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# -*- mode: Makefile; -*-
# A debug build of Xen and tools?
debug ?= n
XEN_COMPILE_ARCH ?= $(shell uname -m | sed -e s/i.86/x86_32/ \
-e s/i86pc/x86_32/ -e s/amd64/x86_64/)
XEN_TARGET_ARCH ?= $(XEN_COMPILE_ARCH)
XEN_OS ?= $(shell uname -s)
CONFIG_$(XEN_OS) := y
SHELL ?= /bin/sh
# Tools to run on system hosting the build
HOSTCC = gcc
HOSTCFLAGS = -Wall -Werror -Wstrict-prototypes -O2 -fomit-frame-pointer
HOSTCFLAGS += -fno-strict-aliasing
DISTDIR ?= $(XEN_ROOT)/dist
DESTDIR ?= /
# Allow phony attribute to be listed as dependency rather than fake target
.PHONY: .phony
include $(XEN_ROOT)/config/$(XEN_OS).mk
include $(XEN_ROOT)/config/$(XEN_TARGET_ARCH).mk
SHAREDIR ?= $(PREFIX)/share
DOCDIR ?= $(SHAREDIR)/doc/xen
MANDIR ?= $(SHAREDIR)/man
BASH_COMPLETION_DIR ?= $(CONFIG_DIR)/bash_completion.d
# arguments: variable, common path part, path to test, if yes, if no
define setvar_dir
ifndef $(1)
ifneq (,$(wildcard $(2)$(3)))
$(1) ?= $(2)$(4)
else
$(1) ?= $(2)$(5)
endif
endif
endef
# See distro_mapping.txt for other options
$(eval $(call setvar_dir,CONFIG_LEAF_DIR,,/etc/sysconfig,sysconfig,default))
$(eval $(call setvar_dir,SUBSYS_DIR,/var/run,/subsys,/subsys,))
$(eval $(call setvar_dir,INITD_DIR,/etc,/rc.d/init.d,/rc.d/init.d,/init.d))
ifneq ($(EXTRA_PREFIX),)
EXTRA_INCLUDES += $(EXTRA_PREFIX)/include
EXTRA_LIB += $(EXTRA_LIBDIR)
endif
BISON ?= bison
FLEX ?= flex
PYTHON ?= python
PYTHON_PREFIX_ARG ?= --home="$(PRIVATE_PREFIX)"
# The above requires that PREFIX contains *no spaces*. This variable is here
# to permit the user to set PYTHON_PREFIX_ARG to '' to workaround this bug:
# https://bugs.launchpad.net/ubuntu/+bug/362570
# cc-option: Check if compiler supports first option, else fall back to second.
#
# This is complicated by the fact that unrecognised -Wno-* options:
# (a) are ignored unless the compilation emits a warning; and
# (b) even then produce a warning rather than an error
# To handle this we do a test compile, passing the option-under-test, on a code
# fragment that will always produce a warning (integer assigned to pointer).
# We then grep for the option-under-test in the compiler's output, the presence
# of which would indicate an "unrecognized command-line option" warning/error.
#
# Usage: cflags-y += $(call cc-option,$(CC),-march=winchip-c6,-march=i586)
cc-option = $(shell if test -z "`echo 'void*p=1;' | \
$(1) $(2) -S -o /dev/null -xc - 2>&1 | grep -- $(2) -`"; \
then echo "$(2)"; else echo "$(3)"; fi ;)
# cc-option-add: Add an option to compilation flags, but only if supported.
# Usage: $(call cc-option-add CFLAGS,CC,-march=winchip-c6)
cc-option-add = $(eval $(call cc-option-add-closure,$(1),$(2),$(3)))
define cc-option-add-closure
ifneq ($$(call cc-option,$$($(2)),$(3),n),n)
$(1) += $(3)
endif
endef
cc-options-add = $(foreach o,$(3),$(call cc-option-add,$(1),$(2),$(o)))
# cc-ver: Check compiler is at least specified version. Return boolean 'y'/'n'.
# Usage: ifeq ($(call cc-ver,$(CC),0x030400),y)
cc-ver = $(shell if [ $$((`$(1) -dumpversion | awk -F. \
'{ printf "0x%02x%02x%02x", $$1, $$2, $$3}'`)) -ge $$(($(2))) ]; \
then echo y; else echo n; fi ;)
# cc-ver-check: Check compiler is at least specified version, else fail.
# Usage: $(call cc-ver-check,CC,0x030400,"Require at least gcc-3.4")
cc-ver-check = $(eval $(call cc-ver-check-closure,$(1),$(2),$(3)))
define cc-ver-check-closure
ifeq ($$(call cc-ver,$$($(1)),$(2)),n)
override $(1) = echo "*** FATAL BUILD ERROR: "$(3) >&2; exit 1;
cc-option := n
endif
endef
define buildmakevars2shellvars
export PREFIX="$(PREFIX)"; \
export XEN_SCRIPT_DIR="$(XEN_SCRIPT_DIR)"; \
export XEN_ROOT="$(XEN_ROOT)"
endef
buildmakevars2file = $(eval $(call buildmakevars2file-closure,$(1)))
define buildmakevars2file-closure
.PHONY: genpath
genpath:
rm -f $(1).tmp; \
echo "SBINDIR=\"$(SBINDIR)\"" >> $(1).tmp; \
echo "BINDIR=\"$(BINDIR)\"" >> $(1).tmp; \
echo "LIBEXEC=\"$(LIBEXEC)\"" >> $(1).tmp; \
echo "LIBDIR=\"$(LIBDIR)\"" >> $(1).tmp; \
echo "SHAREDIR=\"$(SHAREDIR)\"" >> $(1).tmp; \
echo "PRIVATE_BINDIR=\"$(PRIVATE_BINDIR)\"" >> $(1).tmp; \
echo "XENFIRMWAREDIR=\"$(XENFIRMWAREDIR)\"" >> $(1).tmp; \
echo "XEN_CONFIG_DIR=\"$(XEN_CONFIG_DIR)\"" >> $(1).tmp; \
echo "XEN_SCRIPT_DIR=\"$(XEN_SCRIPT_DIR)\"" >> $(1).tmp; \
echo "XEN_LOCK_DIR=\"$(XEN_LOCK_DIR)\"" >> $(1).tmp; \
if ! cmp $(1).tmp $(1); then mv -f $(1).tmp $(1); fi
endef
ifeq ($(debug),y)
CFLAGS += -g
endif
CFLAGS += -fno-strict-aliasing
CFLAGS += -std=gnu99
CFLAGS += -Wall -Wstrict-prototypes
# -Wunused-value makes GCC 4.x too aggressive for my taste: ignoring the
# result of any casted expression causes a warning.
CFLAGS += -Wno-unused-value
$(call cc-option-add,HOSTCFLAGS,HOSTCC,-Wdeclaration-after-statement)
$(call cc-option-add,CFLAGS,CC,-Wdeclaration-after-statement)
$(call cc-option-add,CFLAGS,CC,-Wno-unused-but-set-variable)
LDFLAGS += $(foreach i, $(EXTRA_LIB), -L$(i))
CFLAGS += $(foreach i, $(EXTRA_INCLUDES), -I$(i))
EMBEDDED_EXTRA_CFLAGS := -nopie -fno-stack-protector -fno-stack-protector-all
EMBEDDED_EXTRA_CFLAGS += -fno-exceptions
# Enable XSM security module. Enabling XSM requires selection of an
# XSM security module (FLASK_ENABLE or ACM_SECURITY).
XSM_ENABLE ?= n
FLASK_ENABLE ?= n
ACM_SECURITY ?= n
# Download GIT repositories via HTTP or GIT's own protocol?
# GIT's protocol is faster and more robust, when it works at all (firewalls
# may block it). We make it the default, but if your GIT repository downloads
# fail or hang, please specify GIT_HTTP=y in your environment.
GIT_HTTP ?= n
XEN_EXTFILES_URL=http://xenbits.xensource.com/xen-extfiles
# All the files at that location were downloaded from elsewhere on
# the internet. The original download URL is preserved as a comment
# near the place in the Xen Makefiles where the file is used.
ifeq ($(GIT_HTTP),y)
QEMU_REMOTE=http://xenbits.xensource.com/git-http/qemu-xen-4.1-testing.git
else
QEMU_REMOTE=git://xenbits.xensource.com/qemu-xen-4.1-testing.git
endif
# Specify which qemu-dm to use. This may be `ioemu' to use the old
# Mercurial in-tree version, or a local directory, or a git URL.
# CONFIG_QEMU ?= `pwd`/$(XEN_ROOT)/../qemu-xen.git
CONFIG_QEMU ?= $(QEMU_REMOTE)
QEMU_TAG := xen-4.1.2
#QEMU_TAG ?= e073e69457b4d99b6da0b6536296e3498f7f6599
# Fri Feb 11 17:54:51 2011 +0000
# qemu-xen: fix segfault with empty cdroms
# Optional components
XENSTAT_XENTOP ?= y
VTPM_TOOLS ?= n
LIBXENAPI_BINDINGS ?= n
PYTHON_TOOLS ?= y
OCAML_TOOLS ?= y
CONFIG_MINITERM ?= n
CONFIG_LOMOUNT ?= n
ifeq ($(OCAML_TOOLS),y)
OCAML_TOOLS := $(shell ocamlopt -v > /dev/null 2>&1 && echo "y" || echo "n")
endif
-include $(XEN_ROOT)/.config
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