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dnl $Id: target.m4,v 1.2 2001-09-27 11:59:11 chris Exp $

AC_DEFUN(RTEMS_CONFIG_SUBDIRS,

[

define([RTEMS_TGT_SUBDIRS],

ifdef([RTEMS_TGT_SUBDIRS], [RTEMS_TGT_SUBDIRS ],)[$1])dnl

target_subdirs="RTEMS_TGT_SUBDIRS"

AC_SUBST(target_subdirs)

])

dnl This is a subroutine of AC_OUTPUT.

dnl It is called after running config.status.

dnl AC_OUTPUT_SUBDIRS(DIRECTORY...)

AC_DEFUN(RTEMS_OUTPUT_SUBDIRS,

[

if test "$no_recursion" != yes; then

  if test $target_alias != $host_alias; then

    target_subdir="$target_alias"

  else

    target_subdir="."

  fi

  # Remove --cache-file and --srcdir arguments so they do not pile up.

  ac_sub_configure_args=

  ac_prev=

  for ac_arg in $ac_configure_args; do

    if test -n "$ac_prev"; then

      ac_prev=

      continue

    fi

    case "$ac_arg" in

    -cache-file | --cache-file | --cache-fil | --cache-fi \

    | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)

      ac_prev=cache_file ;;

    -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \

    | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)

      ;;

    -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)

      ac_prev=srcdir ;;

    -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)

      ;;

    *) ac_sub_configure_args="$ac_sub_configure_args $ac_arg" ;;

    esac

  done

  test -d $target_subdir || mkdir $target_subdir

  for ac_config_dir in $1; do

    # Do not complain, so a configure script can configure whichever

    # parts of a large source tree are present.

    if test ! -d $srcdir/$ac_config_dir; then

      continue

    fi

    echo configuring in $target_subdir/$ac_config_dir

    case "$srcdir" in

##    .) ;;

    *)

      if test -d $target_subdir/$ac_config_dir || mkdir $target_subdir/$ac_config_dir; then :;

      else

        AC_MSG_ERROR(can not create `pwd`/$target_subdir/$ac_config_dir)

      fi

      ;;

    esac

    ac_popdir=`pwd`

    cd $target_subdir/$ac_config_dir

changequote(, )dnl

      # A "../" for each directory in /$ac_config_dir.

      ac_dots=`echo $target_subdir/$ac_config_dir|sed -e 's%^\./%%' -e 's%[^/]$%&/%' -e 's%[^/]*/%../%g'`

changequote([, ])dnl

    case "$srcdir" in

##    .) # No --srcdir option.  We are building in place.

##      ac_sub_srcdir=$srcdir ;;

    /*) # Absolute path.

      ac_sub_srcdir=$srcdir/$ac_config_dir ;;

    *) # Relative path.

      ac_sub_srcdir=$ac_dots$srcdir/$ac_config_dir ;;

    esac

    # Check for guested configure; otherwise get Cygnus style configure.

    if test -f $ac_sub_srcdir/configure; then

      ac_sub_configure=$ac_sub_srcdir/configure

    elif test -f $ac_sub_srcdir/configure.in; then

      ac_sub_configure=$ac_configure

    else

      AC_MSG_WARN(no configuration information is in $ac_config_dir)

      ac_sub_configure=

    fi

    # The recursion is here.

    if test -n "$ac_sub_configure"; then

      # Make the cache file name correct relative to the subdirectory.

      if test "$target_alias" != "$host_alias"; then

      ac_sub_cache_file=$cache_file

      else

      case "$cache_file" in

      /*) ac_sub_cache_file=$cache_file ;;

      *) # Relative path.

        ac_sub_cache_file="$ac_dots$cache_file" ;;

      esac

      fi

ifdef([AC_PROVIDE_AC_PROG_INSTALL],

      [  case "$ac_given_INSTALL" in

changequote(, )dnl

        [/$]*) INSTALL="$ac_given_INSTALL" ;;

changequote([, ])dnl

        *) INSTALL="$ac_dots$ac_given_INSTALL" ;;

        esac

])dnl

      echo "[running ${CONFIG_SHELL-/bin/sh} $ac_sub_configure $ac_sub_configure_args --cache-file=$ac_sub_cache_file] --srcdir=$ac_sub_srcdir"

      # The eval makes quoting arguments work.

      if eval ${CONFIG_SHELL-/bin/sh} $ac_sub_configure \

        $ac_sub_configure_args --srcdir=$ac_sub_srcdir \

        --with-target-subdir=$target_subdir --cache-file=$ac_sub_cache_file

      then :

      else

        AC_MSG_ERROR($ac_sub_configure failed for $ac_config_dir)

      fi

    fi

    cd $ac_popdir

  done

fi

])