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[/] [or1k_old/] [trunk/] [newlib-1.10.0/] [newlib/] [configure.in] - Rev 1782

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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}"
)

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