[Xen-devel] [PATCH] stubdom: correct dependency for ioemu linkfarm

[Juergen Gross <jgross@xxxxxxxx>]

The dependency for setting up the links for ioemu is wrong: it is
depending on tools/qemu-xen-traditional-dir which is being modified by
each "make tools" call. This leads to rebuilds of several stubdom
libraries for each call of "make stubdom" as those depend on the ioemu
linkfarm stamp file.

Modify the dependency to the qemu Makefile instead which is a better
indicator whether we need to create the qemu directory before setting
up the links.

Signed-off-by: Juergen Gross <jgross@xxxxxxxx>
---
 stubdom/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/stubdom/Makefile b/stubdom/Makefile
index 2921f30..0b33e23 100644
--- a/stubdom/Makefile
+++ b/stubdom/Makefile
@@ -281,10 +281,10 @@ IOEMU_LINKFARM_TARGET := ioemu/linkfarm.stamp
 endif
 
 ifeq ($(QEMU_ROOT),.)
-$(XEN_ROOT)/tools/qemu-xen-traditional-dir:
+$(XEN_ROOT)/tools/qemu-xen-traditional-dir/Makefile:
        $(MAKE) DESTDIR= -C $(XEN_ROOT)/tools qemu-xen-traditional-dir-find
 
-ioemu/linkfarm.stamp: $(XEN_ROOT)/tools/qemu-xen-traditional-dir
+ioemu/linkfarm.stamp: $(XEN_ROOT)/tools/qemu-xen-traditional-dir/Makefile
        mkdir -p ioemu
        set -e;                                                                 
\
        $(buildmakevars2shellvars);                                             
\
-- 
2.6.6


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