Index: elua/src/lua/lapi.c
===================================================================
--- elua.orig/src/lua/lapi.c	2011-06-03 19:06:16.754074015 +0200
+++ elua/src/lua/lapi.c	2011-06-25 04:40:23.808035679 +0200
@@ -915,6 +915,7 @@
 }
 
 
+#ifndef NO_DUMP
 LUA_API int lua_dump (lua_State *L, lua_Writer writer, void *data) {
   int status;
   TValue *o;
@@ -928,6 +929,7 @@
   lua_unlock(L);
   return status;
 }
+#endif
 
 
 LUA_API int  lua_status (lua_State *L) {
Index: elua/src/lua/ldo.c
===================================================================
--- elua.orig/src/lua/ldo.c	2011-06-25 04:40:23.756035421 +0200
+++ elua/src/lua/ldo.c	2011-06-25 04:40:23.808035679 +0200
@@ -525,11 +525,17 @@
   Proto *tf;
   Closure *cl;
   struct SParser *p = cast(struct SParser *, ud);
+#ifndef NO_UNDUMP
   int c = luaZ_lookahead(p->z);
+#endif
   luaC_checkGC(L);
   set_block_gc(L);  /* stop collector during parsing */
+#ifndef NO_UNDUMP
   tf = ((c == LUA_SIGNATURE[0]) ? luaU_undump : luaY_parser)(L, p->z,
                                                              &p->buff, p->name);
+#else
+  tf = luaY_parser(L, p->z, &p->buff, p->name);
+#endif
   cl = luaF_newLclosure(L, tf->nups, hvalue(gt(L)));
   cl->l.p = tf;
   for (i = 0; i < tf->nups; i++)  /* initialize eventual upvalues */
Index: elua/src/lua/ldump.c
===================================================================
--- elua.orig/src/lua/ldump.c	2011-06-24 13:56:09.754078683 +0200
+++ elua/src/lua/ldump.c	2011-06-25 04:40:23.808035679 +0200
@@ -13,6 +13,10 @@
 
 #include "lua.h"
 
+
+#ifndef NO_DUMP
+
+
 #include "lobject.h"
 #include "lstate.h"
 #include "lundump.h"
@@ -308,3 +312,6 @@
  target.is_arm_fpa=0;
  return luaU_dump_crosscompile(L,f,w,data,strip,target);
 }
+
+
+#endif  // NO_DUMP
Index: elua/src/lua/lstrlib.c
===================================================================
--- elua.orig/src/lua/lstrlib.c	2011-06-25 04:40:23.684035062 +0200
+++ elua/src/lua/lstrlib.c	2011-06-25 04:40:23.808035679 +0200
@@ -137,6 +137,7 @@
 }
 
 
+#ifndef NO_DUMP
 static int writer (lua_State *L, const void* b, size_t size, void* B) {
   (void)L;
   luaL_addlstring((luaL_Buffer*) B, (const char *)b, size);
@@ -154,6 +155,7 @@
   luaL_pushresult(&b);
   return 1;
 }
+#endif  // NO_DUMP
 
 
 
@@ -832,7 +834,9 @@
 const LUA_REG_TYPE strlib[] = {
   {LSTRKEY("byte"), LFUNCVAL(str_byte)},
   {LSTRKEY("char"), LFUNCVAL(str_char)},
+#ifndef NO_DUMP
   {LSTRKEY("dump"), LFUNCVAL(str_dump)},
+#endif
   {LSTRKEY("find"), LFUNCVAL(str_find)},
   {LSTRKEY("format"), LFUNCVAL(str_format)},
 #if LUA_OPTIMIZE_MEMORY > 0 && defined(LUA_COMPAT_GFIND)
Index: elua/src/lua/lundump.c
===================================================================
--- elua.orig/src/lua/lundump.c	2011-06-03 19:06:16.766074070 +0200
+++ elua/src/lua/lundump.c	2011-06-25 04:40:23.808035679 +0200
@@ -20,6 +20,10 @@
 #include "lundump.h"
 #include "lzio.h"
 
+
+#ifndef NO_UNDUMP
+
+
 typedef struct {
  lua_State* L;
  ZIO* Z;
@@ -305,3 +309,6 @@
  *h++=(char)sizeof(lua_Number);
  *h++=(char)(((lua_Number)0.5)==0);		/* is lua_Number integral? */
 }
+
+
+#endif  // NO_UNDUMP
Index: elua/src/lua/lundump.h
===================================================================
--- elua.orig/src/lua/lundump.h	2011-06-03 19:06:16.838074425 +0200
+++ elua/src/lua/lundump.h	2011-06-25 04:40:23.808035679 +0200
@@ -12,6 +12,7 @@
 #include "lobject.h"
 #include "lzio.h"
 
+
 typedef uint32_t strsize_t;
 
 /* info about target machine for cross-compilation */
@@ -24,11 +25,15 @@
  int is_arm_fpa;
 } DumpTargetInfo;
 
+#ifndef NO_UNDUMP
 /* load one chunk; from lundump.c */
 LUAI_FUNC Proto* luaU_undump (lua_State* L, ZIO* Z, Mbuffer* buff, const char* name);
 
 /* make header; from lundump.c */
 LUAI_FUNC void luaU_header (char* h);
+#endif
+
+#ifndef NO_DUMP
 
 /* dump one chunk to a different target; from ldump.c */
 int luaU_dump_crosscompile (lua_State* L, const Proto* f, lua_Writer w, void* data, int strip, DumpTargetInfo target);
@@ -41,6 +46,8 @@
 LUAI_FUNC void luaU_print (const Proto* f, int full);
 #endif
 
+#endif // NO_DUMP
+
 /* for header of binary files -- this is Lua 5.1 */
 #define LUAC_VERSION		0x51
 
Index: elua/src/lua/luaconf.h
===================================================================
--- elua.orig/src/lua/luaconf.h	2011-06-25 04:40:23.792035600 +0200
+++ elua/src/lua/luaconf.h	2011-06-25 04:40:23.812035704 +0200
@@ -36,6 +36,17 @@
 */
 #define NO_GETENV
 
+/*
+@@ Defining NO_DUMP removes the dump mechanism, but it is always needed when
+** compiling the corss-compiler
+@@ Defining NO_UNDUMP removes the undump nechanism, which is needed to be able
+** to load compiled bytecode from *.lc files.
+*/
+#ifndef LUA_CROSS_COMPILER
+# define NO_DUMP
+#endif
+#define NO_UNDUMP
+
 
 /*
 @@ NO_SIGNAL removes all calls to signal() since embedded platforms don't
Index: elua/src/main.c
===================================================================
--- elua.orig/src/main.c	2011-06-03 19:06:16.738073936 +0200
+++ elua/src/main.c	2011-06-25 04:40:23.812035704 +0200
@@ -30,11 +30,15 @@
 char *boot_order[] = {
 #if defined(BUILD_MMCFS)
   "/mmc/autorun.lua",
+# ifndef NO_UNDUMP
   "/mmc/autorun.lc",
+# endif
 #endif
 #if defined(BUILD_ROMFS)
   "/rom/autorun.lua",
+# ifndef NO_UNDUMP
   "/rom/autorun.lc",
+# endif
 #endif
 };