aclocal.m4

RTEMS (Real-Time Executive for Multiprocessor Systems) is a free open source real-time operating sys

# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.

# serial 5

AC_PREREQ(2.52)

# AM_CONDITIONAL(NAME, SHELL-CONDITION)
# -------------------------------------
# Define a conditional.
AC_DEFUN([AM_CONDITIONAL],
[ifelse([$1], [TRUE],  [AC_FATAL([$0: invalid condition: $1])],
        [$1], [FALSE], [AC_FATAL([$0: invalid condition: $1])])dnl
AC_SUBST([$1_TRUE])
AC_SUBST([$1_FALSE])
if $2; then
  $1_TRUE=
  $1_FALSE='#'
else
  $1_TRUE='#'
  $1_FALSE=
fi
AC_CONFIG_COMMANDS_PRE(
[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
  AC_MSG_ERROR([conditional "$1" was never defined.
Usually this means the macro was only invoked conditionally.])
fi])])

dnl
dnl $Id: canonical-target-name.m4,v 1.12.4.2 2004/08/18 07:23:00 ralf Exp $
dnl

dnl canonicalize target cpu
dnl NOTE: Most rtems targets do not fullfil autoconf's
dnl target naming conventions "processor-vendor-os"
dnl Therefore autoconf's AC_CANONICAL_TARGET will fail for them
dnl and we have to fix it for rtems ourselves 

AC_DEFUN([RTEMS_CANONICAL_TARGET_CPU],
[
AC_CANONICAL_TARGET
AC_MSG_CHECKING(rtems target cpu)
case "${target}" in
  # hpux unix port should go here
  i[[34567]]86-*linux*)		# unix "simulator" port
	RTEMS_CPU=unix
	;;
  i[[34567]]86-*freebsd*) 	# unix "simulator" port
	RTEMS_CPU=unix
	;;
  i[[34567]]86-pc-cygwin*) 	# Cygwin is just enough unix like :)
	RTEMS_CPU=unix
	;;
  no_cpu-*rtems*)
        RTEMS_CPU=no_cpu
	;;
  sparc-sun-solaris*)           # unix "simulator" port
	RTEMS_CPU=unix
	;;
  tic4x-*rtems*)          	# gcc changed the name
	RTEMS_CPU=c4x
	;;
  *) 
	RTEMS_CPU=`echo $target | sed 's%^\([[^-]]*\)-\(.*\)$%\1%'`
	;;
esac
AC_SUBST(RTEMS_CPU)
AC_MSG_RESULT($RTEMS_CPU)
])

# Add --enable-maintainer-mode option to configure.
# From Jim Meyering

# Copyright 1996, 1998, 2000, 2001, 2002  Free Software Foundation, Inc.

# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.

# serial 2

AC_DEFUN([AM_MAINTAINER_MODE],
[AC_MSG_CHECKING([whether to enable maintainer-specific portions of Makefiles])
  dnl maintainer-mode is disabled by default
  AC_ARG_ENABLE(maintainer-mode,
[  --enable-maintainer-mode enable make rules and dependencies not useful
                          (and sometimes confusing) to the casual installer],
      USE_MAINTAINER_MODE=$enableval,
      USE_MAINTAINER_MODE=no)
  AC_MSG_RESULT([$USE_MAINTAINER_MODE])
  AM_CONDITIONAL(MAINTAINER_MODE, [test $USE_MAINTAINER_MODE = yes])
  MAINT=$MAINTAINER_MODE_TRUE
  AC_SUBST(MAINT)dnl
]
)

AU_DEFUN([jm_MAINTAINER_MODE], [AM_MAINTAINER_MODE])

AC_DEFUN([RTEMS_TOOLPATHS],
[
# tooldir='$(exec_prefix)/'$target_alias
# Temporary work-around until building in source tree is supported
AC_REQUIRE([RTEMS_PROJECT_ROOT])

tooldir='$(PROJECT_ROOT)'
AC_SUBST(tooldir)

project_includedir='$(tooldir)'/include
AC_SUBST(project_includedir)

project_libdir='$(tooldir)/lib$(MULTISUBDIR)'
AC_SUBST(project_libdir)

project_bindir='$(tooldir)/bin'
AC_SUBST(project_bindir)

rtems_bspdir='$(prefix)/${RTEMS_BSP}'
AC_SUBST(rtems_bspdir)
rtems_makedir='$(prefix)/make'
AC_SUBST(rtems_makedir)
])

dnl
dnl $Id: project-root.m4,v 1.6.4.1 2004/08/18 07:23:00 ralf Exp $
dnl 

dnl
dnl PROJECT_TOPdir     .. relative path to the top of the build-tree
dnl PROJECT_ROOT       .. relative path to the top of the temporary
dnl                       installation directory inside the build-tree
dnl RTEMS_TOPdir       .. relative path of a subpackage's configure.in to the
dnl                       toplevel configure.in of the source-tree
dnl RTEMS_ROOT         .. path to the top of a bsp's build directory
dnl                       [Applied by custom/*.cfg, depredicated otherwise]
dnl

AC_DEFUN([RTEMS_PROJECT_ROOT],
[dnl
AC_REQUIRE([RTEMS_TOP])

PACKHEX="\$(PROJECT_TOPdir)/tools/build/packhex"
AC_SUBST(PACKHEX)
])


dnl $Id: target.m4,v 1.12.2.2 2004/08/18 07:38:49 ralf Exp $

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
  RTEMS_CONFIGURE_ARGS_QUOTE([ac_sub_configure_args],
    [
    -host* | --host* ) ;;
    --host ) ac_prev=host_alias;;
    -target* | --target* ) ;;
    -target ) ac_prev=target_alias ;;
    -build* | --build* ) ;;
    -build ) ac_prev_build_alias ;;
    *_alias=* ) ;; # HACK: Workaround to autoconf passing *_alias
    ],
    [rtems_configure_args])

  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"
])
])

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
])

dnl RTEMS_CONFIGURE_ARGS_QUOTE(dnl RETURN_VAR, [ADDITIONAL_CASES], [VAR_TO_PROCESS]])
dnl 
AC_DEFUN([_RTEMS_CONFIGURE_ARGS_QUOTE],
[
$1_prune()
{
  # Remove --cache-file and --srcdir arguments so they do not pile up.
  $1=
  ac_prev=
  for ac_arg
  do
    if test -n "$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=*)
      ;;
    --config-cache | -C)
      ;;
    -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
	  ac_prev=srcdir ;;
    -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
      ;;
    m4_if([$2],,,[$2])
    *) $1="$$1 '$ac_arg'" ;;
    esac
  done
  export $1
}
])

AC_DEFUN([RTEMS_CONFIGURE_ARGS_QUOTE],[
m4_expand_once([_RTEMS_CONFIGURE_ARGS_QUOTE([$1],[$2])])
eval $1_prune m4_if([$3],,[$ac_configure_args],[[$]$3])
])

dnl $Id: config-subdirs.m4,v 1.6.4.1 2004/08/18 07:23:00 ralf 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
])

AC_DEFUN([_RTEMS_CPU_SUBDIR],
[
$1 )	if test -d ${srcdir}/ifelse([$2],,[$1],[$2/$1]) ; then
  AC_CONFIG_SUBDIRS(ifelse([$2],,[$1],[$2/$1]))
  fi
])

AC_DEFUN([RTEMS_CPU_SUBDIRS],
[
case $RTEMS_CPU in
_RTEMS_CPU_SUBDIR([a29k],[$1]);;
_RTEMS_CPU_SUBDIR([arm],[$1]);;
_RTEMS_CPU_SUBDIR([c4x],[$1]);;
_RTEMS_CPU_SUBDIR([h8300],[$1]);;
_RTEMS_CPU_SUBDIR([hppa1.1],[$1]);;
_RTEMS_CPU_SUBDIR([i386],[$1]);;
_RTEMS_CPU_SUBDIR([i960],[$1]);;
_RTEMS_CPU_SUBDIR([m68k],[$1]);;
_RTEMS_CPU_SUBDIR([mips],[$1]);;
_RTEMS_CPU_SUBDIR([mips64orion],[$1]);;
_RTEMS_CPU_SUBDIR([no_cpu],[$1]);;
_RTEMS_CPU_SUBDIR([or32],[$1]);;
_RTEMS_CPU_SUBDIR([powerpc],[$1]);;
_RTEMS_CPU_SUBDIR([sh],[$1]);;
_RTEMS_CPU_SUBDIR([sparc],[$1]);;
_RTEMS_CPU_SUBDIR([unix],[$1]);;
*) AC_MSG_ERROR([Invalid RTEMS_CPU <[$]{RTEMS_CPU}>])
esac
])