kencc-svn/configure

   1 #!/bin/bash
   2
   3
   4 if ROOT=$(pwd) && HOST_SYSTEM="Linux" && HOST_ARCH="386"
   5 then
   6
   7  #
   8  # Rewrite uname values to a pair from these sets
   9  #
  10  #  HOST_SYSTEM := { MacOSX, Linux, Nt, Solaris, FreeBSD, NetBSD, Irix, Plan9 }
  11  #
  12  #  HOST_ARCH := { 386, mips, power, sparc }
  13  #
  14  case ${HOST_SYSTEM} in
  15   Windows*|CYGWIN*|MINGW*)
  16    HOST_SYSTEM="Nt"
  17    ;;
  18   Darwin)
  19    HOST_SYSTEM="MacOSX"
  20    ;;
  21   SunOS)
  22    HOST_SYSTEM="Solaris"
  23    ;;
  24   IRIX64)
  25    HOST_SYSTEM="Irix"
  26    ;;
  27  esac
  28
  29  if [ "unknown" = "${HOST_ARCH}" ]
  30  then
  31   HOST_ARCH=$(uname -m)
  32  fi
  33
  34  case ${HOST_ARCH} in
  35   ppc|powerpc)
  36    HOST_ARCH="power"
  37    ;;
  38   x86|x86_32|i386|i586|i686|486|586|686)
  39    HOST_ARCH="386"
  40    ;;
  41  esac
  42
  43  #
  44  # Initialize configuration
  45  #
  46  SYSHOST=${HOST_SYSTEM}
  47  SYSTARG=${HOST_SYSTEM}
  48  OBJTYPE=${HOST_ARCH}
  49
  50  #
  51  # Optionally modify configuration
  52  #
  53  while [ -n "${1}" ]
  54  do
  55   case $1 in
  56    *clean)
  57     rm -f mkconfig env bin
  58     #1>&2 echo ok
  59     exit 0
  60     ;;
  61    --host)
  62     shift
  63     HOST_SYSTEM=$1
  64     shift
  65     SYSHOST=${HOST_SYSTEM}
  66     SYSTARG=${HOST_SYSTEM}
  67     ;;
  68    --target)
  69     shift
  70     SYSTARG=$1
  71     shift
  72     ;;
  73    --object)
  74     shift
  75     OBJTYPE=$1
  76     shift
  77     ;;
  78    --help|-help|-h|-?)
  79     cat<<EOF>&2
  80
  81  Configuration options (in order)
  82
  83    --host <Host system type>     (eg, MacOSX, Linux, Nt, Solaris, FreeBSD, NetBSD, Irix, Plan9)
  84
  85    --target <Target system type> (eg, MacOSX, Linux, Nt, Solaris, FreeBSD, NetBSD, Irix, Plan9)
  86
  87    --object <Target object type> (eg, 386, mips, power, sparc)
  88
  89  Usage
  90
  91    Configuration options must be employed in the order shown above.
  92
  93    Running with no arguments should produce a valid result.
  94
  95    Please contribute to this project by ensuring that any found bugs
  96    have been reported via
  97
  98       http://code.google.com/p/ken-cc/issues/list
  99
 100    for your configuration
 101
 102       HOST_SYSTEM=${HOST_SYSTEM}
 103       HOST_ARCH=${HOST_ARCH}
 104
 105  Cleaning (or unconfiguring)
 106
 107    Run
 108       ./configure clean
 109    or
 110       ./configure --clean
 111
 112    to remove the products of this script.
 113
 114 EOF
 115     exit 1
 116     ;;
 117   esac
 118  done
 119  #
 120  # Host bin
 121  #
 122  BINDIR=${HOST_SYSTEM}/${HOST_ARCH}
 123  #
 124  # Target bin
 125  #
 126  OBJDIR=${SYSTARG}/${OBJTYPE}
 127  #
 128  # Sanity testing...
 129  #
 130  if [ -z "${SYSHOST}" ]||[ -z "${SYSTARG}" ]||[ -z "${OBJTYPE}" ]
 131  then
 132   cat<<EOF>&2
 133 Input error
 134 EOF
 135   exit 1
 136
 137  elif [ ! -d "${BINDIR}" ]
 138  then
 139   cat<<EOF>&2
 140 Host type selection error in one or both of
 141  HOST_SYSTEM '${HOST_SYSTEM}'
 142  HOST_ARCH '${HOST_ARCH}'
 143 EOF
 144   exit 1
 145
 146  elif [ ! -d "${OBJDIR}" ]
 147  then
 148   cat<<EOF>&2
 149 Target type selection error in one or both of
 150  TARGET '${SYSTARG}'
 151  OBJECT '${OBJTYPE}'
 152 EOF
 153   exit 1
 154
 155  else
 156   #
 157   # Generate configuration
 158   #
 159   cat<<EOF>mkconfig
 160 #
 161 #       Set the following 4 variables.  The host system is the system where
 162 #       the software will be built; the target system is where it will run.
 163 #       They are almost always the same.
 164
 165 #       On Nt systems, the ROOT path MUST be of the form 'drive:/path'
 166 ROOT=${ROOT}
 167
 168 #   build system OS type
 169 SYSHOST=${SYSHOST}
 170
 171 #   target system OS type
 172 SYSTARG=${SYSTARG}
 173
 174 #   target system object type
 175 OBJTYPE=${OBJTYPE}
 176
 177 #
 178 #       no changes required beyond this point
 179 #
 180 OBJDIR=\$SYSTARG/\$OBJTYPE
 181
 182 <\$ROOT/mkfiles/mkhost-\$SYSHOST                        # variables appropriate for host system
 183 <\$ROOT/mkfiles/mkfile-\$SYSTARG-\$OBJTYPE      # variables used to build target object type
 184
 185 EOF
 186
 187  fi
 188  #
 189  # Report product
 190  #
 191  cat<<EOF
 192    Successfully configured and wrote 'mkconfig'
 193 EOF
 194
 195  #
 196  # Configure host binaries into 'env' path
 197  #
 198  if [ -e bin ]
 199  then
 200   rm -f bin
 201  fi
 202  if ln -s ${BINDIR}/bin bin
 203  then
 204  cat<<EOF
 205    Successfully configured host path '$(pwd)/bin'
 206 EOF
 207  else
 208   cat<<EOF>&2
 209 Error linking host path 'ln -s ${BINDIR}/bin bin'
 210 EOF
 211   exit 1
 212  fi
 213  #
 214  # Configure 'env' script
 215  #
 216  ewd=$(pwd)
 217  ebp=${ewd}/bin
 218  cat<<EOF>env
 219 #
 220 # Generated by ${ewd}/configure. See ./configure --help.
 221 #
 222 # Usage
 223 #   Run
 224 #      . ./env
 225 #   or
 226 #      source ./env
 227 #
 228 #   in this directory
 229 #   to initialize this development environment
 230 #
 231 PATH=${ebp}:\$(echo \${PATH} | sed 's%${ebp}:%%g; s%:${ebp}%%g')
 232 #
 233 # Convenience for running commands outside 'mk'...
 234 #
 235 ROOT=${ROOT}
 236 #
 237 # Conveniences for sourcing and targeting commands as in 'mk'...
 238 #
 239 SYSTARG=${SYSTARG}
 240 OBJTYPE=${OBJTYPE}
 241 OBJDIR=\${SYSTARG}/\${OBJTYPE}
 242
 243 EOF
 244
 245  cat<<EOF>&2
 246
 247    Employ command ". ./env" in this directory to initialize usage,
 248    or PREPEND "$(pwd)/bin" to your PATH.
 249
 250 EOF
 251  exit 0
 252 else
 253  cat<<EOF>&2
 254
 255 Error running commands 'pwd' or 'uname'.
 256 Unable to configure.
 257
 258 EOF
 259  exit 1
 260 fi