make-all.sh

   1 #! /bin/sh
   2
   3 set -e
   4
   5 ###^^^^^^^^^^^^^^^^^^###
   6 ### Global variables ###
   7 ###__________________###
   8
   9 _this="$(dirname "$(readlink -f "$0")")"
  10 _exec="make-all.sh"
  11 _compiler=
  12 _linker=
  13
  14 _cross=false
  15 _bootstrap=false
  16 _stages=2
  17
  18 _cpu=
  19 _target=
  20 _system=
  21 _host_cpu=
  22 _host_target=
  23 _host_system=
  24
  25 ###^^^^^^^^^^^###
  26 ### Functions ###
  27 ###___________###
  28
  29 usage() {
  30   echo "Usage: make-all.sh [options] cpu target os"
  31   echo "Options:"
  32   echo "    -c path           Path to compiler binary"
  33   echo "    -l path           Path to linker binary"
  34   echo "    -b                Bootstrap compiler (result in bootstrap/<cpu>-cpfront-<os>/)"
  35   echo "    -g num            Set max verify stages (0..2)"
  36 #  echo "    -e                Cross compile (result in stage-cross)"
  37 #  echo "    -u cpu            Host cpu"
  38 #  echo "    -t target         Host compiler"
  39 #  echo "    -s os             Host operaion system"
  40   echo "Processors:"
  41   echo "    486               Intel 486+"
  42   echo "    arm               ARM 32-bit"
  43   echo "Targets:"
  44   echo "    native            Native"
  45   echo "    cpfront           Generic C"
  46   echo "Operation systems:"
  47   echo "    linux             GNU/Linux"
  48   echo "    cygwin            Cygwin"
  49   echo "Environment variables:"
  50   echo "    CC                C compiler binary"
  51   echo "    CFLAGS            C compiler options"
  52   exit 2
  53 }
  54
  55 error() {
  56   echo "$_exec:" "$@"
  57   exit 1
  58 }
  59
  60 make_stage() {
  61   local _dir="$1"
  62   local _this_cpu="$2"
  63   local _this_target="$3"
  64   local _this_system="$4"
  65   shift 4
  66   "$_this/make.sh" -o "$_dir" -c "$_compiler" -l "$_linker" "$@" "$_this_cpu" "$_this_target" "$_this_system"
  67   local _ext=
  68   if [ "$_host_system" = "cygwin" ]; then
  69     _ext=".exe"
  70   fi
  71   if [ "$_target" = "cpfront" ]; then
  72     _compiler="$_dir/cpfront${_ext}"
  73     _linker=
  74   else
  75     if [ "$_cpu" = "486" ]; then
  76       _compiler="$_dir/cpc486${_ext}"
  77       _linker="$_dir/cpl486${_ext}"
  78     else
  79       error "unsupported cpu $_cpu"
  80     fi
  81   fi
  82 }
  83
  84 make_verify_stage() {
  85   local _N="$1"
  86   shift
  87   if $_cross; then
  88     make_stage "$_this/stage$_N" "$@" "$_host_cpu" "$_host_target" "$_host_system"
  89   else
  90     make_stage "$_this/stage$_N" "$@" "$_cpu" "$_target" "$_system"
  91   fi
  92 }
  93
  94 ###^^^^^^^^^^^^^^^^^^^^^^^^^^^^^###
  95 ### Parse arguments and options ###
  96 ###_____________________________###
  97
  98 while getopts c:l:u:t:s:g:beh _name
  99 do
 100   case "$_name" in
 101     c)  _compiler="$OPTARG" ;;
 102     l)  _linker="$OPTARG" ;;
 103     u)  _host_cpu="$OPTARG" ;;
 104     t)  _host_target="$OPTARG" ;;
 105     s)  _host_system="$OPTARG" ;;
 106     g)  _stages="$OPTARG" ;;
 107     b)  _bootstrap=true ;;
 108     e)  _cross=true ;;
 109     h|?)  usage ;;
 110   esac
 111 done
 112
 113 if [ "$_stages" -lt "0" -o "$_stages" -gt "2" ]; then
 114   usage
 115 fi
 116
 117 if [ "$(expr $# - $OPTIND + 1)" != "3" ]; then
 118   usage
 119 fi
 120
 121 shift $(($OPTIND - 1))
 122 _cpu="$1"
 123 _target="$2"
 124 _system="$3"
 125
 126 if [ -z "$_host_cpu" ]; then
 127   _host_cpu="$_cpu"
 128 fi
 129
 130 if [ -z "$_host_target" ]; then
 131   _host_target="$_target"
 132 fi
 133
 134 if [ -z "$_host_system" ]; then
 135   _host_system="$_system"
 136 fi
 137
 138 ###^^^^^^^^^^^^^^^^^^^^###
 139 ### Bootstrap compiler ###
 140 ###____________________###
 141
 142 if $_bootstrap; then
 143   echo "==> Bootstrap"
 144   _compiler=
 145   _linker=
 146   if $_cross; then
 147     make_stage "$_this/bootstrap/$_host_cpu-cpfront-$_host_system" "$_host_cpu" "cpfront" "$_host_system" -b
 148   else
 149     make_stage "$_this/bootstrap/$_host_cpu-cpfront-$_host_system" "$_cpu" "cpfront" "$_system" -b
 150   fi
 151 else
 152   echo "==> Stage 0"
 153   make_verify_stage 0
 154 fi
 155
 156 ###^^^^^^^^^^^^^^^^^^###
 157 ### Recompile itself ###
 158 ###__________________###
 159
 160 for _N in $(seq 1 "$_stages")
 161 do
 162   echo "==> Stage $_N"
 163   make_verify_stage "$_N"
 164 done
 165 _N=
 166
 167 ###^^^^^^^^^^^^^^^###
 168 ### Cross compile ###
 169 ###_______________###
 170
 171 if $_cross; then
 172   echo "==> Cross compile"
 173   make_stage "$_this/stage-cross/$_cpu-$_target-$_system" "$_cpu" "$_target" "$_system"
 174 fi
 175
 176 echo "==> Done"