make-all.sh

   1 #! /bin/sh
   2
   3 set -e
   4
   5 ###^^^^^^^^^^^^^^^^^^###
   6 ### Global variables ###
   7 ###__________________###
   8
   9 _this="$(dirname "$(readlink -f "$0")")"
  10 _exec="make-all.sh"
  11 _compiler=
  12 _linker=
  13
  14 _cross=false
  15 _bootstrap=false
  16 _verify=true
  17
  18 _cpu=
  19 _target=
  20 _system=
  21 _host_cpu=
  22 _host_system=
  23
  24 ###^^^^^^^^^^^###
  25 ### Functions ###
  26 ###___________###
  27
  28 usage() {
  29   echo "Usage: make-all.sh [options] cpu target os"
  30   echo "Options:"
  31   echo "    -c path           Path to compiler binary"
  32   echo "    -l path           Path to linker binary"
  33   echo "    -b                Bootstrap compiler (result in bootstrap/<cpu>-cpfront-<os>/)"
  34   echo "    -v                Do not recompile itself (result in stage2/)"
  35 #  echo "    -e                Cross compile (result in stage-cross)"
  36 #  echo "    -u cpu            Host cpu"
  37 #  echo "    -s os             Host operaion system"
  38   echo "Processors:"
  39   echo "    486               Intel 486+"
  40   echo "Targets:"
  41   echo "    native            Native"
  42   echo "    cpfront           Generic C"
  43   echo "Operation systems:"
  44   echo "    linux             GNU/Linux"
  45   exit 2
  46 }
  47
  48 error() {
  49   echo "$_exec:" "$@"
  50   exit 1
  51 }
  52
  53 make_stage() {
  54   local _dir="$1"
  55   local _this_cpu="$2"
  56   local _this_target="$3"
  57   local _this_system="$4"
  58   shift 4
  59   "$_this/make.sh" -o "$_dir" -c "$_compiler" -l "$_linker" "$@" "$_this_cpu" "$_this_target" "$_this_system"
  60   if [ "$_target" = "cpfront" ]; then
  61     _compiler="$_dir/cpfront"
  62     _linker=
  63   else
  64     if [ "$_cpu" = "486" ]; then
  65       _compiler="$_dir/cpc486"
  66       _linker="$_dir/cpl486"
  67     else
  68       error "unsupported cpu $_cpu"
  69     fi
  70   fi
  71 }
  72
  73 ###^^^^^^^^^^^^^^^^^^^^^^^^^^^^^###
  74 ### Parse arguments and options ###
  75 ###_____________________________###
  76
  77 while getopts c:l:u:s:bveh _name
  78 do
  79   case "$_name" in
  80     c)  _compiler="$OPTARG" ;;
  81     l)  _linker="$OPTARG" ;;
  82     u)  _host_cpu="$OPTARG" ;;
  83     s)  _host_system="$OPTARG" ;;
  84     b)  _bootstrap=true ;;
  85     v)  _verify=false ;;
  86     e)  _cross=true ;;
  87     h|?)  usage ;;
  88   esac
  89 done
  90
  91 if [ "$(expr $# - $OPTIND + 1)" != "3" ]; then
  92   usage
  93 fi
  94
  95 shift $(($OPTIND - 1))
  96 _cpu="$1"
  97 _target="$2"
  98 _system="$3"
  99
 100 if [ -z "$_host_cpu" ]; then
 101   _host_cpu="$_cpu"
 102 fi
 103
 104 if [ -z "$_host_system" ]; then
 105   _host_system="$_system"
 106 fi
 107
 108 ###^^^^^^^^^^^^^^^^^^^^^^^^^###
 109 ### Link bootstrap compiler ###
 110 ###_________________________###
 111
 112 if $_bootstrap; then
 113   echo "==> Bootstrap from C"
 114   _compiler=
 115   _linker=
 116   if $_cross; then
 117     make_stage "$_this/bootstrap/$_host_cpu-cpfront-$_host_system" "$_host_cpu" "cpfront" "$_host_system" -b
 118   else
 119     make_stage "$_this/bootstrap/$_host_cpu-cpfront-$_host_system" "$_cpu" "cpfront" "$_system" -b
 120   fi
 121 fi
 122
 123 ###^^^^^^^^^^^^^^^^###
 124 ### Compile stages ###
 125 ###________________###
 126
 127 if $_verify; then
 128   if $_cross; then
 129     echo "==> Stage 0"
 130     make_stage "$_this/stage0" "$_host_cpu" "native" "$_host_system"
 131     echo "==> Stage 1"
 132     make_stage "$_this/stage1" "$_host_cpu" "native" "$_host_system"
 133     echo "==> Stage 2"
 134     make_stage "$_this/stage2" "$_host_cpu" "native" "$_host_system"
 135   else
 136     echo "==> Stage 0"
 137     make_stage "$_this/stage0" "$_cpu" "$_target" "$_system"
 138     echo "==> Stage 1"
 139     make_stage "$_this/stage1" "$_cpu" "$_target" "$_system"
 140     echo "==> Stage 2"
 141     make_stage "$_this/stage2" "$_cpu" "$_target" "$_system"
 142   fi
 143 fi
 144
 145 ###^^^^^^^^^^^^^^^###
 146 ### Cross compile ###
 147 ###_______________###
 148
 149 if $_cross; then
 150   echo "==> Build for target machine"
 151   make_stage "$_this/stage-cross/$_cpu-$_target-$_system" "$_cpu" "$_target" "$_system"
 152 fi
 153
 154 echo "==> Done"