dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.3)dnl
AC_INIT(Makefile.in)

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-warnings,
[  --enable-sim-warnings=opts		Extra CFLAGS for turning on compiler warnings except for idecode.o, semantics.o and psim.o],
[case "${enableval}" in
  yes)	sim_warnings="-Werror -Wall -Wpointer-arith -Wmissing-prototypes";;
  no)	sim_warnings="-w";;
  *)	sim_warnings=`echo "${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-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-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 "${srcdir}/ppc-opcode-${enableval}"; then
		  sim_opcode="ppc-opcode-${enableval}"
		else
		  AC_MSG_ERROR("File $enableval is not an opcode rules file");
		  sim_opcode="ppc-opcode-complex"
		fi;;
esac
if test x"$silent" != x"yes" && test x"$sim_opcode" != x""; then
  echo "Setting opcode flags = $sim_opcode" 6>&1
fi],[sim_opcode="ppc-opcode-complex"
if test x"$silent" != x"yes"; then
  echo "Setting opcode flags = $sim_opcode"
fi])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 = $sim_switch" 6>&1
fi],[sim_switch="-s";
if test x"$silent" != x"yes"; then
  echo "Setting switch flags = $sim_switch" 6>&1
fi])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-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 = $sim_filter" 6>&1
fi],[sim_filter="-f 64"
if test x"$silent" != x"yes"; then
  echo "Setting filter flags = $sim_filter" 6>&1
fi])dnl

AC_ARG_ENABLE(sim-icache,
[  --enable-sim-icache=size		Specify instruction cache size.],
icache=""
[case "${enableval}" in
  yes)		sim_icache="-r 1024"; icache="1024";;
  define)	sim_icache="-r 1024 -R"; icache="1024";;
  no)		sim_icache="";;
  *)		sim_icache="-r ${enableval}"; icache="${enableval}";;
esac
if test x"$silent" != x"yes" && test x"$icache" != x""; then
  echo "Setting instruction cache size to $icache"
fi],[sim_icache="-r 1024"
if test x"$silent" != x"yes"; then
  echo "Setting instruction cache size to 1024"
fi])dnl

AC_ARG_ENABLE(sim-inline,
[  --enable-sim-inline=inlines		Specify which functions should be inlined.],
[sim_inline=""
case "$enableval" in
  no)		sim_inline="-DDEFAULT_INLINE=0 -DINLINE=";;
  0)		sim_inline="-DDEFAULT_INLINE=0";;
  yes | 2)	sim_inline="-DDEFAULT_INLINE=2";;
  1)		sim_inline="-DDEFAULT_INLINE=1";;
  *) for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
       new_flag=""
       case "$x" in
	 *_INLINE=*)	new_flag="-D$x";;
	 *_INLINE)	new_flag="-D$x=2";;
	 *=*)		new_flag=`echo "$x" | sed -e "s/=/_INLINE=/" -e "s/^/-D/"`;;
	 *)		new_flag="-D$x""_INLINE=2";;
       esac
       if test x"$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=1"
  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-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-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-hostendian,
[  --enable-sim-hostendain=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],[sim_hostendian=""])dnl

AC_ARG_ENABLE(sim-smp,
[  --enable-sim-smp=n			Specify number of processors to configure for.],
[case "${enableval}" in
  yes)	sim_smp="-DWITH_SMP=5";;
  no)	sim_smp="-DWITH_SMP=0";;
  *)	sim_smp="-DWITH_SMP=$enableval";;
esac
if test x"$silent" != x"yes" && test x"$sim_smp" != x""; then
  echo "Setting smp flags = $sim_smp" 6>&1
fi],[sim_smp="-DWITH_SMP=0"
if test x"$silent" != x"yes"; then
  echo "Setting smp flags = $sim_smp" 6>&1
fi])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],[sim_xor_endian=""])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-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-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-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-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-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-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-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-float,
[  --enable-sim-float			Specify whether to use host floating point or simulate.],
[case "${enableval}" in
  yes | hard)	sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT";;
  no | soft)	sim_float="-DWITH_FLOATING_POINT=SOFT_FLOATING_POINT";;
  *)		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],[sim_float=""])dnl

AC_ARG_ENABLE(sim-monitor,
[  --enable-sim-monitor=mon		Specify whether to enable monitoring events.],
[case "${enableval}" in
  yes)		sim_mon="-DWITH_MON='MONITOR_INSTRUCTION_ISSUE | MONITOR_LOAD_STORE_UNIT'";;
  no)		sim_mon="-DWITH_MON=0";;
  instruction)	sim_mon="-DWITH_MON=MONITOR_INSTRUCTION_ISSUE";;
  memory)	sim_mon="-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_mon" != x""; then
  echo "Setting monitor flags = $sim_mon" 6>&1
fi],[sim_mon=""])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-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_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_CONFIG_AUX_DIR(`cd $srcdir;pwd`/../..)
AC_CANONICAL_SYSTEM
AC_ARG_PROGRAM

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

AC_CONFIG_HEADER(config.h:config.in)

AC_PROG_CC
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_config)
AC_SUBST(sim_opcode)
AC_SUBST(sim_switch)
AC_SUBST(sim_dup)
AC_SUBST(sim_filter)
AC_SUBST(sim_icache)
AC_SUBST(sim_inline)
AC_SUBST(sim_bswap)
AC_SUBST(sim_endian)
AC_SUBST(sim_xor_endian)
AC_SUBST(sim_hostendian)
AC_SUBST(sim_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_CHECK_FUNCS(getrusage)

# Put a plausible default for CC_FOR_BUILD in Makefile.
AC_C_CROSS
if test "x$cross_compiling" = "xno"; then
  CC_FOR_BUILD='$(CC)'
else
  CC_FOR_BUILD=gcc
fi
AC_SUBST(CC_FOR_BUILD)

AC_C_BIGENDIAN
AC_SUBST(WORDS_BIGENDIAN)

AC_CHECK_HEADERS(string.h strings.h stdlib.h time.h sys/types.h sys/time.h sys/times.h unistd.h sys/resource.h)

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