Some initial work.

luprex/luajit/README

@@ -1,4 +1,11 @@
-This is a patched copy of LuaJIT 2.1.0-beta3
+Josh's notes:
+
+Each time you modify LuaJIT, you need to manually rebuild it:
+
+    prelua-build.bat
+
+This also copies the library file to the target locations.
+
 -----------------------------
 
 README for LuaJIT 2.1.0-beta3

luprex/luajit/prelua-build.bat

@@ -0,0 +1,8 @@
+cd src
+make libluajit.a
+cp libluajit.a ../../lib
+cp lua.h ../../inc
+cp luaconf.h ../../inc
+cp lauxlib.h ../../inc
+cp lualib.h ../../inc
+cp lauxlib.h ../../inc

luprex/luajit/src/Makefile

@@ -36,7 +36,8 @@ CC= $(DEFAULT_CC)
 # to slow down the C part by not omitting it. Debugging, tracebacks and
 # unwinding are not affected -- the assembler part has frame unwind
 # information and GCC emits it where needed (x64) or with -g (see CCDEBUG).
-CCOPT= -O2 -fomit-frame-pointer
+#CCOPT= -O2 -fomit-frame-pointer
+CCOPT=
 # Use this if you want to generate a smaller binary (but it's slower):
 #CCOPT= -Os -fomit-frame-pointer
 # Note: it's no longer recommended to use -O3 with GCC 4.x.
@@ -56,7 +57,7 @@ CCOPT_mips=
 #
 CCDEBUG=
 # Uncomment the next line to generate debug information:
-#CCDEBUG= -g
+CCDEBUG= -g
 #
 CCWARN= -Wall
 # Uncomment the next line to enable more warnings: