[Xen-devel] [PATCH 1/2] Introduce support for upstream qemu in the xen-unstable build system

[<stefano.stabellini@xxxxxxxxxxxxx>]

In order to distinguish between upstream qemu and qemu-xen I am
introducing a new variable named "QEMU" that only if is equal to
"upstream" switches the build system to the new qemu.

Users that want to try the new qemu just have to export QEMU=upstream
before calling make in the xen-unstable top level directory.

Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

diff -r 0ba816e077e6 Config.mk
--- a/Config.mk Wed Aug 31 16:04:37 2011 +0000
+++ b/Config.mk Wed Sep 07 11:13:17 2011 +0000
@@ -192,12 +192,21 @@ else
 QEMU_REMOTE=git://xenbits.xensource.com/qemu-xen-unstable.git
 endif
 
+# Only available through the git protocol at the moment
+QEMU_UPSTREAM_URL=git://xenbits.xen.org/people/sstabellini/qemu-dm.git
+QEMU_UPSTREAM_TAG=origin/xen-stable-0.15
+
 # 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`/$(XEN_ROOT)/../qemu-xen.git
+ifeq ($(QEMU),upstream)
+CONFIG_QEMU ?= $(QEMU_UPSTREAM_URL)
+QEMU_TAG ?= $(QEMU_UPSTREAM_TAG)
+else
 CONFIG_QEMU ?= $(QEMU_REMOTE)
+QEMU_TAG ?= cd776ee9408ff127f934a707c1a339ee600bc127
+endif
 
-QEMU_TAG ?= cd776ee9408ff127f934a707c1a339ee600bc127
 # Tue Jun 28 13:50:53 2011 +0100
 # qemu-char.c: fix incorrect CONFIG_STUBDOM handling
 
diff -r 0ba816e077e6 tools/Makefile
--- a/tools/Makefile    Wed Aug 31 16:04:37 2011 +0000
+++ b/tools/Makefile    Wed Sep 07 11:13:17 2011 +0000
@@ -106,7 +106,19 @@ ioemu-dir-find:
        set -e; \
                $(buildmakevars2shellvars); \
                cd ioemu-dir; \
-               $(QEMU_ROOT)/xen-setup $(IOEMU_CONFIGURE_CROSS)
+               if [ "$(QEMU)" = upstream ]; then \
+                       cd $(QEMU_ROOT); \
+                       ./configure --enable-xen --target-list=i386-softmmu \
+                       --extra-cflags="-I$(XEN_ROOT)/tools/include \
+                       -I$(XEN_ROOT)/tools/libxc \
+                       -I$(XEN_ROOT)/tools/xenstore" \
+                       --extra-ldflags="-L$(XEN_ROOT)/tools/libxc \
+                       -L$(XEN_ROOT)/tools/libxenstore" \
+                       --disable-kvm \
+                       $(IOEMU_CONFIGURE_CROSS); \
+               else \
+                       $(QEMU_ROOT)/xen-setup $(IOEMU_CONFIGURE_CROSS); \
+               fi
 
 .PHONY: ioemu-dir-force-update
 ioemu-dir-force-update:

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