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kumquat-buildroot/package/qemu/qemu.mk
Yann E. MORIN 524b6b8559 package/qemu: fix build of host variant 
The Qemu buildsystem expects that the cpp it is passed can be called
like it were cc: it passes it the '-c' option, which is not allowed by
cpp, but is allowed for cc.

Fix that by overriding CPP when calling configure.

Note: the target variant of Qemu does not build the affected parts (the
PC-BIOS images). This is another problem that should be fixed separately.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Cc: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
2016-09-08 22:13:18 +02:00

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7.5 KiB
Makefile
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################################################################################
#
# qemu
#
################################################################################
QEMU_VERSION = 2.7.0
QEMU_SOURCE = qemu-$(QEMU_VERSION).tar.bz2
QEMU_SITE = http://wiki.qemu.org/download
QEMU_LICENSE = GPLv2, LGPLv2.1, MIT, BSD-3c, BSD-2c, Others/BSD-1c
QEMU_LICENSE_FILES = COPYING COPYING.LIB
# NOTE: there is no top-level license file for non-(L)GPL licenses;
# the non-(L)GPL license texts are specified in the affected
# individual source files.
#-------------------------------------------------------------
# Host-qemu
HOST_QEMU_DEPENDENCIES = host-pkgconf host-python host-zlib host-libglib2 host-pixman
# BR ARCH qemu
# ------- ----
# arm arm
# armeb armeb
# bfin not supported
# i486 i386
# i586 i386
# i686 i386
# x86_64 x86_64
# m68k m68k
# microblaze microblaze
# mips mips
# mipsel mipsel
# mips64 mips64
# mips64el mips64el
# powerpc ppc
# sh2a not supported
# sh4 sh4
# sh4eb sh4eb
# sh4a sh4
# sh4aeb sh4eb
# sh64 not supported
# sparc sparc
HOST_QEMU_ARCH = $(ARCH)
ifeq ($(HOST_QEMU_ARCH),i486)
HOST_QEMU_ARCH = i386
endif
ifeq ($(HOST_QEMU_ARCH),i586)
HOST_QEMU_ARCH = i386
endif
ifeq ($(HOST_QEMU_ARCH),i686)
HOST_QEMU_ARCH = i386
endif
ifeq ($(HOST_QEMU_ARCH),powerpc)
HOST_QEMU_ARCH = ppc
endif
ifeq ($(HOST_QEMU_ARCH),sh4a)
HOST_QEMU_ARCH = sh4
endif
ifeq ($(HOST_QEMU_ARCH),sh4aeb)
HOST_QEMU_ARCH = sh4eb
endif
ifeq ($(BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE),y)
HOST_QEMU_TARGETS += $(HOST_QEMU_ARCH)-softmmu
HOST_QEMU_OPTS += --enable-system --enable-fdt
HOST_QEMU_DEPENDENCIES += host-dtc
else
HOST_QEMU_OPTS += --disable-system
endif
ifeq ($(BR2_PACKAGE_HOST_QEMU_LINUX_USER_MODE),y)
HOST_QEMU_TARGETS += $(HOST_QEMU_ARCH)-linux-user
HOST_QEMU_OPTS += --enable-linux-user
HOST_QEMU_HOST_SYSTEM_TYPE = $(shell uname -s)
ifneq ($(HOST_QEMU_HOST_SYSTEM_TYPE),Linux)
$(error "qemu-user can only be used on Linux hosts")
endif
# kernel version as major*256 + minor
HOST_QEMU_HOST_SYSTEM_VERSION = $(shell uname -r | awk -F. '{ print $$1 * 256 + $$2 }')
HOST_QEMU_TARGET_SYSTEM_VERSION = $(shell echo $(BR2_TOOLCHAIN_HEADERS_AT_LEAST) | awk -F. '{ print $$1 * 256 + $$2 }')
HOST_QEMU_COMPARE_VERSION = $(shell test $(HOST_QEMU_HOST_SYSTEM_VERSION) -ge $(HOST_QEMU_TARGET_SYSTEM_VERSION) && echo OK)
#
# The principle of qemu-user is that it emulates the instructions of
# the target architecture when running the binary, and then when this
# binary does a system call, it converts this system call into a
# system call on the host machine. This mechanism makes an assumption:
# that the target binary will not do system calls that do not exist on
# the host. This basically requires that the target binary should be
# built with kernel headers that are older or the same as the kernel
# version running on the host machine.
#
ifeq ($(BR_BUILDING),y)
ifneq ($(HOST_QEMU_COMPARE_VERSION),OK)
$(error "Refusing to build qemu-user: target Linux version newer than host's.")
endif
endif # BR_BUILDING
else # BR2_PACKAGE_HOST_QEMU_LINUX_USER_MODE
HOST_QEMU_OPTS += --disable-linux-user
endif # BR2_PACKAGE_HOST_QEMU_LINUX_USER_MODE
ifeq ($(BR2_PACKAGE_HOST_QEMU_VDE2),y)
HOST_QEMU_OPTS += --enable-vde
HOST_QEMU_DEPENDENCIES += host-vde2
endif
# Override CPP, as it expects to be able to call it like it'd
# call the compiler.
define HOST_QEMU_CONFIGURE_CMDS
cd $(@D); $(HOST_CONFIGURE_OPTS) CPP="$(HOSTCC) -E" \
./configure \
--target-list="$(HOST_QEMU_TARGETS)" \
--prefix="$(HOST_DIR)/usr" \
--interp-prefix=$(STAGING_DIR) \
--cc="$(HOSTCC)" \
--host-cc="$(HOSTCC)" \
--python=$(HOST_DIR)/usr/bin/python2 \
--extra-cflags="$(HOST_CFLAGS)" \
--extra-ldflags="$(HOST_LDFLAGS)" \
$(HOST_QEMU_OPTS)
endef
define HOST_QEMU_BUILD_CMDS
$(HOST_MAKE_ENV) $(MAKE) -C $(@D)
endef
define HOST_QEMU_INSTALL_CMDS
$(HOST_MAKE_ENV) $(MAKE) -C $(@D) install
endef
$(eval $(host-generic-package))
# variable used by other packages
QEMU_USER = $(HOST_DIR)/usr/bin/qemu-$(HOST_QEMU_ARCH)
#-------------------------------------------------------------
# Target-qemu
QEMU_DEPENDENCIES = host-pkgconf host-python libglib2 zlib pixman
# Need the LIBS variable because librt and libm are
# not automatically pulled. :-(
QEMU_LIBS = -lrt -lm
QEMU_OPTS =
QEMU_VARS = \
LIBTOOL=$(HOST_DIR)/usr/bin/libtool \
PYTHON=$(HOST_DIR)/usr/bin/python2 \
PYTHONPATH=$(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR)/site-packages
# If we want to specify only a subset of targets, we must still enable all
# of them, so that QEMU properly builds its list of default targets, from
# which it then checks if the specified sub-set is valid. That's what we
# do in the first part of the if-clause.
# Otherwise, if we do not want to pass a sub-set of targets, we then need
# to either enable or disable -user and/or -system emulation appropriately.
# That's what we do in the else-clause.
ifneq ($(call qstrip,$(BR2_PACKAGE_QEMU_CUSTOM_TARGETS)),)
QEMU_OPTS += --enable-system --enable-linux-user
QEMU_OPTS += --target-list="$(call qstrip,$(BR2_PACKAGE_QEMU_CUSTOM_TARGETS))"
else
ifeq ($(BR2_PACKAGE_QEMU_SYSTEM),y)
QEMU_OPTS += --enable-system
else
QEMU_OPTS += --disable-system
endif
ifeq ($(BR2_PACKAGE_QEMU_LINUX_USER),y)
QEMU_OPTS += --enable-linux-user
else
QEMU_OPTS += --disable-linux-user
endif
endif
ifeq ($(BR2_PACKAGE_QEMU_SDL),y)
QEMU_OPTS += --enable-sdl
QEMU_DEPENDENCIES += sdl
QEMU_VARS += SDL_CONFIG=$(BR2_STAGING_DIR)/usr/bin/sdl-config
else
QEMU_OPTS += --disable-sdl
endif
ifeq ($(BR2_PACKAGE_QEMU_FDT),y)
QEMU_OPTS += --enable-fdt
QEMU_DEPENDENCIES += dtc
else
QEMU_OPTS += --disable-fdt
endif
define QEMU_CONFIGURE_CMDS
( cd $(@D); \
LIBS='$(QEMU_LIBS)' \
$(TARGET_CONFIGURE_OPTS) \
$(TARGET_CONFIGURE_ARGS) \
$(QEMU_VARS) \
./configure \
--prefix=/usr \
--cross-prefix=$(TARGET_CROSS) \
--with-system-pixman \
--audio-drv-list= \
--enable-kvm \
--enable-attr \
--enable-vhost-net \
--disable-bsd-user \
--disable-xen \
--disable-slirp \
--disable-vnc \
--disable-virtfs \
--disable-brlapi \
--disable-curses \
--disable-curl \
--disable-bluez \
--disable-uuid \
--disable-vde \
--disable-linux-aio \
--disable-cap-ng \
--disable-docs \
--disable-spice \
--disable-rbd \
--disable-libiscsi \
--disable-usb-redir \
--disable-strip \
--disable-seccomp \
--disable-sparse \
--disable-tools \
$(QEMU_OPTS) \
)
endef
define QEMU_BUILD_CMDS
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)
endef
define QEMU_INSTALL_TARGET_CMDS
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) $(QEMU_MAKE_ENV) DESTDIR=$(TARGET_DIR) install
endef
$(eval $(generic-package))
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