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# -*- mode: Makefile; -*-
# A debug build of Xen and tools?
debug ?= y ## TEMPORARILY ENABLED
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 ?= /
DOCDIR ?= /usr/share/doc/xen
MANDIR ?= /usr/share/man
# 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
ifneq ($(EXTRA_PREFIX),)
EXTRA_INCLUDES += $(EXTRA_PREFIX)/include
EXTRA_LIB += $(EXTRA_PREFIX)/$(LIBLEAFDIR)
endif
# cc-option: Check if compiler supports first option, else fall back to second.
# Usage: cflags-y += $(call cc-option,$(CC),-march=winchip-c6,-march=i586)
cc-option = $(shell if test -z "`$(1) $(2) -S -o /dev/null -xc \
/dev/null 2>&1`"; then echo "$(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) += $(3)
endif
endef
# cc-ver: Check compiler is at least specified version. Return boolean 'y'/'n'.
# Usage: ifeq ($(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,$$($(1)),$(2)),n)
override $(1) = echo "*** FATAL BUILD ERROR: "$(3) >&2; exit 1;
cc-option := n
endif
endef
define absolutify_xen_root
case "$(XEN_ROOT)" in \
/*) XEN_ROOT=$(XEN_ROOT) ;; \
*) xen_root_lhs=`pwd`; \
xen_root_rhs=$(XEN_ROOT)/; \
while [ "x$${xen_root_rhs#../}" != "x$$xen_root_rhs" ]; do \
xen_root_rhs="$${xen_root_rhs#../}"; \
xen_root_rhs="$${xen_root_rhs#/}"; \
xen_root_rhs="$${xen_root_rhs#/}"; \
xen_root_lhs="$${xen_root_lhs%/*}"; \
done; \
XEN_ROOT="$$xen_root_lhs/$$xen_root_rhs" ;; \
esac; \
export XEN_ROOT
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)
LDFLAGS += $(foreach i, $(EXTRA_LIB), -L$(i))
CFLAGS += $(foreach i, $(EXTRA_INCLUDES), -I$(i))
# 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
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.
QEMU_REMOTE=http://xenbits.xensource.com/git-http/qemu-xen-unstable.git
# 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 ?= ../qemu-xen.git
CONFIG_QEMU ?= $(QEMU_REMOTE)
# Optional components
XENSTAT_XENTOP ?= y
VTPM_TOOLS ?= n
LIBXENAPI_BINDINGS ?= n
PYTHON_TOOLS ?= y
CONFIG_MINITERM ?= n
CONFIG_LOMOUNT ?= n
-include $(XEN_ROOT)/.config
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