From: bernhardheld <bernhardheld@4a8a32a2-be11-0410-ad9d-d568d2c75423>
Date: Sat, 19 Apr 2003 10:06:51 +0000 (+0000)
Subject: * as/z80/Makefile: fix permanent rebuild of z80
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=4815311479c4e14e1d040c8688b906f69ecea722;p=fw%2Fsdcc

* as/z80/Makefile: fix permanent rebuild of z80


git-svn-id: https://sdcc.svn.sourceforge.net/svnroot/sdcc/trunk/sdcc@2540 4a8a32a2-be11-0410-ad9d-d568d2c75423
---

diff --git a/ChangeLog b/ChangeLog
index 2ebb0997..85ac1092 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2003-04-19  Bernhard Held <bernhard@bernhardheld.de>
+
+	* as/z80/Makefile: fix permanent rebuild of z80
+
 2003-04-18 	Kevin Vigor <kevin@vigor.nu>
 
 	* src/SDCCopt.c: add special case optimization to replace modulo by
diff --git a/as/z80/Makefile b/as/z80/Makefile
index a6d706fb..9a914813 100644
--- a/as/z80/Makefile
+++ b/as/z80/Makefile
@@ -31,17 +31,24 @@ Makefile.dep: $(SRC) *.h
 
 include Makefile.dep
 
-$(OBJDIR):
+# We need a '.stamp'-file in $(OBJDIR), because the time stamp
+# of $(OBJDIR) itself is always updated, when a file in $(OBJDIR)
+# is updated. A rule like
+#	$(OBJDIR)/anyfile: $(OBJDIR)
+# will always force a remake (at least on Linux ext2).
+
+$(OBJDIR)/.stamp:
 	mkdir -p $(OBJDIR)
+	touch $(OBJDIR)/.stamp
 
 $(BINS): $(OBJS) $(SLIBOBJS)
 	$(CC) -o $(BINS) $(OBJS) $(SLIBOBJS) $(LDFLAGS)
 
 
-$(OBJDIR)/%.o:	%.c $(OBJDIR)
+$(OBJDIR)/%.o:	%.c $(OBJDIR)/.stamp
 	$(CC) -c $(CFLAGS) -o $@ $<
 
-$(OBJDIR)/%.o:	$(SLIB)/%.c $(OBJDIR)
+$(OBJDIR)/%.o:	$(SLIB)/%.c $(OBJDIR)/.stamp
 	$(CC) -c $(CFLAGS) -o $@ $<
 
 _as-z80: