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dnl config-subdirs.m4,v 1.6 2002/01/06 20:12:13 joel Exp

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 _AC_DOTS(PATH)

dnl

AC_DEFUN(_AC_DOTS,[

# A "../" for each directory in $1.

    ac_dots=`echo $1 | \

             sed -e 's%^\./%%' -e 's%[[^/]]$%&/%' -e 's%[[^/]]*/%../%g'`

])

dnl

dnl _RTEMS_ADJUST_SRCDIR(REVAR,CONFIG_DIR[,TARGET_SUBDIR])

dnl

AC_DEFUN(_RTEMS_ADJUST_SRCDIR,[

    _AC_DOTS(ifelse([$3], ,[$2],[$3/$2]))

    case "$srcdir" in

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

      $1=$srcdir ;;

    [[\\/]]* | ?:[[\\/]]*) # Absolute path.

      $1=$srcdir/$2 ;;

    *) # Relative path.

      $1=$ac_dots$srcdir/$2 ;;

    esac

])