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|
#!/bin/bash
set -o errexit
KERNELSRC=""
CFLAGS="-Werror"
SPARSE_FLAGS=""
EXTRA_OPTS=""
function install_kernel()
{
if [[ "$1" =~ ^4.* ]]; then
PREFIX="v4.x"
elif [[ "$1" =~ ^3.* ]]; then
PREFIX="v3.x"
else
PREFIX="v2.6/longterm/v2.6.32"
fi
wget https://www.kernel.org/pub/linux/kernel/${PREFIX}/linux-${1}.tar.gz
tar xzvf linux-${1}.tar.gz > /dev/null
cd linux-${1}
make allmodconfig
# Cannot use CONFIG_KCOV: -fsanitize-coverage=trace-pc is not supported by compiler
sed -i 's/CONFIG_KCOV=y/CONFIG_KCOV=n/' .config
# stack validation depends on tools/objtool, but objtool does not compile on travis.
# It is giving following error.
# >>> GEN arch/x86/insn/inat-tables.c
# >>> Semantic error at 40: Unknown imm opnd: AL
# So for now disable stack-validation for the build.
sed -i 's/CONFIG_STACK_VALIDATION=y/CONFIG_STACK_VALIDATION=n/' .config
make oldconfig
# Older kernels do not include openvswitch
if [ -d "net/openvswitch" ]; then
make net/openvswitch/
else
make net/bridge/
fi
KERNELSRC=$(pwd)
if [ ! "$DPDK" ]; then
EXTRA_OPTS="--with-linux=$(pwd)"
fi
echo "Installed kernel source in $(pwd)"
cd ..
}
function install_dpdk()
{
if [ -n "$DPDK_GIT" ]; then
git clone $DPDK_GIT dpdk-$1
cd dpdk-$1
git checkout tags/v$1
else
wget http://fast.dpdk.org/rel/dpdk-$1.tar.gz
tar xzvf dpdk-$1.tar.gz > /dev/null
DIR_NAME=$(tar -tf dpdk-$1.tar.gz | head -1 | cut -f1 -d"/")
if [ $DIR_NAME != "dpdk-$1" ]; then mv $DIR_NAME dpdk-$1; fi
cd dpdk-$1
fi
find ./ -type f | xargs sed -i 's/max-inline-insns-single=100/max-inline-insns-single=400/'
find ./ -type f | xargs sed -i 's/-Werror/-Werror -Wno-error=inline/'
echo 'CONFIG_RTE_BUILD_FPIC=y' >>config/common_linuxapp
sed -ri '/EXECENV_CFLAGS = -pthread -fPIC/{s/$/\nelse ifeq ($(CONFIG_RTE_BUILD_FPIC),y)/;s/$/\nEXECENV_CFLAGS = -pthread -fPIC/}' mk/exec-env/linuxapp/rte.vars.mk
make config CC=gcc T=x86_64-native-linuxapp-gcc
make CC=gcc RTE_KERNELDIR=$KERNELSRC
echo "Installed DPDK source in $(pwd)"
cd ..
}
function configure_ovs()
{
./boot.sh && ./configure $*
}
if [ "$KERNEL" ] || [ "$DPDK" ]; then
install_kernel $KERNEL
fi
if [ "$DPDK" ]; then
if [ -z "$DPDK_VER" ]; then
DPDK_VER="17.11"
fi
install_dpdk $DPDK_VER
if [ "$CC" = "clang" ]; then
# Disregard cast alignment errors until DPDK is fixed
CFLAGS="$CFLAGS -Wno-cast-align"
fi
EXTRA_OPTS="$EXTRA_OPTS --with-dpdk=./dpdk-$DPDK_VER/build"
elif [ "$CC" != "clang" ]; then
# DPDK headers currently trigger sparse errors
SPARSE_FLAGS="$SPARSE_FLAGS -Wsparse-error"
fi
configure_ovs $EXTRA_OPTS $*
make selinux-policy
# Only build datapath if we are testing kernel w/o running testsuite
if [ "$KERNEL" ] && [ ! "$TESTSUITE" ] && [ ! "$DPDK" ]; then
cd datapath
fi
if [ "$CC" = "clang" ]; then
make -j2 CFLAGS="$CFLAGS -Wno-error=unused-command-line-argument"
elif [[ $BUILD_ENV =~ "-m32" ]]; then
# Disable sparse for 32bit builds on 64bit machine
make -j2 CFLAGS="$CFLAGS $BUILD_ENV"
else
make -j2 CFLAGS="$CFLAGS $BUILD_ENV $SPARSE_FLAGS" C=1
fi
if [ "$TESTSUITE" ] && [ "$CC" != "clang" ]; then
if ! make distcheck TESTSUITEFLAGS=-j4 RECHECK=yes; then
# testsuite.log is necessary for debugging.
cat */_build/tests/testsuite.log
exit 1
fi
fi
exit 0
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