add support for xchat-lua, but don't build by default

build/build-x86.bat

@@ -12,6 +12,9 @@ nmake -f makefile.mak
 ::cd ..\dns
 ::nmake -f makefile.mak clean
 ::nmake -f makefile.mak
+::cd ..\lua
+::nmake -f makefile.mak clean
+::nmake -f makefile.mak
 cd ..\perl
 nmake -f makefile.mak clean
 nmake -f makefile.mak

build/release-x86.bat

@@ -35,6 +35,7 @@ xcopy %SSL_BIN%\libeay32.dll %XCHAT_DEST%
 xcopy %SSL_BIN%\ssleay32.dll %XCHAT_DEST%
 ::xcopy /S /I ..\plugins\dns\xcdns.dll %XCHAT_DEST%\plugins\
 xcopy /S /I ..\plugins\ewc\xcewc.dll %XCHAT_DEST%\plugins\
+::xcopy /S /I ..\plugins\lua\xclua.dll %XCHAT_DEST%\plugins\
 xcopy /S /I ..\plugins\perl\xcperl.dll %XCHAT_DEST%\plugins\
 xcopy /S /I ..\plugins\python\xcpython.dll %XCHAT_DEST%\plugins\
 xcopy /S /I ..\plugins\tcl\xctcl.dll %XCHAT_DEST%\plugins\

plugins/lua/makefile.mak

@@ -0,0 +1,19 @@
+include "..\..\src\makeinc.mak"
+
+xclua.dll: lua.obj lua.def
+	link $(LDFLAGS) $(LIBS) /dll /out:xclua.dll /LIBPATH:$(LUAPATH)\lib $(LUALIB).lib /def:lua.def lua.obj 
+	dir xclua.dll
+
+lua.def:
+	echo EXPORTS > lua.def
+	echo xchat_plugin_init >> lua.def
+	echo xchat_plugin_deinit >> lua.def
+
+lua.obj: lua.c makefile.mak
+	cl $(CFLAGS) /Dsnprintf=g_snprintf /I.. /I$(LUAPATH)\include /I.. lua.c
+
+clean:
+	del *.obj
+	del *.dll
+	del *.exp
+	del *.lib

src/makeinc.mak

@@ -32,6 +32,7 @@ LIBS = $(LIBS) /libpath:c:/mozilla-build/build/xchat-dev32/lib gtk-win32-2.0.lib
 
 LDFLAGS = $(LDFLAGS) msvcrt_winxp.obj
 
+LUAPATH = c:\mozilla-build\lua-5.1-x86
 PERLPATH = c:\mozilla-build\perl-5.10-x86\lib\CORE
 PYTHONPATH = c:\mozilla-build\python-2.6-x86
 TCLPATH = c:\mozilla-build\tcl-8.5-x86
@@ -40,6 +41,9 @@ MMX = YES
 !endif
 #############################################################
 
+LUALIB = lua5.1
+LUAOUTPUT = xclua.dll
+
 PERLLIB = perl510
 PERLOUTPUT = xcperl.dll