On Mon, May 22, 2006 at 01:11:16AM +0400, Konstantin A. Lepikhov wrote:
> > checking for lua... yes
> > checking for lua-config... no
> > checking for lua_open in -llua... no
> > checking for lua... Package lua was not found in the pkg-config search path. Perhaps you should add the directory containing `lua.pc' to the PKG_CONFIG_PATH environment variable No package 'lua' found
> > configure: error: Library requirements (lua) not met; consider adjusting the PKG_CONFIG_PATH environment variable if your libraries are in a nonstandard prefix so pkg-config can find them.
> а вот и первый пострадавший от новой lua ;)

$ grep lua_open /usr/include/lua.h                               
#define lua_open()      luaL_newstate()
$

Линковаться без хедеров/без прототипов грешно.
К сожалению autoconf это делает.