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      1 #! /bin/sh
      2 # Wrapper for compilers which do not understand '-c -o'.
      3 
      4 scriptversion=2012-03-05.13; # UTC
      5 
      6 # Copyright (C) 1999-2012 Free Software Foundation, Inc.
      7 # Written by Tom Tromey <tromey (at] cygnus.com>.
      8 #
      9 # This program is free software; you can redistribute it and/or modify
     10 # it under the terms of the GNU General Public License as published by
     11 # the Free Software Foundation; either version 2, or (at your option)
     12 # any later version.
     13 #
     14 # This program is distributed in the hope that it will be useful,
     15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     17 # GNU General Public License for more details.
     18 #
     19 # You should have received a copy of the GNU General Public License
     20 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
     21 
     22 # As a special exception to the GNU General Public License, if you
     23 # distribute this file as part of a program that contains a
     24 # configuration script generated by Autoconf, you may include it under
     25 # the same distribution terms that you use for the rest of that program.
     26 
     27 # This file is maintained in Automake, please report
     28 # bugs to <bug-automake (at] gnu.org> or send patches to
     29 # <automake-patches (at] gnu.org>.
     30 
     31 nl='
     32 '
     33 
     34 # We need space, tab and new line, in precisely that order.  Quoting is
     35 # there to prevent tools from complaining about whitespace usage.
     36 IFS=" ""	$nl"
     37 
     38 file_conv=
     39 
     40 # func_file_conv build_file lazy
     41 # Convert a $build file to $host form and store it in $file
     42 # Currently only supports Windows hosts. If the determined conversion
     43 # type is listed in (the comma separated) LAZY, no conversion will
     44 # take place.
     45 func_file_conv ()
     46 {
     47   file=$1
     48   case $file in
     49     / | /[!/]*) # absolute file, and not a UNC file
     50       if test -z "$file_conv"; then
     51 	# lazily determine how to convert abs files
     52 	case `uname -s` in
     53 	  MINGW*)
     54 	    file_conv=mingw
     55 	    ;;
     56 	  CYGWIN*)
     57 	    file_conv=cygwin
     58 	    ;;
     59 	  *)
     60 	    file_conv=wine
     61 	    ;;
     62 	esac
     63       fi
     64       case $file_conv/,$2, in
     65 	*,$file_conv,*)
     66 	  ;;
     67 	mingw/*)
     68 	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
     69 	  ;;
     70 	cygwin/*)
     71 	  file=`cygpath -m "$file" || echo "$file"`
     72 	  ;;
     73 	wine/*)
     74 	  file=`winepath -w "$file" || echo "$file"`
     75 	  ;;
     76       esac
     77       ;;
     78   esac
     79 }
     80 
     81 # func_cl_dashL linkdir
     82 # Make cl look for libraries in LINKDIR
     83 func_cl_dashL ()
     84 {
     85   func_file_conv "$1"
     86   if test -z "$lib_path"; then
     87     lib_path=$file
     88   else
     89     lib_path="$lib_path;$file"
     90   fi
     91   linker_opts="$linker_opts -LIBPATH:$file"
     92 }
     93 
     94 # func_cl_dashl library
     95 # Do a library search-path lookup for cl
     96 func_cl_dashl ()
     97 {
     98   lib=$1
     99   found=no
    100   save_IFS=$IFS
    101   IFS=';'
    102   for dir in $lib_path $LIB
    103   do
    104     IFS=$save_IFS
    105     if $shared && test -f "$dir/$lib.dll.lib"; then
    106       found=yes
    107       lib=$dir/$lib.dll.lib
    108       break
    109     fi
    110     if test -f "$dir/$lib.lib"; then
    111       found=yes
    112       lib=$dir/$lib.lib
    113       break
    114     fi
    115   done
    116   IFS=$save_IFS
    117 
    118   if test "$found" != yes; then
    119     lib=$lib.lib
    120   fi
    121 }
    122 
    123 # func_cl_wrapper cl arg...
    124 # Adjust compile command to suit cl
    125 func_cl_wrapper ()
    126 {
    127   # Assume a capable shell
    128   lib_path=
    129   shared=:
    130   linker_opts=
    131   for arg
    132   do
    133     if test -n "$eat"; then
    134       eat=
    135     else
    136       case $1 in
    137 	-o)
    138 	  # configure might choose to run compile as 'compile cc -o foo foo.c'.
    139 	  eat=1
    140 	  case $2 in
    141 	    *.o | *.[oO][bB][jJ])
    142 	      func_file_conv "$2"
    143 	      set x "$@" -Fo"$file"
    144 	      shift
    145 	      ;;
    146 	    *)
    147 	      func_file_conv "$2"
    148 	      set x "$@" -Fe"$file"
    149 	      shift
    150 	      ;;
    151 	  esac
    152 	  ;;
    153 	-I)
    154 	  eat=1
    155 	  func_file_conv "$2" mingw
    156 	  set x "$@" -I"$file"
    157 	  shift
    158 	  ;;
    159 	-I*)
    160 	  func_file_conv "${1#-I}" mingw
    161 	  set x "$@" -I"$file"
    162 	  shift
    163 	  ;;
    164 	-l)
    165 	  eat=1
    166 	  func_cl_dashl "$2"
    167 	  set x "$@" "$lib"
    168 	  shift
    169 	  ;;
    170 	-l*)
    171 	  func_cl_dashl "${1#-l}"
    172 	  set x "$@" "$lib"
    173 	  shift
    174 	  ;;
    175 	-L)
    176 	  eat=1
    177 	  func_cl_dashL "$2"
    178 	  ;;
    179 	-L*)
    180 	  func_cl_dashL "${1#-L}"
    181 	  ;;
    182 	-static)
    183 	  shared=false
    184 	  ;;
    185 	-Wl,*)
    186 	  arg=${1#-Wl,}
    187 	  save_ifs="$IFS"; IFS=','
    188 	  for flag in $arg; do
    189 	    IFS="$save_ifs"
    190 	    linker_opts="$linker_opts $flag"
    191 	  done
    192 	  IFS="$save_ifs"
    193 	  ;;
    194 	-Xlinker)
    195 	  eat=1
    196 	  linker_opts="$linker_opts $2"
    197 	  ;;
    198 	-*)
    199 	  set x "$@" "$1"
    200 	  shift
    201 	  ;;
    202 	*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
    203 	  func_file_conv "$1"
    204 	  set x "$@" -Tp"$file"
    205 	  shift
    206 	  ;;
    207 	*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
    208 	  func_file_conv "$1" mingw
    209 	  set x "$@" "$file"
    210 	  shift
    211 	  ;;
    212 	*)
    213 	  set x "$@" "$1"
    214 	  shift
    215 	  ;;
    216       esac
    217     fi
    218     shift
    219   done
    220   if test -n "$linker_opts"; then
    221     linker_opts="-link$linker_opts"
    222   fi
    223   exec "$@" $linker_opts
    224   exit 1
    225 }
    226 
    227 eat=
    228 
    229 case $1 in
    230   '')
    231      echo "$0: No command.  Try '$0 --help' for more information." 1>&2
    232      exit 1;
    233      ;;
    234   -h | --h*)
    235     cat <<\EOF
    236 Usage: compile [--help] [--version] PROGRAM [ARGS]
    237 
    238 Wrapper for compilers which do not understand '-c -o'.
    239 Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
    240 arguments, and rename the output as expected.
    241 
    242 If you are trying to build a whole package this is not the
    243 right script to run: please start by reading the file 'INSTALL'.
    244 
    245 Report bugs to <bug-automake@gnu.org>.
    246 EOF
    247     exit $?
    248     ;;
    249   -v | --v*)
    250     echo "compile $scriptversion"
    251     exit $?
    252     ;;
    253   cl | *[/\\]cl | cl.exe | *[/\\]cl.exe )
    254     func_cl_wrapper "$@"      # Doesn't return...
    255     ;;
    256 esac
    257 
    258 ofile=
    259 cfile=
    260 
    261 for arg
    262 do
    263   if test -n "$eat"; then
    264     eat=
    265   else
    266     case $1 in
    267       -o)
    268 	# configure might choose to run compile as 'compile cc -o foo foo.c'.
    269 	# So we strip '-o arg' only if arg is an object.
    270 	eat=1
    271 	case $2 in
    272 	  *.o | *.obj)
    273 	    ofile=$2
    274 	    ;;
    275 	  *)
    276 	    set x "$@" -o "$2"
    277 	    shift
    278 	    ;;
    279 	esac
    280 	;;
    281       *.c)
    282 	cfile=$1
    283 	set x "$@" "$1"
    284 	shift
    285 	;;
    286       *)
    287 	set x "$@" "$1"
    288 	shift
    289 	;;
    290     esac
    291   fi
    292   shift
    293 done
    294 
    295 if test -z "$ofile" || test -z "$cfile"; then
    296   # If no '-o' option was seen then we might have been invoked from a
    297   # pattern rule where we don't need one.  That is ok -- this is a
    298   # normal compilation that the losing compiler can handle.  If no
    299   # '.c' file was seen then we are probably linking.  That is also
    300   # ok.
    301   exec "$@"
    302 fi
    303 
    304 # Name of file we expect compiler to create.
    305 cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
    306 
    307 # Create the lock directory.
    308 # Note: use '[/\\:.-]' here to ensure that we don't use the same name
    309 # that we are using for the .o file.  Also, base the name on the expected
    310 # object file name, since that is what matters with a parallel build.
    311 lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
    312 while true; do
    313   if mkdir "$lockdir" >/dev/null 2>&1; then
    314     break
    315   fi
    316   sleep 1
    317 done
    318 # FIXME: race condition here if user kills between mkdir and trap.
    319 trap "rmdir '$lockdir'; exit 1" 1 2 15
    320 
    321 # Run the compile.
    322 "$@"
    323 ret=$?
    324 
    325 if test -f "$cofile"; then
    326   test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
    327 elif test -f "${cofile}bj"; then
    328   test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
    329 fi
    330 
    331 rmdir "$lockdir"
    332 exit $ret
    333 
    334 # Local Variables:
    335 # mode: shell-script
    336 # sh-indentation: 2
    337 # eval: (add-hook 'write-file-hooks 'time-stamp)
    338 # time-stamp-start: "scriptversion="
    339 # time-stamp-format: "%:y-%02m-%02d.%02H"
    340 # time-stamp-time-zone: "UTC"
    341 # time-stamp-end: "; # UTC"
    342 # End:
    343