external/bsd/libevent/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) 1999-2012 Free Software Foundation, Inc.
   7 # Written by Tom Tromey <tromey@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@gnu.org> or send patches to
  29 # <automake-patches@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: