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|
#!/bin/bash
set -o errexit
set -x
CFLAGS=""
SPARSE_FLAGS=""
EXTRA_OPTS="--enable-Werror"
TARGET="x86_64-native-linuxapp-gcc"
function install_kernel()
{
if [[ "$1" =~ ^5.* ]]; then
PREFIX="v5.x"
elif [[ "$1" =~ ^4.* ]]; then
PREFIX="v4.x"
elif [[ "$1" =~ ^3.* ]]; then
PREFIX="v3.x"
else
PREFIX="v2.6/longterm/v2.6.32"
fi
base_url="https://cdn.kernel.org/pub/linux/kernel/${PREFIX}"
# Download page with list of all available kernel versions.
wget ${base_url}/
# Uncompress in case server returned gzipped page.
(file index* | grep ASCII) || (mv index* index.new.gz && gunzip index*)
# Get version of the latest stable release.
hi_ver=$(echo ${1} | sed 's/\./\\\./')
lo_ver=$(cat ./index* | grep -P -o "${hi_ver}\.[0-9]+" | \
sed 's/.*\..*\.\(.*\)/\1/' | sort -h | tail -1)
version="${1}.${lo_ver}"
rm -rf index* linux-*
url="${base_url}/linux-${version}.tar.xz"
# Download kernel sources. Try direct link on CDN failure.
wget ${url} || wget ${url} || wget ${url/cdn/www}
tar xvf linux-${version}.tar.xz > /dev/null
cd linux-${version}
make allmodconfig
# Cannot use CONFIG_KCOV: -fsanitize-coverage=trace-pc is not supported by compiler
sed -i 's/CONFIG_KCOV=y/CONFIG_KCOV=n/' .config
# stack validation depends on tools/objtool, but objtool does not compile on travis.
# It is giving following error.
# >>> GEN arch/x86/insn/inat-tables.c
# >>> Semantic error at 40: Unknown imm opnd: AL
# So for now disable stack-validation for the build.
sed -i 's/CONFIG_STACK_VALIDATION=y/CONFIG_STACK_VALIDATION=n/' .config
make oldconfig
# Older kernels do not include openvswitch
if [ -d "net/openvswitch" ]; then
make net/openvswitch/
else
make net/bridge/
fi
EXTRA_OPTS="${EXTRA_OPTS} --with-linux=$(pwd)"
echo "Installed kernel source in $(pwd)"
cd ..
}
function install_dpdk()
{
local DPDK_VER=$1
local VERSION_FILE="dpdk-dir/travis-dpdk-cache-version"
if [ "${DPDK_VER##refs/*/}" != "${DPDK_VER}" ]; then
# Avoid using cache for git tree build.
rm -rf dpdk-dir
DPDK_GIT=${DPDK_GIT:-https://dpdk.org/git/dpdk}
git clone --single-branch $DPDK_GIT dpdk-dir -b "${DPDK_VER##refs/*/}"
pushd dpdk-dir
git log -1 --oneline
else
if [ -f "${VERSION_FILE}" ]; then
VER=$(cat ${VERSION_FILE})
if [ "${VER}" = "${DPDK_VER}" ]; then
EXTRA_OPTS="${EXTRA_OPTS} --with-dpdk=$(pwd)/dpdk-dir/build"
echo "Found cached DPDK ${VER} build in $(pwd)/dpdk-dir"
return
fi
fi
# No cache or version mismatch.
rm -rf dpdk-dir
wget https://fast.dpdk.org/rel/dpdk-$1.tar.xz
tar xvf dpdk-$1.tar.xz > /dev/null
DIR_NAME=$(tar -tf dpdk-$1.tar.xz | head -1 | cut -f1 -d"/")
mv ${DIR_NAME} dpdk-dir
pushd dpdk-dir
fi
make config CC=gcc T=$TARGET
if [ "$DPDK_SHARED" ]; then
sed -i '/CONFIG_RTE_BUILD_SHARED_LIB=n/s/=n/=y/' build/.config
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$(pwd)/$TARGET/lib
fi
# Disable building DPDK kernel modules. Not needed for OVS build or tests.
sed -i '/CONFIG_RTE_EAL_IGB_UIO=y/s/=y/=n/' build/.config
sed -i '/CONFIG_RTE_KNI_KMOD=y/s/=y/=n/' build/.config
make -j4 CC=gcc EXTRA_CFLAGS='-fPIC'
EXTRA_OPTS="$EXTRA_OPTS --with-dpdk=$(pwd)/build"
echo "Installed DPDK source in $(pwd)"
popd
echo "${DPDK_VER}" > ${VERSION_FILE}
}
function configure_ovs()
{
./boot.sh && ./configure $* || { cat config.log; exit 1; }
}
function build_ovs()
{
local KERNEL=$1
configure_ovs $OPTS
make selinux-policy
# Only build datapath if we are testing kernel w/o running testsuite
if [ "${KERNEL}" ]; then
pushd datapath
make -j4
popd
else
make -j4 || { cat config.log; exit 1; }
fi
}
if [ "$KERNEL" ]; then
install_kernel $KERNEL
fi
if [ "$DPDK" ] || [ "$DPDK_SHARED" ]; then
if [ -z "$DPDK_VER" ]; then
DPDK_VER="18.11.2"
fi
install_dpdk $DPDK_VER
if [ "$CC" = "clang" ]; then
# Disregard cast alignment errors until DPDK is fixed
CFLAGS="$CFLAGS -Wno-cast-align"
fi
fi
if [ "$CC" = "clang" ]; then
export OVS_CFLAGS="$CFLAGS -Wno-error=unused-command-line-argument"
elif [[ $BUILD_ENV =~ "-m32" ]]; then
# Disable sparse for 32bit builds on 64bit machine
export OVS_CFLAGS="$CFLAGS $BUILD_ENV"
else
OPTS="--enable-sparse"
export OVS_CFLAGS="$CFLAGS $BUILD_ENV $SPARSE_FLAGS"
fi
save_OPTS="${OPTS} $*"
OPTS="${EXTRA_OPTS} ${save_OPTS}"
if [ "$TESTSUITE" ]; then
# 'distcheck' will reconfigure with required options.
# Now we only need to prepare the Makefile without sparse-wrapped CC.
configure_ovs
export DISTCHECK_CONFIGURE_FLAGS="$OPTS"
if ! make distcheck TESTSUITEFLAGS=-j4 RECHECK=yes; then
# testsuite.log is necessary for debugging.
cat */_build/sub/tests/testsuite.log
exit 1
fi
else
if [ -z "${KERNEL_LIST}" ]; then build_ovs ${KERNEL};
else
save_EXTRA_OPTS="${EXTRA_OPTS}"
for KERNEL in ${KERNEL_LIST}; do
echo "=============================="
echo "Building with kernel ${KERNEL}"
echo "=============================="
EXTRA_OPTS="${save_EXTRA_OPTS}"
install_kernel ${KERNEL}
OPTS="${EXTRA_OPTS} ${save_OPTS}"
build_ovs ${KERNEL}
make distclean
done
fi
fi
exit 0
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