bootstrap_cmds/migcom.tproj/mig.sh

   1 #!/bin/bash
   2 #
   3 # Copyright (c) 1999-2008 Apple Inc. All rights reserved.
   4 #
   5 # @APPLE_LICENSE_HEADER_START@
   6 #
   7 # "Portions Copyright (c) 1999, 2008 Apple Inc.  All Rights
   8 # Reserved.  This file contains Original Code and/or Modifications of
   9 # Original Code as defined in and that are subject to the Apple Public
  10 # Source License Version 1.0 (the 'License').  You may not use this file
  11 # except in compliance with the License.  Please obtain a copy of the
  12 # License at http://www.apple.com/publicsource and read it before using
  13 # this file.
  14 #
  15 # The Original Code and all software distributed under the License are
  16 # distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17 # EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18 # INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19 # FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  20 # License for the specific language governing rights and limitations
  21 # under the License."
  22 #
  23 # @APPLE_LICENSE_HEADER_END@
  24 #
  25 # Mach Operating System
  26 # Copyright (c) 1991,1990 Carnegie Mellon University
  27 # All Rights Reserved.
  28 #
  29 # Permission to use, copy, modify and distribute this software and its
  30 # documentation is hereby granted, provided that both the copyright
  31 # notice and this permission notice appear in all copies of the
  32 # software, derivative works or modified versions, and any portions
  33 # thereof, and that both notices appear in supporting documentation.
  34 #
  35 # CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  36 # CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
  37 # ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  38 #
  39 # Carnegie Mellon requests users of this software to return to
  40 #
  41 #  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  42 #  School of Computer Science
  43 #  Carnegie Mellon University
  44 #  Pittsburgh PA 15213-3890
  45 #
  46 # any improvements or extensions that they make and grant Carnegie Mellon
  47 # the rights to redistribute these changes.
  48 #
  49
  50 realpath()
  51 {
  52         local FILE="$1"
  53         local PARENT=$(dirname "$FILE")
  54         local BASE=$(basename "$FILE")
  55         pushd "$PARENT" >/dev/null 2>&1 || return 0
  56         local DIR=$(pwd -P)
  57         popd >/dev/null
  58         if [ "$DIR" == "/" ]; then
  59                 echo "/$BASE"
  60         else
  61                 echo "$DIR/$BASE"
  62         fi
  63         return 1
  64 }
  65
  66 scriptPath=$(realpath "$0")
  67 scriptRoot=$(dirname "$scriptPath")
  68 migcomPath=$(realpath "${scriptRoot}/../libexec/migcom")
  69
  70 if [ -n "${SDKROOT}" ]; then
  71         sdkRoot="${SDKROOT}";
  72 fi
  73
  74 if [ -z "${MIGCC}" ]; then
  75   xcrunPath="/usr/bin/xcrun"
  76   if [ -x "${xcrunPath}" ]; then
  77     MIGCC=`"${xcrunPath}" -sdk "$sdkRoot" -find cc`
  78   else
  79     MIGCC=$(realpath "${scriptRoot}/cc")
  80   fi
  81 fi
  82
  83 C=${MIGCC}
  84 M=${MIGCOM-${migcomPath}}
  85
  86 if [ $# -eq 1 ] && [ "$1" = "-version" ] ; then
  87         "$M" "$@"
  88         exit $?
  89 fi
  90
  91 cppflags="-D__MACH30__"
  92
  93 files=
  94 arch=`/usr/bin/arch`
  95
  96 WORKTMP=`/usr/bin/mktemp -d "${TMPDIR:-/tmp}/mig.XXXXXX"`
  97 if [ $? -ne 0 ]; then
  98       echo "Failure creating temporary work directory: ${WORKTMP}"
  99       echo "Exiting..."
 100       exit 1
 101 fi
 102
 103 # parse out the arguments until we hit plain file name(s)
 104
 105 until [ $# -eq 0 ]
 106 do
 107     case "$1" in
 108         -[dtqkKQvVtTrRsSlLxXnN] ) migflags=( "${migflags[@]}" "$1" ); shift;;
 109         -i      ) sawI=1; migflags=( "${migflags[@]}" "$1" "$2" ); shift; shift;;
 110         -user   )  user="$2"; if [ ! "${sawI-}" ]; then migflags=( "${migflags[@]}" "$1" "$2" ); fi; shift; shift;;
 111         -server )  server="$2";  migflags=( "${migflags[@]}" "$1" "$2" ); shift; shift;;
 112         -header )  header="$2";  migflags=( "${migflags[@]}" "$1" "$2"); shift; shift;;
 113         -sheader ) sheader="$2"; migflags=( "${migflags[@]}" "$1" "$2"); shift; shift;;
 114         -iheader ) iheader="$2"; migflags=( "${migflags[@]}" "$1" "$2"); shift; shift;;
 115         -dheader ) dheader="$2"; migflags=( "${migflags[@]}" "$1" "$2"); shift; shift;;
 116         -arch ) arch="$2"; shift; shift;;
 117         -target ) target=( "$1" "$2"); shift; shift;;
 118         -maxonstack ) migflags=( "${migflags[@]}" "$1" "$2"); shift; shift;;
 119         -split ) migflags=( "${migflags[@]}" "$1" ); shift;;
 120         -novouchers ) migflags=( "${migflags[@]}" "$1" ); shift;;
 121         -MD ) sawMD=1; cppflags=( "${cppflags[@]}" "$1"); shift;;
 122         -cpp) shift; shift;;
 123         -cc) C="$2"; shift; shift;;
 124         -migcom) M="$2"; shift; shift;;
 125         -isysroot) sdkRoot=$(realpath "$2"); shift; shift;;
 126         -* ) cppflags=( "${cppflags[@]}" "$1"); shift;;
 127         * ) break;;
 128     esac
 129 done
 130
 131 # process the rest as files
 132 until [ $# -eq 0 ]
 133 do
 134     case "$1" in
 135         -[dtqkKQvVtTrRsSlLxXnN] ) echo "warning: option \"$1\" after filename(s) ignored"; shift; continue;;
 136         -i      ) echo "warning: option \"$1 $2\" after filename(s) ignored"; shift; shift; continue;;
 137         -user   ) echo "warning: option \"$1 $2\" after filename(s) ignored"; shift; shift; continue;;
 138         -server ) echo "warning: option \"$1 $2\" after filename(s) ignored"; shift; shift; continue;;
 139         -header ) echo "warning: option \"$1 $2\" after filename(s) ignored"; shift; shift; continue;;
 140         -sheader ) echo "warning: option \"$1 $2\" after filename(s) ignored"; shift; shift; continue;;
 141         -iheader ) echo "warning: option \"$1 $2\" after filename(s) ignored"; shift; shift; continue;;
 142         -dheader ) echo "warning: option \"$1 $2\" after filename(s) ignored"; shift; shift; continue;;
 143         -arch ) echo "warning: option \"$1 $2\" after filename(s) ignored"; shift ; shift; continue;;
 144         -target ) echo "warning: option \"$1 $2\" after filename(s) ignored"; shift ; shift; continue;;
 145         -maxonstack ) echo "warning: option \"$1 $2\" after filename(s) ignored"; shift; shift; continue;;
 146         -split ) echo "warning: option \"$1\" after filename(s) ignored"; shift; continue;;
 147         -novouchers ) echo "warning: option \"$1\" after filename(s) ignored"; shift; continue;;
 148         -MD ) echo "warning: option \"$1\" after filename(s) ignored"; shift; continue;;
 149         -cpp) echo "warning: option \"$1 $2\" after filename(s) ignored"; shift; shift; continue;;
 150         -cc) echo "warning: option \"$1 $2\" after filename(s) ignored"; shift; shift; continue;;
 151         -migcom) echo "warning: option \"$1 $2\" after filename(s) ignored"; shift; shift; continue;;
 152         -isysroot) echo "warning: option \"$1 $2\" after filename(s) ignored"; shift; shift; continue;;
 153         -* ) echo "warning: option \"$1\" after filename(s) ignored"; shift; continue;;
 154         * ) file="$1"; shift;;
 155     esac
 156     base="$(basename "${file}" .defs)"
 157     temp="${WORKTMP}/${base}.$$"
 158     sourcedir="$(dirname "${file}")"
 159     if [ -n "${sdkRoot}" ]
 160     then
 161       iSysRootParm=( "-isysroot" "${sdkRoot}" )
 162     fi
 163     if [ ! -r "${file}" ]
 164     then
 165       echo "error: cannot read file ${file}"
 166       rm -rf ${WORKTMP}
 167       exit 1
 168     fi
 169     rm -f "${temp}.c" "${temp}.d"
 170     (echo '#line 1 '\"${file}\" ; cat "${file}" ) > "${temp}.c"
 171     "$C" -E -arch ${arch} "${target[@]}" "${cppflags[@]}" -I "${sourcedir}" "${iSysRootParm[@]}" "${temp}.c" | "$M" "${migflags[@]}"
 172     if [ $? -ne 0 ]
 173     then
 174       rm -rf "${temp}.c" "${temp}.d" "${WORKTMP}"
 175       exit 1
 176     fi
 177     if [ "${sawMD}" -a -f "${temp}.d" ]
 178     then
 179         deps=
 180         s=
 181         rheader="${header-${base}.h}"
 182         if [ "${rheader}" != /dev/null ]; then
 183                 deps="${deps}${s}${rheader}"; s=" "
 184         fi
 185         ruser="${user-${base}User.c}"
 186         if [ "${ruser}" != /dev/null ]; then
 187                 deps="${deps}${s}${ruser}"; s=" "
 188         fi
 189         rserver="${server-${base}Server.c}"
 190         if [ "${rserver}" != /dev/null ]; then
 191                 deps="${deps}${s}${rserver}"; s=" "
 192         fi
 193         rsheader="${sheader-/dev/null}"
 194         if [ "${rsheader}" != /dev/null ]; then
 195                 deps="${deps}${s}${rsheader}"; s=" "
 196         fi
 197         riheader="${iheader-/dev/null}"
 198         if [ "${riheader}" != /dev/null ]; then
 199                 deps="${deps}${s}${riheader}"; s=" "
 200         fi
 201         rdheader="${dheader-/dev/null}"
 202         if [ "${rdheader}" != /dev/null ]; then
 203                 deps="${deps}${s}${rdheader}"; s=" "
 204         fi
 205         for target in "${deps}"
 206         do
 207                 sed -e 's;^'"${temp}"'.o[       ]*:;'"${target}"':;' \
 208                     -e 's;: '"${temp}"'.c;: '"$file"';' \
 209                 < "${temp}.d" > "${target}.d"
 210         done
 211         rm -f "${temp}.d"
 212     fi
 213     rm -f "${temp}.c"
 214 done
 215
 216 /bin/rmdir "${WORKTMP}"
 217 exit 0
 218