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SubjectRe: [KBUILD] md/raid6 breaks separate source/object tree
On Sat, Jan 24, 2004 at 01:26:51PM +0100, sam@ravnborg.org wrote:
>
> Fix is already sent to hpa/akpm - but I do not have it available
> here (on WEB mail).

Here it is - it is a bit long because I made output look nice
when doing a build without V=1.

Sam

--- drivers/md/Makefile.old 2004-01-24 10:11:54.000000000 +0100
+++ drivers/md/Makefile 2004-01-24 10:12:13.000000000 +0100
@@ -24,26 +24,43 @@ obj-$(CONFIG_MD_MULTIPATH) += multipath.
obj-$(CONFIG_BLK_DEV_MD) += md.o
obj-$(CONFIG_BLK_DEV_DM) += dm-mod.o

-# Files generated that shall be removed upon make clean
-clean-files := raid6int*.c raid6tables.c mktables
-
-$(obj)/raid6int1.c: $(src)/raid6int.uc $(src)/unroll.pl
- $(PERL) $(src)/unroll.pl 1 < $< > $@ || ( rm -f $@ && exit 1 )
-
-$(obj)/raid6int2.c: $(src)/raid6int.uc $(src)/unroll.pl
- $(PERL) $(src)/unroll.pl 2 < $< > $@ || ( rm -f $@ && exit 1 )
-
-$(obj)/raid6int4.c: $(src)/raid6int.uc $(src)/unroll.pl
- $(PERL) $(src)/unroll.pl 4 < $< > $@ || ( rm -f $@ && exit 1 )
-
-$(obj)/raid6int8.c: $(src)/raid6int.uc $(src)/unroll.pl
- $(PERL) $(src)/unroll.pl 8 < $< > $@ || ( rm -f $@ && exit 1 )
-
-$(obj)/raid6int16.c: $(src)/raid6int.uc $(src)/unroll.pl
- $(PERL) $(src)/unroll.pl 16 < $< > $@ || ( rm -f $@ && exit 1 )
-
-$(obj)/raid6int32.c: $(src)/raid6int.uc $(src)/unroll.pl
- $(PERL) $(src)/unroll.pl 32 < $< > $@ || ( rm -f $@ && exit 1 )
-
-$(obj)/raid6tables.c: $(obj)/mktables
- $(obj)/mktables > $@ || ( rm -f $@ && exit 1 )
+quiet_cmd_unroll = UNROLL $@
+ cmd_unroll = $(PERL) $(srctree)/$(src)/unroll.pl $(UNROLL) \
+ < $< > $@ || ( rm -f $@ && exit 1 )
+
+targets += raid6int1.c
+$(obj)/raid6int1.c: UNROLL := 1
+$(obj)/raid6int1.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE
+ $(call if_changed,unroll)
+
+targets += raid6int2.c
+$(obj)/raid6int2.c: UNROLL := 2
+$(obj)/raid6int2.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE
+ $(call if_changed,unroll)
+
+targets += raid6int4.c
+$(obj)/raid6int4.c: UNROLL := 4
+$(obj)/raid6int4.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE
+ $(call if_changed,unroll)
+
+targets += raid6int8.c
+$(obj)/raid6int8.c: UNROLL := 8
+$(obj)/raid6int8.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE
+ $(call if_changed,unroll)
+
+targets += raid6int16.c
+$(obj)/raid6int16.c: UNROLL := 16
+$(obj)/raid6int16.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE
+ $(call if_changed,unroll)
+
+targets += raid6int32.c
+$(obj)/raid6int32.c: UNROLL := 32
+$(obj)/raid6int32.c: $(src)/raid6int.uc $(src)/unroll.pl FORCE
+ $(call if_changed,unroll)
+
+quiet_cmd_mktable = TABLE $@
+ cmd_mktable = $(obj)/mktables > $@ || ( rm -f $@ && exit 1 )
+
+targets += raid6tables.c
+$(obj)/raid6tables.c: $(obj)/mktables FORCE
+ $(call if_changed,mktable)
-
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