Lunatic: prepare Makefiles for synthesis build.

- libs and headers are expected in platform/Windows/* (not there yet)
- prefix Lua #includes with luajit-2.0/
- build bytecode objects with absolute path name (used for debug info)

git-svn-id: https://svn.eduke32.com/eduke32@4000 1a8010ca-5511-0410-912e-c29ae57300e0

polymer/eduke32/Makefile

@@ -443,12 +443,15 @@ ivfrate$(EXESUFFIX): $(OBJ)/ivfrate.$o
 #### Lunatic
 
 # Create object files directly with luajit
-$(OBJ)/luaJIT_BC_%.$o: $(SRC)/lunatic/%.lua
+$(OBJ)/luaJIT_BC_%.$o: $(MAKEFILE_COMMON_DIR)/source/lunatic/%.lua
 	$(COMPILE_STATUS)
 	if $(LUAJIT) -bg $< $@; then $(COMPILE_OK); else $(COMPILE_FAILED); fi
 
 # Same thing for defs.ilua which I'm too reluctant to rename now:
-$(OBJ)/luaJIT_BC_%.$o: $(SRC)/lunatic/%.ilua
+# NOTE: The target path must match EXACTLY with that of the DEFS_BC_SIZE
+# determination in Makefile.common, because it is embedded into the bytecode as
+# debugging information.
+$(OBJ)/luaJIT_BC_%.$o: $(MAKEFILE_COMMON_DIR)/source/lunatic/%.ilua
 	if $(LUAJIT) -bg $< $@; then $(COMPILE_OK); else $(COMPILE_FAILED); fi
 
 $(OBJ)/%.$o: $(SRC)/lunatic/%.c

polymer/eduke32/Makefile.common

@@ -2,7 +2,8 @@
 ## common definitions for Makefile, build/Makefile, source/enet/Makefile and
 ## source/jaudiolib/Makefile
 
-MAKEFILE_COMMON:=$(lastword $(MAKEFILE_LIST))
+# NOTE: make's 'dir' function keeps a trailing shash, the 'abspath' does not!
+MAKEFILE_COMMON_DIR:=$(abspath $(dir $(lastword $(MAKEFILE_LIST))))
 
 # Use colored output
 PRETTY_OUTPUT ?= 1
@@ -426,14 +427,14 @@ endif
 
 # Set up target-specific headers and libs that work across all Makefiles
 ifeq ($(PLATFORM),WINDOWS)
-    BASELIBDIRS+= -L$(abspath $(dir $(MAKEFILE_COMMON))platform/Windows/lib$(WINLIB))
-    BASECOMMONFLAGS+= -I$(abspath $(dir $(MAKEFILE_COMMON))platform/Windows/include)
+    BASELIBDIRS+= -L$(abspath $(MAKEFILE_COMMON_DIR)/platform/Windows/lib$(WINLIB))
+    BASECOMMONFLAGS+= -I$(abspath $(MAKEFILE_COMMON_DIR)/platform/Windows/include)
 endif
 ifeq ($(PLATFORM),DARWIN)
     # include port and brew
-    BASELIBDIRS+= -L$(abspath $(dir $(MAKEFILE_COMMON))platform/Apple/lib) \
+    BASELIBDIRS+= -L$(abspath $(MAKEFILE_COMMON_DIR)/platform/Apple/lib) \
         -L/opt/local/lib -L/usr/local/lib
-    BASECOMMONFLAGS+= -I$(abspath $(dir $(MAKEFILE_COMMON))platform/Apple/include) \
+    BASECOMMONFLAGS+= -I$(abspath $(MAKEFILE_COMMON_DIR)/platform/Apple/include) \
         -I/opt/local/include -I/sw/include -I/usr/local/include
 endif
 ifeq ($(PLATFORM),GCW)
@@ -445,25 +446,18 @@ endif
 
 #### Lunatic development
 # LuaJIT standalone interpreter executable:
-LUAJIT=luajit
-# for LJ headers:
-LUAJIT_WIN_SRC:= f:/g/mod/luajit-2.0/src
+LUAJIT:=luajit
 
 ifneq ($(LUNATIC),0)
     # FIXME: Lunatic doesn't build with inlining because of wacky include
     # chains!
     override DISABLEINLINING=1
 
-    ifeq ($(PLATFORM),WINDOWS)
-        BASECOMMONFLAGS+= -I$(LUAJIT_WIN_SRC)
-    else
-        BASECOMMONFLAGS+= -I/usr/local/include/luajit-2.0
-    endif
-    BASECOMMONFLAGS+= -I$(SRC)/lunatic -DLUNATIC
+    BASECOMMONFLAGS+= -I$(MAKEFILE_COMMON_DIR)/source/lunatic -DLUNATIC
 
     # Determine size of defs.ilua bytecode once.
     ifndef DEFS_BC_SIZE
-        DEFS_BC_SIZE := $(shell $(LUAJIT) -bg -t h source/lunatic/defs.ilua -)
+        DEFS_BC_SIZE := $(shell $(LUAJIT) -bg -t h $(MAKEFILE_COMMON_DIR)/source/lunatic/defs.ilua -)
         DEFS_BC_SIZE := $(word 3, $(DEFS_BC_SIZE))
         # Pass the bytecode size to the sub-makes, too.
         export DEFS_BC_SIZE

polymer/eduke32/build/include/lunatic.h

@@ -3,7 +3,7 @@
 #ifndef ENGINE_LUNATIC_H_
 #define ENGINE_LUNATIC_H_
 
-#include <lua.h>
+#include <luajit-2.0/lua.h>
 
 
 typedef struct

polymer/eduke32/build/src/lunatic.c

@@ -1,8 +1,8 @@
 /* The Lunatic Interpreter, part of EDuke32. Common, engine-side stuff. */
 
-#include <lua.h>
-#include <lualib.h>
-#include <lauxlib.h>
+#include <luajit-2.0/lua.h>
+#include <luajit-2.0/lualib.h>
+#include <luajit-2.0/lauxlib.h>
 
 #include "cache1d.h"
 #include "osd.h"

polymer/eduke32/source/lunatic/lunatic_game.c

@@ -5,8 +5,8 @@
 #include <errno.h>
 #include <string.h>  // strerror
 
-#include <lualib.h>
-#include <lauxlib.h>
+#include <luajit-2.0/lualib.h>
+#include <luajit-2.0/lauxlib.h>
 
 #include "build.h"  // printext256
 

polymer/eduke32/source/lunatic/lunatic_m32.c

@@ -1,6 +1,6 @@
 /* The Lunatic Interpreter, part of EDuke32. Editor stuff. */
 
-#include <lualib.h>
+#include <luajit-2.0/lualib.h>
 
 #include "lunatic_m32.h"