diff --git a/common.inc b/common.inc
new file mode 100644
index 0000000..c78e357
--- /dev/null
+++ b/common.inc
@@ -0,0 +1,65 @@
+# This file is part of wmake but should not be run directly.
+# It depends on other makefiles to setup variables for the target first
+# and stores only common tasks amongst all platform build processes.
+
+objs =  $(OBJDIR)$(SEP)lapi.obj      $(OBJDIR)$(SEP)lctype.obj    &
+        $(OBJDIR)$(SEP)lfunc.obj     $(OBJDIR)$(SEP)lmathlib.obj  &
+        $(OBJDIR)$(SEP)loslib.obj    $(OBJDIR)$(SEP)ltable.obj    &
+        $(OBJDIR)$(SEP)lundump.obj   $(OBJDIR)$(SEP)lauxlib.obj   &
+        $(OBJDIR)$(SEP)ldblib.obj    $(OBJDIR)$(SEP)lgc.obj       &
+        $(OBJDIR)$(SEP)lmem.obj      $(OBJDIR)$(SEP)lparser.obj   &
+        $(OBJDIR)$(SEP)ltablib.obj   $(OBJDIR)$(SEP)lutf8lib.obj  &
+        $(OBJDIR)$(SEP)lbaselib.obj  $(OBJDIR)$(SEP)ldebug.obj    &
+        $(OBJDIR)$(SEP)linit.obj     $(OBJDIR)$(SEP)loadlib.obj   &
+        $(OBJDIR)$(SEP)lstate.obj    $(OBJDIR)$(SEP)ltm.obj       &
+        $(OBJDIR)$(SEP)lvm.obj       $(OBJDIR)$(SEP)lcode.obj     &
+        $(OBJDIR)$(SEP)ldo.obj       $(OBJDIR)$(SEP)liolib.obj    &
+        $(OBJDIR)$(SEP)lobject.obj   $(OBJDIR)$(SEP)lstring.obj   &
+        $(OBJDIR)$(SEP)lzio.obj      $(OBJDIR)$(SEP)lcorolib.obj  &
+        $(OBJDIR)$(SEP)ldump.obj     $(OBJDIR)$(SEP)llex.obj      &
+        $(OBJDIR)$(SEP)lopcodes.obj  $(OBJDIR)$(SEP)lstrlib.obj
+
+lua_obj = $(OBJDIR)$(SEP)lua.obj
+luac_obj = $(OBJDIR)$(SEP)luac.obj
+
+!ifdef __UNIX__
+SEP = /
+!else
+SEP = \
+!endif
+
+BINDIR = dist$(SEP)bin
+OBJDIR = obj$(SEP)$(PLATFORM)
+SRCDIR = lua
+
+$(BINDIR)$(SEP)lua$(PLATFORM).exe: $(OBJDIR) $(BINDIR) $(objs) $(lua_obj)
+    *wlink NAME $@ $(LFLAGS) FILE {$(objs) $(lua_obj)}
+
+$(BINDIR)$(SEP)luac$(PLATFORM).exe: $(BINDIR) $(OBJDIR) $(objs) $(luac_obj)
+    *wlink NAME $@ $(LFLAGS) FILE {$(objs) $(luac_obj)}
+
+{$(SRCDIR)}.c{$(OBJDIR)}.obj:
+    $(CC) $(CFLAGS) -fo=$@ $<
+
+clean: .SYMBOLIC
+!ifdef __UNIX__
+    @!if [ -e $(OBJDIR) ]; then rm -R $(OBJDIR); fi
+    @!if [ -e $(BINDIR)lua$(PLATFORM).exe ]; then rm $(BINDIR)lua$(PLATFORM).exe; fi
+    @!if [ -e $(BINDIR)luac$(PLATFORM).exe ]; then rm $(BINDIR)luac$(PLATFORM).exe; fi
+!else # Assuming DOS 5.0 +
+    @!if exist $(BINDIR)$(SEP)lua$(PLATFORM).exe del $(BINDIR)$(SEP)lua$(PLATFORM).exe
+    @!if exist $(BINDIR)$(SEP)luac$(PLATFORM).exe del $(BINDIR)$(SEP)luac$(PLATFORM).exe
+    @!if exist $(OBJDIR)$(SEP)*.* echo Run `DEL $(OBJDIR)$(SEP)*.* && RD $(OBJDIR)` to clean compiler objects
+!endif
+
+dist:
+    mkdir dist
+
+obj:
+    mkdir obj
+
+$(BINDIR): dist
+    mkdir $(BINDIR)
+
+$(OBJDIR): obj
+    mkdir $(OBJDIR)
\ No newline at end of file
diff --git a/wm_dos16.mak b/wm_dos16.mak
index 907f395..f35bc1d 100644
--- a/wm_dos16.mak
+++ b/wm_dos16.mak
@@ -3,26 +3,6 @@
 # There are no configurable parts to this file
 # Run with `wmake -f mw_dos16.mak`
 
-objs =  $(OBJDIR)lapi.obj      $(OBJDIR)lctype.obj    &
-        $(OBJDIR)lfunc.obj     $(OBJDIR)lmathlib.obj  &
-        $(OBJDIR)loslib.obj    $(OBJDIR)ltable.obj    &
-        $(OBJDIR)lundump.obj   $(OBJDIR)lauxlib.obj   &
-        $(OBJDIR)ldblib.obj    $(OBJDIR)lgc.obj       &
-        $(OBJDIR)lmem.obj      $(OBJDIR)lparser.obj   &
-        $(OBJDIR)ltablib.obj   $(OBJDIR)lutf8lib.obj  &
-        $(OBJDIR)lbaselib.obj  $(OBJDIR)ldebug.obj    &
-        $(OBJDIR)linit.obj     $(OBJDIR)loadlib.obj   &
-        $(OBJDIR)lstate.obj    $(OBJDIR)ltm.obj       &
-        $(OBJDIR)lvm.obj       $(OBJDIR)lcode.obj     &
-        $(OBJDIR)ldo.obj       $(OBJDIR)liolib.obj    &
-        $(OBJDIR)lobject.obj   $(OBJDIR)lstring.obj   &
-        $(OBJDIR)lzio.obj      $(OBJDIR)lcorolib.obj  &
-        $(OBJDIR)ldump.obj     $(OBJDIR)llex.obj      &
-        $(OBJDIR)lopcodes.obj  $(OBJDIR)lstrlib.obj
-
-lua_obj = $(OBJDIR)lua.obj
-luac_obj = $(OBJDIR)luac.obj
-
 CC = *wcc
 
 CFLAGS = -q -bt=dos -ml -0 -d0 -osr -zc
@@ -30,48 +10,4 @@ LFLAGS = SYS dos OPT st=8192
 
 PLATFORM = 16
 
-!ifdef __UNIX__
-BINDIR = dist/bin/
-OBJDIR = obj/$(PLATFORM)/
-SRCDIR = lua/
-!else
-BINDIR = dist\bin\ #
-OBJDIR = obj\$(PLATFORM)\ #
-SRCDIR = lua\ #
-!endif
-
-$(BINDIR)lua$(PLATFORM).exe: $(OBJDIR) $(BINDIR) $(objs) $(lua_obj)
-    *wlink NAME $@ $(LFLAGS) FILE {$(objs) $(lua_obj)}
-
-$(BINDIR)luac$(PLATFORM).exe: $(BINDIR) $(OBJDIR) $(objs) $(luac_obj)
-    *wlink NAME $@ $(LFLAGS) FILE {$(objs) $(luac_obj)}
-
-{$(SRCDIR)}.c{$(OBJDIR)}.obj:
-    $(CC) $(CFLAGS) -fo=$@ $<
-
-clean: .SYMBOLIC
-!ifdef __UNIX__
-    @!if [ -e $(OBJDIR) ]; then rm -R $(OBJDIR); fi
-    @!if [ -e $(BINDIR)lua$(PLATFORM).exe ]; then rm $(BINDIR)lua$(PLATFORM).exe; fi
-    @!if [ -e $(BINDIR)luac$(PLATFORM).exe ]; then rm $(BINDIR)luac$(PLATFORM).exe; fi
-!else
-    !ifdef __NT__
-         @!if exist $(OBJDIR) rd /S /Q $(OBJDIR)
-    !else
-         @!if exist $(OBJDIR) deltree /Y $(OBJDIR)
-    !endif
-    @!if exist $(BINDIR)lua$(PLATFORM).exe del $(BINDIR)lua$(PLATFORM).exe
-    @!if exist $(BINDIR)luac$(PLATFORM).exe del $(BINDIR)luac$(PLATFORM).exe
-!endif
-
-dist:
-    mkdir dist
-
-obj:
-    mkdir obj
-
-$(BINDIR): dist
-    mkdir $(BINDIR)
-
-$(OBJDIR): obj
-    mkdir $(OBJDIR)
+!include common.inc
\ No newline at end of file
diff --git a/wm_dos4g.mak b/wm_dos4g.mak
index 4f7ce56..2cd8be3 100644
--- a/wm_dos4g.mak
+++ b/wm_dos4g.mak
@@ -3,26 +3,6 @@
 # There are no configurable parts to this file
 # Run with `wmake -f wm_dos4g.mak`
 
-objs =  $(OBJDIR)lapi.obj      $(OBJDIR)lctype.obj    &
-        $(OBJDIR)lfunc.obj     $(OBJDIR)lmathlib.obj  &
-        $(OBJDIR)loslib.obj    $(OBJDIR)ltable.obj    &
-        $(OBJDIR)lundump.obj   $(OBJDIR)lauxlib.obj   &
-        $(OBJDIR)ldblib.obj    $(OBJDIR)lgc.obj       &
-        $(OBJDIR)lmem.obj      $(OBJDIR)lparser.obj   &
-        $(OBJDIR)ltablib.obj   $(OBJDIR)lutf8lib.obj  &
-        $(OBJDIR)lbaselib.obj  $(OBJDIR)ldebug.obj    &
-        $(OBJDIR)linit.obj     $(OBJDIR)loadlib.obj   &
-        $(OBJDIR)lstate.obj    $(OBJDIR)ltm.obj       &
-        $(OBJDIR)lvm.obj       $(OBJDIR)lcode.obj     &
-        $(OBJDIR)ldo.obj       $(OBJDIR)liolib.obj    &
-        $(OBJDIR)lobject.obj   $(OBJDIR)lstring.obj   &
-        $(OBJDIR)lzio.obj      $(OBJDIR)lcorolib.obj  &
-        $(OBJDIR)ldump.obj     $(OBJDIR)llex.obj      &
-        $(OBJDIR)lopcodes.obj  $(OBJDIR)lstrlib.obj
-
-lua_obj = $(OBJDIR)lua.obj
-luac_obj = $(OBJDIR)luac.obj
-
 CC = *wcc386
 
 CFLAGS = -q -bt=dos4g -mf -3 -d0 -osr -zc
@@ -30,48 +10,4 @@ LFLAGS = SYS dos4g OPT st=8192
 
 PLATFORM = 4g
 
-!ifdef __UNIX__
-BINDIR = dist/bin/
-OBJDIR = obj/$(PLATFORM)/
-SRCDIR = lua/
-!else
-BINDIR = dist\bin\ #
-OBJDIR = obj\$(PLATFORM)\ #
-SRCDIR = lua\ #
-!endif
-
-$(BINDIR)lua$(PLATFORM).exe: $(OBJDIR) $(BINDIR) $(objs) $(lua_obj)
-    *wlink NAME $@ $(LFLAGS) FILE {$(objs) $(lua_obj)}
-
-$(BINDIR)luac$(PLATFORM).exe: $(BINDIR) $(OBJDIR) $(objs) $(luac_obj)
-    *wlink NAME $@ $(LFLAGS) FILE {$(objs) $(luac_obj)}
-
-{$(SRCDIR)}.c{$(OBJDIR)}.obj:
-    $(CC) $(CFLAGS) -fo=$@ $<
-
-clean: .SYMBOLIC
-!ifdef __UNIX__
-    @!if [ -e $(OBJDIR) ]; then rm -R $(OBJDIR); fi
-    @!if [ -e $(BINDIR)lua$(PLATFORM).exe ]; then rm $(BINDIR)lua$(PLATFORM).exe; fi
-    @!if [ -e $(BINDIR)luac$(PLATFORM).exe ]; then rm $(BINDIR)luac$(PLATFORM).exe; fi
-!else
-    !ifdef __NT__
-         @!if exist $(OBJDIR) rd /S /Q $(OBJDIR)
-    !else
-         @!if exist $(OBJDIR) deltree /Y $(OBJDIR)
-    !endif
-    @!if exist $(BINDIR)lua$(PLATFORM).exe del $(BINDIR)lua$(PLATFORM).exe
-    @!if exist $(BINDIR)luac$(PLATFORM).exe del $(BINDIR)luac$(PLATFORM).exe
-!endif
-
-dist:
-    mkdir dist
-
-obj:
-    mkdir obj
-
-$(BINDIR): dist
-    mkdir $(BINDIR)
-
-$(OBJDIR): obj
-    mkdir $(OBJDIR)
+!include common.inc
\ No newline at end of file
diff --git a/wm_os216.mak b/wm_os216.mak
index 5ecaa82..1f860ec 100644
--- a/wm_os216.mak
+++ b/wm_os216.mak
@@ -3,26 +3,6 @@
 # There are no configurable parts to this file
 # Run with `wmake -f wm_os216.mak`
 
-objs =  $(OBJDIR)lapi.obj      $(OBJDIR)lctype.obj    &
-        $(OBJDIR)lfunc.obj     $(OBJDIR)lmathlib.obj  &
-        $(OBJDIR)loslib.obj    $(OBJDIR)ltable.obj    &
-        $(OBJDIR)lundump.obj   $(OBJDIR)lauxlib.obj   &
-        $(OBJDIR)ldblib.obj    $(OBJDIR)lgc.obj       &
-        $(OBJDIR)lmem.obj      $(OBJDIR)lparser.obj   &
-        $(OBJDIR)ltablib.obj   $(OBJDIR)lutf8lib.obj  &
-        $(OBJDIR)lbaselib.obj  $(OBJDIR)ldebug.obj    &
-        $(OBJDIR)linit.obj     $(OBJDIR)loadlib.obj   &
-        $(OBJDIR)lstate.obj    $(OBJDIR)ltm.obj       &
-        $(OBJDIR)lvm.obj       $(OBJDIR)lcode.obj     &
-        $(OBJDIR)ldo.obj       $(OBJDIR)liolib.obj    &
-        $(OBJDIR)lobject.obj   $(OBJDIR)lstring.obj   &
-        $(OBJDIR)lzio.obj      $(OBJDIR)lcorolib.obj  &
-        $(OBJDIR)ldump.obj     $(OBJDIR)llex.obj      &
-        $(OBJDIR)lopcodes.obj  $(OBJDIR)lstrlib.obj
-
-lua_obj = $(OBJDIR)lua.obj
-luac_obj = $(OBJDIR)luac.obj
-
 CC = *wcc
 
 CFLAGS = -q -bt=os2 -bc -2 -ml -d0 -osr -zc
@@ -30,48 +10,4 @@ LFLAGS = SYS os2 OPT st=8192
 
 PLATFORM = 21
 
-!ifdef __UNIX__
-BINDIR = dist/bin/
-OBJDIR = obj/$(PLATFORM)/
-SRCDIR = lua/
-!else
-BINDIR = dist\bin\ #
-OBJDIR = obj\$(PLATFORM)\ #
-SRCDIR = lua\ #
-!endif
-
-$(BINDIR)lua$(PLATFORM).exe: $(OBJDIR) $(BINDIR) $(objs) $(lua_obj)
-    *wlink NAME $@ $(LFLAGS) FILE {$(objs) $(lua_obj)}
-
-$(BINDIR)luac$(PLATFORM).exe: $(BINDIR) $(OBJDIR) $(objs) $(luac_obj)
-    *wlink NAME $@ $(LFLAGS) FILE {$(objs) $(luac_obj)}
-
-{$(SRCDIR)}.c{$(OBJDIR)}.obj:
-    $(CC) $(CFLAGS) -fo=$@ $<
-
-clean: .SYMBOLIC
-!ifdef __UNIX__
-    @!if [ -e $(OBJDIR) ]; then rm -R $(OBJDIR); fi
-    @!if [ -e $(BINDIR)lua$(PLATFORM).exe ]; then rm $(BINDIR)lua$(PLATFORM).exe; fi
-    @!if [ -e $(BINDIR)luac$(PLATFORM).exe ]; then rm $(BINDIR)luac$(PLATFORM).exe; fi
-!else
-    !ifdef __NT__
-         @!if exist $(OBJDIR) rd /S /Q $(OBJDIR)
-    !else
-         @!if exist $(OBJDIR) deltree /Y $(OBJDIR)
-    !endif
-    @!if exist $(BINDIR)lua$(PLATFORM).exe del $(BINDIR)lua$(PLATFORM).exe
-    @!if exist $(BINDIR)luac$(PLATFORM).exe del $(BINDIR)luac$(PLATFORM).exe
-!endif
-
-dist:
-    mkdir dist
-
-obj:
-    mkdir obj
-
-$(BINDIR): dist
-    mkdir $(BINDIR)
-
-$(OBJDIR): obj
-    mkdir $(OBJDIR)
+!include common.inc
\ No newline at end of file
diff --git a/wm_os232.mak b/wm_os232.mak
index 09f1e4d..d1a7910 100644
--- a/wm_os232.mak
+++ b/wm_os232.mak
@@ -3,26 +3,6 @@
 # There are no configurable parts to this file
 # Run with `wmake -f wm_os232.mak`
 
-objs =  $(OBJDIR)lapi.obj      $(OBJDIR)lctype.obj    &
-        $(OBJDIR)lfunc.obj     $(OBJDIR)lmathlib.obj  &
-        $(OBJDIR)loslib.obj    $(OBJDIR)ltable.obj    &
-        $(OBJDIR)lundump.obj   $(OBJDIR)lauxlib.obj   &
-        $(OBJDIR)ldblib.obj    $(OBJDIR)lgc.obj       &
-        $(OBJDIR)lmem.obj      $(OBJDIR)lparser.obj   &
-        $(OBJDIR)ltablib.obj   $(OBJDIR)lutf8lib.obj  &
-        $(OBJDIR)lbaselib.obj  $(OBJDIR)ldebug.obj    &
-        $(OBJDIR)linit.obj     $(OBJDIR)loadlib.obj   &
-        $(OBJDIR)lstate.obj    $(OBJDIR)ltm.obj       &
-        $(OBJDIR)lvm.obj       $(OBJDIR)lcode.obj     &
-        $(OBJDIR)ldo.obj       $(OBJDIR)liolib.obj    &
-        $(OBJDIR)lobject.obj   $(OBJDIR)lstring.obj   &
-        $(OBJDIR)lzio.obj      $(OBJDIR)lcorolib.obj  &
-        $(OBJDIR)ldump.obj     $(OBJDIR)llex.obj      &
-        $(OBJDIR)lopcodes.obj  $(OBJDIR)lstrlib.obj
-
-lua_obj = $(OBJDIR)lua.obj
-luac_obj = $(OBJDIR)luac.obj
-
 CC = *wcc386
 
 CFLAGS = -q -bt=os2 -bc -3 -d0 -osr -zc
@@ -30,48 +10,4 @@ LFLAGS = SYS os2v2 OPT st=8192
 
 PLATFORM = 22
 
-!ifdef __UNIX__
-BINDIR = dist/bin/
-OBJDIR = obj/$(PLATFORM)/
-SRCDIR = lua/
-!else
-BINDIR = dist\bin\ #
-OBJDIR = obj\$(PLATFORM)\ #
-SRCDIR = lua\ #
-!endif
-
-$(BINDIR)lua$(PLATFORM).exe: $(OBJDIR) $(BINDIR) $(objs) $(lua_obj)
-    *wlink NAME $@ $(LFLAGS) FILE {$(objs) $(lua_obj)}
-
-$(BINDIR)luac$(PLATFORM).exe: $(BINDIR) $(OBJDIR) $(objs) $(luac_obj)
-    *wlink NAME $@ $(LFLAGS) FILE {$(objs) $(luac_obj)}
-
-{$(SRCDIR)}.c{$(OBJDIR)}.obj:
-    $(CC) $(CFLAGS) -fo=$@ $<
-
-clean: .SYMBOLIC
-!ifdef __UNIX__
-    @!if [ -e $(OBJDIR) ]; then rm -R $(OBJDIR); fi
-    @!if [ -e $(BINDIR)lua$(PLATFORM).exe ]; then rm $(BINDIR)lua$(PLATFORM).exe; fi
-    @!if [ -e $(BINDIR)luac$(PLATFORM).exe ]; then rm $(BINDIR)luac$(PLATFORM).exe; fi
-!else
-    !ifdef __NT__
-         @!if exist $(OBJDIR) rd /S /Q $(OBJDIR)
-    !else
-         @!if exist $(OBJDIR) deltree /Y $(OBJDIR)
-    !endif
-    @!if exist $(BINDIR)lua$(PLATFORM).exe del $(BINDIR)lua$(PLATFORM).exe
-    @!if exist $(BINDIR)luac$(PLATFORM).exe del $(BINDIR)luac$(PLATFORM).exe
-!endif
-
-dist:
-    mkdir dist
-
-obj:
-    mkdir obj
-
-$(BINDIR): dist
-    mkdir $(BINDIR)
-
-$(OBJDIR): obj
-    mkdir $(OBJDIR)
+!include common.inc
\ No newline at end of file
diff --git a/wm_winnt.mak b/wm_winnt.mak
index 86cf70d..f5a13e3 100644
--- a/wm_winnt.mak
+++ b/wm_winnt.mak
@@ -3,26 +3,6 @@
 # There are no configurable parts to this file
 # Run with `wmake -f wm_winnt.mak`
 
-objs =  $(OBJDIR)lapi.obj      $(OBJDIR)lctype.obj    &
-        $(OBJDIR)lfunc.obj     $(OBJDIR)lmathlib.obj  &
-        $(OBJDIR)loslib.obj    $(OBJDIR)ltable.obj    &
-        $(OBJDIR)lundump.obj   $(OBJDIR)lauxlib.obj   &
-        $(OBJDIR)ldblib.obj    $(OBJDIR)lgc.obj       &
-        $(OBJDIR)lmem.obj      $(OBJDIR)lparser.obj   &
-        $(OBJDIR)ltablib.obj   $(OBJDIR)lutf8lib.obj  &
-        $(OBJDIR)lbaselib.obj  $(OBJDIR)ldebug.obj    &
-        $(OBJDIR)linit.obj     $(OBJDIR)loadlib.obj   &
-        $(OBJDIR)lstate.obj    $(OBJDIR)ltm.obj       &
-        $(OBJDIR)lvm.obj       $(OBJDIR)lcode.obj     &
-        $(OBJDIR)ldo.obj       $(OBJDIR)liolib.obj    &
-        $(OBJDIR)lobject.obj   $(OBJDIR)lstring.obj   &
-        $(OBJDIR)lzio.obj      $(OBJDIR)lcorolib.obj  &
-        $(OBJDIR)ldump.obj     $(OBJDIR)llex.obj      &
-        $(OBJDIR)lopcodes.obj  $(OBJDIR)lstrlib.obj
-
-lua_obj = $(OBJDIR)lua.obj
-luac_obj = $(OBJDIR)luac.obj
-
 CC = *wcc386
 
 CFLAGS = -q -bt=nt -bc -3 -d0 -osr -zc
@@ -30,48 +10,4 @@ LFLAGS = SYS nt OPT st=8192
 
 PLATFORM = nt
 
-!ifdef __UNIX__
-BINDIR = dist/bin/
-OBJDIR = obj/$(PLATFORM)/
-SRCDIR = lua/
-!else
-BINDIR = dist\bin\ #
-OBJDIR = obj\$(PLATFORM)\ #
-SRCDIR = lua\ #
-!endif
-
-$(BINDIR)lua$(PLATFORM).exe: $(OBJDIR) $(BINDIR) $(objs) $(lua_obj)
-    *wlink NAME $@ $(LFLAGS) FILE {$(objs) $(lua_obj)}
-
-$(BINDIR)luac$(PLATFORM).exe: $(BINDIR) $(OBJDIR) $(objs) $(luac_obj)
-    *wlink NAME $@ $(LFLAGS) FILE {$(objs) $(luac_obj)}
-
-{$(SRCDIR)}.c{$(OBJDIR)}.obj:
-    $(CC) $(CFLAGS) -fo=$@ $<
-
-clean: .SYMBOLIC
-!ifdef __UNIX__
-    @!if [ -e $(OBJDIR) ]; then rm -R $(OBJDIR); fi
-    @!if [ -e $(BINDIR)lua$(PLATFORM).exe ]; then rm $(BINDIR)lua$(PLATFORM).exe; fi
-    @!if [ -e $(BINDIR)luac$(PLATFORM).exe ]; then rm $(BINDIR)luac$(PLATFORM).exe; fi
-!else
-    !ifdef __NT__
-         @!if exist $(OBJDIR) rd /S /Q $(OBJDIR)
-    !else
-         @!if exist $(OBJDIR) deltree /Y $(OBJDIR)
-    !endif
-    @!if exist $(BINDIR)lua$(PLATFORM).exe del $(BINDIR)lua$(PLATFORM).exe
-    @!if exist $(BINDIR)luac$(PLATFORM).exe del $(BINDIR)luac$(PLATFORM).exe
-!endif
-
-dist:
-    mkdir dist
-
-obj:
-    mkdir obj
-
-$(BINDIR): dist
-    mkdir $(BINDIR)
-
-$(OBJDIR): obj
-    mkdir $(OBJDIR)
+!include common.inc