Make compiling the lua interpreter optional.

diff --git a/sys/winnt/Makefile.gcc b/sys/winnt/Makefile.gcc
index 785f011ccb61a4a4904cb587cf369e757b5d9fda..398e170531264ac6026f2aa420b60343966ea729 100644 (file)
--- a/sys/winnt/Makefile.gcc
+++ b/sys/winnt/Makefile.gcc
@@ -143,10 +143,26 @@ endif
 #    successfully build NetHack-3.7.
 #
 # By default we add lua to the build.
+#
 ifndef ADD_LUA
 ADD_LUA=Y
 LUATOP=../submodules/lua
 endif
+
+#---------------------------------------------------------------
+# Standalone LUA interpreter
+#
+# The source for the standalone interpreter (luac.c) is not kept with the
+# rest of the LUA source.
+# The source is kept at:
+#     https://github.com/lua/luac
+#
+# By default we will not build it.
+#
+ifndef WANT_LUAC
+WANT_LUAC=N
+endif
+
 #
 #==============================================================================
 # This marks the end of the BUILD DECISIONS section.
@@ -430,7 +446,11 @@ LUALIB   = $(O)lua-$(LUAVER).static.a
 LUADLL   = $(O)lua-$(LUAVER).a
 LUAINCL  = -I$(LUASRC)
 #LUAFLAGS = unix added -lm here?
+ifeq "$(WANT_LUAC)" "Y"
 LUATARGETS = lua.exe luac.exe $(LUADLL) $(LUALIB)
+else
+LUATARGETS = lua.exe $(LUADLL) $(LUALIB)
+endif
 
 LUASRCFILES =   lapi.c lauxlib.c lbaselib.c lcode.c    \
                lcorolib.c lctype.c ldblib.c ldebug.c ldo.c      \