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build: Reorganize and briefly document "external repo" template in tools/Makefile
No functional changes. Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com> Acked-by: Ian Campbell <ian.campbell@citrix.com>
This commit is contained in:
George Dunlap authored and Ian Campbell committed
1 parent
5e9bb4c6db
commit
c73c58741f
1 file changed
+44
-8
+44
-8
@@ -129,6 +129,41 @@ ifneq ($(QEMU_ROOT),.)
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export QEMU_ROOT
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endif
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# Targets for external trees:
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# ${target}-dir-find
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# See if the directory exists and check it out if not.
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# ${target}-dir-force-update
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# Pull to the most recent update (as if you had checked it out for the
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# first time)
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# subdir-all-${target}-dir
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# Do "make all" for ${target}, including all prerequisites (such as
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# configure)
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# subdir-install-${target}-dir
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# Do "make install" for $TARGET
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# subdir-clean-${target}-dir
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# Do "make clean" for $TARGET
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#
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# Directories for external trees:
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# ${target}-dir
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# Used for local builds. Usually a link to ${target}-dir-remote
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# ${target}-dir-remote
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# Where remote repositories are cloned
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# ${target}
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# Where a copy of the source files are put when building a source
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# tarball for release
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#
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# Expected variables:
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# ${TARGET}_URL
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# A url from which to clone a git repo
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# ${TARGET}_REVISION
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# The target revision to check out when doing "find" or "force-update"
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# ${TARGET}_INTREE
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# The directory where the subtree can be found (usually used when building
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# a source tarball)
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# ${TARGET}_LOC
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# The ultimate location of the source (either a local dir or remote URL)
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# External target: qemu-xen-traditional
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qemu-xen-traditional-dir-find:
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set -ex; \
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if test -d $(QEMU_TRADITIONAL_LOC); then \
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@@ -138,14 +173,6 @@ qemu-xen-traditional-dir-find:
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$(XEN_ROOT)/scripts/git-checkout.sh $(QEMU_TRADITIONAL_LOC) $(QEMU_TRADITIONAL_REVISION) qemu-xen-traditional-dir; \
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fi
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qemu-xen-dir-find:
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if test -d $(QEMU_UPSTREAM_LOC) ; then \
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mkdir -p qemu-xen-dir; \
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else \
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export GIT=$(GIT); \
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$(XEN_ROOT)/scripts/git-checkout.sh $(QEMU_UPSTREAM_LOC) $(QEMU_UPSTREAM_REVISION) qemu-xen-dir ; \
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fi
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.PHONY: qemu-xen-traditional-dir-force-update
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qemu-xen-traditional-dir-force-update: qemu-xen-traditional-dir-find
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set -ex; \
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@@ -183,6 +210,15 @@ subdir-clean-qemu-xen-traditional-dir:
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$(MAKE) -C qemu-xen-traditional-dir clean; \
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fi
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# External target: qemu-xen
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qemu-xen-dir-find:
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if test -d $(QEMU_UPSTREAM_LOC) ; then \
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mkdir -p qemu-xen-dir; \
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else \
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export GIT=$(GIT); \
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$(XEN_ROOT)/scripts/git-checkout.sh $(QEMU_UPSTREAM_LOC) $(QEMU_UPSTREAM_REVISION) qemu-xen-dir ; \
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fi
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.PHONY: qemu-xen-dir-force-update
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qemu-xen-dir-force-update: qemu-xen-dir-find
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set -ex; \
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