configure

   1 #! /bin/sh
   2
   3 usage="USAGE: configure [--prefix <path>]"
   4 help="Valid options are:
   5
   6 --default-architecture <architecture>
   7         Set the default architecture (default: autodetected)
   8
   9 --default-format <format>
  10         Set the default output format (default: elf)
  11
  12 --prefix <path>
  13         Install to <path> (default: /usr/local)
  14 "
  15
  16 VERSION=`cat VERSION`
  17
  18 #
  19 # Process command line
  20 #
  21 while [ $# -gt 0 ]
  22 do
  23     case "$1" in
  24     --help)
  25         echo "$usage"
  26         echo "$help"
  27         exit
  28     ;;
  29     --default-architecture)
  30         shift
  31         DEFAULT_ARCHITECTURE="$1"
  32     ;;
  33     --default-format)
  34         shift
  35         DEFAULT_FORMAT="$1"
  36     ;;
  37     --prefix)
  38         shift
  39         PREFIX="$1"
  40     ;;
  41     -*)
  42         echo "Invalid option: $1" >&2
  43         exit 128
  44     ;;
  45     *)
  46         echo "Invalid argument: $1" >&2
  47         exit 128
  48     esac
  49     shift
  50 done
  51
  52 #
  53 # Defaults
  54 #
  55 [ -n "$PREFIX" ] || PREFIX=/usr/local
  56 [ -n "$BINDIR" ] || BINDIR="\$(PREFIX)/bin"
  57 [ -n "$DOCDIR" ] || DOCDIR="\$(PREFIX)/share/doc"
  58 [ -n "$MANDIR" ] || MANDIR="\$(PREFIX)/share/man"
  59 [ -n "$RUBYLIBDIR" ] || RUBYLIBDIR="\$(PREFIX)/lib/site_ruby"
  60
  61 [ -n "$DEFAULT_ARCHITECTURE" ] || DEFAULT_ARCHITECTURE=auto
  62 [ -n "$DEFAULT_FORMAT" ] || DEFAULT_FORMAT=elf
  63
  64 printf 'Testing for ruby...'
  65 [ -n "$RUBY" ] || RUBY=`which ruby 2>/dev/null`
  66 if [ $? -eq 0 ]
  67 then
  68     echo $RUBY
  69 else
  70     echo "not found"
  71     cat <<EOT
  72 WARNING: Ruby interpreter not found. You need a Ruby interpreter to
  73 run the voodooc compiler.
  74
  75 EOT
  76 fi
  77
  78 printf 'Testing for nasm...'
  79 [ -n "$NASM" ] || NASM=`which nasm 2>/dev/null` || NASM=`which yasm 2>/dev/null`
  80 if [ $? -eq 0 ]
  81 then
  82     echo $NASM
  83 else
  84     echo "not found"
  85     cat <<EOT
  86 WARNING: NASM not found. You need NASM to create i386 object code.
  87
  88 EOT
  89 fi
  90
  91 printf 'Testing for GNU assembler...'
  92 if [ -z "$GAS" ]
  93 then
  94     for x in gas as
  95     do
  96         GAS=`which "$x"` 2>/dev/null
  97         if [ $? -eq 0 ]
  98         then
  99             # Found an executable that has the right name;
 100             # test if it is really the GNU assembler
 101             output=`$GAS --version < /dev/null 2>&1`
 102             if echo "$output" | grep -q '^GNU assembler'
 103             then
 104                 # Yes, it is the GNU assembler
 105                 true
 106             else
 107                 # Not the GNU assembler, continue the search
 108                 unset GAS
 109             fi
 110         fi
 111         [ -z "$GAS" ] || break
 112     done
 113 fi
 114
 115 if [ -n "$GAS" ]
 116 then
 117     echo $GAS
 118 else
 119     echo "not found"
 120     cat <<EOT
 121 WARNING: GNU assembler not found. You need the GNU assembler to create
 122 mips or mipsel object code.
 123
 124 EOT
 125 fi
 126
 127 printf 'Testing for rdoc...'
 128 [ -n "$RDOC" ] || RDOC=`which rdoc 2>/dev/null`
 129 if [ $? -eq 0 ]
 130 then
 131     echo $RDOC
 132 else
 133     echo "not found"
 134     cat <<EOT
 135 WARNING: rdoc not found. You need rdoc to generate API documentation
 136 from the library files.
 137
 138 EOT
 139 fi
 140
 141 printf 'Testing for gem...'
 142 [ -n "$GEM" ] || GEM=`which gem 2>/dev/null`
 143 if [ $? -eq 0 ]
 144 then
 145     echo $GEM
 146 else
 147     echo "not found"
 148     cat <<EOT
 149 WARNING: RubyGems gem command not found. You need the gem command to
 150 create gems.
 151
 152 EOT
 153 fi
 154
 155 printf 'Writing Makefile.cfg...'
 156 cat <<EOF > Makefile.cfg
 157 VERSION = $VERSION
 158
 159 DEFAULT_ARCHITECTURE = $DEFAULT_ARCHITECTURE
 160 DEFAULT_FORMAT = $DEFAULT_FORMAT
 161
 162 PREFIX = $PREFIX
 163 BINDIR = $BINDIR
 164 DOCDIR = $DOCDIR
 165 MANDIR = $MANDIR
 166 RUBYLIBDIR = $RUBYLIBDIR
 167
 168 GAS = $GAS
 169 GEM = $GEM
 170 NASM = $NASM
 171 RDOC = $RDOC
 172 RUBY = $RUBY
 173 EOF
 174 if [ $? -eq 0 ]
 175 then
 176     echo 'done'
 177     echo ''
 178     cat Makefile.cfg
 179 fi
 180