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[Xen-devel] [PATCH 1/2] make: Check tools/qemu-xen[-traditional] for qemu before downloading



Currently xen, qemu-xen, and qemu-xen-traditional are kept in separate
repositories, but when we release them as a tarball, qemu-xen and
qemu-xen-traditional are in-lined into the tools/ directory.

In order to make this "just work", at the moment developer doing the
release manually modifies Config.mk as part of the relase process so
that CONFIG_QEMU and QEMU_UPSTREAM_URL point into the tools/ directory
instead.

Modify Config.mk to automatically check there before trying a remote
repository.

Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>

---

Since we're essentially manually doing this for each release anyway, I
propose this c/s be backported to all currently-maintained branches.

CC: Ian Campbell <ian.campbell@xxxxxxxxxx>
CC: Ian Jackson <ian.jackson@xxxxxxxxxx>
CC: Jan Beulich <jbeulich@xxxxxxxx>
---
 Config.mk |   18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/Config.mk b/Config.mk
index e7f14ef..dac9893 100644
--- a/Config.mk
+++ b/Config.mk
@@ -224,6 +224,19 @@ else
 QEMU_REMOTE ?= git://xenbits.xen.org/qemu-xen-unstable.git
 endif
 
+# Specify which qemu-dm to use. This may be `ioemu' to use the old
+# Mercurial in-tree version, or a local directory, or a git URL.
+# CONFIG_QEMU ?= `pwd`/$(XEN_ROOT)/../qemu-xen.git
+ifneq (,$(wildcard $(XEN_ROOT)/tools/qemu-xen-traditional))
+CONFIG_QEMU ?= $(XEN_ROOT)/tools/qemu-xen-traditional
+else
+CONFIG_QEMU ?= $(QEMU_REMOTE)
+endif
+
+ifneq (,$(wildcard $(XEN_ROOT)/tools/qemu-xen))
+QEMU_UPSTREAM_URL ?= $(XEN_ROOT)/tools/qemu-xen
+endif
+
 ifeq ($(GIT_HTTP),y)
 OVMF_UPSTREAM_URL ?= http://xenbits.xen.org/git-http/ovmf.git
 QEMU_UPSTREAM_URL ?= http://xenbits.xen.org/git-http/qemu-upstream-unstable.git
@@ -241,11 +254,6 @@ SEABIOS_UPSTREAM_TAG ?= rel-1.7.4
 
 ETHERBOOT_NICS ?= rtl8139 8086100e
 
-# Specify which qemu-dm to use. This may be `ioemu' to use the old
-# Mercurial in-tree version, or a local directory, or a git URL.
-# CONFIG_QEMU ?= `pwd`/$(XEN_ROOT)/../qemu-xen.git
-CONFIG_QEMU ?= $(QEMU_REMOTE)
-
 QEMU_TAG ?= d0395cc49b2ec6d1723c01f1daf2394b9264ca29
 # Tue Apr 8 16:50:06 2014 +0000
 # qemu-xen-trad: free all the pirqs for msi/msix when driver unloads
-- 
1.7.9.5


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