make-all.sh

   1 #! /bin/bash
   2
   3 set -e
   4
   5 abspath() {
   6   [[ "$1" == /* ]] && echo "$1" || echo "$(pwd)/$1"
   7 }
   8
   9 ###^^^^^^^^^^^^^^^^^^###
  10 ### Global variables ###
  11 ###__________________###
  12
  13 _this="$(dirname "$(abspath "$0")")"
  14 _exec="make-all.sh"
  15 _compiler=
  16 _linker=
  17
  18 _cross=false
  19 _bootstrap=false
  20 _stages=2
  21
  22 _cpu=
  23 _target=
  24 _system=
  25 _host_cpu=
  26 _host_target=
  27 _host_system=
  28
  29 export CPCFLAGS="$CPCFLAGS"
  30 export CPLFLAGS="$CPLFLAGS"
  31
  32 ###^^^^^^^^^^^###
  33 ### Functions ###
  34 ###___________###
  35
  36 usage() {
  37   echo "Usage: make-all.sh [options] cpu target os"
  38   echo "Options:"
  39   echo "    -c path           Path to compiler binary"
  40   echo "    -l path           Path to linker binary"
  41   echo "    -b                Bootstrap compiler (result in bootstrap/<cpu>-cpfront-<os>/)"
  42   echo "    -g num            Set max verify stages (0..2)"
  43 #  echo "    -e                Cross compile (result in stage-cross)"
  44 #  echo "    -u cpu            Host cpu"
  45 #  echo "    -t target         Host compiler"
  46 #  echo "    -s os             Host operaion system"
  47   echo "Processors:"
  48   echo "    486               Intel 486+"
  49   echo "    arm               ARM 32-bit"
  50   echo "    powerpc           PowerPC 32-bit"
  51   echo "Targets:"
  52   echo "    native            Native"
  53   echo "    cpfront           Generic C"
  54   echo "Operation systems:"
  55   echo "    linux             GNU/Linux"
  56   echo "    cygwin            Cygwin"
  57   echo "    osx               Mac OS X"
  58   echo "Environment variables:"
  59   echo "    CC                C compiler binary"
  60   echo "    CFLAGS            C compiler options"
  61   echo "    CPCFLAGS          CPC compiler options"
  62   echo "    CPLFLAGS          CPL linker options"
  63   exit 2
  64 }
  65
  66 error() {
  67   echo "$_exec:" "$@"
  68   exit 1
  69 }
  70
  71 make_stage() {
  72   local _dir="$1"
  73   local _this_cpu="$2"
  74   local _this_target="$3"
  75   local _this_system="$4"
  76   shift 4
  77   "$_this/make.sh" -o "$_dir" -c "$_compiler" -l "$_linker" "$@" "$_this_cpu" "$_this_target" "$_this_system"
  78   local _ext=
  79   if [ "$_host_system" = "cygwin" ]; then
  80     _ext=".exe"
  81   elif [ "$_host_system" = "osx" ]; then
  82     _ext=".out"
  83   fi
  84   if [ "$_target" = "cpfront" ]; then
  85     _compiler="$_dir/cpfront${_ext}"
  86     _linker=
  87   else
  88     if [ "$_cpu" = "486" ]; then
  89       _compiler="$_dir/cpc486${_ext}"
  90       _linker="$_dir/cpl486${_ext}"
  91     else
  92       error "unsupported cpu $_cpu"
  93     fi
  94   fi
  95 }
  96
  97 make_verify_stage() {
  98   local _N="$1"
  99   shift
 100   if $_cross; then
 101     make_stage "$_this/stage$_N" "$@" "$_host_cpu" "$_host_target" "$_host_system"
 102   else
 103     make_stage "$_this/stage$_N" "$@" "$_cpu" "$_target" "$_system"
 104   fi
 105 }
 106
 107 ###^^^^^^^^^^^^^^^^^^^^^^^^^^^^^###
 108 ### Parse arguments and options ###
 109 ###_____________________________###
 110
 111 while getopts c:l:u:t:s:g:beh _name
 112 do
 113   case "$_name" in
 114     c)  _compiler="$OPTARG" ;;
 115     l)  _linker="$OPTARG" ;;
 116     u)  _host_cpu="$OPTARG" ;;
 117     t)  _host_target="$OPTARG" ;;
 118     s)  _host_system="$OPTARG" ;;
 119     g)  _stages="$OPTARG" ;;
 120     b)  _bootstrap=true ;;
 121     e)  _cross=true ;;
 122     h|?)  usage ;;
 123   esac
 124 done
 125
 126 if [ "$_stages" -lt "0" -o "$_stages" -gt "2" ]; then
 127   usage
 128 fi
 129
 130 if [ "$(expr $# - $OPTIND + 1)" != "3" ]; then
 131   usage
 132 fi
 133
 134 shift $(($OPTIND - 1))
 135 _cpu="$1"
 136 _target="$2"
 137 _system="$3"
 138
 139 if [ -z "$_host_cpu" ]; then
 140   _host_cpu="$_cpu"
 141 fi
 142
 143 if [ -z "$_host_target" ]; then
 144   _host_target="$_target"
 145 fi
 146
 147 if [ -z "$_host_system" ]; then
 148   _host_system="$_system"
 149 fi
 150
 151 ###^^^^^^^^^^^^^^^^^^^^###
 152 ### Bootstrap compiler ###
 153 ###____________________###
 154
 155 if $_bootstrap; then
 156   echo "==> Bootstrap"
 157   _compiler=
 158   _linker=
 159   if $_cross; then
 160     make_stage "$_this/bootstrap/$_host_cpu-cpfront-$_host_system" "$_host_cpu" "cpfront" "$_host_system" -b
 161   else
 162     make_stage "$_this/bootstrap/$_host_cpu-cpfront-$_host_system" "$_cpu" "cpfront" "$_system" -b
 163   fi
 164 else
 165   echo "==> Stage 0"
 166   make_verify_stage 0
 167 fi
 168
 169 ###^^^^^^^^^^^^^^^^^^###
 170 ### Recompile itself ###
 171 ###__________________###
 172
 173 if [ "1" -le "$_stages" ]; then
 174   echo "==> Stage 1"
 175   make_verify_stage 1
 176 fi
 177
 178 if [ "2" -le "$_stages" ]; then
 179   echo "==> Stage 2"
 180   make_verify_stage 2
 181 fi
 182
 183 ###^^^^^^^^^^^^^^^###
 184 ### Cross compile ###
 185 ###_______________###
 186
 187 if $_cross; then
 188   echo "==> Cross compile"
 189   make_stage "$_this/stage-cross/$_cpu-$_target-$_system" "$_cpu" "$_target" "$_system"
 190 fi
 191
 192 echo "==> Done"