From e737b4333bb287b6134a89edff2bde2a7e048a9e Mon Sep 17 00:00:00 2001
From:  <stefano.stabellini@eu.citrix.com>
Date: Tue, 24 Jan 2012 15:09:30 +0000
Subject: Clone and build upstream Qemu by default

From: Stefano Stabellini <stefano.stabellini@eu.citrix.com>

Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Committed-by: Ian Jackson <ian.jackson.citrix.com>
---
 .hgignore      |  2 ++
 Config.mk      |  7 +++++++
 Makefile       |  9 ++++++++-
 tools/Makefile | 44 ++++++++++++++++++++++++++++++++++++++++++++
 4 files changed, 61 insertions(+), 1 deletion(-)

diff --git a/.hgignore b/.hgignore
index 4b773c39b8..cbcc0f5218 100644
--- a/.hgignore
+++ b/.hgignore
@@ -298,6 +298,8 @@
 ^tools/xm-test/tests/.*\.test$
 ^tools/qemu-xen-traditional-dir-remote
 ^tools/qemu-xen-traditional-dir$
+^tools/qemu-xen-dir-remote
+^tools/qemu-xen-dir$
 ^tools/ocaml/.*/.*\.annot$
 ^tools/ocaml/.*/.*\.cmx?a$
 ^tools/ocaml/.*/META$
diff --git a/Config.mk b/Config.mk
index 7dcb267baa..5f67a9f997 100644
--- a/Config.mk
+++ b/Config.mk
@@ -207,6 +207,13 @@ else
 QEMU_REMOTE=git://xenbits.xensource.com/qemu-xen-unstable.git
 endif
 
+ifeq ($(GIT_HTTP),y)
+QEMU_UPSTREAM_URL ?= http://xenbits.xen.org/git-http/qemu-upstream-unstable.git
+else
+QEMU_UPSTREAM_URL ?= git://xenbits.xen.org/qemu-upstream-unstable.git
+endif
+QEMU_UPSTREAM_REVISION ?= master
+
 # Specify which qemu-dm to use. This may be `ioemu' to use the old
 # Mercurial in-tree version, or a local directory, or a git URL.
 # CONFIG_QEMU ?= `pwd`/$(XEN_ROOT)/../qemu-xen.git
diff --git a/Makefile b/Makefile
index c0197a5ed6..edc5e3d92e 100644
--- a/Makefile
+++ b/Makefile
@@ -70,7 +70,7 @@ install-tools:
 	$(MAKE) -C tools install
 
 ifeq ($(CONFIG_IOEMU),y)
-install-tools: tools/qemu-xen-traditional-dir
+install-tools: tools/qemu-xen-traditional-dir tools/qemu-xen-dir
 endif
 
 .PHONY: install-kernels
@@ -91,6 +91,13 @@ tools/qemu-xen-traditional-dir:
 tools/qemu-xen-traditional-dir-force-update:
 	$(MAKE) -C tools qemu-xen-traditional-dir-force-update
 
+tools/qemu-xen-dir:
+	$(MAKE) -C tools qemu-xen-dir-find
+
+.PHONY: tools/qemu-xen-dir-force-update
+tools/qemu-xen-dir-force-update:
+	$(MAKE) -C tools qemu-xen-dir-force-update
+
 .PHONY: install-docs
 install-docs:
 	sh ./docs/check_pkgs && $(MAKE) -C docs install || true
diff --git a/tools/Makefile b/tools/Makefile
index 3ff1ed1a34..03ac66f855 100644
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -36,6 +36,7 @@ SUBDIRS-y += libvchan
 # do not recurse in to a dir we are about to delete
 ifneq "$(MAKECMDGOALS)" "distclean"
 SUBDIRS-$(CONFIG_IOEMU) += qemu-xen-traditional-dir
+SUBDIRS-$(CONFIG_IOEMU) += qemu-xen-dir
 endif
 
 SUBDIRS-y += xenpmd
@@ -76,6 +77,7 @@ clean: subdirs-clean
 .PHONY: distclean
 distclean: subdirs-distclean
 	rm -rf qemu-xen-traditional-dir qemu-xen-traditional-dir-remote
+	rm -rf qemu-xen-dir qemu-xen-dir-remote
 
 ifneq ($(XEN_COMPILE_ARCH),$(XEN_TARGET_ARCH))
 IOEMU_CONFIGURE_CROSS ?= --cpu=$(XEN_TARGET_ARCH) \
@@ -97,6 +99,14 @@ qemu-xen-traditional-dir-find:
 		$(XEN_ROOT)/scripts/git-checkout.sh $(CONFIG_QEMU) $(QEMU_TAG) qemu-xen-traditional-dir; \
 	fi
 
+qemu-xen-dir-find:
+	if test -d $(QEMU_UPSTREAM_URL) ; then \
+		mkdir -p qemu-xen-dir; \
+	else \
+		export GIT=$(GIT); \
+		$(XEN_ROOT)/scripts/git-checkout.sh $(QEMU_UPSTREAM_URL) $(QEMU_UPSTREAM_REVISION) qemu-xen-dir ; \
+	fi
+
 .PHONY: qemu-xen-traditional-dir-force-update
 qemu-xen-traditional-dir-force-update:
 	set -ex; \
@@ -119,6 +129,40 @@ subdir-clean-qemu-xen-traditional-dir:
 		$(MAKE) -C qemu-xen-traditional-dir clean; \
 	fi
 
+.PHONY: qemu-xen-dir-force-update
+qemu-xen-dir-force-update:
+	set -ex; \
+	if [ "$(QEMU_UPSTREAM_REVISION)" ]; then \
+		cd qemu-xen-dir-remote; \
+		$(GIT) fetch origin; \
+		$(GIT) reset --hard $(QEMU_UPSTREAM_REVISION); \
+	fi
+
+subdir-all-qemu-xen-dir subdir-install-qemu-xen-dir: qemu-xen-dir-find
+	if test -d $(QEMU_UPSTREAM_URL) ; then \
+		source=$(QEMU_UPSTREAM_URL); \
+	else \
+		source=.; \
+	fi; \
+	cd qemu-xen-dir; \
+	$$source/configure --enable-xen --target-list=i386-softmmu \
+		--source-path=$$source \
+		--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$(XEN_ROOT)/tools/xenstore" \
+		--bindir=$(LIBEXEC) \
+		--disable-kvm \
+		$(IOEMU_CONFIGURE_CROSS); \
+	$(MAKE) install
+
+subdir-clean-qemu-xen-dir:
+	set -e; if test -d qemu-xen-dir/.; then \
+		$(buildmakevars2shellvars); \
+		$(MAKE) -C qemu-xen-dir clean; \
+	fi
+
 subdir-clean-debugger/gdbsx subdir-distclean-debugger/gdbsx: .phony
 	$(MAKE) -C debugger/gdbsx clean
 
-- 
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