make-all.sh

   1 #! /bin/sh
   2
   3 set -e
   4
   5 ###^^^^^^^^^^^^^^^^^^###
   6 ### Global variables ###
   7 ###__________________###
   8
   9 _this="$(dirname "$(readlink -f "$0")")"
  10 _exec="make-all.sh"
  11 _compiler=
  12 _linker=
  13
  14 _cross=false
  15 _bootstrap=false
  16 _stages=2
  17
  18 _cpu=
  19 _target=
  20 _system=
  21 _host_cpu=
  22 _host_target=
  23 _host_system=
  24
  25 export CPCFLAGS="$CPCFLAGS"
  26 export CPLFLAGS="$CPLFLAGS"
  27
  28 ###^^^^^^^^^^^###
  29 ### Functions ###
  30 ###___________###
  31
  32 usage() {
  33   echo "Usage: make-all.sh [options] cpu target os"
  34   echo "Options:"
  35   echo "    -c path           Path to compiler binary"
  36   echo "    -l path           Path to linker binary"
  37   echo "    -b                Bootstrap compiler (result in bootstrap/<cpu>-cpfront-<os>/)"
  38   echo "    -g num            Set max verify stages (0..2)"
  39 #  echo "    -e                Cross compile (result in stage-cross)"
  40 #  echo "    -u cpu            Host cpu"
  41 #  echo "    -t target         Host compiler"
  42 #  echo "    -s os             Host operaion system"
  43   echo "Processors:"
  44   echo "    486               Intel 486+"
  45   echo "    arm               ARM 32-bit"
  46   echo "Targets:"
  47   echo "    native            Native"
  48   echo "    cpfront           Generic C"
  49   echo "Operation systems:"
  50   echo "    linux             GNU/Linux"
  51   echo "    cygwin            Cygwin"
  52   echo "Environment variables:"
  53   echo "    CC                C compiler binary"
  54   echo "    CFLAGS            C compiler options"
  55   echo "    CPCFLAGS          CPC compiler options"
  56   echo "    CPLFLAGS          CPL linker options"
  57   exit 2
  58 }
  59
  60 error() {
  61   echo "$_exec:" "$@"
  62   exit 1
  63 }
  64
  65 make_stage() {
  66   local _dir="$1"
  67   local _this_cpu="$2"
  68   local _this_target="$3"
  69   local _this_system="$4"
  70   shift 4
  71   "$_this/make.sh" -o "$_dir" -c "$_compiler" -l "$_linker" "$@" "$_this_cpu" "$_this_target" "$_this_system"
  72   local _ext=
  73   if [ "$_host_system" = "cygwin" ]; then
  74     _ext=".exe"
  75   fi
  76   if [ "$_target" = "cpfront" ]; then
  77     _compiler="$_dir/cpfront${_ext}"
  78     _linker=
  79   else
  80     if [ "$_cpu" = "486" ]; then
  81       _compiler="$_dir/cpc486${_ext}"
  82       _linker="$_dir/cpl486${_ext}"
  83     else
  84       error "unsupported cpu $_cpu"
  85     fi
  86   fi
  87 }
  88
  89 make_verify_stage() {
  90   local _N="$1"
  91   shift
  92   if $_cross; then
  93     make_stage "$_this/stage$_N" "$@" "$_host_cpu" "$_host_target" "$_host_system"
  94   else
  95     make_stage "$_this/stage$_N" "$@" "$_cpu" "$_target" "$_system"
  96   fi
  97 }
  98
  99 ###^^^^^^^^^^^^^^^^^^^^^^^^^^^^^###
 100 ### Parse arguments and options ###
 101 ###_____________________________###
 102
 103 while getopts c:l:u:t:s:g:beh _name
 104 do
 105   case "$_name" in
 106     c)  _compiler="$OPTARG" ;;
 107     l)  _linker="$OPTARG" ;;
 108     u)  _host_cpu="$OPTARG" ;;
 109     t)  _host_target="$OPTARG" ;;
 110     s)  _host_system="$OPTARG" ;;
 111     g)  _stages="$OPTARG" ;;
 112     b)  _bootstrap=true ;;
 113     e)  _cross=true ;;
 114     h|?)  usage ;;
 115   esac
 116 done
 117
 118 if [ "$_stages" -lt "0" -o "$_stages" -gt "2" ]; then
 119   usage
 120 fi
 121
 122 if [ "$(expr $# - $OPTIND + 1)" != "3" ]; then
 123   usage
 124 fi
 125
 126 shift $(($OPTIND - 1))
 127 _cpu="$1"
 128 _target="$2"
 129 _system="$3"
 130
 131 if [ -z "$_host_cpu" ]; then
 132   _host_cpu="$_cpu"
 133 fi
 134
 135 if [ -z "$_host_target" ]; then
 136   _host_target="$_target"
 137 fi
 138
 139 if [ -z "$_host_system" ]; then
 140   _host_system="$_system"
 141 fi
 142
 143 ###^^^^^^^^^^^^^^^^^^^^###
 144 ### Bootstrap compiler ###
 145 ###____________________###
 146
 147 if $_bootstrap; then
 148   echo "==> Bootstrap"
 149   _compiler=
 150   _linker=
 151   if $_cross; then
 152     make_stage "$_this/bootstrap/$_host_cpu-cpfront-$_host_system" "$_host_cpu" "cpfront" "$_host_system" -b
 153   else
 154     make_stage "$_this/bootstrap/$_host_cpu-cpfront-$_host_system" "$_cpu" "cpfront" "$_system" -b
 155   fi
 156 else
 157   echo "==> Stage 0"
 158   make_verify_stage 0
 159 fi
 160
 161 ###^^^^^^^^^^^^^^^^^^###
 162 ### Recompile itself ###
 163 ###__________________###
 164
 165 for _N in $(seq 1 "$_stages")
 166 do
 167   echo "==> Stage $_N"
 168   make_verify_stage "$_N"
 169 done
 170 _N=
 171
 172 ###^^^^^^^^^^^^^^^###
 173 ### Cross compile ###
 174 ###_______________###
 175
 176 if $_cross; then
 177   echo "==> Cross compile"
 178   make_stage "$_this/stage-cross/$_cpu-$_target-$_system" "$_cpu" "$_target" "$_system"
 179 fi
 180
 181 echo "==> Done"