make-all.sh

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