From: Nathaniel Wesley Filardo <nwf@cs.jhu.edu>
Date: Thu, 22 Oct 2015 03:04:44 +0000 (-0400)
Subject: .SECONDARY make targets for kernel dependencies
X-Git-Url: https://hydra-www.ietfng.org/gitweb/?a=commitdiff_plain;h=5c29240086a0f5879b7fa3d8171c26e195a1349a;p=xv6-public

.SECONDARY make targets for kernel dependencies

This allows us to ship a binary kernel image that won't get clobbered.
---

diff --git a/Makefile b/Makefile
index 38f6692..4a2d7ff 100644
--- a/Makefile
+++ b/Makefile
@@ -112,6 +112,7 @@ initcode: initcode.S
 	$(OBJCOPY) -S -O binary initcode.out initcode
 	$(OBJDUMP) -S initcode.o > initcode.asm
 
+.SECONDARY: $(OBJS) entry.o entryother initcode
 kernel: $(OBJS) entry.o entryother initcode kernel.ld
 	$(LD) $(LDFLAGS) -T kernel.ld -o kernel entry.o $(OBJS) -b binary initcode entryother
 	$(OBJDUMP) -S kernel > kernel.asm
@@ -132,6 +133,7 @@ kernelmemfs: $(MEMFSOBJS) entry.o entryother initcode kernel.ld fs.img
 tags: $(OBJS) entryother.S _init
 	etags *.S *.c
 
+.SECONDARY: vectors.S
 vectors.S: vectors.pl
 	perl vectors.pl > vectors.S