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58# -*- 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/ppc/powerpc/ -e s/i86pc/x86_32/)
XEN_TARGET_ARCH ?= $(XEN_COMPILE_ARCH)
XEN_OS ?= $(shell uname -s)
ifeq ($(XEN_TARGET_ARCH),x86_32)
XEN_TARGET_X86_PAE ?= y
endif
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 ?= /
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 += $(EXTRA_PREFIX)/$(LIBDIR)
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 "$(3)"; fi ;)
# cc-ver: Check compiler is at least specified version. Return boolean 'y'/'n'.
# Usage: ifeq ($(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
ifneq ($(debug),y)
CFLAGS += -DNDEBUG
else
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
HOSTCFLAGS += $(call cc-option,$(HOSTCC),-Wdeclaration-after-statement,)
CFLAGS += $(call cc-option,$(CC),-Wdeclaration-after-statement,)
LDFLAGS += $(foreach i, $(EXTRA_LIB), -L$(i))
CFLAGS += $(foreach i, $(EXTRA_INCLUDES), -I$(i))
# If ACM_SECURITY = y, then the access control module is compiled
# into Xen and the policy type can be set by the boot policy file
# y - Build the Xen ACM framework
# n - Do not build the Xen ACM framework
ACM_SECURITY ?= n
# Optional components
XENSTAT_XENTOP ?= y
VTPM_TOOLS ?= n
LIBXENAPI_BINDINGS ?= n
XENFB_TOOLS ?= n
PYTHON_TOOLS ?= y
-include $(XEN_ROOT)/.config
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