config/compile
21aa7d56
 #! /bin/sh
 # Wrapper for compilers which do not understand '-c -o'.
 
 scriptversion=2012-10-14.11; # UTC
 
987f7a7d
 # Copyright (C) 1999-2014 Free Software Foundation, Inc.
21aa7d56
 # Written by Tom Tromey <tromey@cygnus.com>.
 #
 # 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 <http://www.gnu.org/licenses/>.
 
 # 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 <bug-automake@gnu.org> or send patches to
 # <automake-patches@gnu.org>.
 
 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 <bug-automake@gnu.org>.
 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: