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dnl target.m4,v 1.9 2002/01/06 20:12:13 joel Exp

## HACK: Work-around to structural issue with RTEMS

## The macros below violate most autoconf and canonicalization standards

AC_DEFUN(RTEMS_CONFIG_BUILD_SUBDIRS,

[AC_REQUIRE([_RTEMS_OUTPUT_BUILD_SUBDIRS])

RTEMS_BUILD_SUBDIRS="$RTEMS_BUILD_SUBDIRS [$1]"

])

dnl Derived from automake-1.4's AC_OUTPUT_SUBDIRS

AC_DEFUN([_RTEMS_OUTPUT_BUILD_SUBDIRS],

[AC_CONFIG_COMMANDS([bsp-tools],

[

# HACK: This is a blantant hack and breaks Canadian crosses

build_alias="$build_alias"

host_alias="$build_alias"

if test "$no_recursion" != yes; then

  if test x"$build_alias" != x"$host_alias"; then

    target_subdir="$host_alias"

  else

    target_subdir="."

  fi

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

  ac_sub_configure_args=

  rtems_prev=

  for rtems_arg in $rtems_configure_args; do

    if test -n "$rtems_prev"; then

      rtems_prev=

      continue

    fi

    case "$rtems_arg" in

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

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

      rtems_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)

      rtems_prev=srcdir ;;

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

      ;;

    --target*) ;;

    --build*) ;;

    --host*) ;;

    *_alias* ) ;; # HACK: Workaround to autoconf passing *_alias

    *) ac_sub_configure_args="$ac_sub_configure_args $rtems_arg" ;;

    esac

  done

  for rtems_config_dir in $RTEMS_BUILD_SUBDIRS; do

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

    # parts of a large source tree are present.

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

      continue

    fi

    _RTEMS_PUSH_BUILDDIR([$rtems_config_dir])

    _RTEMS_SUB_SRCDIR([$rtems_config_dir])

    # The recursion is here.

    if test -n "$ac_sub_configure"; then

#      ac_sub_cache_file=./config.cache

      ac_sub_cache_file=/dev/null

      _RTEMS_GIVEN_INSTALL

      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 $rtems_config_dir])

      fi

    fi

    _RTEMS_POP_BUILDDIR

  done

fi],

[

RTEMS_BUILD_SUBDIRS="$RTEMS_BUILD_SUBDIRS"

rtems_configure_args="$ac_configure_args"

])

])

## FIXME: This is obsolete. Only kept for backward compatibility

AU_DEFUN([RTEMS_OUTPUT_BUILD_SUBDIRS],[])

dnl

dnl Misc utility macros for subdir handling to work around missing abilities

dnl in autoconf, automake and structural issues with RTEMS

dnl

dnl Contains parts derived from autoconf-2.13 AC_OUTPUT_SUBDIRS and Cygnus'

dnl configure.in.

dnl

dnl

dnl _RTEMS_PUSH_BUILDDIR(SUBDIR)

dnl

AC_DEFUN(_RTEMS_PUSH_BUILDDIR,

[

# _RTEMS_PUSH_BUILDDIR

    echo configuring in $1

    case "$srcdir" in

    .) ;;

    *) AS_MKDIR_P([$1])

      ;;

    esac

    ac_popdir=`pwd`

    cd $1

])

dnl

dnl _RTEMS_POP_BUILDDIR

dnl

AC_DEFUN(_RTEMS_POP_BUILDDIR,

[

  cd $ac_popdir

])

dnl

dnl _RTEMS_GIVEN_INSTALL

dnl

AC_DEFUN(_RTEMS_GIVEN_INSTALL,

[

ifdef([AC_PROVIDE_AC_PROG_INSTALL],[

  case "$ac_given_INSTALL" in

  [[\\/]]* | ?:[[\\/]]*) INSTALL="$ac_given_INSTALL" ;;

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

  esac

])dnl

])

dnl

dnl _RTEMS_SUB_SRCDIR(AC_CONFIG_DIR[,TARGET_SUBDIR])

dnl

AC_DEFUN(_RTEMS_SUB_SRCDIR,[

# _RTEMS_SUB_SRCDIR

    _RTEMS_ADJUST_SRCDIR(ac_sub_srcdir,$1,$2)

    # Check for configure

    if test -f $ac_sub_srcdir/configure; then

      ac_sub_configure=$ac_sub_srcdir/configure

    else

      AC_MSG_WARN([no configuration information is in $1])

      ac_sub_configure=

    fi

])