Added 'lua' and 'luac' helper rules to wmake files.

Author: Lethja

common.inc

@@ -33,9 +33,16 @@ OBJDIR = obj$(SEP)$(PLATFORM)
 SRCDIR = lua
 
 help: .SYMBOLIC
-    @!echo "Build the standard Lua interpreter:      $(BINDIR)$(SEP)LUA$(PLATFORM)$(SUFFIX)"
-    @!echo "Build the experimental JIT interpreter:  $(BINDIR)$(SEP)LUAC$(PLATFORM)$(SUFFIX)"
-    @!echo "Clean all previous builds:               clean"
+    @!echo
+    @!echo "Parameters:"
+    @!echo "  clean - Clean all previous build files (in $(OBJDIR) and $(BINDIR)$(SEP)LUA$(PLATFORM) directories)"
+    @!echo "  lua   - Build the Lua interpreter ($(BINDIR)$(SEP)LUA$(PLATFORM)$(SUFFIX))"
+    @!echo "  luac  - Build the Lua bytecode compiler ($(BINDIR)$(SEP)LUAC$(PLATFORM)$(SUFFIX))"
+    @!echo
+
+lua: $(BINDIR)$(SEP)LUA$(PLATFORM)$(SUFFIX)
+
+luac: $(BINDIR)$(SEP)LUAC$(PLATFORM)$(SUFFIX)
 
 $(BINDIR)$(SEP)LUA$(PLATFORM)$(SUFFIX): $(OBJDIR) $(BINDIR) $(objs) $(lua_obj) $(XTRA)
     *wlink NAME $@ $(LFLAGS) FILE {$(objs) $(lua_obj)}
@@ -74,4 +81,4 @@ $(BINDIR): dist
     mkdir $(BINDIR)
 
 $(OBJDIR): obj
-    mkdir $(OBJDIR)
+    mkdir $(OBJDIR)