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dnl This is the newlib configure.in file.

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

AC_PREREQ(2.5)

AC_INIT(libc)

dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake.

AC_CONFIG_AUX_DIR(..)

NEWLIB_CONFIGURE(.)

dnl We have to enable libtool after NEWLIB_CONFIGURE because if we try and

dnl add it into NEWLIB_CONFIGURE, executable tests are made before the first

dnl line of the macro which fail because appropriate LDFLAGS are not set.

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

AC_LIBTOOL_WIN32_DLL

AM_PROG_LIBTOOL

AC_PROG_AWK

fi

configdirs="libc libm"

AC_ARG_ENABLE(newlib_hw_fp,

[  --enable-newlib-hw-fp    Turn on hardware floating point math],

[case "${enableval}" in

   yes) newlib_hw_fp=true ;;

   no)  newlib_hw_fp=false ;;

   *) AC_MSG_ERROR(bad value ${enableval} for --enable-newlib-hw-fp) ;;

 esac],[newlib_hw_fp=false])

AM_CONDITIONAL(NEWLIB_HW_FP, test x$newlib_hw_fp = xtrue)

if test -z "${with_multisubdir}"; then

  configdirs="${configdirs} doc"

  have_doc=yes

else

  have_doc=

fi

AM_CONDITIONAL(HAVE_DOC, test x$have_doc = xyes)

AC_CONFIG_SUBDIRS(${configdirs})

CRT0=

CRT0_DIR=

if test -n "${sys_dir}"; then

  CRT0=crt0.o

  CRT0_DIR=libc

fi

AC_SUBST(CRT0)

AC_SUBST(CRT0_DIR)

if test -n "${libm_machine_dir}"; then

  LIBM_MACHINE_OBJECTLIST=libm/machine/${libm_machine_dir}/objectlist.awk.in

fi

AC_SUBST(LIBM_MACHINE_OBJECTLIST)

if test -n "${machine_dir}"; then

  MACHINE_OBJECTLIST=libc/machine/${machine_dir}/objectlist.awk.in

fi

AC_SUBST(MACHINE_OBJECTLIST)

if test -n "${sys_dir}"; then

  SYS_OBJECTLIST=libc/sys/${sys_dir}/objectlist.awk.in

fi

AC_SUBST(SYS_OBJECTLIST)

if test -n "${posix_dir}"; then

  POSIX_OBJECTLIST=libc/${posix_dir}/objectlist.awk.in

fi

AC_SUBST(POSIX_OBJECTLIST)

if test -n "${signal_dir}"; then

  SIGNAL_OBJECTLIST=libc/${signal_dir}/objectlist.awk.in

fi

AC_SUBST(SIGNAL_OBJECTLIST)

if test -n "${syscall_dir}"; then

  SYSCALL_OBJECTLIST=libc/${syscall_dir}/objectlist.awk.in

fi

AC_SUBST(SYSCALL_OBJECTLIST)

if test -n "${unix_dir}"; then

  UNIX_OBJECTLIST=libc/${unix_dir}/objectlist.awk.in

fi

AC_SUBST(UNIX_OBJECTLIST)

# Put a plausible default for CC_FOR_BUILD in Makefile.

if test -z "$CC_FOR_BUILD"; then

  if test "x$cross_compiling" = "xno"; then

    CC_FOR_BUILD='$(CC)'

  else

    CC_FOR_BUILD=gcc

  fi

fi

AC_SUBST(CC_FOR_BUILD)

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

  multilib_arg="--enable-multilib"

else

  multilib_arg=

fi

AC_OUTPUT(Makefile,

[if test -n "$CONFIG_FILES"; then

  . ${newlib_basedir}/../config-ml.in

fi],

srcdir=${srcdir}

host=${host}

target=${target}

with_multisubdir=${with_multisubdir}

ac_configure_args="${multilib_arg} ${ac_configure_args}"

CONFIG_SHELL=${CONFIG_SHELL-/bin/sh}

newlib_basedir=${newlib_basedir}

CC="${CC}"

LDFLAGS="${LDFLAGS}"

)