dos: assume NASM 2.03, so use -MP -MD for dependencies

Assume NASM 2.03 or later, so use -MP -MD to generate dependencies.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/dos/Makefile b/dos/Makefile
index 5bef97b..10d8f6b 100644 (file)
--- a/dos/Makefile
+++ b/dos/Makefile
@@ -65,7 +65,6 @@ syslinux.com: syslinux.elf
                true
 
 %.com: %.asm
-       ( $(NASM) -M -DDEPEND $(NASMOPT) -o $@ -M $< && echo '' ) > .$@.d; true
-       $(NASM) $(NASMOPT) -f bin -o $@ -l $*.lst $<
+       $(NASM) $(NASMOPT) -f bin -o $@ -MP -MD .$@.d -l $*.lst $<
 
 -include .*.d *.tmp