diff -Naur lua-5.1.4.org/Makefile lua-5.1.4/Makefile
--- lua-5.1.4.org/Makefile	2009-11-24 23:49:28.232820455 +0100
+++ lua-5.1.4/Makefile	2009-11-24 23:50:35.452817115 +0100
@@ -43,7 +43,7 @@
 # What to install.
 TO_BIN= lua luac
 TO_INC= lua.h luaconf.h lualib.h lauxlib.h ../etc/lua.hpp
-TO_LIB= liblua.a
+TO_LIB= liblua.a liblua.so.$R
 TO_MAN= lua.1 luac.1
 
 # Lua version and release.
@@ -63,6 +63,7 @@
 	cd src && $(INSTALL_EXEC) $(TO_BIN) $(INSTALL_BIN)
 	cd src && $(INSTALL_DATA) $(TO_INC) $(INSTALL_INC)
 	cd src && $(INSTALL_DATA) $(TO_LIB) $(INSTALL_LIB)
+	ln -sf liblua.so.$R $(INSTALL_LIB)/liblua.so
 	cd doc && $(INSTALL_DATA) $(TO_MAN) $(INSTALL_MAN)
 
 ranlib:
diff -Naur lua-5.1.4.org/src/ldo.h lua-5.1.4/src/ldo.h
--- lua-5.1.4.org/src/ldo.h	2009-11-24 23:49:28.232820455 +0100
+++ lua-5.1.4/src/ldo.h	2009-11-24 23:49:54.244818140 +0100
@@ -46,7 +46,7 @@
 LUAI_FUNC int luaD_poscall (lua_State *L, StkId firstResult);
 LUAI_FUNC void luaD_reallocCI (lua_State *L, int newsize);
 LUAI_FUNC void luaD_reallocstack (lua_State *L, int newsize);
-LUAI_FUNC void luaD_growstack (lua_State *L, int n);
+LUA_API void luaD_growstack (lua_State *L, int n);
 
 LUAI_FUNC void luaD_throw (lua_State *L, int errcode);
 LUAI_FUNC int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud);
diff -Naur lua-5.1.4.org/src/lfunc.h lua-5.1.4/src/lfunc.h
--- lua-5.1.4.org/src/lfunc.h	2009-11-24 23:49:28.236815431 +0100
+++ lua-5.1.4/src/lfunc.h	2009-11-24 23:49:54.244818140 +0100
@@ -18,7 +18,7 @@
                          cast(int, sizeof(TValue *)*((n)-1)))
 
 
-LUAI_FUNC Proto *luaF_newproto (lua_State *L);
+LUA_API Proto *luaF_newproto (lua_State *L);
 LUAI_FUNC Closure *luaF_newCclosure (lua_State *L, int nelems, Table *e);
 LUAI_FUNC Closure *luaF_newLclosure (lua_State *L, int nelems, Table *e);
 LUAI_FUNC UpVal *luaF_newupval (lua_State *L);
diff -Naur lua-5.1.4.org/src/lmem.h lua-5.1.4/src/lmem.h
--- lua-5.1.4.org/src/lmem.h	2009-11-24 23:49:28.236815431 +0100
+++ lua-5.1.4/src/lmem.h	2009-11-24 23:49:54.244818140 +0100
@@ -38,9 +38,9 @@
    ((v)=cast(t *, luaM_reallocv(L, v, oldn, n, sizeof(t))))
 
 
-LUAI_FUNC void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize,
+LUA_API void *luaM_realloc_ (lua_State *L, void *block, size_t oldsize,
                                                           size_t size);
-LUAI_FUNC void *luaM_toobig (lua_State *L);
+LUA_API void *luaM_toobig (lua_State *L);
 LUAI_FUNC void *luaM_growaux_ (lua_State *L, void *block, int *size,
                                size_t size_elem, int limit,
                                const char *errormsg);
diff -Naur lua-5.1.4.org/src/lstring.h lua-5.1.4/src/lstring.h
--- lua-5.1.4.org/src/lstring.h	2009-11-24 23:49:28.236815431 +0100
+++ lua-5.1.4/src/lstring.h	2009-11-24 23:49:54.244818140 +0100
@@ -25,7 +25,7 @@
 
 LUAI_FUNC void luaS_resize (lua_State *L, int newsize);
 LUAI_FUNC Udata *luaS_newudata (lua_State *L, size_t s, Table *e);
-LUAI_FUNC TString *luaS_newlstr (lua_State *L, const char *str, size_t l);
+LUA_API TString *luaS_newlstr (lua_State *L, const char *str, size_t l);
 
 
 #endif
diff -Naur lua-5.1.4.org/src/lundump.h lua-5.1.4/src/lundump.h
--- lua-5.1.4.org/src/lundump.h	2009-11-24 23:49:28.232820455 +0100
+++ lua-5.1.4/src/lundump.h	2009-11-24 23:49:54.244818140 +0100
@@ -17,7 +17,7 @@
 LUAI_FUNC void luaU_header (char* h);
 
 /* dump one chunk; from ldump.c */
-LUAI_FUNC int luaU_dump (lua_State* L, const Proto* f, lua_Writer w, void* data, int strip);
+LUA_API int luaU_dump (lua_State* L, const Proto* f, lua_Writer w, void* data, int strip);
 
 #ifdef luac_c
 /* print one chunk; from print.c */
diff -Naur lua-5.1.4.org/src/Makefile lua-5.1.4/src/Makefile
--- lua-5.1.4.org/src/Makefile	2009-11-24 23:49:28.236815431 +0100
+++ lua-5.1.4/src/Makefile	2009-11-24 23:49:54.244818140 +0100
@@ -23,6 +23,7 @@
 PLATS= aix ansi bsd freebsd generic linux macosx mingw posix solaris
 
 LUA_A=	liblua.a
+LUA_SO= liblua.so
 CORE_O=	lapi.o lcode.o ldebug.o ldo.o ldump.o lfunc.o lgc.o llex.o lmem.o \
 	lobject.o lopcodes.o lparser.o lstate.o lstring.o ltable.o ltm.o  \
 	lundump.o lvm.o lzio.o
@@ -33,11 +34,12 @@
 LUA_O=	lua.o
 
 LUAC_T=	luac
-LUAC_O=	luac.o print.o
+LUAC_O=	luac.o print.o lopcodes.o
 
 ALL_O= $(CORE_O) $(LIB_O) $(LUA_O) $(LUAC_O)
-ALL_T= $(LUA_A) $(LUA_T) $(LUAC_T)
+ALL_T= $(LUA_A) $(LUA_SO) $(LUA_T) $(LUAC_T)
 ALL_A= $(LUA_A)
+ALL_SO= $(LUA_SO)
 
 default: $(PLAT)
 
@@ -47,14 +49,23 @@
 
 a:	$(ALL_A)
 
+so:	$(ALL_SO)
+
 $(LUA_A): $(CORE_O) $(LIB_O)
 	$(AR) $@ $?
 	$(RANLIB) $@
 
-$(LUA_T): $(LUA_O) $(LUA_A)
-	$(CC) -o $@ $(MYLDFLAGS) $(LUA_O) $(LUA_A) $(LIBS)
+$(LUA_SO): $(CORE_O) $(LIB_O)
+	$(CC) -o $@.$(PKG_VERSION) -shared -Wl,-soname="$@.$(PKG_VERSION)" $? -nostdlib -lgcc
+	ln -fs $@.$(PKG_VERSION) $@
+
+$(LUA_T): $(LUA_O) $(LUA_SO)
+	$(CC) -o $@ -L. -llua $(MYLDFLAGS) $(LUA_O) $(LIBS)
+
+$(LUAC_T): $(LUAC_O) $(LUA_SO)
+	$(CC) -o $@ -L. -llua $(MYLDFLAGS) $(LUAC_O) $(LIBS)
 
-$(LUAC_T): $(LUAC_O) $(LUA_A)
+$(LUAC_T)-host: $(LUAC_O) $(LUA_A)
 	$(CC) -o $@ $(MYLDFLAGS) $(LUAC_O) $(LUA_A) $(LIBS)
 
 clean:
@@ -96,7 +107,7 @@
 	$(MAKE) all MYCFLAGS=
 
 linux:
-	$(MAKE) all MYCFLAGS=-DLUA_USE_LINUX MYLIBS="-Wl,-E -ldl -lreadline -lhistory -lncurses"
+	$(MAKE) all MYCFLAGS+=-DLUA_USE_LINUX MYLIBS="-Wl,-E -ldl -lreadline -lhistory -lncurses"
 
 macosx:
 	$(MAKE) all MYCFLAGS=-DLUA_USE_LINUX MYLIBS="-lreadline"