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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
])