mirror of
https://github.com/xen-project/xen.git
synced 2026-10-28 02:01:24 +01:00
Demi Marie Obenour
e1d7508444
Obtaining code over an insecure transport is a terrible idea for blatently obvious reasons. Even for non-executable data, insecure transports are considered deprecated. This patch enforces the use of secure transports for all xenbits.xen.org URLs. All altered links have been tested and are known to work. Signed-off-by: Demi Marie Obenour <demi@invisiblethingslab.com> Acked-by: Andrew Cooper <andrew.cooper3@citrix.com>
250 lines
8.3 KiB
Makefile
250 lines
8.3 KiB
Makefile
# -*- mode: Makefile; -*-
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ifeq ($(filter /%,$(XEN_ROOT)),)
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$(error XEN_ROOT must be absolute)
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endif
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# Convenient variables
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comma := ,
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open := (
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close := )
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squote := '
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#' Balancing squote, to help syntax highlighting
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empty :=
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space := $(empty) $(empty)
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# fallback for older make
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realpath = $(wildcard $(foreach file,$(1),$(shell cd -P $(dir $(file)) && echo "$$PWD/$(notdir $(file))")))
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or = $(if $(strip $(1)),$(1),$(if $(strip $(2)),$(2),$(if $(strip $(3)),$(3),$(if $(strip $(4)),$(4)))))
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-include $(XEN_ROOT)/.config
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XEN_COMPILE_ARCH ?= $(shell uname -m | sed -e s/i.86/x86_32/ \
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-e s/i86pc/x86_32/ -e s/amd64/x86_64/ \
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-e s/armv7.*/arm32/ -e s/armv8.*/arm64/ \
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-e s/aarch64/arm64/)
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XEN_TARGET_ARCH ?= $(XEN_COMPILE_ARCH)
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XEN_OS ?= $(shell uname -s)
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CONFIG_$(XEN_OS) := y
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SHELL ?= /bin/sh
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# Tools to run on system hosting the build
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HOSTCFLAGS = -Wall -Werror -Wstrict-prototypes -O2 -fomit-frame-pointer
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HOSTCFLAGS += -fno-strict-aliasing
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DISTDIR ?= $(XEN_ROOT)/dist
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DESTDIR ?= /
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# Allow phony attribute to be listed as dependency rather than fake target
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.PHONY: .phony
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# If we are not cross-compiling, default HOSTC{C/XX} to C{C/XX}
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ifeq ($(XEN_TARGET_ARCH), $(XEN_COMPILE_ARCH))
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HOSTCC ?= $(CC)
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HOSTCXX ?= $(CXX)
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endif
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# Use Clang/LLVM instead of GCC?
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clang ?= n
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ifeq ($(clang),n)
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gcc := y
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HOSTCC ?= gcc
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HOSTCXX ?= g++
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else
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gcc := n
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HOSTCC ?= clang
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HOSTCXX ?= clang++
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endif
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DEPS_INCLUDE = $(addsuffix .d2, $(basename $(wildcard $(DEPS))))
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DEPS_RM = $(DEPS) $(DEPS_INCLUDE)
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%.d2: %.d
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sed "s!\(^\| \)$$PWD/! !" $^ >$@.tmp && mv -f $@.tmp $@
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include $(XEN_ROOT)/config/$(XEN_OS).mk
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include $(XEN_ROOT)/config/$(XEN_TARGET_ARCH).mk
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ifneq ($(EXTRA_PREFIX),)
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EXTRA_INCLUDES += $(EXTRA_PREFIX)/include
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EXTRA_LIB += $(EXTRA_PREFIX)/lib
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endif
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PYTHON ?= python
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PYTHON_PREFIX_ARG ?= --prefix="$(prefix)"
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# The above requires that prefix contains *no spaces*. This variable is here
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# to permit the user to set PYTHON_PREFIX_ARG to '' to workaround this bug:
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# https://bugs.launchpad.net/ubuntu/+bug/362570
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# cc-option: Check if compiler supports first option, else fall back to second.
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#
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# This is complicated by the fact that unrecognised -Wno-* options:
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# (a) are ignored unless the compilation emits a warning; and
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# (b) even then produce a warning rather than an error
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# To handle this we do a test compile, passing the option-under-test, on a code
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# fragment that will always produce a warning (integer assigned to pointer).
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# We then grep for the option-under-test in the compiler's output, the presence
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# of which would indicate an "unrecognized command-line option" warning/error.
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#
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# Usage: cflags-y += $(call cc-option,$(CC),-march=winchip-c6,-march=i586)
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cc-option = $(shell if test -z "`echo 'void*p=1;' | \
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$(1) $(2) -c -o /dev/null -x c - 2>&1 | grep -- $(2:-Wa$(comma)%=%) -`"; \
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then echo "$(2)"; else echo "$(3)"; fi ;)
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# cc-option-add: Add an option to compilation flags, but only if supported.
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# Usage: $(call cc-option-add CFLAGS,CC,-march=winchip-c6)
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cc-option-add = $(eval $(call cc-option-add-closure,$(1),$(2),$(3)))
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define cc-option-add-closure
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ifneq ($$(call cc-option,$$($(2)),$(3),n),n)
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$(1) += $(3)
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endif
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endef
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cc-options-add = $(foreach o,$(3),$(call cc-option-add,$(1),$(2),$(o)))
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# cc-ver: Check compiler against the version requirement. Return boolean 'y'/'n'.
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# Usage: ifeq ($(call cc-ver,$(CC),ge,0x030400),y)
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cc-ver = $(shell if [ $$((`$(1) -dumpversion | awk -F. \
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'{ printf "0x%02x%02x%02x", $$1, $$2, $$3}'`)) -$(2) $$(($(3))) ]; \
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then echo y; else echo n; fi ;)
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# cc-ver-check: Check compiler is at least specified version, else fail.
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# Usage: $(call cc-ver-check,CC,0x030400,"Require at least gcc-3.4")
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cc-ver-check = $(eval $(call cc-ver-check-closure,$(1),$(2),$(3)))
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define cc-ver-check-closure
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ifeq ($$(call cc-ver,$$($(1)),ge,$(2)),n)
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override $(1) = echo "*** FATAL BUILD ERROR: "$(3) >&2; exit 1;
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cc-option := n
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endif
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endef
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# Require GCC v4.1+
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check-$(gcc) = $(call cc-ver-check,CC,0x040100,"Xen requires at least gcc-4.1")
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$(eval $(check-y))
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ld-ver-build-id = $(shell $(1) --build-id 2>&1 | \
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grep -q build-id && echo n || echo y)
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export XEN_HAS_BUILD_ID ?= n
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ifeq ($(call ld-ver-build-id,$(LD)),n)
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build_id_linker :=
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else
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CFLAGS += -DBUILD_ID
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export XEN_HAS_BUILD_ID=y
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build_id_linker := --build-id=sha1
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endif
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define buildmakevars2shellvars
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export PREFIX="$(prefix)"; \
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export XEN_SCRIPT_DIR="$(XEN_SCRIPT_DIR)"; \
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export XEN_ROOT="$(XEN_ROOT)"
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endef
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#
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# Compare $(1) and $(2) and replace $(2) with $(1) if they differ
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#
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# Typically $(1) is a newly generated file and $(2) is the target file
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# being regenerated. This prevents changing the timestamp of $(2) only
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# due to being auto regenereated with the same contents.
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define move-if-changed
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if ! cmp -s $(1) $(2); then mv -f $(1) $(2); else rm -f $(1); fi
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endef
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BUILD_MAKE_VARS := sbindir bindir LIBEXEC LIBEXEC_BIN libdir SHAREDIR \
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XENFIRMWAREDIR XEN_CONFIG_DIR XEN_SCRIPT_DIR XEN_LOCK_DIR \
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XEN_RUN_DIR XEN_PAGING_DIR XEN_DUMP_DIR XEN_LOG_DIR \
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XEN_LIB_DIR XEN_RUN_STORED
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buildmakevars2file = $(eval $(call buildmakevars2file-closure,$(1)))
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define buildmakevars2file-closure
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$(1): .phony
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rm -f $(1).tmp; \
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$(foreach var, $(BUILD_MAKE_VARS), \
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echo "$(var)=\"$($(var))\"" >>$(1).tmp;) \
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$(call move-if-changed,$(1).tmp,$(1))
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endef
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CFLAGS += -fno-strict-aliasing
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CFLAGS += -std=gnu99
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CFLAGS += -Wall -Wstrict-prototypes
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$(call cc-option-add,HOSTCFLAGS,HOSTCC,-Wdeclaration-after-statement)
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$(call cc-option-add,CFLAGS,CC,-Wdeclaration-after-statement)
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$(call cc-option-add,CFLAGS,CC,-Wno-unused-but-set-variable)
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$(call cc-option-add,CFLAGS,CC,-Wno-unused-local-typedefs)
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LDFLAGS += $(foreach i, $(EXTRA_LIB), -L$(i))
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CFLAGS += $(foreach i, $(EXTRA_INCLUDES), -I$(i))
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LDFLAGS += $(foreach i, $(PREPEND_LIB), -L$(i))
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CFLAGS += $(foreach i, $(PREPEND_INCLUDES), -I$(i))
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ifeq ($(XEN_TOOLS_RPATH),y)
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LDFLAGS += -Wl,-rpath,$(libdir)
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endif
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APPEND_LDFLAGS += $(foreach i, $(APPEND_LIB), -L$(i))
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APPEND_CFLAGS += $(foreach i, $(APPEND_INCLUDES), -I$(i))
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EMBEDDED_EXTRA_CFLAGS := -fno-pie -fno-stack-protector -fno-stack-protector-all
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EMBEDDED_EXTRA_CFLAGS += -fno-exceptions -fno-asynchronous-unwind-tables
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XEN_EXTFILES_URL ?= https://xenbits.xen.org/xen-extfiles
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# All the files at that location were downloaded from elsewhere on
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# the internet. The original download URL is preserved as a comment
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# near the place in the Xen Makefiles where the file is used.
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# Where to look for inlined subtrees (for example, from a tarball)
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QEMU_UPSTREAM_INTREE ?= $(XEN_ROOT)/tools/qemu-xen
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QEMU_TRADITIONAL_INTREE ?= $(XEN_ROOT)/tools/qemu-xen-traditional
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# Handle legacy options
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ifneq (,$(SEABIOS_UPSTREAM_TAG))
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SEABIOS_UPSTREAM_REVISION ?= $(SEABIOS_UPSTREAM_TAG)
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endif
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ifneq (,$(QEMU_REMOTE))
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QEMU_TRADITIONAL_URL ?= $(QEMU_REMOTE)
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endif
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ifneq (,$(CONFIG_QEMU))
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QEMU_TRADITIONAL_LOC ?= $(CONFIG_QEMU)
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endif
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ifneq (,$(QEMU_TAG))
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QEMU_TRADITIONAL_REVISION ?= $(QEMU_TAG)
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endif
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OVMF_UPSTREAM_URL ?= https://xenbits.xen.org/git-http/ovmf.git
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OVMF_UPSTREAM_REVISION ?= 7b4a99be8a39c12d3a7fc4b8db9f0eab4ac688d5
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QEMU_UPSTREAM_URL ?= https://xenbits.xen.org/git-http/qemu-xen.git
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QEMU_UPSTREAM_REVISION ?= master
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MINIOS_UPSTREAM_URL ?= https://xenbits.xen.org/git-http/mini-os.git
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MINIOS_UPSTREAM_REVISION ?= 5bcb28aaeba1c2506a82fab0cdad0201cd9b54b3
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SEABIOS_UPSTREAM_URL ?= https://xenbits.xen.org/git-http/seabios.git
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SEABIOS_UPSTREAM_REVISION ?= rel-1.16.1
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ETHERBOOT_NICS ?= rtl8139 8086100e
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QEMU_TRADITIONAL_URL ?= https://xenbits.xen.org/git-http/qemu-xen-traditional.git
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QEMU_TRADITIONAL_REVISION ?= 3d273dd05e51e5a1ffba3d98c7437ee84e8f8764
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# Wed Jul 15 10:01:40 2020 +0100
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# qemu-trad: remove Xen path dependencies
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# Specify which qemu-dm to use. This may be `ioemu' to use the old
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# Mercurial in-tree version, or a local directory, or a git URL.
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# QEMU_UPSTREAM_LOC ?= `pwd`/$(XEN_ROOT)/../qemu-xen.git
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# Defaults for subtree locations
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QEMU_TRADITIONAL_LOC ?= $(call or,$(wildcard $(QEMU_TRADITIONAL_INTREE)),\
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$(QEMU_TRADITIONAL_URL))
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QEMU_UPSTREAM_LOC ?= $(call or,$(wildcard $(QEMU_UPSTREAM_INTREE)),\
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$(QEMU_UPSTREAM_URL))
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CONFIG_TESTS ?= y
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