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kumquat-buildroot/package/qemu/qemu.mk
Carlos Santos 44be514b21 package/qemu: refactor target emulator selection 
The current mechanism to select emulation targets works this way:

- BR2_PACKAGE_QEMU_SYSTEM selects the "system" (softmmu) targets. It
  selects FDT and creates a dependency on the "dtc" package but this is
  not always necessary. Only 14 system targets, out of 31, actually
  require FDT.

- BR2_PACKAGE_QEMU_LINUX_USER selects the "linux-user" targets. It does
  not select FDT, which is not required by linux-user emulators.

- Alternatively, we fill BR2_PACKAGE_QEMU_CUSTOM_TARGETS with a list of
  emulators (e.g.  "x86_64-softmmu x86_64-linux-user"). Then we pass
  "--enable-system --enable-linux-user --target-list="..." to the
  configure script, so QEMU builds its list of default targets, from
  which it checks if the specified subset is valid.

Since CUSTOM_TARGETS does not select FDT, we can get build errors like
this:

  ../meson.build:2778:2: ERROR: Problem encountered: fdt not available but required by targets x86_64-softmmu

We could select FDT when CUSTOM_TARGETS is set, but this would force an
unnecessary dependency on dtc, as BR2_PACKAGE_QEMU_SYSTEM does.

In order to fix these problems, refactor the package configuration:

- Keep BR2_PACKAGE_QEMU_SYSTEM and BR2_PACKAGE_QEMU_LINUX_USER, which by
  default build all corresponding target emulators.

- Add a BR2_PACKAGE_QEMU_CHOOSE_TARGETS config, to permit choosing the
  desired emulators.

- Add configs for each supported target. They select FDT, when needed.

- Move QEMU to a separate menu, since the number of configuration itens
  became too large.

- Select BR2_LEGACY if BR2_PACKAGE_QEMU_CUSTOM_TARGETS is set, because
  this situation requires user intervention to reconfigure the package.

- Reorganize the make file accordingly. Selecting CHOOSE_TARGETS without
  choosing at least one emulator is considered an error.

Notes about the list of enabled targets:

- when the user enables both system and user emulation, we provide no
  way to be able to build all system bt only parts of user (or the other
  way around), because the qemu build system does not allow that: when a
  list of target is passed, it applies to both system and user
  emulation;

- as a consequence and in the same spirit, we also do not sanity-check
  that at least one system, resp. user, target is enabled when system,
  resp. user, emulation is enabled; we only require that one target is
  enabled, so that the list is not empty.

Signed-off-by: Carlos Santos <unixmania@gmail.com>
[yann.morin.1998@free.fr:
  - always build at least user or system
  - add help text to BR2_PACKAGE_QEMU_CHOOSE_TARGETS
  - simplify prompt for BR2_PACKAGE_QEMU_CHOOSE_TARGETS
  - simplify list of targets with unique QEMU_TARGET_LIST_y
  - extend the commit log with "Notes about the list of enabled targets"
]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
2022-12-29 22:34:52 +01:00

500 lines
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################################################################################
#
# qemu
#
################################################################################
# When updating the version, check whether the list of supported targets
# needs to be updated.
QEMU_VERSION = 7.2.0
QEMU_SOURCE = qemu-$(QEMU_VERSION).tar.xz
QEMU_SITE = http://download.qemu.org
QEMU_LICENSE = GPL-2.0, LGPL-2.1, MIT, BSD-3-Clause, BSD-2-Clause, Others/BSD-1c
QEMU_LICENSE_FILES = COPYING COPYING.LIB
# NOTE: there is no top-level license file for non-(L)GPL licenses;
# the non-(L)GPL license texts are specified in the affected
# individual source files.
QEMU_CPE_ID_VENDOR = qemu
#-------------------------------------------------------------
# The build system is now partly based on Meson.
# However, building is still done with configure and make as in previous versions of QEMU.
# Target-qemu
QEMU_DEPENDENCIES = \
host-meson \
host-pkgconf \
host-python3 \
libglib2 \
pixman \
zlib
# Need the LIBS variable because librt and libm are
# not automatically pulled. :-(
QEMU_LIBS = -lrt -lm
QEMU_OPTS =
QEMU_VARS = LIBTOOL=$(HOST_DIR)/bin/libtool
# If we want to build all emulation targets, we just need to either enable -user
# and/or -system emulation appropriately.
# Otherwise, if we want only a subset of targets, we must still enable all of
# them, so that QEMU properly builds a list of default targets from which it
# checks if the specified sub-set is valid.
ifeq ($(BR2_PACKAGE_QEMU_SYSTEM),y)
QEMU_OPTS += --enable-system
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_AARCH64) += aarch64-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_ALPHA) += alpha-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_ARM) += arm-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_AVR) += avr-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_CRIS) += cris-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_HPPA) += hppa-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_I386) += i386-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_LOONGARCH64) += loongarch64-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_M68K) += m68k-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_MICROBLAZE) += microblaze-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_MICROBLAZEEL) += microblazeel-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_MIPS) += mips-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_MIPS64) += mips64-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_MIPS64EL) += mips64el-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_MIPSEL) += mipsel-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_NIOS2) += nios2-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_OR1K) += or1k-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_PPC) += ppc-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_PPC64) += ppc64-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_RISCV32) += riscv32-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_RISCV64) += riscv64-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_RX) += rx-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_S390X) += s390x-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_SH4) += sh4-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_SH4EB) += sh4eb-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_SPARC) += sparc-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_SPARC64) += sparc64-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_TRICORE) += tricore-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_X86_64) += x86_64-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_XTENSA) += xtensa-softmmu
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_XTENSAEB) += xtensaeb-softmmu
else
QEMU_OPTS += --disable-system
endif
ifeq ($(BR2_PACKAGE_QEMU_LINUX_USER),y)
QEMU_OPTS += --enable-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_AARCH64) += aarch64-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_AARCH64_BE) += aarch64_be-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_ALPHA) += alpha-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_ARM) += arm-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_ARMEB) += armeb-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_CRIS) += cris-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_HEXAGON) += hexagon-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_HPPA) += hppa-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_I386) += i386-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_LOONGARCH64) += loongarch64-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_M68K) += m68k-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_MICROBLAZE) += microblaze-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_MICROBLAZEEL) += microblazeel-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_MIPS) += mips-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_MIPS64) += mips64-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_MIPS64EL) += mips64el-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_MIPSEL) += mipsel-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_MIPSN32) += mipsn32-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_MIPSN32EL) += mipsn32el-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_NIOS2) += nios2-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_OR1K) += or1k-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_PPC) += ppc-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_PPC64) += ppc64-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_PPC64LE) += ppc64le-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_RISCV32) += riscv32-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_RISCV64) += riscv64-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_S390X) += s390x-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_SH4) += sh4-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_SH4EB) += sh4eb-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_SPARC) += sparc-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_SPARC32PLUS) += sparc32plus-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_SPARC64) += sparc64-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_X86_64) += x86_64-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_XTENSA) += xtensa-linux-user
QEMU_TARGET_LIST_$(BR2_PACKAGE_QEMU_TARGET_XTENSAEB) += xtensaeb-linux-user
else
QEMU_OPTS += --disable-linux-user
endif
# Build the list of desired targets, if any.
ifeq ($(BR2_PACKAGE_QEMU_CHOOSE_TARGETS),y)
QEMU_TARGET_LIST = $(strip $(QEMU_TARGET_LIST_y))
ifeq ($(BR_BUILDING).$(QEMU_TARGET_LIST),y.)
$(error "No emulator target has ben chosen")
endif
QEMU_OPTS += --target-list="$(QEMU_TARGET_LIST)"
endif
ifeq ($(BR2_TOOLCHAIN_USES_UCLIBC),y)
QEMU_OPTS += --disable-vhost-user
else
QEMU_OPTS += --enable-vhost-user
endif
ifeq ($(BR2_PACKAGE_QEMU_SLIRP),y)
QEMU_OPTS += --enable-slirp
QEMU_DEPENDENCIES += slirp
else
QEMU_OPTS += --disable-slirp
endif
ifeq ($(BR2_PACKAGE_QEMU_SDL),y)
QEMU_OPTS += --enable-sdl
QEMU_DEPENDENCIES += sdl2
QEMU_VARS += SDL2_CONFIG=$(STAGING_DIR)/usr/bin/sdl2-config
else
QEMU_OPTS += --disable-sdl
endif
ifeq ($(BR2_PACKAGE_QEMU_FDT),y)
QEMU_OPTS += --enable-fdt
QEMU_DEPENDENCIES += dtc
else
QEMU_OPTS += --disable-fdt
endif
ifeq ($(BR2_PACKAGE_QEMU_TOOLS),y)
QEMU_OPTS += --enable-tools
else
QEMU_OPTS += --disable-tools
endif
ifeq ($(BR2_PACKAGE_LIBFUSE3),y)
QEMU_OPTS += --enable-fuse --enable-fuse-lseek
QEMU_DEPENDENCIES += libfuse3
else
QEMU_OPTS += --disable-fuse --disable-fuse-lseek
endif
ifeq ($(BR2_PACKAGE_LIBSECCOMP),y)
QEMU_OPTS += --enable-seccomp
QEMU_DEPENDENCIES += libseccomp
else
QEMU_OPTS += --disable-seccomp
endif
ifeq ($(BR2_PACKAGE_LIBSSH),y)
QEMU_OPTS += --enable-libssh
QEMU_DEPENDENCIES += libssh
else
QEMU_OPTS += --disable-libssh
endif
ifeq ($(BR2_PACKAGE_LIBUSB),y)
QEMU_OPTS += --enable-libusb
QEMU_DEPENDENCIES += libusb
else
QEMU_OPTS += --disable-libusb
endif
ifeq ($(BR2_PACKAGE_LIBVNCSERVER),y)
QEMU_OPTS += \
--enable-vnc \
--disable-vnc-sasl
QEMU_DEPENDENCIES += libvncserver
ifeq ($(BR2_PACKAGE_LIBPNG),y)
QEMU_OPTS += --enable-png
QEMU_DEPENDENCIES += libpng
else
QEMU_OPTS += --disable-png
endif
ifeq ($(BR2_PACKAGE_JPEG),y)
QEMU_OPTS += --enable-vnc-jpeg
QEMU_DEPENDENCIES += jpeg
else
QEMU_OPTS += --disable-vnc-jpeg
endif
else
QEMU_OPTS += --disable-vnc
endif
ifeq ($(BR2_PACKAGE_NETTLE),y)
QEMU_OPTS += --enable-nettle
QEMU_DEPENDENCIES += nettle
else
QEMU_OPTS += --disable-nettle
endif
ifeq ($(BR2_PACKAGE_NUMACTL),y)
QEMU_OPTS += --enable-numa
QEMU_DEPENDENCIES += numactl
else
QEMU_OPTS += --disable-numa
endif
ifeq ($(BR2_PACKAGE_SPICE),y)
QEMU_OPTS += --enable-spice
QEMU_DEPENDENCIES += spice
else
QEMU_OPTS += --disable-spice
endif
ifeq ($(BR2_PACKAGE_USBREDIR),y)
QEMU_OPTS += --enable-usb-redir
QEMU_DEPENDENCIES += usbredir
else
QEMU_OPTS += --disable-usb-redir
endif
ifeq ($(BR2_STATIC_LIBS),y)
QEMU_OPTS += --static
endif
# Override CPP, as it expects to be able to call it like it'd
# call the compiler.
define QEMU_CONFIGURE_CMDS
unset TARGET_DIR; \
cd $(@D); \
LIBS='$(QEMU_LIBS)' \
$(TARGET_CONFIGURE_OPTS) \
$(TARGET_CONFIGURE_ARGS) \
CPP="$(TARGET_CC) -E" \
$(QEMU_VARS) \
./configure \
--prefix=/usr \
--cross-prefix=$(TARGET_CROSS) \
--audio-drv-list= \
--meson=$(HOST_DIR)/bin/meson \
--ninja=$(HOST_DIR)/bin/ninja \
--disable-alsa \
--disable-bpf \
--disable-brlapi \
--disable-bsd-user \
--disable-cap-ng \
--disable-capstone \
--disable-containers \
--disable-coreaudio \
--disable-curl \
--disable-curses \
--disable-dbus-display \
--disable-docs \
--disable-dsound \
--disable-hvf \
--disable-jack \
--disable-libiscsi \
--disable-linux-aio \
--disable-linux-io-uring \
--disable-malloc-trim \
--disable-membarrier \
--disable-mpath \
--disable-netmap \
--disable-opengl \
--disable-oss \
--disable-pa \
--disable-rbd \
--disable-sanitizers \
--disable-selinux \
--disable-sparse \
--disable-strip \
--disable-vde \
--disable-vhost-crypto \
--disable-vhost-user-blk-server \
--disable-virtfs \
--disable-virtiofsd \
--disable-whpx \
--disable-xen \
--enable-attr \
--enable-kvm \
--enable-vhost-net \
--with-git-submodules=ignore \
$(QEMU_OPTS)
endef
define QEMU_BUILD_CMDS
unset TARGET_DIR; \
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D)
endef
define QEMU_INSTALL_TARGET_CMDS
unset TARGET_DIR; \
$(TARGET_MAKE_ENV) $(MAKE) -C $(@D) $(QEMU_MAKE_ENV) DESTDIR=$(TARGET_DIR) install
endef
$(eval $(generic-package))
#-------------------------------------------------------------
# Host-qemu
HOST_QEMU_DEPENDENCIES = \
host-libglib2 \
host-meson \
host-pixman \
host-pkgconf \
host-python3 \
host-slirp \
host-zlib
# BR ARCH qemu
# ------- ----
# arm arm
# armeb armeb
# i486 i386
# i586 i386
# i686 i386
# x86_64 x86_64
# m68k m68k
# microblaze microblaze
# mips mips
# mipsel mipsel
# mips64 mips64
# mips64el mips64el
# nios2 nios2
# or1k or1k
# powerpc ppc
# powerpc64 ppc64
# powerpc64le ppc64 (system) / ppc64le (usermode)
# sh2a not supported
# sh4 sh4
# sh4eb sh4eb
# sh4a sh4
# sh4aeb sh4eb
# sparc sparc
# sparc64 sparc64
# xtensa xtensa
HOST_QEMU_ARCH = $(ARCH)
ifeq ($(HOST_QEMU_ARCH),armeb)
HOST_QEMU_SYS_ARCH = arm
endif
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 ($(HOST_QEMU_ARCH),powerpc64)
HOST_QEMU_ARCH = ppc64
endif
ifeq ($(HOST_QEMU_ARCH),powerpc64le)
HOST_QEMU_ARCH = ppc64le
HOST_QEMU_SYS_ARCH = ppc64
endif
ifeq ($(HOST_QEMU_ARCH),sh4a)
HOST_QEMU_ARCH = sh4
endif
ifeq ($(HOST_QEMU_ARCH),sh4aeb)
HOST_QEMU_ARCH = sh4eb
endif
HOST_QEMU_SYS_ARCH ?= $(HOST_QEMU_ARCH)
HOST_QEMU_CFLAGS = $(HOST_CFLAGS)
ifeq ($(BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE),y)
HOST_QEMU_TARGETS += $(HOST_QEMU_SYS_ARCH)-softmmu
HOST_QEMU_OPTS += --enable-system --enable-fdt
HOST_QEMU_CFLAGS += -I$(HOST_DIR)/include/libfdt
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)
$(error "qemu-user can only be used on Linux hosts")
endif
else # BR2_PACKAGE_HOST_QEMU_LINUX_USER_MODE
HOST_QEMU_OPTS += --disable-linux-user
endif # BR2_PACKAGE_HOST_QEMU_LINUX_USER_MODE
ifeq ($(BR2_PACKAGE_HOST_QEMU_VDE2),y)
HOST_QEMU_OPTS += --enable-vde
HOST_QEMU_DEPENDENCIES += host-vde2
endif
# virtfs-proxy-helper is the only user of libcap-ng.
ifeq ($(BR2_PACKAGE_HOST_QEMU_VIRTFS),y)
HOST_QEMU_OPTS += --enable-virtfs --enable-cap-ng
HOST_QEMU_DEPENDENCIES += host-libcap-ng
else
HOST_QEMU_OPTS += --disable-virtfs --disable-cap-ng
endif
ifeq ($(BR2_PACKAGE_HOST_QEMU_USB),y)
HOST_QEMU_OPTS += --enable-libusb
HOST_QEMU_DEPENDENCIES += host-libusb
else
HOST_QEMU_OPTS += --disable-libusb
endif
# Override CPP, as it expects to be able to call it like it'd
# call the compiler.
define HOST_QEMU_CONFIGURE_CMDS
unset TARGET_DIR; \
cd $(@D); $(HOST_CONFIGURE_OPTS) CPP="$(HOSTCC) -E" \
./configure \
--target-list="$(HOST_QEMU_TARGETS)" \
--prefix="$(HOST_DIR)" \
--interp-prefix=$(STAGING_DIR) \
--cc="$(HOSTCC)" \
--host-cc="$(HOSTCC)" \
--extra-cflags="$(HOST_QEMU_CFLAGS)" \
--extra-ldflags="$(HOST_LDFLAGS)" \
--meson=$(HOST_DIR)/bin/meson \
--ninja=$(HOST_DIR)/bin/ninja \
--disable-alsa \
--disable-bpf \
--disable-bzip2 \
--disable-containers \
--disable-coreaudio \
--disable-curl \
--disable-dbus-display \
--disable-docs \
--disable-dsound \
--disable-jack \
--disable-libssh \
--disable-linux-aio \
--disable-linux-io-uring \
--disable-netmap \
--disable-oss \
--disable-pa \
--disable-sdl \
--disable-selinux \
--disable-vde \
--disable-vhost-user-blk-server \
--disable-virtiofsd \
--disable-vnc-jpeg \
--disable-png \
--disable-vnc-sasl \
--enable-slirp \
--enable-tools \
$(HOST_QEMU_OPTS)
endef
define HOST_QEMU_BUILD_CMDS
unset TARGET_DIR; \
$(HOST_MAKE_ENV) $(MAKE) -C $(@D)
endef
define HOST_QEMU_INSTALL_CMDS
unset TARGET_DIR; \
$(HOST_MAKE_ENV) $(MAKE) -C $(@D) install
endef
# install symlink to qemu-system
define HOST_QEMU_POST_INSTALL_SYMLINK
ln -sf ./qemu-system-$(HOST_QEMU_ARCH) $(HOST_DIR)/bin/qemu-system
endef
HOST_QEMU_POST_INSTALL_HOOKS += HOST_QEMU_POST_INSTALL_SYMLINK
$(eval $(host-generic-package))
# variable used by other packages
QEMU_USER = $(HOST_DIR)/bin/qemu-$(HOST_QEMU_ARCH)
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