Lua Module Example

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lua 5.1 using msvc 6

see also BuildingModules

// myhello.cpp  ->  myhello.dll (msvc6 : dll example project, select c++:codegen:"multithreaded dll" and add luabin include&lib paths)

#include <stdio.h>
extern "C" {
	#include "lua.h"
	#include "lauxlib.h"
}
#define PROJECT_TABLENAME "myhello"
#ifdef WIN32
#define LUA_API __declspec(dllexport)
#else
#define LUA_API
#endif

extern "C" {
	int LUA_API luaopen_myhello (lua_State *L);
}

static int helloworld (lua_State *L) {
	printf("hello world!\n");
	return 0;
}

int LUA_API luaopen_myhello (lua_State *L) {
	struct luaL_reg driver[] = {
		{"helloworld", helloworld},		
		{NULL, NULL},
	};
	luaL_openlib (L, "myhello", driver, 0);
	return 1;
}

/* test.lua :
require("myhello")
myhello.helloworld() 
*/

lua 5.1 linux makefile for msvc6 example above

LUA_INC= /usr/include/lua5.1

#~ WARN= -Wall -Wmissing-prototypes -Wmissing-declarations -ansi -pedantic
WARN= 
INCS= -I$(LUA_INC)
CFLAGS= -O2 $(WARN) $(INCS) $(DEFS)
CXXFLAGS= -O2 $(WARN) $(INCS) $(DEFS)
CC= g++

# OS dependent
LIB_OPTION= -shared #for Linux
#LIB_OPTION= -bundle -undefined dynamic_lookup #for MacOS X

LIBNAME= myhello.so

OBJS= myhello.o
SRCS= myhello.cpp
AR= ar rcu
RANLIB= ranlib

lib: $(LIBNAME)

$(LIBNAME): $(OBJS)
	export MACOSX_DEPLOYMENT_TARGET="10.3"; $(CC) $(CFLAGS) -o $@ $(LIB_OPTION) $(OBJS)

#~ $(COMPAT_DIR)/compat-5.1.o: $(COMPAT_DIR)/compat-5.1.c
#~ $(CC) -c $(CFLAGS) -o $@ $(COMPAT_DIR)/compat-5.1.c

#~ install:
#~ mkdir -p $(LUA_LIBDIR)/myhello
#~ cp src/$(LIBNAME) $(LUA_LIBDIR)/myhello

clean:
	rm -f $(LIBNAME) *.o