[Xen-changelog] [xen master] make: Check tools/qemu-xen[-traditional] for qemu before downloading

[patchbot@xxxxxxx]

commit ffbf0893579be7904d4de4cd168de3defe416539
Author:     George Dunlap <george.dunlap@xxxxxxxxxxxxx>
AuthorDate: Mon Jul 14 17:15:22 2014 +0100
Commit:     Ian Campbell <ian.campbell@xxxxxxxxxx>
CommitDate: Fri Jul 18 11:20:56 2014 +0100

    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>
    Acked-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
 Config.mk |   19 +++++++++++++++----
 1 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/Config.mk b/Config.mk
index ab95b1c..a9b3468 100644
--- a/Config.mk
+++ b/Config.mk
@@ -224,6 +224,21 @@ else
 QEMU_REMOTE ?= git://xenbits.xen.org/qemu-xen-unstable.git
 endif
 
+# Where to look for inlined subtrees (for example, from a tarball)
+QEMU_UPSTREAM_INTREE ?= $(XEN_ROOT)/tools/qemu-xen
+QEMU_TRADITIONAL_INTREE ?= $(XEN_ROOT)/tools/qemu-xen-traditional
+
+
+# Specify which qemu-dm to use. This may be `ioemu' to use the old
+# Mercurial in-tree version, or a local directory, or a git URL.
+# CONFIG_QEMU ?= `pwd`/$(XEN_ROOT)/../qemu-xen.git
+CONFIG_QEMU ?= $(or $(wildcard $(QEMU_TRADITIONAL_INTREE)),\
+                    $(QEMU_REMOTE))
+
+ifneq (,$(wildcard $(QEMU_UPSTREAM_INTREE)))
+QEMU_UPSTREAM_URL ?= $(QEMU_UPSTREAM_INTREE)
+endif
+
 ifeq ($(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
@@ -241,10 +256,6 @@ SEABIOS_UPSTREAM_TAG ?= rel-1.7.5
 
 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
--
generated by git-patchbot for /home/xen/git/xen.git#master

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