diff --git a/Makefile.in b/Makefile.in
index 3743d787..e47e764b 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -43,6 +43,8 @@ PERL		= perl
 PERLFLAGS	= -I$(top_srcdir)/perllib -I$(srcdir)
 RUNPERL         = $(PERL) $(PERLFLAGS)
 
+EMPTY		= : >
+
 PYTHON3		= python3
 
 INSTALL		= @INSTALL@
@@ -157,6 +159,7 @@ LIBOBJ_NW = stdlib/snprintf.$(O) stdlib/vsnprintf.$(O) stdlib/strlcpy.$(O) \
 
 # Warnings depend on all source files, so handle them separately
 WARNOBJ   = asm/warnings.$(O)
+WARNFILES = asm/warnings_c.h include/warnings.h doc/warnings.src
 
 LIBOBJ    = $(LIBOBJ_NW) $(WARNOBJ)
 ALLOBJ_NW = $(PROGOBJ) $(LIBOBJ_NW)
@@ -186,6 +189,10 @@ nasm$(X): $(NASM) $(MANIFEST) $(NASMLIB)
 ndisasm$(X): $(NDISASM) $(MANIFEST) $(NASMLIB)
 	$(CC) $(ALL_LDFLAGS) -o ndisasm$(X) $^ $(LIBS)
 
+# These are specific to certain Makefile syntaxes...
+WARNTIMES = $(WARNFILES:=.time)
+WARNSRCS  = $(LIBOBJ_NW:.$(O)=.c)
+
 #-- Begin Generated File Rules --#
 
 # These source files are automagically generated from data files using
@@ -279,33 +286,31 @@ x86/regs.h: x86/regs.dat x86/regs.pl
 # reasonable, but doesn't update the time stamp if the files aren't
 # changed, to avoid rebuilding everything every time. Track the actual
 # dependency by the empty file asm/warnings.time.
-WARNFILES = asm/warnings_c.h include/warnings.h doc/warnings.src
-
 warnings:
-	$(RM_F) $(WARNFILES) $(WARNFILES:=.time)
+	$(RM_F) $(WARNFILES) $(WARNTIMES)
 	$(MAKE) asm/warnings.time
 
 asm/warnings.time: $(ALLOBJ_NW:.$(O)=.c)
-	: > asm/warnings.time
-	$(MAKE) $(WARNFILES:=.time)
+	$(EMPTY) asm/warnings.time
+	$(MAKE) $(WARNTIMES)
 
 asm/warnings_c.h.time: asm/warnings.pl asm/warnings.time
 	$(RUNPERL) $(srcdir)/asm/warnings.pl c asm/warnings_c.h $(srcdir)
-	: > asm/warnings_c.h.time
+	$(EMPTY) asm/warnings_c.h.time
 
 asm/warnings_c.h: asm/warnings_c.h.time
 	@: Side effect
 
 include/warnings.h.time: asm/warnings.pl asm/warnings.time
 	$(RUNPERL) $(srcdir)/asm/warnings.pl h include/warnings.h $(srcdir)
-	: > include/warnings.h.time
+	$(EMPTY) include/warnings.h.time
 
 include/warnings.h: include/warnings.h.time
 	@: Side effect
 
 doc/warnings.src.time: asm/warnings.pl asm/warnings.time
 	$(RUNPERL) $(srcdir)/asm/warnings.pl doc doc/warnings.src $(srcdir)
-	: > doc/warnings.src.time
+	$(EMPTY) doc/warnings.src.time
 
 doc/warnings.src : doc/warnings.src.time
 	@: Side effect
diff --git a/Mkfiles/msvc.mak b/Mkfiles/msvc.mak
index f030b85e..c655c7eb 100644
--- a/Mkfiles/msvc.mak
+++ b/Mkfiles/msvc.mak
@@ -22,17 +22,16 @@ MANIFEST_FLAGS  = /MANIFEST:EMBED /MANIFESTFILE:$(MANIFEST)
 
 !IF "$(DEBUG)" == "1"
 CFLAGS		= /Od /Zi
-LDFLAGS		= /DEBUG $(MANIFEST_FLAGS)
+LDFLAGS		= /DEBUG
 !ELSE
 CFLAGS		= /O2 /Zi
  # /OPT:REF and /OPT:ICF two undo /DEBUG harm
-LDFLAGS		= /DEBUG /OPT:REF /OPT:ICF $(MANIFEST_FLAGS)
+LDFLAGS		= /DEBUG /OPT:REF /OPT:ICF
 !ENDIF
 
 CC		= cl
 AR		= lib
-CFLAGS		= $(CFLAGS) /W2
-BUILD_CFLAGS	= $(CFLAGS)
+BUILD_CFLAGS	= $(CFLAGS) /W2
 INTERNAL_CFLAGS = /I$(srcdir) /I. \
 		  /I$(srcdir)/include /I./include \
 		  /I$(srcdir)/x86 /I./x86 \
@@ -40,7 +39,8 @@ INTERNAL_CFLAGS = /I$(srcdir) /I. \
 		  /I$(srcdir)/disasm /I./disasm \
 		  /I$(srcdir)/output /I./output
 ALL_CFLAGS	= $(BUILD_CFLAGS) $(INTERNAL_CFLAGS)
-LDFLAGS		= /link $(LINKFLAGS) /SUBSYSTEM:CONSOLE /RELEASE
+MANIFEST_FLAGS  = /MANIFEST:EMBED /MANIFESTINPUT:$(MANIFEST)
+ALL_LDFLAGS	= /link $(LDFLAGS) $(MANIFEST_FLAGS) /SUBSYSTEM:CONSOLE /RELEASE
 LIBS		=
 
 PERL		= perl
@@ -57,7 +57,7 @@ O               = obj
 A		= lib
 X               = .exe
 .SUFFIXES:
-.SUFFIXES: $(X) .$(A) .$(O) .c .i .s .1 .man
+.SUFFIXES: $(X) .$(A) .obj .c .i .s .1 .man
 
 .c.obj:
 	$(CC) /c $(ALL_CFLAGS) /Fo$@ $<
@@ -66,61 +66,62 @@ MANIFEST = win/manifest.xml
 
 #-- Begin File Lists --#
 # Edit in Makefile.in, not here!
-NASM    = asm\nasm.$(O)
-NDISASM = disasm\ndisasm.$(O)
+NASM    = asm\nasm.obj
+NDISASM = disasm\ndisasm.obj
 
 PROGOBJ = $(NASM) $(NDISASM)
 PROGS   = nasm$(X) ndisasm$(X)
 
-LIBOBJ_NW = stdlib\snprintf.$(O) stdlib\vsnprintf.$(O) stdlib\strlcpy.$(O) \
-	stdlib\strnlen.$(O) stdlib\strrchrnul.$(O) \
+LIBOBJ_NW = stdlib\snprintf.obj stdlib\vsnprintf.obj stdlib\strlcpy.obj \
+	stdlib\strnlen.obj stdlib\strrchrnul.obj \
 	\
-	nasmlib\ver.$(O) \
-	nasmlib\alloc.$(O) nasmlib\asprintf.$(O) nasmlib\errfile.$(O) \
-	nasmlib\crc32.$(O) nasmlib\crc64.$(O) nasmlib\md5c.$(O) \
-	nasmlib\string.$(O) nasmlib\nctype.$(O) \
-	nasmlib\file.$(O) nasmlib\mmap.$(O) nasmlib\ilog2.$(O) \
-	nasmlib\realpath.$(O) nasmlib\path.$(O) \
-	nasmlib\filename.$(O) nasmlib\rlimit.$(O) \
-	nasmlib\readnum.$(O) nasmlib\numstr.$(O) \
-	nasmlib\zerobuf.$(O) nasmlib\bsi.$(O) \
-	nasmlib\rbtree.$(O) nasmlib\hashtbl.$(O) \
-	nasmlib\raa.$(O) nasmlib\saa.$(O) \
-	nasmlib\strlist.$(O) \
-	nasmlib\perfhash.$(O) nasmlib\badenum.$(O) \
+	nasmlib\ver.obj \
+	nasmlib\alloc.obj nasmlib\asprintf.obj nasmlib\errfile.obj \
+	nasmlib\crc32.obj nasmlib\crc64.obj nasmlib\md5c.obj \
+	nasmlib\string.obj nasmlib\nctype.obj \
+	nasmlib\file.obj nasmlib\mmap.obj nasmlib\ilog2.obj \
+	nasmlib\realpath.obj nasmlib\path.obj \
+	nasmlib\filename.obj nasmlib\rlimit.obj \
+	nasmlib\readnum.obj nasmlib\numstr.obj \
+	nasmlib\zerobuf.obj nasmlib\bsi.obj \
+	nasmlib\rbtree.obj nasmlib\hashtbl.obj \
+	nasmlib\raa.obj nasmlib\saa.obj \
+	nasmlib\strlist.obj \
+	nasmlib\perfhash.obj nasmlib\badenum.obj \
 	\
-	common\common.$(O) \
+	common\common.obj \
 	\
-	x86\insnsa.$(O) x86\insnsb.$(O) x86\insnsd.$(O) x86\insnsn.$(O) \
-	x86\regs.$(O) x86\regvals.$(O) x86\regflags.$(O) x86\regdis.$(O) \
-	x86\disp8.$(O) x86\iflag.$(O) \
+	x86\insnsa.obj x86\insnsb.obj x86\insnsd.obj x86\insnsn.obj \
+	x86\regs.obj x86\regvals.obj x86\regflags.obj x86\regdis.obj \
+	x86\disp8.obj x86\iflag.obj \
 	\
-	asm\error.$(O) \
-	asm\floats.$(O) \
-	asm\directiv.$(O) asm\directbl.$(O) \
-	asm\pragma.$(O) \
-	asm\assemble.$(O) asm\labels.$(O) asm\parser.$(O) \
-	asm\preproc.$(O) asm\quote.$(O) asm\pptok.$(O) \
-	asm\listing.$(O) asm\eval.$(O) asm\exprlib.$(O) asm\exprdump.$(O) \
-	asm\stdscan.$(O) \
-	asm\strfunc.$(O) asm\tokhash.$(O) \
-	asm\segalloc.$(O) \
-	asm\rdstrnum.$(O) \
-	asm\srcfile.$(O) \
-	macros\macros.$(O) \
+	asm\error.obj \
+	asm\floats.obj \
+	asm\directiv.obj asm\directbl.obj \
+	asm\pragma.obj \
+	asm\assemble.obj asm\labels.obj asm\parser.obj \
+	asm\preproc.obj asm\quote.obj asm\pptok.obj \
+	asm\listing.obj asm\eval.obj asm\exprlib.obj asm\exprdump.obj \
+	asm\stdscan.obj \
+	asm\strfunc.obj asm\tokhash.obj \
+	asm\segalloc.obj \
+	asm\rdstrnum.obj \
+	asm\srcfile.obj \
+	macros\macros.obj \
 	\
-	output\outform.$(O) output\outlib.$(O) output\legacy.$(O) \
-	output\nulldbg.$(O) output\nullout.$(O) \
-	output\outbin.$(O) output\outaout.$(O) output\outcoff.$(O) \
-	output\outelf.$(O) \
-	output\outobj.$(O) output\outas86.$(O) \
-	output\outdbg.$(O) output\outieee.$(O) output\outmacho.$(O) \
-	output\codeview.$(O) \
+	output\outform.obj output\outlib.obj output\legacy.obj \
+	output\nulldbg.obj output\nullout.obj \
+	output\outbin.obj output\outaout.obj output\outcoff.obj \
+	output\outelf.obj \
+	output\outobj.obj output\outas86.obj \
+	output\outdbg.obj output\outieee.obj output\outmacho.obj \
+	output\codeview.obj \
 	\
-	disasm\disasm.$(O) disasm\sync.$(O)
+	disasm\disasm.obj disasm\sync.obj
 
 # Warnings depend on all source files, so handle them separately
-WARNOBJ   = asm\warnings.$(O)
+WARNOBJ   = asm\warnings.obj
+WARNFILES = asm\warnings_c.h include\warnings.h doc\warnings.src
 
 LIBOBJ    = $(LIBOBJ_NW) $(WARNOBJ)
 ALLOBJ_NW = $(PROGOBJ) $(LIBOBJ_NW)
@@ -136,14 +137,18 @@ NASMLIB = libnasm.$(A)
 all: nasm$(X) ndisasm$(X)
 
 nasm$(X): $(NASM) $(MANIFEST) $(NASMLIB)
-	$(CC) /Fe$@ $(NASM) $(LDFLAGS) $(NASMLIB) $(LIBS)
+	$(CC) /Fe$@ $(NASM) $(ALL_LDFLAGS) $(NASMLIB) $(LIBS)
 
 ndisasm$(X): $(NDISASM) $(MANIFEST) $(NASMLIB)
-	$(CC) /Fe$@ $(NDISASM) $(LDFLAGS) $(NASMLIB) $(LIBS)
+	$(CC) /Fe$@ $(NDISASM) $(ALL_LDFLAGS) $(NASMLIB) $(LIBS)
 
 $(NASMLIB): $(LIBOBJ)
 	$(AR) $(ARFLAGS) /OUT:$@ $**
 
+# These are specific to certain Makefile syntaxes...
+WARNTIMES = $(patsubst %,%.time,$(WARNFILES))
+WARNSRCS  = $(patsubst %.obj,%.c,$(LIBOBJ_NW))
+
 #-- Begin Generated File Rules --#
 # Edit in Makefile.in, not here!
 
@@ -238,33 +243,31 @@ x86\regs.h: x86\regs.dat x86\regs.pl
 # reasonable, but doesn't update the time stamp if the files aren't
 # changed, to avoid rebuilding everything every time. Track the actual
 # dependency by the empty file asm\warnings.time.
-WARNFILES = asm\warnings_c.h include\warnings.h doc\warnings.src
-
 warnings:
-	$(RM_F) $(WARNFILES) $(WARNFILES:=.time)
+	$(RM_F) $(WARNFILES) $(WARNTIMES)
 	$(MAKE) asm\warnings.time
 
 asm\warnings.time: $(ALLOBJ_NW:.$(O)=.c)
-	: > asm\warnings.time
-	$(MAKE) $(WARNFILES:=.time)
+	$(EMPTY) asm\warnings.time
+	$(MAKE) $(WARNTIMES)
 
 asm\warnings_c.h.time: asm\warnings.pl asm\warnings.time
 	$(RUNPERL) $(srcdir)\asm\warnings.pl c asm\warnings_c.h $(srcdir)
-	: > asm\warnings_c.h.time
+	$(EMPTY) asm\warnings_c.h.time
 
 asm\warnings_c.h: asm\warnings_c.h.time
 	@: Side effect
 
 include\warnings.h.time: asm\warnings.pl asm\warnings.time
 	$(RUNPERL) $(srcdir)\asm\warnings.pl h include\warnings.h $(srcdir)
-	: > include\warnings.h.time
+	$(EMPTY) include\warnings.h.time
 
 include\warnings.h: include\warnings.h.time
 	@: Side effect
 
 doc\warnings.src.time: asm\warnings.pl asm\warnings.time
 	$(RUNPERL) $(srcdir)\asm\warnings.pl doc doc\warnings.src $(srcdir)
-	: > doc\warnings.src.time
+	$(EMPTY) doc\warnings.src.time
 
 doc\warnings.src : doc\warnings.src.time
 	@: Side effect
@@ -326,7 +329,7 @@ nsis: nsis\nasm.nsi nsis\arch.nsh nsis\version.nsh
 #-- End NSIS Rules --#
 
 clean:
-	-del /f /s *.$(O)
+	-del /f /s *.obj
 	-del /f /s *.pdb
 	-del /f /s *.s
 	-del /f /s *.i
@@ -348,7 +351,7 @@ distclean: clean
 	-del /f output\*.bak
 	-del /f test\*.lst
 	-del /f test\*.bin
-	-del /f test\*.$(O)
+	-del /f test\*.obj
 	-del /f test\*.bin
 	-del /f/s autom4te*.cache
 
@@ -403,7 +406,7 @@ MKDEP=0
 !ENDIF
 
 #-- Magic hints to mkdep.pl --#
-# @object-ending: ".$(O)"
+# @object-ending: ".obj"
 # @path-separator: "\"
 # @exclude: "config/config.h"
 # @external: "msvc.dep"
diff --git a/Mkfiles/openwcom.mak b/Mkfiles/openwcom.mak
index 84dd2088..9a1588f7 100644
--- a/Mkfiles/openwcom.mak
+++ b/Mkfiles/openwcom.mak
@@ -28,6 +28,8 @@ PERL		= perl
 PERLFLAGS	= -I$(srcdir)\perllib -I$(srcdir)
 RUNPERL         = $(PERL) $(PERLFLAGS)
 
+EMPTY		= $(RUNPERL) -e ""
+
 MAKENSIS        = makensis
 
 # Binary suffixes
@@ -39,12 +41,12 @@ X               = .exe
 # first.  Also, WMAKE only allows implicit rules that point "to the left"
 # in this list!
 .SUFFIXES:
-.SUFFIXES: .man .1 .$(O) .i .c
+.SUFFIXES: .man .1 .obj .i .c
 
 # Needed to find C files anywhere but in the current directory
 .c : $(VPATH)
 
-.c.$(O):
+.c.obj:
     @set INCLUDE=
     $(CC) -c $(ALL_CFLAGS) -fo=$^@ $[@
 
@@ -52,61 +54,62 @@ MANIFEST =
 
 #-- Begin File Lists --#
 # Edit in Makefile.in, not here!
-NASM    = asm\nasm.$(O)
-NDISASM = disasm\ndisasm.$(O)
+NASM    = asm\nasm.obj
+NDISASM = disasm\ndisasm.obj
 
 PROGOBJ = $(NASM) $(NDISASM)
 PROGS   = nasm$(X) ndisasm$(X)
 
-LIBOBJ_NW = stdlib\snprintf.$(O) stdlib\vsnprintf.$(O) stdlib\strlcpy.$(O) &
-	stdlib\strnlen.$(O) stdlib\strrchrnul.$(O) &
+LIBOBJ_NW = stdlib\snprintf.obj stdlib\vsnprintf.obj stdlib\strlcpy.obj &
+	stdlib\strnlen.obj stdlib\strrchrnul.obj &
 	&
-	nasmlib\ver.$(O) &
-	nasmlib\alloc.$(O) nasmlib\asprintf.$(O) nasmlib\errfile.$(O) &
-	nasmlib\crc32.$(O) nasmlib\crc64.$(O) nasmlib\md5c.$(O) &
-	nasmlib\string.$(O) nasmlib\nctype.$(O) &
-	nasmlib\file.$(O) nasmlib\mmap.$(O) nasmlib\ilog2.$(O) &
-	nasmlib\realpath.$(O) nasmlib\path.$(O) &
-	nasmlib\filename.$(O) nasmlib\rlimit.$(O) &
-	nasmlib\readnum.$(O) nasmlib\numstr.$(O) &
-	nasmlib\zerobuf.$(O) nasmlib\bsi.$(O) &
-	nasmlib\rbtree.$(O) nasmlib\hashtbl.$(O) &
-	nasmlib\raa.$(O) nasmlib\saa.$(O) &
-	nasmlib\strlist.$(O) &
-	nasmlib\perfhash.$(O) nasmlib\badenum.$(O) &
+	nasmlib\ver.obj &
+	nasmlib\alloc.obj nasmlib\asprintf.obj nasmlib\errfile.obj &
+	nasmlib\crc32.obj nasmlib\crc64.obj nasmlib\md5c.obj &
+	nasmlib\string.obj nasmlib\nctype.obj &
+	nasmlib\file.obj nasmlib\mmap.obj nasmlib\ilog2.obj &
+	nasmlib\realpath.obj nasmlib\path.obj &
+	nasmlib\filename.obj nasmlib\rlimit.obj &
+	nasmlib\readnum.obj nasmlib\numstr.obj &
+	nasmlib\zerobuf.obj nasmlib\bsi.obj &
+	nasmlib\rbtree.obj nasmlib\hashtbl.obj &
+	nasmlib\raa.obj nasmlib\saa.obj &
+	nasmlib\strlist.obj &
+	nasmlib\perfhash.obj nasmlib\badenum.obj &
 	&
-	common\common.$(O) &
+	common\common.obj &
 	&
-	x86\insnsa.$(O) x86\insnsb.$(O) x86\insnsd.$(O) x86\insnsn.$(O) &
-	x86\regs.$(O) x86\regvals.$(O) x86\regflags.$(O) x86\regdis.$(O) &
-	x86\disp8.$(O) x86\iflag.$(O) &
+	x86\insnsa.obj x86\insnsb.obj x86\insnsd.obj x86\insnsn.obj &
+	x86\regs.obj x86\regvals.obj x86\regflags.obj x86\regdis.obj &
+	x86\disp8.obj x86\iflag.obj &
 	&
-	asm\error.$(O) &
-	asm\floats.$(O) &
-	asm\directiv.$(O) asm\directbl.$(O) &
-	asm\pragma.$(O) &
-	asm\assemble.$(O) asm\labels.$(O) asm\parser.$(O) &
-	asm\preproc.$(O) asm\quote.$(O) asm\pptok.$(O) &
-	asm\listing.$(O) asm\eval.$(O) asm\exprlib.$(O) asm\exprdump.$(O) &
-	asm\stdscan.$(O) &
-	asm\strfunc.$(O) asm\tokhash.$(O) &
-	asm\segalloc.$(O) &
-	asm\rdstrnum.$(O) &
-	asm\srcfile.$(O) &
-	macros\macros.$(O) &
+	asm\error.obj &
+	asm\floats.obj &
+	asm\directiv.obj asm\directbl.obj &
+	asm\pragma.obj &
+	asm\assemble.obj asm\labels.obj asm\parser.obj &
+	asm\preproc.obj asm\quote.obj asm\pptok.obj &
+	asm\listing.obj asm\eval.obj asm\exprlib.obj asm\exprdump.obj &
+	asm\stdscan.obj &
+	asm\strfunc.obj asm\tokhash.obj &
+	asm\segalloc.obj &
+	asm\rdstrnum.obj &
+	asm\srcfile.obj &
+	macros\macros.obj &
 	&
-	output\outform.$(O) output\outlib.$(O) output\legacy.$(O) &
-	output\nulldbg.$(O) output\nullout.$(O) &
-	output\outbin.$(O) output\outaout.$(O) output\outcoff.$(O) &
-	output\outelf.$(O) &
-	output\outobj.$(O) output\outas86.$(O) &
-	output\outdbg.$(O) output\outieee.$(O) output\outmacho.$(O) &
-	output\codeview.$(O) &
+	output\outform.obj output\outlib.obj output\legacy.obj &
+	output\nulldbg.obj output\nullout.obj &
+	output\outbin.obj output\outaout.obj output\outcoff.obj &
+	output\outelf.obj &
+	output\outobj.obj output\outas86.obj &
+	output\outdbg.obj output\outieee.obj output\outmacho.obj &
+	output\codeview.obj &
 	&
-	disasm\disasm.$(O) disasm\sync.$(O)
+	disasm\disasm.obj disasm\sync.obj
 
 # Warnings depend on all source files, so handle them separately
-WARNOBJ   = asm\warnings.$(O)
+WARNOBJ   = asm\warnings.obj
+WARNFILES = asm\warnings_c.h include\warnings.h doc\warnings.src
 
 LIBOBJ    = $(LIBOBJ_NW) $(WARNOBJ)
 ALLOBJ_NW = $(PROGOBJ) $(LIBOBJ_NW)
@@ -154,6 +157,11 @@ ndisasm$(X): $(NDISASM) $(LIBOBJ)
 nasm.lib: $(LIBOBJ)
     wlib -q -b -n $@ $(LIBOBJ)
 
+# These are specific to certain Makefile syntaxes (what are they
+# actually supposed to look like for wmake?)
+WARNTIMES = $(WARNFILES:=.time)
+WARNSRCS  = $(LIBOBJ_NW:.obj=.c)
+
 #-- Begin Generated File Rules --#
 # Edit in Makefile.in, not here!
 
@@ -248,33 +256,31 @@ x86\regs.h: x86\regs.dat x86\regs.pl
 # reasonable, but doesn't update the time stamp if the files aren't
 # changed, to avoid rebuilding everything every time. Track the actual
 # dependency by the empty file asm\warnings.time.
-WARNFILES = asm\warnings_c.h include\warnings.h doc\warnings.src
-
 warnings:
-	$(RM_F) $(WARNFILES) $(WARNFILES:=.time)
+	$(RM_F) $(WARNFILES) $(WARNTIMES)
 	$(MAKE) asm\warnings.time
 
 asm\warnings.time: $(ALLOBJ_NW:.$(O)=.c)
-	: > asm\warnings.time
-	$(MAKE) $(WARNFILES:=.time)
+	$(EMPTY) asm\warnings.time
+	$(MAKE) $(WARNTIMES)
 
 asm\warnings_c.h.time: asm\warnings.pl asm\warnings.time
 	$(RUNPERL) $(srcdir)\asm\warnings.pl c asm\warnings_c.h $(srcdir)
-	: > asm\warnings_c.h.time
+	$(EMPTY) asm\warnings_c.h.time
 
 asm\warnings_c.h: asm\warnings_c.h.time
 	@: Side effect
 
 include\warnings.h.time: asm\warnings.pl asm\warnings.time
 	$(RUNPERL) $(srcdir)\asm\warnings.pl h include\warnings.h $(srcdir)
-	: > include\warnings.h.time
+	$(EMPTY) include\warnings.h.time
 
 include\warnings.h: include\warnings.h.time
 	@: Side effect
 
 doc\warnings.src.time: asm\warnings.pl asm\warnings.time
 	$(RUNPERL) $(srcdir)\asm\warnings.pl doc doc\warnings.src $(srcdir)
-	: > doc\warnings.src.time
+	$(EMPTY) doc\warnings.src.time
 
 doc\warnings.src : doc\warnings.src.time
 	@: Side effect
@@ -336,16 +342,16 @@ nsis: nsis\nasm.nsi nsis\arch.nsh nsis\version.nsh
 #-- End NSIS Rules --#
 
 clean: .SYMBOLIC
-    rm -f *.$(O) *.s *.i
-    rm -f asm\*.$(O) asm\*.s asm\*.i
-    rm -f x86\*.$(O) x86\*.s x86\*.i
-    rm -f lib\*.$(O) lib\*.s lib\*.i
-    rm -f macros\*.$(O) macros\*.s macros\*.i
-    rm -f output\*.$(O) output\*.s output\*.i
-    rm -f common\*.$(O) common\*.s common\*.i
-    rm -f stdlib\*.$(O) stdlib\*.s stdlib\*.i
-    rm -f nasmlib\*.$(O) nasmlib\*.s nasmlib\*.i
-    rm -f disasm\*.$(O) disasm\*.s disasm\*.i
+    rm -f *.obj *.s *.i
+    rm -f asm\*.obj asm\*.s asm\*.i
+    rm -f x86\*.obj x86\*.s x86\*.i
+    rm -f lib\*.obj lib\*.s lib\*.i
+    rm -f macros\*.obj macros\*.s macros\*.i
+    rm -f output\*.obj output\*.s output\*.i
+    rm -f common\*.obj common\*.s common\*.i
+    rm -f stdlib\*.obj stdlib\*.s stdlib\*.i
+    rm -f nasmlib\*.obj nasmlib\*.s nasmlib\*.i
+    rm -f disasm\*.obj disasm\*.s disasm\*.i
     rm -f config.h config.log config.status
     rm -f nasm$(X) ndisasm$(X) $(NASMLIB)
 
@@ -353,7 +359,7 @@ distclean: clean .SYMBOLIC
     rm -f config.h config.log config.status
     rm -f Makefile *~ *.bak *.lst *.bin
     rm -f output\*~ output\*.bak
-    rm -f test\*.lst test\*.bin test\*.$(O) test\*.bin
+    rm -f test\*.lst test\*.bin test\*.obj test\*.bin
 
 cleaner: clean .SYMBOLIC
     rm -f $(PERLREQ)
@@ -381,7 +387,7 @@ alldeps: perlreq .SYMBOLIC
     $(PERL) mkdep.pl -M Makefile.in Mkfiles\openwcom.mak -- . output lib
 
 #-- Magic hints to mkdep.pl --#
-# @object-ending: ".$(O)"
+# @object-ending: ".obj"
 # @path-separator: "\"
 # @exclude: "config/config.h"
 # @continuation: "&"