external/bsd/flex/dist/compile

   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, 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_dashL linkdir
  83 # Make cl look for libraries in LINKDIR
  84 func_cl_dashL ()
  85 {
  86   func_file_conv "$1"
  87   if test -z "$lib_path"; then
  88     lib_path=$file
  89   else
  90     lib_path="$lib_path;$file"
  91   fi
  92   linker_opts="$linker_opts -LIBPATH:$file"
  93 }
  94
  95 # func_cl_dashl library
  96 # Do a library search-path lookup for cl
  97 func_cl_dashl ()
  98 {
  99   lib=$1
 100   found=no
 101   save_IFS=$IFS
 102   IFS=';'
 103   for dir in $lib_path $LIB
 104   do
 105     IFS=$save_IFS
 106     if $shared && test -f "$dir/$lib.dll.lib"; then
 107       found=yes
 108       lib=$dir/$lib.dll.lib
 109       break
 110     fi
 111     if test -f "$dir/$lib.lib"; then
 112       found=yes
 113       lib=$dir/$lib.lib
 114       break
 115     fi
 116   done
 117   IFS=$save_IFS
 118
 119   if test "$found" != yes; then
 120     lib=$lib.lib
 121   fi
 122 }
 123
 124 # func_cl_wrapper cl arg...
 125 # Adjust compile command to suit cl
 126 func_cl_wrapper ()
 127 {
 128   # Assume a capable shell
 129   lib_path=
 130   shared=:
 131   linker_opts=
 132   for arg
 133   do
 134     if test -n "$eat"; then
 135       eat=
 136     else
 137       case $1 in
 138         -o)
 139           # configure might choose to run compile as 'compile cc -o foo foo.c'.
 140           eat=1
 141           case $2 in
 142             *.o | *.[oO][bB][jJ])
 143               func_file_conv "$2"
 144               set x "$@" -Fo"$file"
 145               shift
 146               ;;
 147             *)
 148               func_file_conv "$2"
 149               set x "$@" -Fe"$file"
 150               shift
 151               ;;
 152           esac
 153           ;;
 154         -I)
 155           eat=1
 156           func_file_conv "$2" mingw
 157           set x "$@" -I"$file"
 158           shift
 159           ;;
 160         -I*)
 161           func_file_conv "${1#-I}" mingw
 162           set x "$@" -I"$file"
 163           shift
 164           ;;
 165         -l)
 166           eat=1
 167           func_cl_dashl "$2"
 168           set x "$@" "$lib"
 169           shift
 170           ;;
 171         -l*)
 172           func_cl_dashl "${1#-l}"
 173           set x "$@" "$lib"
 174           shift
 175           ;;
 176         -L)
 177           eat=1
 178           func_cl_dashL "$2"
 179           ;;
 180         -L*)
 181           func_cl_dashL "${1#-L}"
 182           ;;
 183         -static)
 184           shared=false
 185           ;;
 186         -Wl,*)
 187           arg=${1#-Wl,}
 188           save_ifs="$IFS"; IFS=','
 189           for flag in $arg; do
 190             IFS="$save_ifs"
 191             linker_opts="$linker_opts $flag"
 192           done
 193           IFS="$save_ifs"
 194           ;;
 195         -Xlinker)
 196           eat=1
 197           linker_opts="$linker_opts $2"
 198           ;;
 199         -*)
 200           set x "$@" "$1"
 201           shift
 202           ;;
 203         *.cc | *.CC | *.cxx | *.CXX | *.[cC]++)
 204           func_file_conv "$1"
 205           set x "$@" -Tp"$file"
 206           shift
 207           ;;
 208         *.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])
 209           func_file_conv "$1" mingw
 210           set x "$@" "$file"
 211           shift
 212           ;;
 213         *)
 214           set x "$@" "$1"
 215           shift
 216           ;;
 217       esac
 218     fi
 219     shift
 220   done
 221   if test -n "$linker_opts"; then
 222     linker_opts="-link$linker_opts"
 223   fi
 224   exec "$@" $linker_opts
 225   exit 1
 226 }
 227
 228 eat=
 229
 230 case $1 in
 231   '')
 232      echo "$0: No command.  Try '$0 --help' for more information." 1>&2
 233      exit 1;
 234      ;;
 235   -h | --h*)
 236     cat <<\EOF
 237 Usage: compile [--help] [--version] PROGRAM [ARGS]
 238
 239 Wrapper for compilers which do not understand '-c -o'.
 240 Remove '-o dest.o' from ARGS, run PROGRAM with the remaining
 241 arguments, and rename the output as expected.
 242
 243 If you are trying to build a whole package this is not the
 244 right script to run: please start by reading the file 'INSTALL'.
 245
 246 Report bugs to <bug-automake@gnu.org>.
 247 EOF
 248     exit $?
 249     ;;
 250   -v | --v*)
 251     echo "compile $scriptversion"
 252     exit $?
 253     ;;
 254   cl | *[/\\]cl | cl.exe | *[/\\]cl.exe )
 255     func_cl_wrapper "$@"      # Doesn't return...
 256     ;;
 257 esac
 258
 259 ofile=
 260 cfile=
 261
 262 for arg
 263 do
 264   if test -n "$eat"; then
 265     eat=
 266   else
 267     case $1 in
 268       -o)
 269         # configure might choose to run compile as 'compile cc -o foo foo.c'.
 270         # So we strip '-o arg' only if arg is an object.
 271         eat=1
 272         case $2 in
 273           *.o | *.obj)
 274             ofile=$2
 275             ;;
 276           *)
 277             set x "$@" -o "$2"
 278             shift
 279             ;;
 280         esac
 281         ;;
 282       *.c)
 283         cfile=$1
 284         set x "$@" "$1"
 285         shift
 286         ;;
 287       *)
 288         set x "$@" "$1"
 289         shift
 290         ;;
 291     esac
 292   fi
 293   shift
 294 done
 295
 296 if test -z "$ofile" || test -z "$cfile"; then
 297   # If no '-o' option was seen then we might have been invoked from a
 298   # pattern rule where we don't need one.  That is ok -- this is a
 299   # normal compilation that the losing compiler can handle.  If no
 300   # '.c' file was seen then we are probably linking.  That is also
 301   # ok.
 302   exec "$@"
 303 fi
 304
 305 # Name of file we expect compiler to create.
 306 cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`
 307
 308 # Create the lock directory.
 309 # Note: use '[/\\:.-]' here to ensure that we don't use the same name
 310 # that we are using for the .o file.  Also, base the name on the expected
 311 # object file name, since that is what matters with a parallel build.
 312 lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d
 313 while true; do
 314   if mkdir "$lockdir" >/dev/null 2>&1; then
 315     break
 316   fi
 317   sleep 1
 318 done
 319 # FIXME: race condition here if user kills between mkdir and trap.
 320 trap "rmdir '$lockdir'; exit 1" 1 2 15
 321
 322 # Run the compile.
 323 "$@"
 324 ret=$?
 325
 326 if test -f "$cofile"; then
 327   test "$cofile" = "$ofile" || mv "$cofile" "$ofile"
 328 elif test -f "${cofile}bj"; then
 329   test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"
 330 fi
 331
 332 rmdir "$lockdir"
 333 exit $ret
 334
 335 # Local Variables:
 336 # mode: shell-script
 337 # sh-indentation: 2
 338 # eval: (add-hook 'write-file-hooks 'time-stamp)
 339 # time-stamp-start: "scriptversion="
 340 # time-stamp-format: "%:y-%02m-%02d.%02H"
 341 # time-stamp-time-zone: "UTC"
 342 # time-stamp-end: "; # UTC"
 343 # End: