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dnl
dnl Configure script for the OpenRISC 1000 simulator 
dnl
dnl report bugs to jrydberg@phx.pp.se
dnl
dnl Process this file with autoconf to produce a configure script.

AC_INIT(cpu/or32/execute.c)
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE(or1ksim, 1.3)
AM_CONFIG_HEADER(config.h)

AC_REVISION([for or1ksim-1.2, version 2.14, from autoconf version] AC_ACVERSION)
SIMVERSION=1.2

dnl make sure we are using a recent autoconf version
AC_PREREQ(2.10)
AC_CANONICAL_HOST

dnl yuck
case "$target_cpu" in
or32*)  CPU_ARCH=or32;
        ARCH_ISA=OR32;;
dlx*)   CPU_ARCH=dlx;
        ARCH_ISA=DLX;;
*)      AC_MSG_ERROR(Unknown target architechture $target_cpu);;
esac
AC_SUBST(CPU_ARCH)

# We want these before the checks, so the checks can modify their values.
test -z "$CFLAGS" && CFLAGS="-g -Wall" auto_cflags=1

AC_PROG_CC
AC_MINIX

AC_PROG_MAKE_SET

# If we're using gcc and the user hasn't specified CFLAGS, add -O2 to CFLAGS.
test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O2 -D$ARCH_ISA"

AC_PROG_GCC_TRADITIONAL
AC_PROG_INSTALL
AC_CHECK_PROG(AR, ar, ar)
dnl Set default for ARFLAGS, since autoconf does not have a macro for it.
dnl This allows people to set it when running configure or make
test -n "$ARFLAGS" || ARFLAGS="cr"
AC_PROG_RANLIB

MAKE_SHELL=/bin/sh

AC_SUBST(MAKE_SHELL)

AC_TYPE_SIGNAL
AC_HEADER_STAT
AC_HEADER_DIRENT
AC_CHECK_FUNCS(strcasecmp select setenv putenv tcgetattr setlocale lstat)
AC_CHECK_FUNCS(strndup grantpt unlockpt ptsname on_exit isblank)
AC_FUNC_STRCOLL
AC_CHECK_HEADERS(unistd.h stdlib.h varargs.h stdarg.h string.h \
                sys/ptem.h sys/pte.h sys/stream.h sys/stropts.h sys/select.h \
                termcap.h termios.h termio.h sys/file.h locale.h\
                net/ethernet.h sys/ethernet.h malloc.h inttypes.h)
AC_C_BIGENDIAN

dnl check for "long long" (added by Erez)
AC_TRY_COMPILE(,[long long ll; unsigned long long ull;],AC_DEFINE(CC_HAS_LONG_LONG))

dnl check for {u,}int{8,16,32}_t in inttypes.h
AC_CHECK_TYPES([uint8_t, uint16_t, uint32_t],,, [#include <inttypes.h>])
AC_CHECK_TYPES([int8_t, int16_t, int32_t],,, [#include <inttypes.h>])

AC_CHECK_SIZEOF(char, 1)
AC_CHECK_SIZEOF(short, 1)
AC_CHECK_SIZEOF(int, 1)
AC_CHECK_SIZEOF(long, 1)

dnl check for GNU readline
AC_ARG_ENABLE(readline,
  [  --enable-readline       Use GNU readline], AC_CHECK_LIB(readline, add_history))

dnl yuck
case "$host_os" in
aix*)   prefer_curses=yes ;;
esac

case "$host_cpu" in
*cray*) LOCAL_CFLAGS=-DCRAY ;;
esac

case "$host_os" in
isc*)   LOCAL_CFLAGS=-Disc386 ;;
esac

case "$host_os" in
solaris*) LIBS="-lsocket -lnsl" ;;
esac

dnl define options

AC_MSG_CHECKING(whether to enable profiling)
AC_ARG_ENABLE(profiling,
    [  --enable-profiling      generate profiling code], [
    case "$enableval" in
        yes) profile="-pg -a" ;;
    esac
])
AC_MSG_RESULT(${enable_profiling-no})

execution="1"

INCLUDES="-I\${top_builddir}/cpu/$CPU_ARCH"
AC_MSG_CHECKING(which execution style to use)
AC_ARG_ENABLE(execution,
    [  --enable-execution Executeion style to use (simple/complex)],
    [
    case "$enableval" in
    simple)
      INCLUDES="-I\${top_srcdir}/cpu/$CPU_ARCH"
      execution="0"
      AC_MSG_RESULT(simple)
      ;;
    complex)
      INCLUDES="-I\${top_builddir}/cpu/$CPU_ARCH"
      execution="1"
      AC_MSG_RESULT(complex)
      ;;
    *)
      AC_MSG_ERROR("excecution must one of simple/complex")
      ;;
    esac
    ])

eth_phy="0"
AC_MSG_CHECKING(whether to enable ethernet phy emulation)
AC_ARG_ENABLE(ethphy,
    [  --enable-ethphy    compiles sim with ethernet phy support], [
    case "$enableval" in
  no)  eth_phy="0" ;;
        yes) eth_phy="1" ;;
    esac
])
AC_MSG_RESULT(${enable_eth_phy-no})


raw_range_stats="0"
AC_MSG_CHECKING(whether to use raw range stats)
AC_ARG_ENABLE(range_stats,
    [  --enable-range-stats      Specifies, whether we should do register accesses over time analysis.], [
    case "$enableval" in
  no)  raw_range_stats="0" ;;
        yes) raw_range_stats="1" simple_execution="1" ;;
    esac
])
AC_MSG_RESULT(${enable_range_stats-no})

set_ov_flag="0"
AC_MSG_CHECKING(whether instructions set overflow flag)
AC_ARG_ENABLE(ov_flag,
    [  --enable-ov-flag      Whether instructions set overflow flag.], [
    case "$enableval" in
  no)  set_ov_flag="0" ;;
        yes) set_ov_flag="1" ;;
    esac
])
AC_MSG_RESULT(${enable_ov_flag-no})

set_arith_flag="0"
AC_MSG_CHECKING(whether arithmethic instructions set flag)
AC_ARG_ENABLE(arith_flag,
    [  --enable-arith-flag      Whether arithmethic instructions setflag.], [
    case "$enableval" in
  no)  set_arith_flag="0" ;;
        yes) set_arith_flag="1" ;;
    esac
])
AC_MSG_RESULT(${enable_arith_flag-no})

AC_DEFINE_UNQUOTED(RAW_RANGE_STATS, $raw_range_stats)
AC_DEFINE_UNQUOTED(SET_OV_FLAG, $set_ov_flag)
AC_DEFINE_UNQUOTED(ARITH_SET_FLAG, $set_arith_flag)
AC_DEFINE_UNQUOTED(HAVE_ETH_PHY, $eth_phy)
AM_CONDITIONAL(SIMPLE_EXECUTION, test x$simple_execution = x1)
AC_DEFINE_UNQUOTED(SIMPLE_EXECUTION, $execution == 0) 
AC_DEFINE_UNQUOTED(COMPLEX_EXECUTION, $execution == 1) 


AC_MSG_CHECKING(for implementation-specific data)
AC_ARG_ENABLE(impl,
    [  --enable-impl=<arch>     use <impl>-specific environment
                          (one of: bender, mp3, default)], [
    case "$enableval" in
        no|default)        IMPL="DEFAULT" ;;
        mp3)               IMPL="MP3"     ;;
        bender)            IMPL="BENDER"  ;;
        *)
            AC_MSG_RESULT(failed)
            AC_MSG_ERROR([bad --enable-impl option])
            ;;
    esac
])
AC_MSG_RESULT(${IMPL=DEFAULT})
if test "$IMPL" = "DEFAULT"
then
    AC_MSG_WARN([using default environment])
fi

test -n "$profile"  && CFLAGS="$CFLAGS $profile" LDFLAGS="$LDFLAGS $profile"
IMPL="-DIMPL_$IMPL"
# CFLAGS="$CFLAGS -O4"

BUILD_DIR=`pwd`
AC_SUBST(BUILD_DIR)

AC_SUBST(CFLAGS)
AC_SUBST(LOCAL_CFLAGS)
dnl AC_SUBST(LOCAL_LDFLAGS) (LOCAL_LDFLAGS not defined)
AC_SUBST(LOCAL_DEFS)

AC_SUBST(AR)
AC_SUBST(ARFLAGS)

AC_SUBST(host_cpu)
AC_SUBST(host_os)
AC_SUBST(host)

AC_SUBST(SUMVERSION)
AC_SUBST(TERMCAP_LIB)

AC_DEFINE(HAS_EXECUTION)
AC_DEFINE(HAS_DEBUG)

dnl yuck
INCLUDES="$INCLUDES -I\${top_srcdir} -I\${top_srcdir}/cpu/common \
-I\${top_srcdir}/cpu/or1k -I\${top_srcdir}/cache -I\${top_srcdir}/mmu \
-I\${top_srcdir}/bpb -I\${top_srcdir}/peripheral -I\${top_srcdir}/tick \
-I\${top_srcdir}/peripheral/channels -I\${top_srcdir}/pm -I\${top_srcdir}/pic \
-I\${top_srcdir}/debug -I\${top_srcdir}/vapi -I\${top_srcdir}/support \
-I\${top_srcdir}/cuc -I\${top_srcdir}/port"
AC_SUBST(INCLUDES)

AC_OUTPUT([Makefile bpb/Makefile cache/Makefile cpu/Makefile
        cpu/common/Makefile cpu/or32/Makefile cuc/Makefile
        cpu/or1k/Makefile cpu/dlx/Makefile debug/Makefile
        support/Makefile mmu/Makefile peripheral/Makefile tick/Makefile
        peripheral/channels/Makefile
        pm/Makefile pic/Makefile vapi/Makefile port/Makefile],
[
# Makefile uses this timestamp file to record whether config.h is up to date.
echo > stamp-h
])