gcc -O2 -Wall -DLUA_USE_LINUX   -c -o lua.o lua.c
In file included from lua.h:16,
                 from lua.c:15:
luaconf.h:263:31: error: readline/readline.h: No such file or directory
luaconf.h:264:30: error: readline/history.h: No such file or directory
lua.c: In function ‘pushline’:
lua.c:180: warning: implicit declaration of function ‘readline’
lua.c:180: warning: assignment makes pointer from integer without a cast
lua.c: In function ‘loadline’:
lua.c:208: warning: implicit declaration of function ‘add_history’
make[3]: *** [lua.o] Error 1
make[3]: Leaving directory `/home/bjorn/bloglines-svn/extern/lua/src'
make[2]: *** [linux] Error 2
make[2]: Leaving directory `/home/bjorn/bloglines-svn/extern/lua/src'
make[1]: *** [linux] Error 2
make[1]: Leaving directory `/home/bjorn/bloglines-svn/extern/lua'
make: *** [build] Error 2