Files
poky/meta/classes/toolchain-scripts.bbclass
Richard Purdie 577ff4e3dd autotools/siteinfo: Tweak CONFIG_SITE handling for determism/races
As things stand there are multiple races in the CONFIG_SITE handling
where checksums can change depending on whether site directories
exist or not when parsing happens. This is bad.

Secondly, there is a build race that occurs if you build virtuals
in parallel with the "main" recipe, since the main recipe is parsed
when the virtual is (since it sets variables like BBCLASSEXTEND)
and with the current code, it may look for files and directories
which could be created/destroyed which the loop is executing. This
is also bad.

The aclocal-copy directory should only ever be accessed by the call
from autotools.bbclass. This changes the parameter name to make it
clear and ensures all callers have the right usage, neatly avoiding
all the problems above. Also added better comments.

(From OE-Core rev: 3207244004c612c1a0e13921251003e5e635d1b1)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2016-09-22 11:13:24 +01:00

162 lines
7.1 KiB
Plaintext

inherit siteinfo kernel-arch
# We want to be able to change the value of MULTIMACH_TARGET_SYS, because it
# doesn't always match our expectations... but we default to the stock value
REAL_MULTIMACH_TARGET_SYS ?= "${MULTIMACH_TARGET_SYS}"
TARGET_CC_ARCH_append_libc-uclibc = " -muclibc"
TARGET_CC_ARCH_append_libc-musl = " -mmusl"
# default debug prefix map isn't valid in the SDK
DEBUG_PREFIX_MAP = ""
# This function creates an environment-setup-script for use in a deployable SDK
toolchain_create_sdk_env_script () {
# Create environment setup script. Remember that $SDKTARGETSYSROOT should
# only be expanded on the target at runtime.
base_sbindir=${10:-${base_sbindir_nativesdk}}
base_bindir=${9:-${base_bindir_nativesdk}}
sbindir=${8:-${sbindir_nativesdk}}
sdkpathnative=${7:-${SDKPATHNATIVE}}
prefix=${6:-${prefix_nativesdk}}
bindir=${5:-${bindir_nativesdk}}
libdir=${4:-${libdir}}
sysroot=${3:-${SDKTARGETSYSROOT}}
multimach_target_sys=${2:-${REAL_MULTIMACH_TARGET_SYS}}
script=${1:-${SDK_OUTPUT}/${SDKPATH}/environment-setup-$multimach_target_sys}
rm -f $script
touch $script
echo 'export SDKTARGETSYSROOT='"$sysroot" >> $script
EXTRAPATH=""
for i in ${CANADIANEXTRAOS}; do
EXTRAPATH="$EXTRAPATH:$sdkpathnative$bindir/${TARGET_ARCH}${TARGET_VENDOR}-$i"
done
echo "export PATH=$sdkpathnative$bindir:$sdkpathnative$sbindir:$sdkpathnative$base_bindir:$sdkpathnative$base_sbindir:$sdkpathnative$bindir/../${HOST_SYS}/bin:$sdkpathnative$bindir/${TARGET_SYS}"$EXTRAPATH':$PATH' >> $script
echo "export CCACHE_PATH=$sdkpathnative$bindir:$sdkpathnative$bindir/../${HOST_SYS}/bin:$sdkpathnative$bindir/${TARGET_SYS}"$EXTRAPATH':$CCACHE_PATH' >> $script
echo 'export PKG_CONFIG_SYSROOT_DIR=$SDKTARGETSYSROOT' >> $script
echo 'export PKG_CONFIG_PATH=$SDKTARGETSYSROOT'"$libdir"'/pkgconfig:$SDKTARGETSYSROOT'"$prefix"'/share/pkgconfig' >> $script
echo 'export CONFIG_SITE=${SDKPATH}/site-config-'"${multimach_target_sys}" >> $script
echo "export OECORE_NATIVE_SYSROOT=\"$sdkpathnative\"" >> $script
echo 'export OECORE_TARGET_SYSROOT="$SDKTARGETSYSROOT"' >> $script
echo "export OECORE_ACLOCAL_OPTS=\"-I $sdkpathnative/usr/share/aclocal\"" >> $script
echo 'unset command_not_found_handle' >> $script
toolchain_shared_env_script
}
# This function creates an environment-setup-script in the TMPDIR which enables
# a OE-core IDE to integrate with the build tree
toolchain_create_tree_env_script () {
script=${TMPDIR}/environment-setup-${REAL_MULTIMACH_TARGET_SYS}
rm -f $script
touch $script
echo 'export PATH=${STAGING_DIR_NATIVE}/usr/bin:${PATH}' >> $script
echo 'export CCACHE_PATH=${STAGING_DIR_NATIVE}/usr/bin:${CCACHE_PATH}' >> $script
echo 'export PKG_CONFIG_SYSROOT_DIR=${PKG_CONFIG_SYSROOT_DIR}' >> $script
echo 'export PKG_CONFIG_PATH=${PKG_CONFIG_PATH}' >> $script
echo 'export CONFIG_SITE="${@siteinfo_get_files(d)}"' >> $script
echo 'export SDKTARGETSYSROOT=${STAGING_DIR_TARGET}' >> $script
echo 'export OECORE_NATIVE_SYSROOT="${STAGING_DIR_NATIVE}"' >> $script
echo 'export OECORE_TARGET_SYSROOT="${STAGING_DIR_TARGET}"' >> $script
echo 'export OECORE_ACLOCAL_OPTS="-I ${STAGING_DIR_NATIVE}/usr/share/aclocal"' >> $script
toolchain_shared_env_script
}
toolchain_shared_env_script () {
echo 'export CC="${TARGET_PREFIX}gcc ${TARGET_CC_ARCH} --sysroot=$SDKTARGETSYSROOT"' >> $script
echo 'export CXX="${TARGET_PREFIX}g++ ${TARGET_CC_ARCH} --sysroot=$SDKTARGETSYSROOT"' >> $script
echo 'export CPP="${TARGET_PREFIX}gcc -E ${TARGET_CC_ARCH} --sysroot=$SDKTARGETSYSROOT"' >> $script
echo 'export AS="${TARGET_PREFIX}as ${TARGET_AS_ARCH}"' >> $script
echo 'export LD="${TARGET_PREFIX}ld ${TARGET_LD_ARCH} --sysroot=$SDKTARGETSYSROOT"' >> $script
echo 'export GDB=${TARGET_PREFIX}gdb' >> $script
echo 'export STRIP=${TARGET_PREFIX}strip' >> $script
echo 'export RANLIB=${TARGET_PREFIX}ranlib' >> $script
echo 'export OBJCOPY=${TARGET_PREFIX}objcopy' >> $script
echo 'export OBJDUMP=${TARGET_PREFIX}objdump' >> $script
echo 'export AR=${TARGET_PREFIX}ar' >> $script
echo 'export NM=${TARGET_PREFIX}nm' >> $script
echo 'export M4=m4' >> $script
echo 'export TARGET_PREFIX=${TARGET_PREFIX}' >> $script
echo 'export CONFIGURE_FLAGS="--target=${TARGET_SYS} --host=${TARGET_SYS} --build=${SDK_ARCH}-linux --with-libtool-sysroot=$SDKTARGETSYSROOT"' >> $script
echo 'export CFLAGS="${TARGET_CFLAGS}"' >> $script
echo 'export CXXFLAGS="${TARGET_CXXFLAGS}"' >> $script
echo 'export LDFLAGS="${TARGET_LDFLAGS}"' >> $script
echo 'export CPPFLAGS="${TARGET_CPPFLAGS}"' >> $script
echo 'export KCFLAGS="--sysroot=$SDKTARGETSYSROOT"' >> $script
echo 'export OECORE_DISTRO_VERSION="${DISTRO_VERSION}"' >> $script
echo 'export OECORE_SDK_VERSION="${SDK_VERSION}"' >> $script
echo 'export ARCH=${ARCH}' >> $script
echo 'export CROSS_COMPILE=${TARGET_PREFIX}' >> $script
cat >> $script <<EOF
# Append environment subscripts
if [ -d "\$OECORE_TARGET_SYSROOT/environment-setup.d" ]; then
for envfile in \$OECORE_TARGET_SYSROOT/environment-setup.d/*.sh; do
. \$envfile
done
fi
if [ -d "\$OECORE_NATIVE_SYSROOT/environment-setup.d" ]; then
for envfile in \$OECORE_NATIVE_SYSROOT/environment-setup.d/*.sh; do
. \$envfile
done
fi
EOF
}
#we get the cached site config in the runtime
TOOLCHAIN_CONFIGSITE_NOCACHE = "${@siteinfo_get_files(d)}"
TOOLCHAIN_CONFIGSITE_SYSROOTCACHE = "${STAGING_DIR}/${MLPREFIX}${MACHINE}/${target_datadir}/${TARGET_SYS}_config_site.d"
TOOLCHAIN_NEED_CONFIGSITE_CACHE ??= "virtual/${MLPREFIX}libc ncurses"
#This function create a site config file
toolchain_create_sdk_siteconfig () {
local siteconfig=$1
rm -f $siteconfig
touch $siteconfig
for sitefile in ${TOOLCHAIN_CONFIGSITE_NOCACHE} ; do
cat $sitefile >> $siteconfig
done
#get cached site config
for sitefile in ${TOOLCHAIN_NEED_CONFIGSITE_CACHE}; do
# Resolve virtual/* names to the real recipe name using sysroot-providers info
case $sitefile in virtual/*)
sitefile=`echo $sitefile | tr / _`
sitefile=`cat ${STAGING_DIR_TARGET}/sysroot-providers/$sitefile`
esac
if [ -r ${TOOLCHAIN_CONFIGSITE_SYSROOTCACHE}/${sitefile}_config ]; then
cat ${TOOLCHAIN_CONFIGSITE_SYSROOTCACHE}/${sitefile}_config >> $siteconfig
fi
done
}
# The immediate expansion above can result in unwanted path dependencies here
toolchain_create_sdk_siteconfig[vardepsexclude] = "TOOLCHAIN_CONFIGSITE_SYSROOTCACHE"
#This function create a version information file
toolchain_create_sdk_version () {
local versionfile=$1
rm -f $versionfile
touch $versionfile
echo 'Distro: ${DISTRO}' >> $versionfile
echo 'Distro Version: ${DISTRO_VERSION}' >> $versionfile
echo 'Metadata Revision: ${METADATA_REVISION}' >> $versionfile
echo 'Timestamp: ${DATETIME}' >> $versionfile
}
toolchain_create_sdk_version[vardepsexclude] = "DATETIME"
python __anonymous () {
import oe.classextend
deps = ""
for dep in (d.getVar('TOOLCHAIN_NEED_CONFIGSITE_CACHE', True) or "").split():
deps += " %s:do_populate_sysroot" % dep
for variant in (d.getVar('MULTILIB_VARIANTS', True) or "").split():
clsextend = oe.classextend.ClassExtender(variant, d)
newdep = clsextend.extend_name(dep)
deps += " %s:do_populate_sysroot" % newdep
d.appendVarFlag('do_configure', 'depends', deps)
}