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

AC_PREREQ(2.59)

AC_INIT(redboot-crt0.S)

dnl Support --disable-newlib-supplied-syscalls

AC_ARG_ENABLE(newlib-supplied-syscalls,

[  --disable-newlib-supplied-syscalls disable newlib from supplying syscalls],

[case "${enableval}" in

  yes) newlib_may_supply_syscalls=yes ;;

  no)  newlib_may_supply_syscalls=no ;;

  *)   AC_MSG_ERROR(bad value ${enableval} for newlib-supplied-syscalls option) ;;

 esac], [newlib_may_supply_syscalls=yes])dnl

if test "x$newlib_may_supply_syscalls" = "xyes"; then

  BUILD_CRT0_TRUE='#'

  BUILD_CRT0_FALSE=

else

  BUILD_CRT0_TRUE=

  BUILD_CRT0_FALSE='#'

fi

AC_SUBST(BUILD_CRT0_TRUE)

AC_SUBST(BUILD_CRT0_FALSE)

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

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

LIB_AM_PROG_AS

case "${target}" in

  *-*-elf | *-*-eabi)

        objtype=elf-

        ;;

  *-*-coff)

        objtype=coff-

        ;;

esac

AC_SUBST(objtype)

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

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)

AC_CONFIG_FILES(Makefile,

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

srcdir=${srcdir}

target=${target}

with_multisubdir=${with_multisubdir}

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

CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}

libgloss_topdir=${libgloss_topdir}

)

AC_OUTPUT