aclocal.m4

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

])

dnl $Id: env-rtemsbsp.m4,v 1.10.2.1 2004/08/18 07:23:00 ralf Exp $

dnl Pass a single BSP via an environment variable
dnl used by per BSP configure scripts
AC_DEFUN([RTEMS_ENV_RTEMSBSP],
[dnl
AC_BEFORE([$0], [RTEMS_ENABLE_RTEMSBSP])dnl
AC_BEFORE([$0], [RTEMS_PROJECT_ROOT])dnl
AC_BEFORE([$0], [RTEMS_CHECK_CUSTOM_BSP])dnl

AC_ARG_VAR([CPU_CFLAGS],[CFLAGS specifying CPU-dependent features])
AC_ARG_VAR([CFLAGS_OPTIMIZE_V],[CFLAGS for building the OPTIMIZE variant])
AC_ARG_VAR([CFLAGS_DEBUG_V],[CFLAGS for building the DEBUG variant])
AC_ARG_VAR([CFLAGS_PROFILE_V],[CFLAGS for building the PROFILE variant])
AC_ARG_VAR([RTEMS_BSP_FAMILY],[RTEMS's BSP directory])
AC_ARG_VAR([RTEMS_CPU_MODEL],[RTEMS's cpu model])

AC_ARG_VAR([RTEMS_BSP],[RTEMS_BSP to build])
AC_MSG_CHECKING([for RTEMS_BSP])
AC_CACHE_VAL(rtems_cv_RTEMS_BSP,
[dnl
  test -n "${RTEMS_BSP}" && rtems_cv_RTEMS_BSP="$RTEMS_BSP";
])dnl
if test -z "$rtems_cv_RTEMS_BSP"; then
  AC_MSG_ERROR([Missing RTEMS_BSP])
fi
RTEMS_BSP="$rtems_cv_RTEMS_BSP"
AC_MSG_RESULT(${RTEMS_BSP})
AC_SUBST(RTEMS_BSP)

RTEMS_BSP_SPECS="-specs bsp_specs -qrtems"
AC_SUBST(RTEMS_BSP_SPECS)

GCC_SPECS="-B\$(PROJECT_ROOT)/lib/ -B\$(PROJECT_ROOT)/$RTEMS_BSP/lib/"
AC_SUBST(GCC_SPECS)

PROJECT_INCLUDE="\$(PROJECT_ROOT)/$RTEMS_BSP/lib/include"
AC_SUBST(PROJECT_INCLUDE)

PROJECT_RELEASE="\$(PROJECT_ROOT)/$RTEMS_BSP"   
AC_SUBST(PROJECT_RELEASE)

RTEMS_ROOT="\$(PROJECT_ROOT)/c/$RTEMS_BSP"
AC_SUBST(RTEMS_ROOT)

RTEMS_ENABLE_BARE
AC_SUBST(BARE_CPU_MODEL)
AC_SUBST(BARE_CPU_CFLAGS)

AM_CONDITIONAL([MULTILIB],[false])

includedir="\${exec_prefix}/${RTEMS_BSP}/lib/include"
libdir="\${exec_prefix}/${RTEMS_BSP}/lib"

bsplibdir="\${exec_prefix}/${RTEMS_BSP}/lib"
AC_SUBST(bsplibdir)
])

dnl $Id: enable-rtemsbsp.m4,v 1.12.2.1 2004/08/18 07:23:00 ralf Exp $

dnl Override the set of BSPs to be built.
dnl used by the toplevel configure script
dnl RTEMS_ENABLE_RTEMSBSP(rtems_bsp_list)
AC_DEFUN([RTEMS_ENABLE_RTEMSBSP],
[
AC_BEFORE([$0], [RTEMS_ENV_RTEMSBSP])
AC_ARG_ENABLE(rtemsbsp,
[AC_HELP_STRING([--enable-rtemsbsp="bsp1 bsp2 .."],
[BSPs to include in build])],
[case "${enableval}" in
  yes|no) AC_MSG_ERROR([missing argument to --enable-rtemsbsp="bsp1 bsp2"]);;
  *) $1=$enableval;;
esac],[$1=""])
])

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: check-custom-bsp.m4,v 1.1.2.1 2004/08/18 07:23:00 ralf Exp $

AC_DEFUN([RTEMS_CHECK_CUSTOM_BSP],[
AC_REQUIRE([RTEMS_TOP])

AC_MSG_CHECKING([for make/custom/[$]$1.cfg])
AS_IF([test -r "$srcdir/$RTEMS_TOPdir/make/custom/[$]$1.cfg"],
  [AC_MSG_RESULT([yes])],
  [AC_MSG_ERROR([no])])
])

dnl $Id: check-cpu.m4,v 1.6.2.1 2004/08/18 07:23:00 ralf Exp $

dnl check if RTEMS support a cpu
AC_DEFUN([RTEMS_CHECK_CPU],
[dnl
AC_REQUIRE([RTEMS_TOP])
AC_REQUIRE([RTEMS_CANONICAL_TARGET_CPU])

# Is this a supported CPU?
AC_MSG_CHECKING([if cpu $RTEMS_CPU is supported])
# FIXME: Temporary hack
if test -d "$srcdir/$RTEMS_TOPdir/cpukit/score/cpu/$RTEMS_CPU"; then
  AC_MSG_RESULT(yes)
else
  AC_MSG_ERROR(no)
fi
])dnl


dnl $Id: canonical-host.m4,v 1.6.6.1 2004/08/18 07:23:00 ralf Exp $

AC_DEFUN([RTEMS_CANONICAL_HOST],
[dnl
AC_REQUIRE([AC_CANONICAL_HOST])
RTEMS_HOST=$host_os
case "${target}" in
  # hpux unix port should go here
  i[[34567]]86-*linux*)          # unix "simulator" port
        RTEMS_HOST=Linux
	;;
  i[[34567]]86-*freebsd*)         # unix "simulator" port
        RTEMS_HOST=FreeBSD
	;;
  i[[34567]]86-pc-cygwin*) 	# Cygwin is just enough unix like :)
        RTEMS_HOST=Cygwin
	;;
  sparc-sun-solaris*)           # unix "simulator" port
        RTEMS_HOST=Solaris
	;;
  *) 
	;;
esac
AC_SUBST(RTEMS_HOST)
])dnl

dnl
dnl $Id: check-multiprocessing.m4,v 1.11.4.1 2004/08/18 07:23:00 ralf Exp $
dnl

AC_DEFUN([RTEMS_CHECK_MULTIPROCESSING],
[dnl
AC_REQUIRE([RTEMS_ENABLE_MULTILIB])dnl
AC_REQUIRE([RTEMS_ENV_RTEMSBSP])dnl
AC_REQUIRE([RTEMS_TOP])dnl
AC_REQUIRE([RTEMS_CHECK_CPU])dnl
AC_REQUIRE([RTEMS_ENABLE_MULTIPROCESSING])dnl
AC_REQUIRE([RTEMS_BSP_ALIAS])dnl

AC_CACHE_CHECK([if wanting multiprocessing],
  [rtems_cv_want_multiprocessing],
  [
    AS_IF([test x"$multilib" = x"no"],
      [# no cpukit
       rtems_cv_want_multiprocessing="$enable_multiprocessing"
      ],[
#HACK: Should check for RTEMS_MULTIPROCESSING in cpuopts.h, instead
       rtems_cv_want_multiprocessing="$enable_multiprocessing"
      ])
  ])

AS_IF([test "$rtems_cv_want_multiprocessing" = "yes"],
[
  AC_CACHE_CHECK([whether BSP supports multiprocessing],
  [rtems_cv_HAS_MP],[
    if test -d "$srcdir/${RTEMS_TOPdir}/c/src/lib/libbsp/${RTEMS_CPU}/${RTEMS_BSP_FAMILY}/shmsupp"; then
        rtems_cv_HAS_MP="yes" ;
    else
        rtems_cv_HAS_MP="no";
    fi
  ])
if test $rtems_cv_HAS_MP = "no"; then
AC_MSG_ERROR([multiprocessing requested but not supported])
fi
],[rtems_cv_HAS_MP="no";])

AC_SUBST(HAS_MP,[$rtems_cv_HAS_MP])
])

dnl This provides configure definitions used for multilib support

dnl parts of these macros are derived from newlib-1.8.2's multilib support

AC_DEFUN([RTEMS_ENABLE_MULTILIB],
[
AC_ARG_ENABLE(multilib,
AC_HELP_STRING([--enable-multilib],
[build many library versions (default=no)]),
[case "${enableval}" in
  yes) multilib=yes ;;
  no)  multilib=no ;;
  *)   AC_MSG_ERROR(bad value ${enableval} for multilib option) ;;
 esac], [multilib=no])dnl

AM_CONDITIONAL(MULTILIB,test x"${multilib}" = x"yes")
])

dnl $Id: enable-multiprocessing.m4,v 1.6.2.1 2004/08/18 07:23:00 ralf Exp $

AC_DEFUN([RTEMS_ENABLE_MULTIPROCESSING],
[
AC_ARG_ENABLE(multiprocessing,
[AC_HELP_STRING([--enable-multiprocessing],
[enable multiprocessing interface])],
[case "${enable_multiprocessing}" in 
  yes) ;;
  no) ;;
  *)  AC_MSG_ERROR(bad value ${enableval} for enable-multiprocessing option) ;;
esac],[enable_multiprocessing=no])
])

dnl
dnl  $Id: bsp-alias.m4,v 1.16.2.3 2005/10/05 19:31:20 joel Exp $
dnl 

dnl _RTEMS_BSP_ALIAS(BSP_ALIAS,RTEMS_BSP_FAMILY)
dnl Internal subroutine to RTEMS_BSP_ALIAS
AC_DEFUN([_RTEMS_BSP_ALIAS],
[# account for "aliased" bsps which share source code
  case $1 in
    simcpu32)     $2=sim68000         ;; # BSVC CPU32 variant
    c3xsim)       $2=c4xsim           ;; # TI C3x Simulator in gdb
    mcp750)       $2=motorola_powerpc ;; # Motorola PPC board variant
    mvme2100)     $2=motorola_powerpc ;; # Motorola PPC board variant
    mvme2307)     $2=motorola_powerpc ;; # Motorola PPC board variant
    mtx603e)      $2=motorola_powerpc ;; # Motorola PPC board variant
    mvme162lx)    $2=mvme162          ;; # m68k - mvme162 board variant
    gen68360_040) $2=gen68360         ;; # m68k - 68360 in companion mode
    p4600)        $2=p4000            ;; # mips64orion - p4000 board w/IDT 4600
    p4650)        $2=p4000            ;; # mips64orion - p4000 board w/IDT 4650
    mbx8*)        $2=mbx8xx           ;; # MBX821/MBX860 board
    pc386dx)      $2=pc386            ;; # i386 - PC w/o FPU
    pc486)        $2=pc386            ;; # i386 - PC with i486DX
    pc586)        $2=pc386            ;; # i386 - PC with Pentium
    pc686)        $2=pc386            ;; # i386 - PC with PentiumPro
    pck6)         $2=pc386            ;; # i386 - PC with K6
    bare*)        $2=bare             ;; # EXP: bare-aliases
    sis)     	  $2=erc32            ;; # ERC32 SIS simulator
    leon2)     	  $2=leon2            ;; # leon with fpu
    leon3)     	  $2=leon3            ;; # another leon variant
    simsh7032)    $2=shsim            ;; # SH7032 simulator
    simsh7045)    $2=shsim            ;; # SH7045 simulator
    *)            $2=$1;;
  esac]
)

dnl RTEMS_BSP_ALIAS(BSP_ALIAS,RTEMS_BSP_FAMILY)
dnl convert a bsp alias $1 into its bsp directory RTEMS_BSP_FAMILY
AC_DEFUN([RTEMS_BSP_ALIAS],
[_RTEMS_BSP_ALIAS(m4_if([$1],,[$RTEMS_BSP],[$1]),
  m4_if([$2],,[RTEMS_BSP_FAMILY],[$2]))]
)

dnl $Id: check-posix.m4,v 1.8.4.1 2004/08/18 07:23:00 ralf Exp $
dnl
AC_DEFUN([RTEMS_CHECK_POSIX_API],
[dnl
AC_REQUIRE([RTEMS_CHECK_CPU])dnl
AC_REQUIRE([RTEMS_ENABLE_POSIX])dnl

AC_CACHE_CHECK([whether CPU supports libposix],
  rtems_cv_HAS_POSIX_API,
  [dnl
    case "$RTEMS_CPU" in
    unix*)
      rtems_cv_HAS_POSIX_API="no"
      ;;
    *)
      if test "${RTEMS_HAS_POSIX_API}" = "yes"; then
        rtems_cv_HAS_POSIX_API="yes";
      else
        rtems_cv_HAS_POSIX_API="disabled";
      fi
      ;;
    esac])
if test "$rtems_cv_HAS_POSIX_API" = "yes"; then
  HAS_POSIX_API="yes";
else
  HAS_POSIX_API="no";
fi
AC_SUBST(HAS_POSIX_API)dnl
])

AC_DEFUN([RTEMS_DEFINE_POSIX_API],
[AC_REQUIRE([RTEMS_CHECK_POSIX_API])dnl
AS_IF(
  [test x"${HAS_POSIX_API}" = x"yes"],
  [AC_DEFINE_UNQUOTED(RTEMS_POSIX_API,1,[if posix api is supported])])
])

dnl $Id: check-itron.m4,v 1.4.6.1 2004/08/18 07:23:00 ralf Exp $
dnl
AC_DEFUN([RTEMS_CHECK_ITRON_API],
[dnl
AC_REQUIRE([RTEMS_CHECK_CPU])dnl
AC_REQUIRE([RTEMS_ENABLE_ITRON])dnl

AC_CACHE_CHECK([whether CPU supports libitron],
  rtems_cv_HAS_ITRON_API,
  [dnl
    case "$RTEMS_CPU" in
    unix*)
      rtems_cv_HAS_ITRON_API="no"
      ;;
    *)
      if test "${RTEMS_HAS_ITRON_API}" = "yes"; then
        rtems_cv_HAS_ITRON_API="yes";
      else
        rtems_cv_HAS_ITRON_API="disabled";
      fi
      ;;
    esac])
if test "$rtems_cv_HAS_ITRON_API" = "yes"; then
  HAS_ITRON_API="yes";
else
  HAS_ITRON_API="no";
fi
AC_SUBST(HAS_ITRON_API)dnl
])

AC_DEFUN([RTEMS_DEFINE_ITRON_API],
[AC_REQUIRE([RTEMS_CHECK_ITRON_API])dnl
if test x"${HAS_ITRON_API}" = x"yes";
then
  AC_DEFINE_UNQUOTED(RTEMS_ITRON_API,1,[if itron api is supported])
fi
])