patch-2.4.19 linux-2.4.19/arch/arm/tools/Makefile

• Lines: 31
• Date: Fri Aug 2 17:39:42 2002
• Orig file: linux-2.4.18/arch/arm/tools/Makefile
• Orig date: Thu Oct 11 09:04:57 2001

diff -urN linux-2.4.18/arch/arm/tools/Makefile linux-2.4.19/arch/arm/tools/Makefile
@@ -15,13 +15,17 @@
 # what we want.  We do this in several stages so make picks up on
 # any errors that occur along the way.
 
-$(TOPDIR)/include/asm-arm/constants.h: constants-hdr getconstants.c
-	$(CC) $(CFLAGS) -S -o - getconstants.c > $@.tmp.1
+constants.h: constants-hdr getconstants.c
+	$(CC) $(CFLAGS) -S -o $@.tmp.1 getconstants.c
 	sed 's/^\(#define .* \)[#$$]\(.*\)/\1\2/;/^#define/!d' $@.tmp.1 > $@.tmp.2
-	cat constants-hdr $@.tmp.2 > $@.tmp
-	cmp $@.tmp $@ >/dev/null 2>&1 || mv $@.tmp $@
+	cat constants-hdr $@.tmp.2 > $@
 	$(RM) $@.tmp*
 
+# Only update include/asm-arm/constants.h when it has actually changed.
+
+$(TOPDIR)/include/asm-arm/constants.h: constants.h
+	cmp constants.h $@ >/dev/null 2>&1 || cp -p constants.h $@
+
 # Build our dependencies, and then generate the constants and
 # mach-types header files.  If we do it now, mkdep will pick
 # the dependencies up later on when it runs through the other
@@ -29,7 +33,7 @@
 
 dep:
 	$(TOPDIR)/scripts/mkdep $(CFLAGS) $(EXTRA_CFLAGS) -- getconstants.c |\
-	 sed s,getconstants.o,$(TOPDIR)/include/asm-arm/constants.h, > .depend
+	 sed s,getconstants.o,constants.h, > .depend
 	$(MAKE) all
 
 .PHONY:	all dep