lib/compile

   1 #! /bin/sh
   2 # Wrapper for compilers which do not understand `-c -o'.
   3
   4 scriptversion=2012-01-04.17; # UTC
   5
   6 # Copyright (C) 1999, 2000, 2003, 2004, 2005, 2009, 2010, 2012 Free
   7 # Software Foundation, Inc.
   8 # Written by Tom Tromey <tromey@cygnus.com>.
   9 #
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; either version 2, or (at your option)
  13 # any later version.
  14 #
  15 # This program is distributed in the hope that it will be useful,
  16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18 # GNU General Public License for more details.
  19 #
  20 # You should have received a copy of the GNU General Public License
  21 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  22
  23 # As a special exception to the GNU General Public License, if you
  24 # distribute this file as part of a program that contains a
  25 # configuration script generated by Autoconf, you may include it under
  26 # the same distribution terms that you use for the rest of that program.
  27
  28 # This file is maintained in Automake, please report
  29 # bugs to <bug-automake@gnu.org> or send patches to
  30 # <automake-patches@gnu.org>.
  31
  32 nl='
  33 '
  34
  35 # We need space, tab and new line, in precisely that order.  Quoting is
  36 # there to prevent tools from complaining about whitespace usage.
  37 IFS=" ""        $nl"
  38
  39 file_conv=
  40
  41 # func_file_conv build_file lazy
  42 # Convert a $build file to $host form and store it in $file
  43 # Currently only supports Windows hosts. If the determined conversion
  44 # type is listed in (the comma separated) LAZY, no conversion will
  45 # take place.
  46 func_file_conv ()
  47 {
  48   file=$1
  49   case $file in
  50     / | /[!/]*) # absolute file, and not a UNC file
  51       if test -z "$file_conv"; then
  52         # lazily determine how to convert abs files
  53         case `uname -s` in
  54           MINGW*)
  55             file_conv=mingw
  56             ;;
  57           CYGWIN*)
  58             file_conv=cygwin
  59             ;;
  60           *)
  61             file_conv=wine
  62             ;;
  63         esac
  64       fi
  65       case $file_conv/,$2, in
  66         *,$file_conv,*)
  67           ;;
  68         mingw/*)
  69           file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`
  70           ;;
  71         cygwin/*)
  72           file=`cygpath -m "$file" || echo "$file"`
  73           ;;
  74         wine/*)
  75           file=`winepath -w "$file" || echo "$file"`
  76           ;;
  77       esac
  78       ;;
  79   esac
  80 }
  81
  82 # func_cl_wrapper cl arg...
  83 # Adjust compile command to suit cl
  84 func_cl_wrapper ()
  85 {
  86   # Assume a capable shell
  87   lib_path=
  88   shared=:
  89   linker_opts=
  90   for arg
  91   do
  92     if test -n "$eat"; then
  93       eat=
  94     else
  95       case $1 in
  96         -o)
  97           # configure might choose to run compile as `compile cc -o foo foo.c'.
  98           eat=1
  99           case $2 in
 100             *.o | *.[oO][bB][jJ])
 101               func_file_conv "$2"
 102               set x "$@" -Fo"$file"
 103               shift
 104               ;;
 105             *)
 106               func_file_conv "$2"
 107               set x "$@" -Fe"$file"
 108               shift
 109               ;;
 110           esac
 111           ;;
 112         -I*)
 113           func_file_conv "${1#-I}" mingw
 114           set x "$@" -I"$file"
 115           shift
 116           ;;
 117         -l*)
 118           lib=${1#-l}
 119           found=no
 120           save_IFS=$IFS
 121           IFS=';'
 122           for dir in $lib_path $LIB
 123           do
 124             IFS=$save_IFS
 125             if $shared && test -f "$dir/$lib.dll.lib"; then
 126               found=yes
 127               set x "$@" "$dir/$lib.dll.lib"
 128               break
 129             fi
 130             if test -f "$dir/$lib.lib"; then
 131               found=yes
 132               set x "$@" "$dir/$lib.lib"
 133               break
 134             fi
 135           done
 136           IFS=$save_IFS
 137
 138           test "$found" != yes && set x "$@" "$lib.lib"
 139           shift
 140           ;;
 141         -L*)
 142           func_file_conv "${1#-L}"
 143           if test -z "$lib_path"; then
 144             lib_path=$file
 145           else
 146             lib_path="$lib_path;$file"
 147           fi
 148           linker_opts="$linker_opts -LIBPATH:$file"
 149           ;;
 150         -static)
 151           shared=false
 152           ;;
 153         -Wl,*)
 154           arg=${1#-Wl,}
 155           save_ifs="$IFS"; IFS=','
 156           for flag in $arg; do
 157             IFS="$save_ifs"
 158             linker_opts="$linker_opts $flag"
 159           done
 160           IFS="$save_ifs"
 161           ;;
 162         -Xlinker)
 163           eat=1
 164           linker_opts="$linker_opts $2"
 165           ;;
 166         -*)
 167           set x "$@" "$1"
 168           shift
 169           ;;
 170         *.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
 171           func_file_conv "$1"
 172           set x "$@" -Tp"$file"
 173           shift
 174           ;;
 175         *.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
 176           func_file_conv "$1" mingw
 177           set x "$@" "$file"
 178           shift
 179           ;;
 180         *)
 181           set x "$@" "$1"
 182           shift
 183           ;;
 184       esac
 185     fi
 186     shift
 187   done
 188   if test -n "$linker_opts"; then
 189     linker_opts="-link$linker_opts"
 190   fi
 191   exec "$@" $linker_opts
 192   exit 1
 193 }
 194
 195 eat=
 196
 197 case $1 in
 198   '')
 199      echo "$0: No command.  Try \`$0 --help' for more information." 1>&2
 200      exit 1;
 201      ;;
 202   -h | --h*)
 203     cat <<\EOF
 204 Usage: compile [--help] [--version] PROGRAM [ARGS]
 205
 206 Wrapper for compilers which do not understand `-c -o'.
 207 Remove `-o dest.o' from ARGS, run PROGRAM with the remaining
 208 arguments, and rename the output as expected.
 209
 210 If you are trying to build a whole package this is not the
 211 right script to run: please start by reading the file `INSTALL'.
 212
 213 Report bugs to <bug-automake@gnu.org>.
 214 EOF
 215     exit $?
 216     ;;
 217   -v | --v*)
 218     echo "compile $scriptversion"
 219     exit $?
 220     ;;
 221   cl | *[/\\]cl | cl.exe | *[/\\]cl.exe )
 222     func_cl_wrapper "$@"      # Doesn't return...
 223     ;;
 224 esac
 225
 226 ofile=
 227 cfile=
 228
 229 for arg
 230 do
 231   if test -n "$eat"; then
 232     eat=
 233   else
 234     case $1 in
 235       -o)
 236         # configure might choose to run compile as `compile cc -o foo foo.c'.
 237         # So we strip `-o arg' only if arg is an object.
 238         eat=1
 239         case $2 in
 240           *.o | *.obj)
 241             ofile=$2
 242             ;;
 243           *)
 244             set x "$@" -o "$2"
 245             shift
 246             ;;
 247         esac
 248         ;;
 249       *.c)
 250         cfile=$1
 251         set x "$@" "$1"
 252         shift
 253         ;;
 254       *)
 255         set x "$@" "$1"
 256         shift
 257         ;;
 258     esac
 259   fi
 260   shift
 261 done
 262
 263 if test -z "$ofile" || test -z "$cfile"; then
 264   # If no `-o' option was seen then we might have been invoked from a
 265   # pattern rule where we don't need one.  That is ok -- this is a
 266   # normal compilation that the losing compiler can handle.  If no
 267   # `.c' file was seen then we are probably linking.  That is also
 268   # ok.
 269   exec "$@"
 270 fi
 271
 272 # Name of file we expect compiler to create.
 273 cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
 274
 275 # Create the lock directory.
 276 # Note: use `[/\\:.-]' here to ensure that we don't use the same name
 277 # that we are using for the .o file.  Also, base the name on the expected
 278 # object file name, since that is what matters with a parallel build.
 279 lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
 280 while true; do
 281   if mkdir "$lockdir" >/dev/null 2>&1; then
 282     break
 283   fi
 284   sleep 1
 285 done
 286 # FIXME: race condition here if user kills between mkdir and trap.
 287 trap "rmdir '$lockdir'; exit 1" 1 2 15
 288
 289 # Run the compile.
 290 "$@"
 291 ret=$?
 292
 293 if test -f "$cofile"; then
 294   test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
 295 elif test -f "${cofile}bj"; then
 296   test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
 297 fi
 298
 299 rmdir "$lockdir"
 300 exit $ret
 301
 302 # Local Variables:
 303 # mode: shell-script
 304 # sh-indentation: 2
 305 # eval: (add-hook 'write-file-hooks 'time-stamp)
 306 # time-stamp-start: "scriptversion="
 307 # time-stamp-format: "%:y-%02m-%02d.%02H"
 308 # time-stamp-time-zone: "UTC"
 309 # time-stamp-end: "; # UTC"
 310 # End: