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|
HOMEPAGE = "http://xen.org"
LICENSE = "GPL-2.0-only"
SECTION = "console/tools"
TOOLCHAIN = "gcc"
inherit autotools-brokensep pkgconfig
require xen-arch.inc
PACKAGECONFIG ??= " \
${@bb.utils.contains('DISTRO_FEATURES', 'systemd', 'systemd', '', d)} \
"
PACKAGECONFIG[lzo] = ",,lzo"
PACKAGECONFIG[xsm] = "--enable-xsmpolicy,--disable-xsmpolicy,checkpolicy-native,"
PACKAGECONFIG[systemd] = "--enable-systemd,--disable-systemd,systemd,"
PACKAGECONFIG[externalblktap] = ",,,"
DEPENDS = " \
${@bb.utils.contains('XEN_TARGET_ARCH', 'x86_64', 'dev86-native', '', d)} \
bison-native \
flex-native \
file-native \
gettext-native \
acpica-native \
ncurses-native \
util-linux-native \
xz-native \
bridge-utils \
curl \
dtc \
gettext \
glib-2.0 \
gnutls \
iproute2 \
libnl \
ncurses \
openssl \
pciutils \
pixman \
procps \
python3 \
libaio \
util-linux \
xz \
yajl \
zlib \
gnu-efi \
"
#### REQUIRED ENVIRONMENT VARIABLES ####
export BUILD_SYS
export HOST_SYS
export STAGING_INCDIR
export STAGING_LIBDIR
# specify xen hypervisor to build/target
export XEN_TARGET_ARCH = "${@map_xen_arch(d.getVar('TARGET_ARCH'), d)}"
export XEN_COMPILE_ARCH = "${@map_xen_arch(d.getVar('BUILD_ARCH'), d)}"
python () {
if d.getVar('XEN_TARGET_ARCH') == 'INVALID':
raise bb.parse.SkipPackage('Cannot map `%s` to a xen architecture' % d.getVar('TARGET_ARCH'))
}
# Yocto appends ${PN} to libexecdir by default and Xen appends 'xen' as well
# the result is a nested xen/xen/ so let's avoid that by shunning Yocto's
# extra ${PN} appended.
libexecdir = "${libdir}"
# hardcoded as Linux, as the only compatible hosts are Linux.
export XEN_OS = "Linux"
# this is used for the header (#!${bindir}/python) of the install python scripts
export PYTHONPATH="${bindir}/env python3"
export ac_cv_path_PYTHONPATH="${bindir}/env python3"
export DISTUTILS_BUILD_ARGS
export DISTUTILS_INSTALL_ARGS
# xen and seabios require HOSTCC and HOSTCXX set to cross-compile
export HOSTCC="${BUILD_CC}"
export HOSTCXX="${BUILD_CXX}"
# make xen requires CROSS_COMPILE set by hand as it does not abide by ./configure
export CROSS_COMPILE="${TARGET_PREFIX}"
# overide LDFLAGS to allow xen to build without: "x86_64-oe-linux-ld: unrecognized option '-Wl,-O1'"
export LDFLAGS=""
# No additional C flags for the main hypervisor build
EXTRA_CFLAGS_XEN_CORE ?= ""
# Add prefix maps to support buildpaths QA test and reproducibility
DEBUG_PREFIX_MAP:append = " \
-ffile-prefix-map=${S}=${PN}-source \
-fdebug-prefix-map=${WORKDIR}=${PN} \
"
# - The Xen tools build for x86 systems with HVM-mode enabled includes hvmloader
# which fails to build when "-m64" is included in flags set via the
# EXTRA_CFLAGS_XEN_TOOLS: so clear TUNE_CCARGS on x86 to prevent that.
TUNE_CCARGS:x86-64=""
# - Yocto supplies the _FORTIFY_SOURCE flag via CC/CPP/CXX but then passes the
# optimization -O via C*FLAGS which is problematic when the CFLAGS are cleared
# within the build because compilation fails with the compiler stating
# "_FORTIFY_SOURCE requires compiling with optimization (-O)".
# - Move HOST_CC_ARCH into the Xen-provided CFLAGS variables and keep
# TOOLCHAIN_OPTIONS set via CC: this enables hvmloader to be built correctly.
# It must not be compiled with SSE compiler options enabled and the Xen build
# explicitly clears CFLAGS to ensure that, so such options must not be passed
# in via the tool variable. hvmloader is required to run HVM-mode guest VMs.
CC="${CCACHE}${HOST_PREFIX}gcc ${TOOLCHAIN_OPTIONS} ${DEBUG_PREFIX_MAP} ${CC_REPRODUCIBLE_OPTIONS}"
EXTRA_CFLAGS_XEN_TOOLS="${HOST_CC_ARCH} ${CFLAGS}"
# 32-bit ARM needs the TUNE_CCARGS component of HOST_CC_ARCH to be passed
# in CC to ensure that configure can compile binaries for the right arch.
CC:arm="${CCACHE}${HOST_PREFIX}gcc ${TUNE_CCARGS} ${TOOLCHAIN_OPTIONS} ${DEBUG_PREFIX_MAP} ${CC_REPRODUCIBLE_OPTIONS}"
# There are no Xen-provided variables for C++, so append to the tool variables:
CPP:append = " ${CPPFLAGS}"
CXX:append = " ${CXXFLAGS}"
EXTRA_OECONF += " \
--exec-prefix=${prefix} \
--prefix=${prefix} \
--host=${HOST_SYS} \
--disable-stubdom \
--disable-ioemu-stubdom \
--disable-pv-grub \
--disable-xenstore-stubdom \
--disable-rombios \
--disable-ocamltools \
--disable-qemu-traditional \
${@bb.utils.contains('XEN_TARGET_ARCH', 'x86_64', \
'--enable-pvshim --with-system-seabios="/usr/share/firmware/bios.bin"', \
'--disable-pvshim --disable-seabios', d)} \
"
EXTRA_OEMAKE += "STDVGA_ROM=${STAGING_DIR_HOST}/usr/share/firmware/vgabios-0.8a.bin"
EXTRA_OEMAKE += "CIRRUSVGA_ROM=${STAGING_DIR_HOST}/usr/share/firmware/vgabios-0.8a.cirrus.bin"
EXTRA_OEMAKE += "SEABIOS_ROM=${STAGING_DIR_HOST}/usr/share/firmware/bios.bin"
EXTRA_OEMAKE += "ETHERBOOT_ROMS=${STAGING_DIR_HOST}/usr/share/firmware/rtl8139.rom"
# prevent the Xen build scripts from fetching things during the build
# all dependencies should be reflected in the Yocto recipe
EXTRA_OEMAKE += "WGET=/bin/false"
EXTRA_OEMAKE += "GIT=/bin/false"
# Improve build reproducibility: provide values for build variables.
def get_build_time_vars(d):
source_date_epoch = d.getVar('SOURCE_DATE_EPOCH')
if source_date_epoch is not None:
import datetime
utc_datetime = datetime.datetime.utcfromtimestamp(float(source_date_epoch))
return " XEN_BUILD_DATE=" + utc_datetime.strftime("%Y-%m-%d") + \
" XEN_BUILD_TIME=" + utc_datetime.strftime("%H:%M:%S")
return ""
EXTRA_OEMAKE += "${@['', 'XEN_WHOAMI=${PF} XEN_DOMAIN=${DISTRO} XEN_BUILD_HOST=${PN}-buildhost'] \
[d.getVar('BUILD_REPRODUCIBLE_BINARIES') == '1']}${@get_build_time_vars(d)}"
# Improve build reproducibility: compiler flags to remove filesystem differences.
CC_REPRODUCIBLE_OPTIONS = "${@['', '-gno-record-gcc-switches'] \
[d.getVar('BUILD_REPRODUCIBLE_BINARIES') == '1']}"
# check for XSM in package config to allow XSM_ENABLE to be set
python () {
pkgconfig = d.getVar('PACKAGECONFIG')
if ('xsm') in pkgconfig.split():
d.setVar('XSM_ENABLED', '1')
else:
d.setVar('XSM_ENABLED', '0')
}
do_post_patch() {
# fixup AS/CC/CCP/etc variable within StdGNU.mk
for i in LD CC CPP CXX; do
sed -i "s/^\($i\s\s*\).*=/\1?=/" ${S}/config/StdGNU.mk
done
# fixup environment passing in some makefiles
sed -i 's#\(\w*\)=\(\$.\w*.\)#\1="\2"#' ${S}/tools/firmware/Makefile
# libsystemd-daemon -> libsystemd for newer systemd versions
sed -i 's#libsystemd-daemon#libsystemd#' ${S}/tools/configure
# Improve build reproducibility: disable insertion of the build timestamp
# into the x86 EFI hypervisor binary.
# binutils should allow a user-supplied timestamp or use SOURCE_DATE_EPOCH
# for PE but currently does not.
if [ "${BUILD_REPRODUCIBLE_BINARIES}" = "1" ] ; then
sed '/^EFI_LDFLAGS = /{a EFI_LDFLAGS += --no-insert-timestamp
}' -i "${S}/xen/arch/x86/Makefile"
fi
}
addtask post_patch after do_patch before do_configure
# Allow all hypervisor settings in a defconfig
EXTRA_OEMAKE += "XEN_CONFIG_EXPERT=y"
# Build release versions always. Technically since we track release
# tarballs this always happens but occasionally people pull in patches
# from staging that reverts this
EXTRA_OEMAKE += "debug=n"
do_configure_common() {
cd ${S}
#./configure --enable-xsmpolicy does not set XSM_ENABLE must be done manually
if [ "${XSM_ENABLED}" = "1" ]; then
echo "XSM_ENABLE := y" > ${S}/.config
fi
if [ -f "${WORKDIR}/defconfig" ]; then
cp "${WORKDIR}/defconfig" "${S}/xen/.config" || \
bbfatal "Unable to copy defconfig to .config"
fi
unset CFLAGS
# do configure
oe_runconf EXTRA_CFLAGS_XEN_CORE="${EXTRA_CFLAGS_XEN_CORE}" \
EXTRA_CFLAGS_XEN_TOOLS="${EXTRA_CFLAGS_XEN_TOOLS}" \
PYTHON="${PYTHON}"
}
do_compile:prepend() {
# workaround for build bug when CFLAGS is exported
# https://www.mail-archive.com/xen-devel@lists.xen.org/msg67822.html
unset CFLAGS
}
do_install:prepend() {
# CFLAGS is used to set PY_CFLAGS which affects the pygrub install
# so also need to unset CFLAGS here:
unset CFLAGS
}
|
