diff --git a/configure.ac b/configure.ac
index 19970171..21052670 100644
--- a/configure.ac
+++ b/configure.ac
@@ -88,7 +88,7 @@ AC_CHECK_HEADERS(cxxabi.h)
 AC_LANG_POP(C++)
 
 dnl  Common C functions
-AC_CHECK_FUNCS(getcwd _getcwd backtrace_symbols)
+AC_CHECK_FUNCS(getenv getcwd _getcwd backtrace_symbols)
 
 
 if test "${enable_debug}" = "yes"; then
diff --git a/src/lua/lapi.c b/src/lua/lapi.c
index 1854fe61..154be02d 100644
--- a/src/lua/lapi.c
+++ b/src/lua/lapi.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <stdarg.h>
 #include <string.h>
diff --git a/src/lua/lauxlib.c b/src/lua/lauxlib.c
index 36ae7e62..feee6603 100644
--- a/src/lua/lauxlib.c
+++ b/src/lua/lauxlib.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <errno.h>
 #include <stdarg.h>
diff --git a/src/lua/lbaselib.c b/src/lua/lbaselib.c
index dbfcb02c..e52f3f92 100644
--- a/src/lua/lbaselib.c
+++ b/src/lua/lbaselib.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 
 #include <ctype.h>
diff --git a/src/lua/lbitlib.c b/src/lua/lbitlib.c
index 7533b85c..361556a5 100644
--- a/src/lua/lbitlib.c
+++ b/src/lua/lbitlib.c
@@ -4,6 +4,10 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
+
 #define lbitlib_c
 #define LUA_LIB
 
diff --git a/src/lua/lcode.c b/src/lua/lcode.c
index 614e452f..bcc0bdad 100644
--- a/src/lua/lcode.c
+++ b/src/lua/lcode.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <stdlib.h>
 
diff --git a/src/lua/lcorolib.c b/src/lua/lcorolib.c
index c7932d90..eef4447e 100644
--- a/src/lua/lcorolib.c
+++ b/src/lua/lcorolib.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <stdlib.h>
 
diff --git a/src/lua/lctype.c b/src/lua/lctype.c
index 55e433a5..74729150 100644
--- a/src/lua/lctype.c
+++ b/src/lua/lctype.c
@@ -4,6 +4,10 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
+
 #define lctype_c
 #define LUA_CORE
 
diff --git a/src/lua/ldblib.c b/src/lua/ldblib.c
index c0226945..7553814b 100644
--- a/src/lua/ldblib.c
+++ b/src/lua/ldblib.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/src/lua/ldebug.c b/src/lua/ldebug.c
index 43f8f046..6de67128 100644
--- a/src/lua/ldebug.c
+++ b/src/lua/ldebug.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <stdarg.h>
 #include <stddef.h>
diff --git a/src/lua/ldo.c b/src/lua/ldo.c
index d18e33cd..ecd69b3d 100644
--- a/src/lua/ldo.c
+++ b/src/lua/ldo.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <setjmp.h>
 #include <stdlib.h>
diff --git a/src/lua/ldump.c b/src/lua/ldump.c
index d5e6a47c..2a722720 100644
--- a/src/lua/ldump.c
+++ b/src/lua/ldump.c
@@ -4,6 +4,10 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
+
 #include <stddef.h>
 
 #define ldump_c
diff --git a/src/lua/lfunc.c b/src/lua/lfunc.c
index 4fd27fe5..5fa15e09 100644
--- a/src/lua/lfunc.c
+++ b/src/lua/lfunc.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <stddef.h>
 
diff --git a/src/lua/lgc.c b/src/lua/lgc.c
index 06f972a7..efeedd00 100644
--- a/src/lua/lgc.c
+++ b/src/lua/lgc.c
@@ -4,6 +4,10 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
+
 #include <string.h>
 
 #define lgc_c
diff --git a/src/lua/linit.c b/src/lua/linit.c
index 8d3aa657..a62aeeca 100644
--- a/src/lua/linit.c
+++ b/src/lua/linit.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 /*
 ** If you embed Lua in your program and need to open the standard
diff --git a/src/lua/liolib.c b/src/lua/liolib.c
index 4814aa2c..568db36d 100644
--- a/src/lua/liolib.c
+++ b/src/lua/liolib.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 /*
 ** POSIX idiosyncrasy!
diff --git a/src/lua/llex.c b/src/lua/llex.c
index c4d8c65b..6119f70f 100644
--- a/src/lua/llex.c
+++ b/src/lua/llex.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <locale.h>
 #include <string.h>
diff --git a/src/lua/lmathlib.c b/src/lua/lmathlib.c
index c3c605e8..3cbc66a8 100644
--- a/src/lua/lmathlib.c
+++ b/src/lua/lmathlib.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <stdlib.h>
 #include <math.h>
diff --git a/src/lua/lmem.c b/src/lua/lmem.c
index 3f88496e..1821d618 100644
--- a/src/lua/lmem.c
+++ b/src/lua/lmem.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <stddef.h>
 
diff --git a/src/lua/loadlib.c b/src/lua/loadlib.c
index a9959277..0c9cd185 100644
--- a/src/lua/loadlib.c
+++ b/src/lua/loadlib.c
@@ -8,6 +8,9 @@
 ** systems.
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 /*
 ** if needed, includes windows header before everything else
@@ -636,9 +639,13 @@ static int noenv (lua_State *L) {
 
 static void setpath (lua_State *L, const char *fieldname, const char *envname1,
                                    const char *envname2, const char *def) {
+#if HAVE_GETENV // LOL BEGIN
   const char *path = getenv(envname1);
   if (path == NULL)  /* no environment variable? */
     path = getenv(envname2);  /* try alternative name */
+#else
+  const char *path = NULL;
+#endif // LOL END
   if (path == NULL || noenv(L))  /* no environment variable? */
     lua_pushstring(L, def);  /* use default */
   else {
diff --git a/src/lua/lobject.c b/src/lua/lobject.c
index cf0f7544..aceea74c 100644
--- a/src/lua/lobject.c
+++ b/src/lua/lobject.c
@@ -4,6 +4,10 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
+
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/src/lua/lopcodes.c b/src/lua/lopcodes.c
index ef736927..b13e5018 100644
--- a/src/lua/lopcodes.c
+++ b/src/lua/lopcodes.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #define lopcodes_c
 #define LUA_CORE
diff --git a/src/lua/loslib.c b/src/lua/loslib.c
index 489755b6..2c7b0989 100644
--- a/src/lua/loslib.c
+++ b/src/lua/loslib.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <errno.h>
 #include <locale.h>
@@ -114,7 +117,11 @@ static int os_tmpname (lua_State *L) {
 
 
 static int os_getenv (lua_State *L) {
+#if HAVE_GETENV // LOL BEGIN
   lua_pushstring(L, getenv(luaL_checkstring(L, 1)));  /* if NULL push nil */
+#else
+  lua_pushstring(L, NULL);
+#endif // LOL END
   return 1;
 }
 
diff --git a/src/lua/lparser.c b/src/lua/lparser.c
index b3eb3ca9..cba91c09 100644
--- a/src/lua/lparser.c
+++ b/src/lua/lparser.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <string.h>
 
diff --git a/src/lua/lstate.c b/src/lua/lstate.c
index 3c00c285..bbb4faf4 100644
--- a/src/lua/lstate.c
+++ b/src/lua/lstate.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <stddef.h>
 #include <string.h>
diff --git a/src/lua/lstring.c b/src/lua/lstring.c
index 8b959f19..88cbc4c0 100644
--- a/src/lua/lstring.c
+++ b/src/lua/lstring.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <string.h>
 
diff --git a/src/lua/lstrlib.c b/src/lua/lstrlib.c
index e13098bb..7d8bdc79 100644
--- a/src/lua/lstrlib.c
+++ b/src/lua/lstrlib.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <ctype.h>
 #include <stddef.h>
diff --git a/src/lua/ltable.c b/src/lua/ltable.c
index ffa5ecb3..f966bab0 100644
--- a/src/lua/ltable.c
+++ b/src/lua/ltable.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 /*
 ** Implementation of tables (aka arrays, objects, or hash tables).
diff --git a/src/lua/ltablib.c b/src/lua/ltablib.c
index a52add03..85b401ed 100644
--- a/src/lua/ltablib.c
+++ b/src/lua/ltablib.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <stddef.h>
 
diff --git a/src/lua/ltm.c b/src/lua/ltm.c
index e70006dd..272f9e37 100644
--- a/src/lua/ltm.c
+++ b/src/lua/ltm.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <string.h>
 
diff --git a/src/lua/lua.c b/src/lua/lua.c
index cfa16ecb..c1b03112 100644
--- a/src/lua/lua.c
+++ b/src/lua/lua.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #if 0 // LOL BEGIN
 #include <signal.h>
diff --git a/src/lua/luac.c b/src/lua/luac.c
index 5081836d..3e3be8db 100644
--- a/src/lua/luac.c
+++ b/src/lua/luac.c
@@ -4,6 +4,10 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
+
 #include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/src/lua/lundump.c b/src/lua/lundump.c
index 54de011a..35bcd85e 100644
--- a/src/lua/lundump.c
+++ b/src/lua/lundump.c
@@ -4,6 +4,10 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
+
 #include <string.h>
 
 #define lundump_c
diff --git a/src/lua/lvm.c b/src/lua/lvm.c
index b77eac26..73e490a9 100644
--- a/src/lua/lvm.c
+++ b/src/lua/lvm.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/src/lua/lzio.c b/src/lua/lzio.c
index 8b77054e..862caac9 100644
--- a/src/lua/lzio.c
+++ b/src/lua/lzio.c
@@ -4,6 +4,9 @@
 ** See Copyright Notice in lua.h
 */
 
+#if defined HAVE_CONFIG_H // LOL BEGIN
+#   include "config.h"
+#endif // LOL END
 
 #include <string.h>