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# configure.in -- Top level autoconf configuration file

#

# Copyright (C) 1999-2008 OpenCores

# Copyright (C) 2008 Embecosm Limited

#

# Contributor Jeremy Bennett 

#

# This file is part of OpenRISC 1000 Architectural Simulator.

#

# This program is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License as published by the Free

# Software Foundation; either version 3 of the License, or (at your option)

# any later version.

#

# This program is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for

# more details.

#

# You should have received a copy of the GNU General Public License along

# with this program.  If not, see .

# Configure script for the OpenRISC 1000 simulator

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

AC_INIT([or1ksim], [0.3.0], [openrisc@opencores.org])

AC_CONFIG_SRCDIR([cpu/or32/execute.c])

AC_CANONICAL_TARGET([])

AC_PROG_LIBTOOL

AM_INIT_AUTOMAKE

AC_CONFIG_HEADERS([config.h])

AC_REVISION([$Id: configure.ac,v 1.5 2009-03-02 13:16:01 jeremybennett Exp $ using automake version] AC_ACVERSION)

# make sure we are using a recent autoconf version

AC_PREREQ(2.59)

# yuck.

case "$target_cpu" in

or32*)  CPU_ARCH=or32;

        ARCH_ISA=OR32;

        AC_DEFINE(OR32_TYPES, 1, "The compiler uses the OR32 ELF types");;

dlx*)   CPU_ARCH=dlx;

        ARCH_ISA=DLX;;

*)      AC_MSG_WARN(Unknown target architecture $target_cpu: OR32 assumed);

        CPU_ARCH=or32;

        ARCH_ISA=OR32;

        AC_DEFINE(OR32_TYPES, 1, "The compiler uses the OR32 ELF types");;

esac

# determine endianism from target CPU name. If it has "little" in the name,

# then its litte endian, otherwise its big endian (default for OR1K)

case "$target_cpu" in

*little*)  AC_DEFINE(OR32_LITTLE_ENDIAN, 1, "The OR32 is little endian");;

       *)  AC_DEFINE(OR32_BIG_ENDIAN,    1, "The OR32 is big endian");;

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

AM_PROG_CC_C_O

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)

# This is GNU compliant source and uses GNU libraries

AC_DEFINE(_GNU_SOURCE, 1, "The source code uses the GNU libraries)

# Set default for ARFLAGS, since autoconf does not have a macro for it.

# This allows people to set it when running configure or make

test -n "$ARFLAGS" || ARFLAGS="cr"

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_CHECK_FUNCS(basename)

AC_FUNC_STRCOLL

AC_HEADER_STDC

AC_CHECK_HEADERS(unistd.h stdlib.h varargs.h stdarg.h string.h strings.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 getopt.h \

                net/ethernet.h sys/ethernet.h malloc.h inttypes.h libintl.h)

AC_CHECK_DECLS([I_PUSH])

AC_C_BIGENDIAN

# Checks for typedefs, structures, and compiler characteristics (for argtable2)

AC_C_CONST

AC_TYPE_SIZE_T

AC_STRUCT_TM

# Checks for library functions (for argtable2).

AC_FUNC_MALLOC

AC_FUNC_STRFTIME

AC_FUNC_STRTOD

AC_CHECK_FUNCS([bzero strchr strcspn strrchr strtol])

AC_CHECK_FUNC(getopt_long, SYS_GETOPTLONG=1, SYS_GETOPTLONG=0)

AC_CHECK_FUNC(regcomp,     SYS_REGEX=1,      SYS_REGEX=0)

AC_CHECK_FUNC(strptime,    SYS_STRPTIME=1,   SYS_STRPTIME=0)

# Define automake conditionals (for argtable2)

AM_CONDITIONAL(USE_SYS_GETOPTLONG, test "$SYS_GETOPTLONG" = "1")

AM_CONDITIONAL(USE_ARGREX,         test "$SYS_REGEX" = "1")

AM_CONDITIONAL(USE_ARGDATE,        test "$SYS_STRPTIME" = "1")

# check for "long long" (added by Erez)

AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[long long ll; unsigned long long ull;]])],[AC_DEFINE(CC_HAS_LONG_LONG, 1, "Whether the compiler supports 'long long'.")],[])

# check for {u,}int{8,16,32}_t in inttypes.h.

AC_CHECK_TYPES([uint8_t, uint16_t, uint32_t],,, [#include ])

AC_CHECK_TYPES([int8_t, int16_t, int32_t],,, [#include ])

AC_CHECK_SIZEOF(char, 1)

AC_CHECK_SIZEOF(short, 1)

AC_CHECK_SIZEOF(int, 1)

AC_CHECK_SIZEOF(long, 1)

#Check for compare function type for qsort (needed by some Linuxes)

AC_CHECK_TYPES([__compar_fn_t])

# check for GNU readline

AC_CHECK_LIB(readline, add_history)

# 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

# define options

AC_MSG_CHECKING(whether to enable profiling)

AC_ARG_ENABLE(profiling,

    [  --enable-profiling      generate profiling code], [

    case "$enableval" in

        yes) profile="-pg" ;;

    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 Execution style to use (simple/complex/dynamic)],

    [

    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)

      ;;

    dynamic)

      INCLUDES="-I\${top_srcdir}/cpu/$CPU_ARCH"

      execution="2"

      AC_MSG_RESULT(dynamic)

      ;;

    *)

      AC_MSG_ERROR("excecution must one of simple/complex/dynamic")

      ;;

    esac

    ],

    [

      AC_MSG_RESULT(complex)

    ])

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})

# check for --enable-debug argument (for argtable2)

AC_ARG_ENABLE(

    [debug],

    AC_HELP_STRING([--enable-debug],[enable library debugging symbols]),

    [

       case $enableval in

          yes) echo "enabling argtable2 debugging symbols" & DEBUGFLAGS="-g -UNDEBUG";;

          no)  echo "disabling argtable2 debugging symbols" & DEBUGFLAGS="-DNDEBUG";;

          *)   echo "illegal argument to --enable-debug" & exit 1;;

       esac

    ],

    [DEBUGFLAGS="-DNDEBUG"]

    )

AC_SUBST(DEBUGFLAGS)

AC_DEFINE_UNQUOTED(RAW_RANGE_STATS, $raw_range_stats, [ Specifies, whether we should do register accesses over time analysis. Simple execution must be enabled!])

AC_DEFINE_UNQUOTED(SET_OV_FLAG, $set_ov_flag, [ Whether instructions set overflow flag])

AC_DEFINE_UNQUOTED(ARITH_SET_FLAG, $set_arith_flag, [Whether arithmethic instructions set flag on zero])

AC_DEFINE_UNQUOTED(HAVE_ETH_PHY, $eth_phy, [Whether we have ethernet PHY support])

AC_DEFINE_UNQUOTED(SIMPLE_EXECUTION, $execution == 0, [Whether we are building with simple execution module])

AC_DEFINE_UNQUOTED(COMPLEX_EXECUTION, $execution == 1, [Whether we are building with complex execution module])

AC_DEFINE_UNQUOTED(DYNAMIC_EXECUTION, $execution == 2, [Whether we are building with dynamic execution module])

AM_CONDITIONAL(GENERATE_NEEDED, test x$execution = x1)

AM_CONDITIONAL(DYNAMIC_EXECUTION, test x$execution = x2)

test -n "$profile"  && CFLAGS="$CFLAGS $profile" LDFLAGS="$LDFLAGS $profile"

# CFLAGS="$CFLAGS -O4"

BUILD_DIR=`pwd`

AC_SUBST(BUILD_DIR)

AC_SUBST(CFLAGS)

AC_SUBST(LOCAL_CFLAGS)

AC_SUBST(LOCAL_LDFLAGS)

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(HAVE_EXECUTION, 1, [ Some shared files require to know, whether we have execution functions defined.])

# 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 -I\${top_srcdir}/argtable2"

AC_SUBST(INCLUDES)

AC_CONFIG_FILES([Makefile argtable2/Makefile bpb/Makefile cache/Makefile

        cpu/Makefile cpu/common/Makefile cpu/or1k/Makefile cuc/Makefile

        debug/Makefile doc/Makefile

        support/Makefile mmu/Makefile peripheral/Makefile tick/Makefile

        peripheral/channels/Makefile

        pm/Makefile pic/Makefile vapi/Makefile port/Makefile])

# yuck. I don't know why I cannot just substitute $CPU_ARCH in the above

case "$CPU_ARCH" in

dlx)    AC_CONFIG_FILES([cpu/dlx/Makefile]);;

*)      AC_CONFIG_FILES([cpu/or32/Makefile]);;

esac

# Makefile uses this timestamp file to record whether config.h is up to date.

# AC_CONFIG_COMMANDS([default],[[

# echo > stamp-h

# ]],[[]])

AC_OUTPUT