configure

   1 #!/usr/bin/env bash
   2 set -o pipefail -o errtrace -o nounset -o errexit
   3
   4 # Experimental script, please consult with dmarion@me.com before
   5 # submitting any changes
   6
   7 # defaults
   8 build_dir=.
   9 install_dir=/usr/local
  10 build_type=release
  11 src_dir="$(dirname "$(readlink -f "$0")")"
  12 host_arch=$(uname -m)
  13 arch=${host_arch}
  14 wipe=no
  15 args=()
  16
  17 help()
  18 {
  19   cat << __EOF__
  20 VPP Build Configuration Script
  21
  22 USAGE: ${0} [options]
  23
  24 OPTIONS:
  25   --help, -h              This help
  26   --arch, -a              Cross-compile for specified target architecture (aarch64, riscv64, i386, ...)
  27   --build-dir, -b         Build directory
  28   --install-dir, -i       Install directory
  29   --build-type, -t        Build type (release, debug, ...)
  30   --wipe, -w              Wipe whole repo (except startup.* files)
  31 __EOF__
  32 }
  33
  34 while (( "$#" )); do
  35   case "$1" in
  36     -h|--help)
  37       help
  38       exit 1
  39       ;;
  40     -b|--build-dir)
  41       if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
  42         build_dir=$2
  43         shift 2
  44       else
  45         echo "Error: Argument for $1 is missing" >&2
  46         exit 1
  47       fi
  48       ;;
  49     -a|--arch)
  50       if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
  51         arch=$2
  52         shift 2
  53       else
  54         echo "Error: Argument for $1 is missing" >&2
  55         exit 1
  56       fi
  57       ;;
  58     -i|--install-dir)
  59       if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
  60         install_dir=$2
  61         shift 2
  62       else
  63         echo "Error: Argument for $1 is missing" >&2
  64         exit 1
  65       fi
  66       ;;
  67     -t|--build-type)
  68       if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
  69         build_type=$2
  70         shift 2
  71       else
  72         echo "Error: Argument for $1 is missing" >&2
  73         exit 1
  74       fi
  75       ;;
  76     -w|--wipe)
  77       wipe=yes
  78       shift 1
  79       ;;
  80     -*|--*=) # unsupported flags
  81       echo "Error: Unsupported flag $1" >&2
  82       exit 1
  83       ;;
  84     *) # preserve positional arguments
  85       PARAMS="$PARAMS $1"
  86       shift
  87       ;;
  88   esac
  89 done
  90
  91 if [ "${arch}" != "${host_arch}" ] ; then
  92   args+=("-DCMAKE_SYSTEM_NAME=Linux")
  93   args+=("-DCMAKE_SYSTEM_PROCESSOR=${arch}")
  94   args+=("-DCMAKE_C_COMPILER=clang")
  95   args+=("-DCMAKE_C_COMPILER_TARGET=${arch}-linux-gnu")
  96   args+=("-DCMAKE_ASM_COMPILER_TARGET=${arch}-linux-gnu")
  97   args+=("-DCMAKE_FIND_ROOT_PATH=/usr/${arch}-linux-gnu")
  98   args+=("-DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM=NEVER")
  99   args+=("-DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=BOTH")
 100   args+=("-DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=BOTH")
 101   args+=("-DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ONLY")
 102 fi
 103
 104 args+=("-DCMAKE_PREFIX_PATH=/opt/vpp/external/${arch}")
 105 args+=("-DCMAKE_EXPORT_COMPILE_COMMANDS:BOOL=ON")
 106 args+=("-DCMAKE_INSTALL_PREFIX=${install_dir}")
 107 args+=("-DCMAKE_BUILD_TYPE:STRING=${build_type}")
 108
 109 [ "${wipe}" == "yes" ] && git clean -fdx --exclude=startup.\*
 110
 111 cmake ${args[@]} -G Ninja -S ${src_dir}/src -B ${build_dir}
 112
 113 cat << __EOF__
 114
 115   Useful build commands:
 116
 117   ninja                   Build VPP
 118   ninja set-build-type-*  Change build type to <debug|release|gcov|...>
 119   ninja config            Start build configuration TUI
 120   ninja run               Runs VPP using startup.conf in the build directory
 121   ninja debug             Runs VPP inside GDB using startup.conf in the build directory
 122   ninja pkg-deb           Create .deb packages
 123   ninja install           Install VPP to $install_dir
 124
 125 __EOF__