f.bak ;\
echo "#!/usr/bin/lua" > src/bin/$f ;\
echo "package.path = [[/usr/share/lua/5.1//?.lua;/usr/share/lua/5.1//?/init.lua;]]..package.path" >> src/bin/$f ;\
cat src/bin/$f.bak >> src/bin/$f ;\
rm src/bin/$f.bak ;\
done
echo 'module("luarocks.site_config")' >> src/luarocks/site_config.lua
if [ -n "/usr" ] ;\
then \
echo "LUAROCKS_PREFIX=[[/usr]]" >> src/luarocks/site_config.lua ;\
fi
if [ -n "/usr/include" ] ;\
then \
echo "LUA_INCDIR=[[/usr/include]]" >> src/luarocks/site_config.lua ;\
fi
cat: src/bin/luarocks.bak: No such file or directory
rm: cannot remove `src/bin/luarocks.bak': No such file or directory
if [ -n "/usr/lib" ] ;\
then \
echo "LUA_LIBDIR=[[/usr/lib]]" >> src/luarocks/site_config.lua ;\
fi
if [ -n "/usr/bin" ] ;\
then \
echo "LUA_BINDIR=[[/usr/bin]]" >> src/luarocks/site_config.lua ;\
fi
cat: src/bin/luarocks-admin.bak: No such file or directory
rm: cannot remove `src/bin/luarocks-admin.bak': No such file or directory
make: *** [build_bins] Error 1
make: *** Waiting for unfinished jobs....
if [ -n "" ] ;\
then \
echo "LUA_INTERPRETER=[[lua]]" >> src/luarocks/site_config.lua ;\
fi
if [ -n "/etc/luarocks" ] ;\
then \
echo "LUAROCKS_SYSCONFIG=[[/etc/luarocks/config.lua]]" >> src/luarocks/site_config.lua ;\
fi
if [ -n "/usr" ] ;\
then \
echo "LUAROCKS_ROCKS_TREE=[[/usr]]" >> src/luarocks/site_config.lua ;\
fi
if [ -n "" ] ;\
then \
echo "LUAROCKS_FORCE_CONFIG=true" >> src/luarocks/site_config.lua ;\
fi
echo "LUAROCKS_UNAME_S=[[Linux]]" >> src/luarocks/site_config.lua
echo "LUAROCKS_UNAME_M=[[i686]]" >> src/luarocks/site_config.lua
echo "LUAROCKS_DOWNLOADER=[[curl]]" >> src/luarocks/site_config.lua
echo "LUAROCKS_MD5CHECKER=[[md5sum]]" >> src/luarocks/site_config.lua

The !makeflags option is needed.

Additional info:
* luarocks 2.0.6-1

Steps to reproduce:
Try to build it.