.travis/linux-build.sh

   1 #!/bin/bash
   2
   3 set -o errexit
   4
   5 KERNELSRC=""
   6 CFLAGS="-Werror"
   7 SPARSE_FLAGS=""
   8 EXTRA_OPTS=""
   9
  10 function install_kernel()
  11 {
  12     if [[ "$1" =~ ^4.* ]]; then
  13         PREFIX="v4.x"
  14     elif [[ "$1" =~ ^3.* ]]; then
  15         PREFIX="v3.x"
  16     else
  17         PREFIX="v2.6/longterm/v2.6.32"
  18     fi
  19
  20     wget https://www.kernel.org/pub/linux/kernel/${PREFIX}/linux-${1}.tar.gz
  21     tar xzvf linux-${1}.tar.gz > /dev/null
  22     cd linux-${1}
  23     make allmodconfig
  24
  25     # Cannot use CONFIG_KCOV: -fsanitize-coverage=trace-pc is not supported by compiler
  26     sed -i 's/CONFIG_KCOV=y/CONFIG_KCOV=n/' .config
  27
  28     # stack validation depends on tools/objtool, but objtool does not compile on travis.
  29     # It is giving following error.
  30     #  >>> GEN      arch/x86/insn/inat-tables.c
  31     #  >>> Semantic error at 40: Unknown imm opnd: AL
  32     # So for now disable stack-validation for the build.
  33
  34     sed -i 's/CONFIG_STACK_VALIDATION=y/CONFIG_STACK_VALIDATION=n/' .config
  35     make oldconfig
  36
  37     # Older kernels do not include openvswitch
  38     if [ -d "net/openvswitch" ]; then
  39         make net/openvswitch/
  40     else
  41         make net/bridge/
  42     fi
  43
  44     KERNELSRC=$(pwd)
  45     if [ ! "$DPDK" ]; then
  46         EXTRA_OPTS="--with-linux=$(pwd)"
  47     fi
  48     echo "Installed kernel source in $(pwd)"
  49     cd ..
  50 }
  51
  52 function install_dpdk()
  53 {
  54     if [ -n "$DPDK_GIT" ]; then
  55         git clone $DPDK_GIT dpdk-stable-$1
  56         cd dpdk-stable-$1
  57         git checkout tags/v$1
  58     else
  59         wget http://fast.dpdk.org/rel/dpdk-$1.tar.gz
  60         tar xzvf dpdk-$1.tar.gz > /dev/null
  61         cd dpdk-stable-$1
  62     fi
  63     find ./ -type f | xargs sed -i 's/max-inline-insns-single=100/max-inline-insns-single=400/'
  64     echo 'CONFIG_RTE_BUILD_FPIC=y' >>config/common_linuxapp
  65     sed -ri '/EXECENV_CFLAGS  = -pthread -fPIC/{s/$/\nelse ifeq ($(CONFIG_RTE_BUILD_FPIC),y)/;s/$/\nEXECENV_CFLAGS  = -pthread -fPIC/}' mk/exec-env/linuxapp/rte.vars.mk
  66     make config CC=gcc T=x86_64-native-linuxapp-gcc
  67     make CC=gcc RTE_KERNELDIR=$KERNELSRC
  68     echo "Installed DPDK source in $(pwd)"
  69     cd ..
  70 }
  71
  72 function configure_ovs()
  73 {
  74     ./boot.sh && ./configure $*
  75 }
  76
  77 if [ "$KERNEL" ] || [ "$DPDK" ]; then
  78     install_kernel $KERNEL
  79 fi
  80
  81 if [ "$DPDK" ]; then
  82     if [ -z "$DPDK_VER" ]; then
  83         DPDK_VER="16.11.2"
  84     fi
  85     install_dpdk $DPDK_VER
  86     if [ "$CC" = "clang" ]; then
  87         # Disregard cast alignment errors until DPDK is fixed
  88         CFLAGS="$CFLAGS -Wno-cast-align"
  89     fi
  90     EXTRA_OPTS="$EXTRA_OPTS --with-dpdk=./dpdk-stable-$DPDK_VER/build"
  91 elif [ "$CC" != "clang" ]; then
  92     # DPDK headers currently trigger sparse errors
  93     SPARSE_FLAGS="$SPARSE_FLAGS -Wsparse-error"
  94 fi
  95
  96 configure_ovs $EXTRA_OPTS $*
  97
  98 # Only build datapath if we are testing kernel w/o running testsuite
  99 if [ "$KERNEL" ] && [ ! "$TESTSUITE" ] && [ ! "$DPDK" ]; then
 100     cd datapath
 101 fi
 102
 103 if [ "$CC" = "clang" ]; then
 104     make CFLAGS="$CFLAGS -Wno-error=unused-command-line-argument"
 105 elif [[ $BUILD_ENV =~ "-m32" ]]; then
 106     # Disable sparse for 32bit builds on 64bit machine
 107     make CFLAGS="$CFLAGS $BUILD_ENV"
 108 else
 109     make CFLAGS="$CFLAGS $BUILD_ENV $SPARSE_FLAGS" C=1
 110 fi
 111
 112 if [ "$TESTSUITE" ] && [ "$CC" != "clang" ]; then
 113     if ! make distcheck RECHECK=yes; then
 114         # testsuite.log is necessary for debugging.
 115         cat */_build/tests/testsuite.log
 116         exit 1
 117     fi
 118 fi
 119
 120 exit 0