define PREPROCESS_LUA
# Wrap the LUA source code into a string, using the thorn name and
# file name to create a variable name, and create a C file
#    for i in `perl -n -e 'if (\$_=~/function +([^ (]*)/) { print "\$1 "; }' $^`; do \
#      echo 'char const *const Lua_function_$(THORN)_\$i = Lua_source_$(THORN)_$*; \
#    done                                                                          \
#
{                                                      \
    echo 'char const *const Lua_source_$(THORN)_$* ='; \
    sed -e 's/\\/\\\\/g;s/"/\\"/g;s/\(.*\)/"\1\\n"/g'; \
    echo ';';                                          \
    for i in `sed -e 's:FILENAME:$^:' /home/knarf/Cactus/arrangements/ExternalLibraries/lua/src/findluafuns.lua | /home/knarf/Cactus/configs/lua/scratch/external/lua/bin/lua -`; do \
      echo "const char *Lua_function_$(THORN)_$$i = Lua_source_$(THORN)_$*;"; \
    done                                                                            \
} < $^ > $(notdir $<).cpp
endef

define COMPILE_LUA
# Basically a C compile, but with a different source file name
current_wd=`$(GET_WD)` ; cd $(SCRATCH_BUILD) ; $(CXX) $(CPPFLAGS) $(CXXFLAGS) $(CCOMPILEONLY)$(OPTIONSEP)$$current_wd$(DIRSEP)$@ $$current_wd$(DIRSEP)$(notdir $<).cpp $(INCLUDE_LINE) $(EXTRA_DEFINES:%=-D%) -DCCODE
endef

%.lua.o: $(SRCDIR)/%.lua
	$(NOTIFY_PREPROCESSING)
	$(PREPROCESS_LUA)
	$(NOTIFY_COMPILING)
	$(COMPILE_LUA)