Subversion Repositories openrisc_2011-10-31

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

sinclude(../common/aclocal.m4)

AC_PREREQ(2.59)dnl

AC_INIT(Makefile.in)

AC_PROG_INSTALL

AC_PROG_CC

# Put a plausible default for CC_FOR_BUILD in Makefile.

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

  CC_FOR_BUILD='$(CC)'

else

  CC_FOR_BUILD=gcc

fi

CFLAGS_FOR_BUILD=${CFLAGS_FOR_BUILD-${CFLAGS}}

dnl We don't use gettext, but bfd does.  So we do the appropriate checks

dnl to see if there are intl libraries we should link against.

ALL_LINGUAS=

ZW_GNU_GETTEXT_SISTER_DIR(../../intl)

AC_ARG_ENABLE(sim-alignment,

[  --enable-sim-alignment=align         Specify strict or nonstrict alignment.],

[case "${enableval}" in

  yes | strict | STRICT)        sim_alignment="-DWITH_ALIGNMENT=STRICT_ALIGNMENT";;

  no | nonstrict | NONSTRICT)   sim_alignment="-DWITH_ALIGNMENT=NONSTRICT_ALIGNMENT";;

  *)                            AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-alignment"); sim_alignment="";;

esac

if test x"$silent" != x"yes" && test x"$sim_alignment" != x""; then

  echo "Setting alignment flags = $sim_alignment" 6>&1

fi],[sim_alignment=""])dnl

AC_ARG_ENABLE(sim-assert,

[  --enable-sim-assert                  Specify whether to perform random assertions.],

[case "${enableval}" in

  yes)  sim_assert="-DWITH_ASSERT=1";;

  no)   sim_assert="-DWITH_ASSERT=0";;

  *)    AC_MSG_ERROR("--enable-sim-assert does not take a value"); sim_assert="";;

esac

if test x"$silent" != x"yes" && test x"$sim_assert" != x""; then

  echo "Setting assert flags = $sim_assert" 6>&1

fi],[sim_assert=""])dnl

AC_ARG_ENABLE(sim-bitsize,

[  --enable-sim-bitsize=n               Specify target bitsize (32 or 64).],

[case "${enableval}" in

  32|64) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=$enableval";;

  *)     AC_MSG_ERROR("--enable-sim-bitsize was given $enableval.  Expected 32 or 64"); sim_bitsize="";;

esac

if test x"$silent" != x"yes" && test x"$sim_bitsize" != x""; then

  echo "Setting bitsize flags = $sim_bitsize" 6>&1

fi],[sim_bitsize=""])dnl

AC_ARG_ENABLE(sim-bswap,

[  --enable-sim-bswap                   Use the BSWAP instruction on Intel 486s and Pentiums.],

[case "${enableval}" in

  yes)  sim_bswap="-DWITH_BSWAP=1";;

  no)   sim_bswap="-DWITH_BSWAP=0";;

  *)    AC_MSG_ERROR("--enable-sim-bswap does not take a value"); sim_bswap="";;

esac

if test x"$silent" != x"yes" && test x"$sim_bswap" != x""; then

  echo "Setting bswap flags = $sim_bswap" 6>&1

fi],[sim_bswap=""])dnl

AC_ARG_ENABLE(sim-cflags,

[  --enable-sim-cflags=opts             Extra CFLAGS for use in building simulator],

[case "${enableval}" in

  yes)  sim_cflags="-O2 -fomit-frame-pointer";;

  no)   sim_cflags="";;

  *)    sim_cflags=`echo "${enableval}" | sed -e "s/,/ /g"`;;

esac

if test x"$silent" != x"yes" && test x"$sim_cflags" != x""; then

  echo "Setting sim cflags = $sim_cflags" 6>&1

fi],[sim_cflags=""])dnl

AC_ARG_ENABLE(sim-config,

[  --enable-sim-config=file             Override default config file],

[case "${enableval}" in

  yes|no)       AC_MSG_ERROR("No value supplied for --enable-sim-config=file");;

  *)            if test -f "${srcdir}/${enableval}"; then

                  sim_config="${enableval}";

                elif test -f "${srcdir}/${enableval}-config.h"; then

                  sim_config="${enableval}-config.h"

                else

                  AC_MSG_ERROR("Config file $enableval was not found");

                  sim_config=std-config.h

                fi;;

esac

if test x"$silent" != x"yes" && test x"$sim_config" != x""; then

  echo "Setting config flags = $sim_config" 6>&1

fi],[sim_config="std-config.h"

if test x"$silent" != x"yes"; then

  echo "Setting config flags = $sim_config" 6>&1

fi])dnl

AC_ARG_ENABLE(sim-decode-mechanism,

[  --enable-sim-decode-mechanism=which          Specify the instruction decode mechanism.],

[case "${enableval}" in

  yes|no)       AC_MSG_ERROR("No value supplied for --enable-sim-decode-mechanism=file");;

  array|switch|padded-switch|goto-switch)       sim_decode_mechanism="-T ${enableval}";;

  *)            AC_MSG_ERROR("File $enableval is not an opcode rules file");

                sim_decode_mechanism="switch";;

esac

if test x"$silent" != x"yes" && test x"$sim_decode_mechanism" != x""; then

  echo "Setting decode mechanism flags = $sim_decode_mechanism" 6>&1

fi],[sim_decode_mechanism=""

if test x"$silent" != x"yes"; then

  echo "Setting decode mechanism flags = $sim_decode_mechanism"

fi])dnl

AC_ARG_ENABLE(sim-default-model,

[  --enable-sim-default-model=which     Specify default PowerPC to model.],

[case "${enableval}" in

  yes|no)       AC_MSG_ERROR("No value supplied for --enable-sim-default-model=model");;

  *)            sim_default_model="-DWITH_DEFAULT_MODEL=${enableval}";;

esac

if test x"$silent" != x"yes" && test x"$sim_default_model" != x""; then

  echo "Setting default-model flags = $sim_default_model" 6>&1

fi],[sim_default_model=""])dnl

AC_ARG_ENABLE(sim-duplicate,

[  --enable-sim-duplicate               Expand (duplicate) semantic functions.],

[case "${enableval}" in

  yes)  sim_dup="-E";;

  no)   sim_dup="";;

  *)    AC_MSG_ERROR("--enable-sim-duplicate does not take a value"); sim_dup="";;

esac

if test x"$silent" != x"yes" && test x"$sim_dup" != x""; then

  echo "Setting duplicate flags = $sim_dup" 6>&1

fi],[sim_dup="-E"

if test x"$silent" != x"yes"; then

  echo "Setting duplicate flags = $sim_dup" 6>&1

fi])dnl

AC_ARG_ENABLE(sim-endian,

[  --enable-sim-endian=endian           Specify target byte endian orientation.],

[case "${enableval}" in

  yes)  case "$target" in

          *powerpc-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BIG_ENDIAN";;

          *powerpcle-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=LITTLE_ENDIAN";;

          *) echo "Unknown target $target" 1>&6; sim_endian="-DWITH_TARGET_BYTE_ORDER=0";;

        esac;;

  no)    sim_endian="-DWITH_TARGET_BYTE_ORDER=0";;

  b*|B*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BIG_ENDIAN";;

  l*|L*) sim_endian="-DWITH_TARGET_BYTE_ORDER=LITTLE_ENDIAN";;

  *)     AC_MSG_ERROR("Unknown value $enableval for --enable-sim-endian"); sim_endian="";;

esac

if test x"$silent" != x"yes" && test x"$sim_endian" != x""; then

  echo "Setting endian flags = $sim_endian" 6>&1

fi],[sim_endian=""])dnl

AC_ARG_ENABLE(sim-env,

[  --enable-sim-env=env                 Specify target environment (operating, virtual, user).],

[case "${enableval}" in

  operating | os | oea) sim_env="-DWITH_ENVIRONMENT=OPERATING_ENVIRONMENT";;

  virtual | vea)        sim_env="-DWITH_ENVIRONMENT=VIRTUAL_ENVIRONMENT";;

  user | uea)           sim_env="-DWITH_ENVIRONMENT=USER_ENVIRONMENT";;

  no)                   sim_env="-DWITH_ENVIRONMENT=0";;

  *)                    AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-env"); sim_env="";;

esac

if test x"$silent" != x"yes" && test x"$sim_env" != x""; then

  echo "Setting env flags = $sim_env" 6>&1

fi],[sim_env=""])dnl

AC_ARG_ENABLE(sim-filter,

[  --enable-sim-filter=rule             Specify filter rules.],

[case "${enableval}" in

  yes)  AC_MSG_ERROR("--enable-sim-filter must be specified with a rule to filter or no"); sim_filter="";;

  no)   sim_filter="";;

  *)    sim_filter="-F $enableval";;

esac

if test x"$silent" != x"yes" && test x"$sim_filter" != x""; then

  echo "Setting filter flags = $sim_filter" 6>&1

fi],[sim_filter="-F 32,f,o"

if test x"$silent" != x"yes"; then

  echo "Setting filter flags = $sim_filter" 6>&1

fi])dnl

AC_ARG_ENABLE(sim-float,

[  --enable-sim-float                   Specify whether the target has hard, soft, altivec or e500 floating point.],

[case "${enableval}" in

  yes | hard)   sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT";;

  no | soft)    sim_float="-DWITH_FLOATING_POINT=SOFT_FLOATING_POINT";;

  altivec)      sim_float="-DWITH_ALTIVEC" ; sim_filter="${sim_filter},av" ;;

  *spe*|*simd*) sim_float="-DWITH_E500" ; sim_filter="${sim_filter},e500" ;;

  *)            AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-float"); sim_float="";;

esac

if test x"$silent" != x"yes" && test x"$sim_float" != x""; then

  echo "Setting float flags = $sim_float" 6>&1

fi],[

case "${target}" in

  *altivec*) sim_float="-DWITH_ALTIVEC" ; sim_filter="${sim_filter},av" ;;

  *spe*|*simd*) sim_float="-DWITH_E500" ; sim_filter="${sim_filter},e500" ;;

  *) sim_float=""

esac

])dnl

AC_CACHE_CHECK([if union semun defined],

  ac_cv_HAS_UNION_SEMUN,

  [AC_TRY_COMPILE([

#include 

#include 

#include ],

[union semun arg ;],

[ac_cv_has_union_semun="yes"],

[ac_cv_has_union_semun="no"])

AC_MSG_RESULT($ac_cv_has_union_semun)

])

if test "$ac_cv_has_union_semun" = "yes"; then

  AC_CACHE_CHECK(whether System V semaphores are supported,

  ac_cv_sysv_sem,

  [

  AC_TRY_RUN(

  [

  #include 

  #include 

  #include 

  int main () {

    union semun arg ;

    int id=semget(IPC_PRIVATE,1,IPC_CREAT|0400);

    if (id == -1)

      exit(1);

    arg.val = 0; /* avoid implicit type cast to union */

    if (semctl(id, 0, IPC_RMID, arg) == -1)

      exit(1);

    exit(0);

  }

  ],

  ac_cv_sysv_sem="yes", ac_cv_sysv_sem="no", :)

  ])

else  # semun is not defined

  AC_CACHE_CHECK(whether System V semaphores are supported,

  ac_cv_sysv_sem,

  [

  AC_TRY_RUN(

  [

  #include 

  #include 

  #include 

  union semun {

    int val;

    struct semid_ds *buf;

    ushort *array;

  };

  int main () {

    union semun arg ;

    int id=semget(IPC_PRIVATE,1,IPC_CREAT|0400);

    if (id == -1)

      exit(1);

    arg.val = 0; /* avoid implicit type cast to union */

    if (semctl(id, 0, IPC_RMID, arg) == -1)

      exit(1);

    exit(0);

  }

  ],

  ac_cv_sysv_sem="yes", ac_cv_sysv_sem="no", :)

  ])

fi

AC_CACHE_CHECK(whether System V shared memory is supported,

ac_cv_sysv_shm,

[

AC_TRY_RUN([

#include 

#include 

#include 

int main () {

  int id=shmget(IPC_PRIVATE,1,IPC_CREAT|0400);

  if (id == -1)

    exit(1);

  if (shmctl(id, IPC_RMID, 0) == -1)

    exit(1);

  exit(0);

}

],

ac_cv_sysv_shm="yes", ac_cv_sysv_shm="no", :)

])

if test x"$ac_cv_sysv_shm" = x"yes" -a x"$ac_cv_sysv_sem" = x"yes" ; then

  sim_sysv_ipc_hw=",sem,shm";

else

  sim_sysv_ipc_hw="";

fi

if test x"$ac_cv_has_union_semun" = x"yes" -a x"$ac_cv_sysv_sem" = x"yes" ; then

  AC_DEFINE(HAVE_UNION_SEMUN, 1,

            [Define if union semun is defined in ])

fi

AC_ARG_ENABLE(sim-hardware,

[  --enable-sim-hardware=list           Specify the hardware to be included in the build.],

[hardware="cpu,memory,nvram,iobus,htab,disk,trace,register,vm,init,core,pal,com,eeprom,opic,glue,phb,ide${sim_sysv_ipc_hw}"

case "${enableval}" in

  yes)  ;;

  no)   AC_MSG_ERROR("List of hardware must be specified for --enable-sim-hardware"); hardware="";;

  ,*)   hardware="${hardware}${enableval}";;

  *,)   hardware="${enableval}${hardware}";;

  *)    hardware="${enableval}"'';;

esac

sim_hw_src=`echo $hardware | sed -e 's/,/.c hw_/g' -e 's/^/hw_/' -e s'/$/.c/'`

sim_hw_obj=`echo $sim_hw_src | sed -e 's/\.c/.o/g'`

if test x"$silent" != x"yes" && test x"$hardware" != x""; then

  echo "Setting hardware to $sim_hw_src, $sim_hw_obj"

fi],[hardware="cpu,memory,nvram,iobus,htab,disk,trace,register,vm,init,core,pal,com,eeprom,opic,glue,phb,ide${sim_sysv_ipc_hw}"

sim_hw_src=`echo $hardware | sed -e 's/,/.c hw_/g' -e 's/^/hw_/' -e s'/$/.c/'`

sim_hw_obj=`echo $sim_hw_src | sed -e 's/\.c/.o/g'`

if test x"$silent" != x"yes"; then

  echo "Setting hardware to $sim_hw_src, $sim_hw_obj"

fi])dnl

AC_ARG_ENABLE(sim-hostbitsize,

[  --enable-sim-hostbitsize=32|64       Specify host bitsize (32 or 64).],

[case "${enableval}" in

  32|64) sim_hostbitsize="-DWITH_HOST_WORD_BITSIZE=$enableval";;

  *)     AC_MSG_ERROR("--enable-sim-hostbitsize was given $enableval.  Expected 32 or 64"); sim_hostbitsize="";;

esac

if test x"$silent" != x"yes" && test x"$sim_hostbitsize" != x""; then

  echo "Setting hostbitsize flags = $sim_hostbitsize" 6>&1

fi],[sim_hostbitsize=""])dnl

AC_ARG_ENABLE(sim-hostendian,

[  --enable-sim-hostendian=end          Specify host byte endian orientation.],

[case "${enableval}" in

  no)    sim_hostendian="-DWITH_HOST_BYTE_ORDER=0";;

  b*|B*) sim_hostendian="-DWITH_HOST_BYTE_ORDER=BIG_ENDIAN";;

  l*|L*) sim_hostendian="-DWITH_HOST_BYTE_ORDER=LITTLE_ENDIAN";;

  *)     AC_MSG_ERROR("Unknown value $enableval for --enable-sim-hostendian"); sim_hostendian="";;

esac

if test x"$silent" != x"yes" && test x"$sim_hostendian" != x""; then

  echo "Setting hostendian flags = $sim_hostendian" 6>&1

fi],[

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

  AC_C_BIGENDIAN

  if test $ac_cv_c_bigendian = yes; then

    sim_hostendian="-DWITH_HOST_BYTE_ORDER=BIG_ENDIAN"

  else

    sim_hostendian="-DWITH_HOST_BYTE_ORDER=LITTLE_ENDIAN"

  fi

else

  sim_hostendian="-DWITH_HOST_BYTE_ORDER=0"

fi])dnl

AC_ARG_ENABLE(sim-icache,

[  --enable-sim-icache=size             Specify instruction-decode cache size and type.],

[icache="-R"

 case "${enableval}" in

  yes)          icache="1024"; sim_icache="-I $icache";;

  no)           sim_icache="-R";;

  *) icache=1024

     sim_icache="-"

     for x in `echo "${enableval}" | sed -e "s/,/ /g"`; do

       case "$x" in

         define)        sim_icache="${sim_icache}R";;

         semantic)      sim_icache="${sim_icache}C";;

         insn)          sim_icache="${sim_icache}S";;

         0*|1*|2*|3*|4*|5*|6*|7*|8*|9*) icache=$x;;

         *)             AC_MSG_ERROR("Unknown value $x for --enable-sim-icache"); sim_icache="";;

       esac

     done

     sim_icache="${sim_icache}I $icache";;

esac

if test x"$silent" != x"yes" && test x"$icache" != x""; then

  echo "Setting instruction cache size to $icache ($sim_icache)"

fi],[sim_icache="-CSRI 1024"

if test x"$silent" != x"yes"; then

  echo "Setting instruction cache size to 1024 ($sim_icache)"

fi])dnl

AC_ARG_ENABLE(sim-inline,

[  --enable-sim-inline=inlines          Specify which functions should be inlined.],

[sim_inline=""

case "$enableval" in

  no)           sim_inline="-DDEFAULT_INLINE=0";;

  0)            sim_inline="-DDEFAULT_INLINE=0";;

  yes | 2)      sim_inline="-DDEFAULT_INLINE=ALL_INLINE";;

  1)            sim_inline="-DDEFAULT_INLINE=PSIM_INLINE_LOCALS";;

  *) for x in `echo "$enableval" | sed -e "s/,/ /g"`; do

       new_flag=""

       case "$x" in

         *_INLINE=*)    new_flag="-D$x";;

         *=*)           new_flag=`echo "$x" | sed -e "s/=/_INLINE=/" -e "s/^/-D/"`;;

         *_INLINE)      new_flag="-D$x=ALL_INLINE";;

         *)             new_flag="-D$x""_INLINE=ALL_INLINE";;

       esac

       if test x"$sim_inline" = x""; then

         sim_inline="$new_flag"

       else

         sim_inline="$sim_inline $new_flag"

       fi

     done;;

esac

if test x"$silent" != x"yes" && test x"$sim_inline" != x""; then

  echo "Setting inline flags = $sim_inline" 6>&1

fi],[if test x"$GCC" != ""; then

  sim_inline="-DDEFAULT_INLINE=PSIM_INLINE_LOCALS"

  if test x"$silent" != x"yes"; then

    echo "Setting inline flags = $sim_inline" 6>&1

  fi

else

  sim_inline=""

fi])dnl

AC_ARG_ENABLE(sim-jump,

[  --enable-sim-jump            Jump between semantic code (instead of call/return).],

[case "${enableval}" in

  yes)  sim_jump="-J";;

  no)   sim_jump="";;

  *)    AC_MSG_ERROR("--enable-sim-jump does not take a value"); sim_jump="";;

esac

if test x"$silent" != x"yes" && test x"$sim_jump" != x""; then

  echo "Setting jump flag = $sim_jump" 6>&1

fi],[sim_jump=""

if test x"$silent" != x"yes"; then

  echo "Setting jump flag = $sim_jump" 6>&1

fi])dnl

AC_ARG_ENABLE(sim-line-nr,

[  --enable-sim-line-nr=opts            Generate extra CPP code that references source rather than generated code],

[case "${enableval}" in

  yes)  sim_line_nr="";;

  no)   sim_line_nr="-L";;

  *)    AC_MSG_ERROR("--enable-sim-line-nr does not take a value"); sim_line_nr="";;

esac

if test x"$silent" != x"yes" && test x"$sim_line_nr" != x""; then

  echo "Setting warning flags = $sim_line_nr" 6>&1

fi],[sim_line_nr=""])dnl

AC_ARG_ENABLE(sim-model,

[  --enable-sim-model=which             Specify PowerPC to model.],

[case "${enableval}" in

  yes|no)       AC_MSG_ERROR("No value supplied for --enable-sim-model=model");;

  *)            sim_model="-DWITH_MODEL=${enableval}";;

esac

if test x"$silent" != x"yes" && test x"$sim_model" != x""; then

  echo "Setting model flags = $sim_model" 6>&1

fi],[sim_model=""])dnl

AC_ARG_ENABLE(sim-model-issue,

[  --enable-sim-model-issue             Specify whether to simulate model specific actions],

[case "${enableval}" in

  yes)  sim_model_issue="-DWITH_MODEL_ISSUE=MODEL_ISSUE_PROCESS";;

  no)   sim_model_issue="-DWITH_MODEL_ISSUE=MODEL_ISSUE_IGNORE";;

  *)    AC_MSG_ERROR("--enable-sim-model-issue does not take a value"); sim_model_issue="";;

esac

if test x"$silent" != x"yes"; then

  echo "Setting model-issue flags = $sim_model_issue" 6>&1

fi],[sim_model_issue=""])dnl

AC_ARG_ENABLE(sim-monitor,

[  --enable-sim-monitor=mon             Specify whether to enable monitoring events.],

[case "${enableval}" in

  yes)          sim_monitor="-DWITH_MON='MONITOR_INSTRUCTION_ISSUE | MONITOR_LOAD_STORE_UNIT'";;

  no)           sim_monitor="-DWITH_MON=0";;

  instruction)  sim_monitor="-DWITH_MON=MONITOR_INSTRUCTION_ISSUE";;

  memory)       sim_monitor="-DWITH_MON=MONITOR_LOAD_STORE_UNIT";;

  *)            AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-mon"); sim_env="";;

esac

if test x"$silent" != x"yes" && test x"$sim_monitor" != x""; then

  echo "Setting monitor flags = $sim_monitor" 6>&1

fi],[sim_monitor=""])dnl

AC_ARG_ENABLE(sim-opcode,

[  --enable-sim-opcode=which            Override default opcode lookup.],

[case "${enableval}" in

  yes|no)       AC_MSG_ERROR("No value supplied for --enable-sim-opcode=file");;

  *)            if test -f "${srcdir}/${enableval}"; then

                  sim_opcode="${enableval}"

                elif test -f "${srcdir}/dc-${enableval}"; then

                  sim_opcode="dc-${enableval}"

                else

                  AC_MSG_ERROR("File $enableval is not an opcode rules file");

                  sim_opcode="dc-complex"

                fi;;

esac

if test x"$silent" != x"yes" && test x"$sim_opcode" != x""; then

  echo "Setting opcode flags = $sim_opcode" 6>&1

fi],[sim_opcode="dc-complex"

if test x"$silent" != x"yes"; then

  echo "Setting opcode flags = $sim_opcode"

fi])dnl

AC_ARG_ENABLE(sim-packages,

[  --enable-sim-packages=list           Specify the packages to be included in the build.],

[packages=disklabel

case "${enableval}" in

  yes)  ;;

  no)   AC_MSG_ERROR("List of packages must be specified for --enable-sim-packages"); packages="";;

  ,*)   packages="${packages}${enableval}";;

  *,)   packages="${enableval}${packages}";;

  *)    packages="${enableval}"'';;

esac

sim_pk_src=`echo $packages | sed -e 's/,/.c pk_/g' -e 's/^/pk_/' -e 's/$/.c/'`

sim_pk_obj=`echo $sim_pk_src | sed -e 's/\.c/.o/g'`

if test x"$silent" != x"yes" && test x"$packages" != x""; then

  echo "Setting packages to $sim_pk_src, $sim_pk_obj"

fi],[packages=disklabel

sim_pk_src=`echo $packages | sed -e 's/,/.c pk_/g' -e 's/^/pk_/' -e 's/$/.c/'`

sim_pk_obj=`echo $sim_pk_src | sed -e 's/\.c/.o/g'`

if test x"$silent" != x"yes"; then

  echo "Setting packages to $sim_pk_src, $sim_pk_obj"

fi])dnl

AC_ARG_ENABLE(sim-regparm,

[  --enable-sim-regparm=nr-parm         Pass parameters in registers instead of on the stack - x86/GCC specific.],

[case "${enableval}" in

  0*|1*|2*|3*|4*|5*|6*|7*|8*|9*) sim_regparm="-DWITH_REGPARM=${enableval}";;

  no)                            sim_regparm="" ;;

  yes)                           sim_regparm="-DWITH_REGPARM=3";;

  *)   AC_MSG_ERROR("Unknown value $enableval for --enable-sim-regparm"); sim_regparm="";;

esac

if test x"$silent" != x"yes" && test x"$sim_regparm" != x""; then

  echo "Setting regparm flags = $sim_regparm" 6>&1

fi],[sim_regparm=""])dnl

AC_ARG_ENABLE(sim-reserved-bits,

[  --enable-sim-reserved-bits           Specify whether to check reserved bits in instruction.],

[case "${enableval}" in

  yes)  sim_reserved="-DWITH_RESERVED_BITS=1";;

  no)   sim_reserved="-DWITH_RESERVED_BITS=0";;

  *)    AC_MSG_ERROR("--enable-sim-reserved-bits does not take a value"); sim_reserved="";;

esac

if test x"$silent" != x"yes" && test x"$sim_reserved" != x""; then

  echo "Setting reserved flags = $sim_reserved" 6>&1

fi],[sim_reserved=""])dnl

AC_ARG_ENABLE(sim-smp,

[  --enable-sim-smp=n                   Specify number of processors to configure for.],

[case "${enableval}" in

  yes)  sim_smp="-DWITH_SMP=5" ; sim_igen_smp="-N 5";;

  no)   sim_smp="-DWITH_SMP=0" ; sim_igen_smp="-N 0";;

  *)    sim_smp="-DWITH_SMP=$enableval" ; sim_igen_smp="-N $enableval";;

esac

if test x"$silent" != x"yes" && test x"$sim_smp" != x""; then

  echo "Setting smp flags = $sim_smp" 6>&1

fi],[sim_smp="-DWITH_SMP=5" ; sim_igen_smp="-N 5"

if test x"$silent" != x"yes"; then

  echo "Setting smp flags = $sim_smp" 6>&1

fi])dnl

AC_ARG_ENABLE(sim-stdcall,

[  --enable-sim-stdcall=type            Use an alternative function call/return mechanism - x86/GCC specific.],

[case "${enableval}" in

  no)           sim_stdcall="" ;;

  std*)         sim_stdcall="-DWITH_STDCALL=1";;

  yes)          sim_stdcall="-DWITH_STDCALL=1";;

  *)   AC_MSG_ERROR("Unknown value $enableval for --enable-sim-stdcall"); sim_stdcall="";;

esac

if test x"$silent" != x"yes" && test x"$sim_stdcall" != x""; then

  echo "Setting function call flags = $sim_stdcall" 6>&1

fi],[sim_stdcall=""])dnl

AC_ARG_ENABLE(sim-stdio,

[  --enable-sim-stdio                   Specify whether to use stdio for console input/output.],

[case "${enableval}" in

  yes)  sim_stdio="-DWITH_STDIO=DO_USE_STDIO";;

  no)   sim_stdio="-DWITH_STDIO=DONT_USE_STDIO";;

  *)    AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-stdio"); sim_stdio="";;

esac

if test x"$silent" != x"yes" && test x"$sim_stdio" != x""; then

  echo "Setting stdio flags = $sim_stdio" 6>&1

fi],[sim_stdio=""])dnl

AC_ARG_ENABLE(sim-switch,

[  --enable-sim-switch                  Use a switch instead of a table for instruction call.],

[case "${enableval}" in

  yes)  sim_switch="-s";;

  no)   sim_switch="";;

  *)    AC_MSG_ERROR("--enable-sim-switch does not take a value"); sim_switch="";;

esac

if test x"$silent" != x"yes" && test x"$sim_switch" != x""; then

  echo "Setting switch flags = $sim_switch" 6>&1

fi],[sim_switch="";

if test x"$silent" != x"yes"; then

  echo "Setting switch flags = $sim_switch" 6>&1

fi])dnl

AC_ARG_ENABLE(sim-timebase,

[  --enable-sim-timebase                        Specify whether the PPC timebase is supported.],

[case "${enableval}" in

  yes)  sim_timebase="-DWITH_TIME_BASE=1";;

  no)   sim_timebase="-DWITH_TIME_BASE=0";;

  *)    AC_MSG_ERROR("--enable-sim-timebase does not take a value"); sim_timebase="";;

esac

if test x"$silent" != x"yes" && test x"$sim_timebase" != x""; then

  echo "Setting timebase flags = $sim_timebase" 6>&1

fi],[sim_timebase=""])dnl

AC_ARG_ENABLE(sim-trace,

[  --enable-sim-trace                   Specify whether tracing is supported.],

[case "${enableval}" in

  yes)  sim_trace="-DWITH_TRACE=1";;

  no)   sim_trace="-DWITH_TRACE=0";;

  *)    AC_MSG_ERROR("--enable-sim-trace does not take a value"); sim_trace="";;

esac

if test x"$silent" != x"yes" && test x"$sim_trace" != x""; then

  echo "Setting trace flags = $sim_trace" 6>&1

fi],[sim_trace=""])dnl

AC_ARG_ENABLE(sim-warnings,

[  --enable-sim-warnings=opts           Extra CFLAGS for turning on compiler warnings except for idecode.o, semantics.o and psim.o],

[case "${enableval}" in

  yes)  sim_warnings="-Werror -Wall -Wpointer-arith -Wmissing-prototypes -Wmissing-declarations ";;

  no)   sim_warnings="-w";;

  *)    sim_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;

esac

if test x"$silent" != x"yes" && test x"$sim_warnings" != x""; then

  echo "Setting warning flags = $sim_warnings" 6>&1

fi],[sim_warnings=""])dnl

AC_ARG_ENABLE(sim-xor-endian,

[  --enable-sim-xor-endian=n            Specify number bytes involved in PowerPC XOR bi-endian mode (default 8).],

[case "${enableval}" in

  yes)  sim_xor_endian="-DWITH_XOR_ENDIAN=8";;

  no)   sim_xor_endian="-DWITH_XOR_ENDIAN=0";;

  *)    sim_xor_endian="-DWITH_XOR_ENDIAN=$enableval";;

esac

if test x"$silent" != x"yes" && test x"$sim_xor_endian" != x""; then

  echo "Setting xor-endian flag = $sim_xor_endian" 6>&1

fi],[sim_xor_endian=""])dnl

ACX_PKGVERSION([GDB])

ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])

AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])

AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])

AC_CANONICAL_SYSTEM

AC_ARG_PROGRAM

# BFD conditionally uses zlib, so we must link it in if libbfd does, by

# using the same condition.

AM_ZLIB

. ${srcdir}/../../bfd/configure.host

case ${host} in

  *mingw32*)

    AC_DEFINE(USE_WIN32API, 1,

              [Define if we should use the Windows API, instead of the

               POSIX API.  On Windows, we use the Windows API when

               building for MinGW, but the POSIX API when building

               for Cygwin.])

    ;;

esac

AC_CONFIG_HEADER(config.h:config.in)

AC_STRUCT_ST_BLKSIZE

AC_STRUCT_ST_BLOCKS

AC_STRUCT_ST_RDEV

AC_STRUCT_TIMEZONE

AC_TYPE_GETGROUPS

AC_TYPE_MODE_T

AC_TYPE_OFF_T

AC_TYPE_PID_T

AC_TYPE_SIGNAL

AC_TYPE_SIZE_T

AC_TYPE_UID_T

AC_CHECK_FUNCS(access cfgetispeed cfgetospeed cfsetispeed cfsetospeed chdir chmod chown dup dup2 fchmod fchown fcntl fstat fstatfs getdirentries getegid geteuid getgid getpid getppid getrusage gettimeofday getuid ioctl kill link lseek lstat mkdir pipe readlink rmdir setreuid setregid stat sigprocmask stat symlink tcgetattr tcsetattr tcsendbreak tcdrain tcflush tcflow tcgetpgrp tcsetpgrp time umask unlink)

AC_CHECK_HEADERS(fcntl.h stdlib.h string.h strings.h sys/ioctl.h sys/mount.h sys/param.h sys/resource.h sys/stat.h sys/termio.h sys/termios.h sys/time.h sys/times.h sys/types.h time.h unistd.h sys/vfs.h sys/statfs.h)

AC_HEADER_DIRENT

dnl Figure out what type of termio/termios support there is

sim_termio=""

AC_MSG_CHECKING(for struct termios)

AC_CACHE_VAL(ac_cv_termios_struct,

[AC_TRY_COMPILE([#include 

#include ],

[static struct termios x;

 x.c_iflag = 0;

 x.c_oflag = 0;

 x.c_cflag = 0;

 x.c_lflag = 0;

 x.c_cc[NCCS] = 0;],

ac_cv_termios_struct=yes, ac_cv_termios_struct=no)])

AC_MSG_RESULT($ac_cv_termios_struct)

if test $ac_cv_termios_struct = yes; then

  sim_termio="$sim_termio -DHAVE_TERMIOS_STRUCTURE"

fi

if test "$ac_cv_termios_struct" = "yes"; then

  AC_MSG_CHECKING(for c_line field in struct termios)

  AC_CACHE_VAL(ac_cv_termios_cline,

  [AC_TRY_COMPILE([#include 

#include ],

[static struct termios x; x.c_line = 0;],

  ac_cv_termios_cline=yes, ac_cv_termios_cline=no)])

  AC_MSG_RESULT($ac_cv_termios_cline)

  if test $ac_cv_termios_cline = yes; then

    sim_termio="$sim_termio -DHAVE_TERMIOS_CLINE"

  fi

else

  ac_cv_termios_cline=no

fi

if test "$ac_cv_termios_struct" != "yes"; then

  AC_MSG_CHECKING(for struct termio)

  AC_CACHE_VAL(ac_cv_termio_struct,

  [AC_TRY_COMPILE([#include 

#include ],

[static struct termio x;

 x.c_iflag = 0;

 x.c_oflag = 0;

 x.c_cflag = 0;

 x.c_lflag = 0;

 x.c_cc[NCC] = 0;],

ac_cv_termio_struct=yes, ac_cv_termio_struct=no)])

  AC_MSG_RESULT($ac_cv_termio_struct)

  if test $ac_cv_termio_struct = yes; then

    sim_termio="$sim_termio -DHAVE_TERMIO_STRUCTURE"

  fi

else

  ac_cv_termio_struct=no

fi

if test "$ac_cv_termio_struct" = "yes"; then

  AC_MSG_CHECKING(for c_line field in struct termio)

  AC_CACHE_VAL(ac_cv_termio_cline,

  [AC_TRY_COMPILE([#include 

#include ],

[static struct termio x; x.c_line = 0;],

  ac_cv_termio_cline=yes, ac_cv_termio_cline=no)])

  AC_MSG_RESULT($ac_cv_termio_cline)

  if test $ac_cv_termio_cline = yes; then

    sim_termio="$sim_termio -DHAVE_TERMIO_CLINE"

  fi

else

  ac_cv_termio_cline=no

fi

dnl Check for struct statfs

AC_MSG_CHECKING(for struct statfs)

AC_CACHE_VAL(ac_cv_struct_statfs,

[AC_TRY_COMPILE([#include 

#ifdef HAVE_SYS_PARAM_H

#include 

#endif

#ifdef HAVE_SYS_MOUNT_H

#include 

#endif

#ifdef HAVE_SYS_VFS_H

#include 

#endif

#ifdef HAVE_SYS_STATFS_H

#include 

#endif],

[static struct statfs s;],

ac_cv_struct_statfs=yes, ac_cv_struct_statfs=no)])

AC_MSG_RESULT($ac_cv_struct_statfs)

if test $ac_cv_struct_statfs = yes; then

  AC_DEFINE(HAVE_STRUCT_STATFS, 1,

            [Define if struct statfs is defined in ])

fi

AC_CHECK_TYPES(long long)

dnl Figure out if /dev/zero exists or not

sim_devzero=""

AC_MSG_CHECKING(for /dev/zero)

AC_CACHE_VAL(ac_cv_devzero,

[AC_TRY_RUN([#include 

main () {

  char buf[2048];

  int i;

  int fd = open ("/dev/zero", O_RDONLY);

  if (fd < 0)

    return 1;

  for (i = 0; i < sizeof (buf); i++)

    buf[i] = 1;

  if (read (fd, buf, sizeof (buf)) != sizeof (buf))

    return 1;

  for (i = 0; i < sizeof (buf); i++)

    if (buf[i])

      return 1;

  return 0;

}],[ac_cv_devzero=yes],[ac_cv_devzero=no],[ac_cv_devzero=no])])

AC_MSG_RESULT($ac_cv_devzero)

if test $ac_cv_devzero = yes; then

  sim_devzero="-DHAVE_DEVZERO"

else

  sim_devzero=""

fi

dnl Figure out if we are in the new Cygnus tree with a common directory or not

AC_MSG_CHECKING(for common simulator directory)

if test -f "${srcdir}/../common/callback.c"; then

  AC_MSG_RESULT(yes)

  sim_callback="callback.o targ-map.o"

  sim_targ_vals="targ-vals.h targ-map.c targ-vals.def"

else

  AC_MSG_RESULT(no)

  sim_callback=""

  sim_targ_vals=""

fi

AC_MSG_CHECKING(for common simulator directory fpu implementation)

if test -f "${srcdir}/../common/sim-fpu.c"; then

  AC_MSG_RESULT(yes)

  sim_fpu_cflags="-DHAVE_COMMON_FPU -I../common -I${srcdir}/../common"

  sim_fpu="sim-fpu.o"

else

  AC_MSG_RESULT(no)

  sim_fpu_cflags=

  sim_fpu=

fi

# Since we run commands on the build system, we have to create a

# separate config header for the build system if build != host.

if test x$host = x$build; then

  AC_CONFIG_COMMANDS([build-config.h],[cp config.h build-config.h])

else

  tempdir=build.$$

  rm -rf $tempdir

  mkdir $tempdir

  cd $tempdir

  case ${srcdir} in

  /* | [A-Za-z]:[\\/]* ) realsrcdir=${srcdir};;

  *) realsrcdir=../${srcdir};;

  esac

  saved_CFLAGS="${CFLAGS}"

  CC="${CC_FOR_BUILD}" CFLAGS="${CFLAGS_FOR_BUILD}" \

  LDFLAGS="${LDFLAGS_FOR_BUILD}" \

  ${realsrcdir}/configure \

    --enable-languages=${enable_languages-all} \

    --target=$target_alias --host=$build_alias --build=$build_alias

  CFLAGS="${saved_CFLAGS}"

  mv config.h ../build-config.h

  cd ..

  rm -rf $tempdir

fi

dnl Check for exe extension

AC_EXEEXT

AC_SUBST(CC_FOR_BUILD)

AC_SUBST(CFLAGS_FOR_BUILD)

AC_SUBST(CFLAGS)

AC_SUBST(HDEFINES)

AR=${AR-ar}

AC_SUBST(AR)

AC_PROG_RANLIB

AC_SUBST(sim_cflags)

AC_SUBST(sim_warnings)

AC_SUBST(sim_line_nr)

AC_SUBST(sim_config)

AC_SUBST(sim_opcode)

AC_SUBST(sim_switch)

AC_SUBST(sim_dup)

AC_SUBST(sim_decode_mechanism)

AC_SUBST(sim_jump)

AC_SUBST(sim_filter)

AC_SUBST(sim_icache)

AC_SUBST(sim_hw_src)

AC_SUBST(sim_hw_obj)

AC_SUBST(sim_pk_src)

AC_SUBST(sim_pk_obj)

AC_SUBST(sim_inline)

AC_SUBST(sim_bswap)

AC_SUBST(sim_endian)

AC_SUBST(sim_regparm)

AC_SUBST(sim_stdcall)

AC_SUBST(sim_xor_endian)

AC_SUBST(sim_hostendian)

AC_SUBST(sim_smp)

AC_SUBST(sim_igen_smp)

AC_SUBST(sim_bitsize)

AC_SUBST(sim_hostbitsize)

AC_SUBST(sim_env)

AC_SUBST(sim_timebase)

AC_SUBST(sim_alignment)

AC_SUBST(sim_float)

AC_SUBST(sim_trace)

AC_SUBST(sim_assert)

AC_SUBST(sim_reserved)

AC_SUBST(sim_monitor)

AC_SUBST(sim_model)

AC_SUBST(sim_default_model)

AC_SUBST(sim_model_issue)

AC_SUBST(sim_stdio)

AC_SUBST(sim_termio)

AC_SUBST(sim_devzero)

AC_SUBST(sim_callback)

AC_SUBST(sim_targ_vals)

AC_SUBST(sim_fpu_cflags)

AC_SUBST(sim_fpu)

AC_OUTPUT(Makefile,

[case x$CONFIG_HEADERS in xconfig.h:config.in) echo > stamp-h ;; esac])