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#! /bin/sh

# Wrapper for compilers which do not understand '-c -o'.

scriptversion=2012-10-14.11; # UTC

# Copyright (C) 1999-2013 Free Software Foundation, Inc.

# Written by Tom Tromey .

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2, or (at your option)

# any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see .

# As a special exception to the GNU General Public License, if you

# distribute this file as part of a program that contains a

# configuration script generated by Autoconf, you may include it under

# the same distribution terms that you use for the rest of that program.

# This file is maintained in Automake, please report

# bugs to  or send patches to

# .

nl='

'

# We need space, tab and new line, in precisely that order.  Quoting is

# there to prevent tools from complaining about whitespace usage.

IFS=" ""	$nl"

file_conv=

# func_file_conv build_file lazy

# Convert a $build file to $host form and store it in $file

# Currently only supports Windows hosts. If the determined conversion

# type is listed in (the comma separated) LAZY, no conversion will

# take place.

func_file_conv ()

{

  file=$1

  case $file in

    / | /[!/]*) # absolute file, and not a UNC file

      if test -z "$file_conv"; then

	# lazily determine how to convert abs files

	case `uname -s` in

	  MINGW*)

	    file_conv=mingw

	    ;;

	  CYGWIN*)

	    file_conv=cygwin

	    ;;

	  *)

	    file_conv=wine

	    ;;

	esac

      fi

      case $file_conv/,$2, in

	*,$file_conv,*)

	  ;;

	mingw/*)

	  file=`cmd //C echo "$file " | sed -e 's/"\(.*\) " *$/\1/'`

	  ;;

	cygwin/*)

	  file=`cygpath -m "$file" || echo "$file"`

	  ;;

	wine/*)

	  file=`winepath -w "$file" || echo "$file"`

	  ;;

      esac

      ;;

  esac

}

# func_cl_dashL linkdir

# Make cl look for libraries in LINKDIR

func_cl_dashL ()

{

  func_file_conv "$1"

  if test -z "$lib_path"; then

    lib_path=$file

  else

    lib_path="$lib_path;$file"

  fi

  linker_opts="$linker_opts -LIBPATH:$file"

}

# func_cl_dashl library

# Do a library search-path lookup for cl

func_cl_dashl ()

{

  lib=$1

  found=no

  save_IFS=$IFS

  IFS=';'

  for dir in $lib_path $LIB

  do

    IFS=$save_IFS

    if $shared && test -f "$dir/$lib.dll.lib"; then

      found=yes

      lib=$dir/$lib.dll.lib

      break

    fi

    if test -f "$dir/$lib.lib"; then

      found=yes

      lib=$dir/$lib.lib

      break

    fi

    if test -f "$dir/lib$lib.a"; then

      found=yes

      lib=$dir/lib$lib.a

      break

    fi

  done

  IFS=$save_IFS

  if test "$found" != yes; then

    lib=$lib.lib

  fi

}

# func_cl_wrapper cl arg...

# Adjust compile command to suit cl

func_cl_wrapper ()

{

  # Assume a capable shell

  lib_path=

  shared=:

  linker_opts=

  for arg

  do

    if test -n "$eat"; then

      eat=

    else

      case $1 in

	-o)

	  # configure might choose to run compile as 'compile cc -o foo foo.c'.

	  eat=1

	  case $2 in

	    *.o | *.[oO][bB][jJ])

	      func_file_conv "$2"

	      set x "$@" -Fo"$file"

	      shift

	      ;;

	    *)

	      func_file_conv "$2"

	      set x "$@" -Fe"$file"

	      shift

	      ;;

	  esac

	  ;;

	-I)

	  eat=1

	  func_file_conv "$2" mingw

	  set x "$@" -I"$file"

	  shift

	  ;;

	-I*)

	  func_file_conv "${1#-I}" mingw

	  set x "$@" -I"$file"

	  shift

	  ;;

	-l)

	  eat=1

	  func_cl_dashl "$2"

	  set x "$@" "$lib"

	  shift

	  ;;

	-l*)

	  func_cl_dashl "${1#-l}"

	  set x "$@" "$lib"

	  shift

	  ;;

	-L)

	  eat=1

	  func_cl_dashL "$2"

	  ;;

	-L*)

	  func_cl_dashL "${1#-L}"

	  ;;

	-static)

	  shared=false

	  ;;

	-Wl,*)

	  arg=${1#-Wl,}

	  save_ifs="$IFS"; IFS=','

	  for flag in $arg; do

	    IFS="$save_ifs"

	    linker_opts="$linker_opts $flag"

	  done

	  IFS="$save_ifs"

	  ;;

	-Xlinker)

	  eat=1

	  linker_opts="$linker_opts $2"

	  ;;

	-*)

	  set x "$@" "$1"

	  shift

	  ;;

	*.cc | *.CC | *.cxx | *.CXX | *.[cC]++)

	  func_file_conv "$1"

	  set x "$@" -Tp"$file"

	  shift

	  ;;

	*.c | *.cpp | *.CPP | *.lib | *.LIB | *.Lib | *.OBJ | *.obj | *.[oO])

	  func_file_conv "$1" mingw

	  set x "$@" "$file"

	  shift

	  ;;

	*)

	  set x "$@" "$1"

	  shift

	  ;;

      esac

    fi

    shift

  done

  if test -n "$linker_opts"; then

    linker_opts="-link$linker_opts"

  fi

  exec "$@" $linker_opts

  exit 1

}

eat=

case $1 in

  '')

     echo "$0: No command.  Try '$0 --help' for more information." 1>&2

     exit 1;

     ;;

  -h | --h*)

    cat <<\EOF

Usage: compile [--help] [--version] PROGRAM [ARGS]

Wrapper for compilers which do not understand '-c -o'.

Remove '-o dest.o' from ARGS, run PROGRAM with the remaining

arguments, and rename the output as expected.

If you are trying to build a whole package this is not the

right script to run: please start by reading the file 'INSTALL'.

Report bugs to .

EOF

    exit $?

    ;;

  -v | --v*)

    echo "compile $scriptversion"

    exit $?

    ;;

  cl | *[/\\]cl | cl.exe | *[/\\]cl.exe )

    func_cl_wrapper "$@"      # Doesn't return...

    ;;

esac

ofile=

cfile=

for arg

do

  if test -n "$eat"; then

    eat=

  else

    case $1 in

      -o)

	# configure might choose to run compile as 'compile cc -o foo foo.c'.

	# So we strip '-o arg' only if arg is an object.

	eat=1

	case $2 in

	  *.o | *.obj)

	    ofile=$2

	    ;;

	  *)

	    set x "$@" -o "$2"

	    shift

	    ;;

	esac

	;;

      *.c)

	cfile=$1

	set x "$@" "$1"

	shift

	;;

      *)

	set x "$@" "$1"

	shift

	;;

    esac

  fi

  shift

done

if test -z "$ofile" || test -z "$cfile"; then

  # If no '-o' option was seen then we might have been invoked from a

  # pattern rule where we don't need one.  That is ok -- this is a

  # normal compilation that the losing compiler can handle.  If no

  # '.c' file was seen then we are probably linking.  That is also

  # ok.

  exec "$@"

fi

# Name of file we expect compiler to create.

cofile=`echo "$cfile" | sed 's|^.*[\\/]||; s|^[a-zA-Z]:||; s/\.c$/.o/'`

# Create the lock directory.

# Note: use '[/\\:.-]' here to ensure that we don't use the same name

# that we are using for the .o file.  Also, base the name on the expected

# object file name, since that is what matters with a parallel build.

lockdir=`echo "$cofile" | sed -e 's|[/\\:.-]|_|g'`.d

while true; do

  if mkdir "$lockdir" >/dev/null 2>&1; then

    break

  fi

  sleep 1

done

# FIXME: race condition here if user kills between mkdir and trap.

trap "rmdir '$lockdir'; exit 1" 1 2 15

# Run the compile.

"$@"

ret=$?

if test -f "$cofile"; then

  test "$cofile" = "$ofile" || mv "$cofile" "$ofile"

elif test -f "${cofile}bj"; then

  test "${cofile}bj" = "$ofile" || mv "${cofile}bj" "$ofile"

fi

rmdir "$lockdir"

exit $ret

# Local Variables:

# mode: shell-script

# sh-indentation: 2

# eval: (add-hook 'write-file-hooks 'time-stamp)

# time-stamp-start: "scriptversion="

# time-stamp-format: "%:y-%02m-%02d.%02H"

# time-stamp-time-zone: "UTC"

# time-stamp-end: "; # UTC"

# End: