configure.in

这个是LINUX下的GDB调度工具的源码

dnl Process this file with autoconf to produce a configure script.
sinclude(../common/aclocal.m4)
AC_PREREQ(2.5)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

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=
CY_GNU_GETTEXT


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";;
  0 | default | DEFAULT)	sim_alignment="-DWITH_ALIGNMENT=0";;
  *)				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_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"
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_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