make-all.sh

   1 #! /bin/sh
   2
   3 set -e
   4
   5 ###^^^^^^^^^^^^^^^^^^###
   6 ### Global variables ###
   7 ###__________________###
   8
   9 _this="$(dirname "$(readlink -f "$0")")"
  10 _exec="make-all.sh"
  11 _compiler=
  12 _linker=
  13
  14 _cross=false
  15 _bootstrap=false
  16 _stages=2
  17
  18 _cpu=
  19 _target=
  20 _system=
  21 _host_cpu=
  22 _host_target=
  23 _host_system=
  24
  25 ###^^^^^^^^^^^###
  26 ### Functions ###
  27 ###___________###
  28
  29 usage() {
  30   echo "Usage: make-all.sh [options] cpu target os"
  31   echo "Options:"
  32   echo "    -c path           Path to compiler binary"
  33   echo "    -l path           Path to linker binary"
  34   echo "    -b                Bootstrap compiler (result in bootstrap/<cpu>-cpfront-<os>/)"
  35   echo "    -g num            Set max verify stages (0..2)"
  36 #  echo "    -e                Cross compile (result in stage-cross)"
  37 #  echo "    -u cpu            Host cpu"
  38 #  echo "    -t target         Host compiler"
  39 #  echo "    -s os             Host operaion system"
  40   echo "Processors:"
  41   echo "    486               Intel 486+"
  42   echo "    arm               ARM 32-bit"
  43   echo "Targets:"
  44   echo "    native            Native"
  45   echo "    cpfront           Generic C"
  46   echo "Operation systems:"
  47   echo "    linux             GNU/Linux"
  48   echo "Environment variables:"
  49   echo "    CC                C compiler binary"
  50   echo "    CFLAGS            C compiler options"
  51   exit 2
  52 }
  53
  54 error() {
  55   echo "$_exec:" "$@"
  56   exit 1
  57 }
  58
  59 make_stage() {
  60   local _dir="$1"
  61   local _this_cpu="$2"
  62   local _this_target="$3"
  63   local _this_system="$4"
  64   shift 4
  65   "$_this/make.sh" -o "$_dir" -c "$_compiler" -l "$_linker" "$@" "$_this_cpu" "$_this_target" "$_this_system"
  66   if [ "$_target" = "cpfront" ]; then
  67     _compiler="$_dir/cpfront"
  68     _linker=
  69   else
  70     if [ "$_cpu" = "486" ]; then
  71       _compiler="$_dir/cpc486"
  72       _linker="$_dir/cpl486"
  73     else
  74       error "unsupported cpu $_cpu"
  75     fi
  76   fi
  77 }
  78
  79 make_verify_stage() {
  80   local _N="$1"
  81   shift
  82   if $_cross; then
  83     make_stage "$_this/stage$_N" "$@" "$_host_cpu" "$_host_target" "$_host_system"
  84   else
  85     make_stage "$_this/stage$_N" "$@" "$_cpu" "$_target" "$_system"
  86   fi
  87 }
  88
  89 ###^^^^^^^^^^^^^^^^^^^^^^^^^^^^^###
  90 ### Parse arguments and options ###
  91 ###_____________________________###
  92
  93 while getopts c:l:u:t:s:g:beh _name
  94 do
  95   case "$_name" in
  96     c)  _compiler="$OPTARG" ;;
  97     l)  _linker="$OPTARG" ;;
  98     u)  _host_cpu="$OPTARG" ;;
  99     t)  _host_target="$OPTARG" ;;
 100     s)  _host_system="$OPTARG" ;;
 101     g)  _stages="$OPTARG" ;;
 102     b)  _bootstrap=true ;;
 103     e)  _cross=true ;;
 104     h|?)  usage ;;
 105   esac
 106 done
 107
 108 if [ "$_stages" -lt "0" -o "$_stages" -gt "2" ]; then
 109   usage
 110 fi
 111
 112 if [ "$(expr $# - $OPTIND + 1)" != "3" ]; then
 113   usage
 114 fi
 115
 116 shift $(($OPTIND - 1))
 117 _cpu="$1"
 118 _target="$2"
 119 _system="$3"
 120
 121 if [ -z "$_host_cpu" ]; then
 122   _host_cpu="$_cpu"
 123 fi
 124
 125 if [ -z "$_host_target" ]; then
 126   _host_target="$_target"
 127 fi
 128
 129 if [ -z "$_host_system" ]; then
 130   _host_system="$_system"
 131 fi
 132
 133 ###^^^^^^^^^^^^^^^^^^^^###
 134 ### Bootstrap compiler ###
 135 ###____________________###
 136
 137 if $_bootstrap; then
 138   echo "==> Bootstrap"
 139   _compiler=
 140   _linker=
 141   if $_cross; then
 142     make_stage "$_this/bootstrap/$_host_cpu-cpfront-$_host_system" "$_host_cpu" "cpfront" "$_host_system" -b
 143   else
 144     make_stage "$_this/bootstrap/$_host_cpu-cpfront-$_host_system" "$_cpu" "cpfront" "$_system" -b
 145   fi
 146 else
 147   echo "==> Stage 0"
 148   make_verify_stage 0
 149 fi
 150
 151 ###^^^^^^^^^^^^^^^^^^###
 152 ### Recompile itself ###
 153 ###__________________###
 154
 155 for _N in $(seq 1 "$_stages")
 156 do
 157   echo "==> Stage $_N"
 158   make_verify_stage "$_N"
 159 done
 160 _N=
 161
 162 ###^^^^^^^^^^^^^^^###
 163 ### Cross compile ###
 164 ###_______________###
 165
 166 if $_cross; then
 167   echo "==> Cross compile"
 168   make_stage "$_this/stage-cross/$_cpu-$_target-$_system" "$_cpu" "$_target" "$_system"
 169 fi
 170
 171 echo "==> Done"