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# Copyright (c) 1995, 1996 Cygnus Support

#

# The authors hereby grant permission to use, copy, modify, distribute,

# and license this software and its documentation for any purpose, provided

# that existing copyright notices are retained in all copies and that this

# notice is included verbatim in any distributions. No written agreement,

# license, or royalty fee is required for any of the authorized uses.

# Modifications to this software may be copyrighted by their authors

# and need not follow the licensing terms described here, provided that

# the new terms are clearly indicated on the first page of each file where

# they apply.

#

# Process this file with autoconf to produce a configure script.

#

AC_PREREQ(2.5)dnl

AC_INIT(crt0.S)

if test "${enable_shared}" = "yes" ; then

    echo "Shared libraries not supported for cross compiling, ignored"

fi

if test "$srcdir" = "." ; then

  if test "${with_target_subdir}" != "." ; then

    libgloss_topdir="${srcdir}/${with_multisrctop}../../.."

  else

    libgloss_topdir="${srcdir}/${with_multisrctop}../.."

  fi

else

  libgloss_topdir="${srcdir}/../.."

fi

AC_CONFIG_AUX_DIR($libgloss_topdir)

AC_CANONICAL_SYSTEM

AC_ARG_PROGRAM

AC_PROG_INSTALL

# FIXME: We temporarily define our own version of AC_PROG_CC.  This is

# copied from autoconf 2.12, but does not call AC_PROG_CC_WORKS.  We

# are building a library that must be included in all links, so we

# can't link an executable until this lib is built.

# autoconf should provide a way to do this.

AC_DEFUN(LIB_AC_PROG_CC,

[AC_BEFORE([$0], [AC_PROG_CPP])dnl

AC_CHECK_PROG(CC, gcc, gcc)

if test -z "$CC"; then

  AC_CHECK_PROG(CC, cc, cc, , , /usr/ucb/cc)

  test -z "$CC" && AC_MSG_ERROR([no acceptable cc found in \$PATH])

fi

AC_PROG_CC_GNU

if test $ac_cv_prog_gcc = yes; then

  GCC=yes

dnl Check whether -g works, even if CFLAGS is set, in case the package

dnl plays around with CFLAGS (such as to build both debugging and

dnl normal versions of a library), tasteless as that idea is.

  ac_test_CFLAGS="${CFLAGS+set}"

  ac_save_CFLAGS="$CFLAGS"

  CFLAGS=

  AC_PROG_CC_G

  if test "$ac_test_CFLAGS" = set; then

    CFLAGS="$ac_save_CFLAGS"

  elif test $ac_cv_prog_cc_g = yes; then

    CFLAGS="-g -O2"

  else

    CFLAGS="-O2"

  fi

else

  GCC=

  test "${CFLAGS+set}" = set || CFLAGS="-g"

fi

])

LIB_AC_PROG_CC

AS=${AS-as}

AC_SUBST(AS)

AR=${AR-ar}

AC_SUBST(AR)

LD=${LD-ld}

AC_SUBST(LD)

AC_PROG_RANLIB

case "${target}" in

  *)

        part_specific_obj=vr4300.o

        ;;

esac

host_makefile_frag=${srcdir}/../config/default.mh

target_makefile_frag=${srcdir}/../config/mn10300.mt

dnl We have to assign the same value to other variables because autoconf

dnl doesn't provide a mechanism to substitute a replacement keyword with

dnl arbitrary data or pathnames.

dnl

host_makefile_frag_path=$host_makefile_frag

AC_SUBST(host_makefile_frag_path)

AC_SUBST_FILE(host_makefile_frag)

target_makefile_frag_path=$target_makefile_frag

AC_SUBST(target_makefile_frag_path)

AC_SUBST_FILE(target_makefile_frag)

AC_SUBST(part_specific_obj)

AC_OUTPUT(Makefile,

. ${libgloss_topdir}/config-ml.in,

srcdir=${srcdir}

target=${target}

ac_configure_args="${ac_configure_args} --enable-multilib"

CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}

libgloss_topdir=${libgloss_topdir}

)