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 native_only=no
  15 wipe=no
  16 args=()
  17
  18 help()
  19 {
  20   cat << __EOF__
  21 VPP Build Configuration Script
  22
  23 USAGE: ${0} [options]
  24
  25 OPTIONS:
  26   --help, -h              This help
  27   --arch, -a              Cross-compile for specified target architecture (aarch64, riscv64, i386, ...)
  28   --build-dir, -b         Build directory
  29   --install-dir, -i       Install directory
  30   --build-type, -t        Build type (release, debug, ...)
  31   --native-only, -n       Only compile for Native CPU (no multiarch)
  32   --wipe, -w              Wipe whole repo (except startup.* files)
  33 __EOF__
  34 }
  35
  36 while (( "$#" )); do
  37   case "$1" in
  38     -h|--help)
  39       help
  40       exit 1
  41       ;;
  42     -b|--build-dir)
  43       if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
  44         build_dir=$2
  45         shift 2
  46       else
  47         echo "Error: Argument for $1 is missing" >&2
  48         exit 1
  49       fi
  50       ;;
  51     -a|--arch)
  52       if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
  53         arch=$2
  54         shift 2
  55       else
  56         echo "Error: Argument for $1 is missing" >&2
  57         exit 1
  58       fi
  59       ;;
  60     -i|--install-dir)
  61       if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
  62         install_dir=$2
  63         shift 2
  64       else
  65         echo "Error: Argument for $1 is missing" >&2
  66         exit 1
  67       fi
  68       ;;
  69     -t|--build-type)
  70       if [ -n "$2" ] && [ ${2:0:1} != "-" ]; then
  71         build_type=$2
  72         shift 2
  73       else
  74         echo "Error: Argument for $1 is missing" >&2
  75         exit 1
  76       fi
  77       ;;
  78     -n|--native-only)
  79       native_only=yes
  80       shift 1
  81       ;;
  82     -w|--wipe)
  83       wipe=yes
  84       shift 1
  85       ;;
  86     -*|--*=) # unsupported flags
  87       echo "Error: Unsupported flag $1" >&2
  88       exit 1
  89       ;;
  90     *) # preserve positional arguments
  91       PARAMS="$PARAMS $1"
  92       shift
  93       ;;
  94   esac
  95 done
  96
  97 if [ "${arch}" != "${host_arch}" ] ; then
  98   args+=("-DCMAKE_SYSTEM_NAME=Linux")
  99   args+=("-DCMAKE_SYSTEM_PROCESSOR=${arch}")
 100   args+=("-DCMAKE_C_COMPILER=clang")
 101   args+=("-DCMAKE_C_COMPILER_TARGET=${arch}-linux-gnu")
 102   args+=("-DCMAKE_ASM_COMPILER_TARGET=${arch}-linux-gnu")
 103   args+=("-DCMAKE_FIND_ROOT_PATH=/usr/${arch}-linux-gnu")
 104   args+=("-DCMAKE_FIND_ROOT_PATH_MODE_PROGRAM=NEVER")
 105   args+=("-DCMAKE_FIND_ROOT_PATH_MODE_LIBRARY=BOTH")
 106   args+=("-DCMAKE_FIND_ROOT_PATH_MODE_INCLUDE=BOTH")
 107   args+=("-DCMAKE_FIND_ROOT_PATH_MODE_PACKAGE=ONLY")
 108 fi
 109
 110 args+=("-DCMAKE_PREFIX_PATH=/opt/vpp/external/${arch}")
 111 args+=("-DCMAKE_EXPORT_COMPILE_COMMANDS:BOOL=ON")
 112 args+=("-DCMAKE_INSTALL_PREFIX=${install_dir}")
 113 args+=("-DCMAKE_BUILD_TYPE:STRING=${build_type}")
 114 [ "${native_only}" == "yes" ] && args+=("-DVPP_BUILD_NATIVE_ONLY:BOOL=ON")
 115
 116 [ "${wipe}" == "yes" ] && git clean -fdx --exclude=startup.\*
 117
 118 cmake ${args[@]} -G Ninja -S ${src_dir}/src -B ${build_dir}
 119
 120 cat << __EOF__
 121
 122   Useful build commands:
 123
 124   ninja                   Build VPP
 125   ninja set-build-type-*  Change build type to <debug|release|gcov|...>
 126   ninja config            Start build configuration TUI
 127   ninja run               Runs VPP using startup.conf in the build directory
 128   ninja debug             Runs VPP inside GDB using startup.conf in the build directory
 129   ninja pkg-deb           Create .deb packages
 130   ninja install           Install VPP to $install_dir
 131
 132 __EOF__