sim/common/aclocal.m4

   1 # This file contains common code used by all simulators.
   2 #
   3 # SIM_AC_COMMON invokes AC macros used by all simulators and by the common
   4 # directory.  It is intended to be invoked before any target specific stuff.
   5 # SIM_AC_OUTPUT is a cover function to AC_OUTPUT to generate the Makefile.
   6 # It is intended to be invoked last.
   7 #
   8 # The simulator's configure.in should look like:
   9 #
  10 # dnl Process this file with autoconf to produce a configure script.
  11 # sinclude(../common/aclocal.m4)
  12 # AC_PREREQ(2.5)dnl
  13 # AC_INIT(Makefile.in)
  14 #
  15 # SIM_AC_COMMON
  16 #
  17 # ... target specific stuff ...
  18 #
  19 # SIM_AC_OUTPUT
  20
  21 AC_DEFUN(SIM_AC_COMMON,
  22 [
  23 # autoconf.info says this should be called right after AC_INIT.
  24 AC_CONFIG_HEADER(config.h:config.in)
  25
  26 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/../..)
  27 AC_CANONICAL_SYSTEM
  28 AC_ARG_PROGRAM
  29 AC_PROG_CC
  30 AC_PROG_INSTALL
  31
  32 # Put a plausible default for CC_FOR_BUILD in Makefile.
  33 if test "x$cross_compiling" = "xno"; then
  34   CC_FOR_BUILD='$(CC)'
  35 else
  36   CC_FOR_BUILD=gcc
  37 fi
  38 AC_SUBST(CC_FOR_BUILD)
  39
  40 AC_SUBST(CFLAGS)
  41 AC_SUBST(HDEFINES)
  42 AR=${AR-ar}
  43 AC_SUBST(AR)
  44 AC_PROG_RANLIB
  45
  46 # Check for common headers.
  47 # FIXME: Seems to me this can cause problems for i386-windows hosts.
  48 # At one point there were hardcoded AC_DEFINE's if ${host} = i386-*-windows*.
  49 AC_CHECK_HEADERS(stdlib.h string.h strings.h unistd.h time.h sys/time.h sys/resource.h)
  50 AC_CHECK_FUNCS(getrusage time)
  51
  52 . ${srcdir}/../../bfd/configure.host
  53
  54 dnl Standard (and optional) simulator options.
  55 dnl Eventually all simulators will support these.
  56 dnl Do not add any here that cannot be supported by all simulators.
  57 dnl Do not add similar but different options to a particular simulator,
  58 dnl all shall eventually behave the same way.
  59
  60
  61 dnl This is a generic option to enable special byte swapping
  62 dnl insns on *any* cpu.
  63 AC_ARG_ENABLE(sim-bswap,
  64 [  --enable-sim-bswap                   Use Host specific BSWAP instruction.],
  65 [case "${enableval}" in
  66   yes)  sim_bswap="-DWITH_BSWAP=1 -DUSE_BSWAP=1";;
  67   no)   sim_bswap="-DWITH_BSWAP=0";;
  68   *)    AC_MSG_ERROR("--enable-sim-bswap does not take a value"); sim_bswap="";;
  69 esac
  70 if test x"$silent" != x"yes" && test x"$sim_bswap" != x""; then
  71   echo "Setting bswap flags = $sim_bswap" 6>&1
  72 fi],[sim_bswap=""])dnl
  73 AC_SUBST(sim_bswap)
  74
  75
  76 AC_ARG_ENABLE(sim-cflags,
  77 [  --enable-sim-cflags=opts             Extra CFLAGS for use in building simulator],
  78 [case "${enableval}" in
  79   yes)   sim_cflags="-O2";;
  80   trace) AC_MSG_ERROR("Please use --enable-sim-debug instead."); sim_cflags="";;
  81   no)    sim_cflags="";;
  82   *)     sim_cflags=`echo "${enableval}" | sed -e "s/,/ /g"`;;
  83 esac
  84 if test x"$silent" != x"yes" && test x"$sim_cflags" != x""; then
  85   echo "Setting sim cflags = $sim_cflags" 6>&1
  86 fi],[sim_cflags=""])dnl
  87 AC_SUBST(sim_cflags)
  88
  89
  90 dnl --enable-sim-debug is for developers of the simulator
  91 dnl the allowable values are work-in-progress
  92 AC_ARG_ENABLE(sim-debug,
  93 [  --enable-sim-debug=opts              Enable debugging flags],
  94 [case "${enableval}" in
  95   yes) sim_debug="-DDEBUG=7 -DWITH_DEBUG=7";;
  96   no)  sim_debug="-DDEBUG=0 -DWITH_DEBUG=0";;
  97   *)   sim_debug="-DDEBUG='(${enableval})' -DWITH_DEBUG='(${enableval})'";;
  98 esac
  99 if test x"$silent" != x"yes" && test x"$sim_debug" != x""; then
 100   echo "Setting sim debug = $sim_debug" 6>&1
 101 fi],[sim_debug=""])dnl
 102 AC_SUBST(sim_debug)
 103
 104
 105 dnl --enable-sim-stdio is for users of the simulator
 106 dnl It determines if IO from the program is routed through STDIO (buffered)
 107 AC_ARG_ENABLE(sim-stdio,
 108 [  --enable-sim-stdio                   Specify whether to use stdio for console input/output.],
 109 [case "${enableval}" in
 110   yes)  sim_stdio="-DWITH_STDIO=DO_USE_STDIO";;
 111   no)   sim_stdio="-DWITH_STDIO=DONT_USE_STDIO";;
 112   *)    AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-stdio"); sim_stdio="";;
 113 esac
 114 if test x"$silent" != x"yes" && test x"$sim_stdio" != x""; then
 115   echo "Setting stdio flags = $sim_stdio" 6>&1
 116 fi],[sim_stdio=""])dnl
 117 AC_SUBST(sim_stdio)
 118
 119
 120 dnl --enable-sim-trace is for users of the simulator
 121 dnl the allowable values are work-in-progress
 122 AC_ARG_ENABLE(sim-trace,
 123 [  --enable-sim-trace=opts              Enable tracing flags],
 124 [case "${enableval}" in
 125   yes)  sim_trace="-DTRACE=1 -DWITH_TRACE=1";;
 126   no)   sim_trace="-DTRACE=0 -DWITH_TRACE=0";;
 127   *)    sim_trace="-DTRACE='(${enableval})' -DWITH_TRACE='(${enableval})'";;
 128 esac
 129 if test x"$silent" != x"yes" && test x"$sim_trace" != x""; then
 130   echo "Setting sim trace = $sim_trace" 6>&1
 131 fi],[sim_trace=""])dnl
 132 AC_SUBST(sim_trace)
 133
 134
 135 dnl Types used by common code
 136 AC_TYPE_SIGNAL
 137
 138
 139 dnl These are available to append to as desired.
 140 sim_link_files=
 141 sim_link_links=
 142
 143 dnl Create tconfig.h either from simulator's tconfig.in or default one
 144 dnl in common.
 145 sim_link_links=tconfig.h
 146 if test -f ${srcdir}/tconfig.in
 147 then
 148   sim_link_files=tconfig.in
 149 else
 150   sim_link_files=../common/tconfig.in
 151 fi
 152
 153 # targ-vals.def points to the libc macro description file.
 154 case "${target}" in
 155 *-*-*) TARG_VALS_DEF=../common/nltvals.def ;;
 156 esac
 157 sim_link_files="${sim_link_files} ${TARG_VALS_DEF}"
 158 sim_link_links="${sim_link_links} targ-vals.def"
 159
 160 ]) dnl End of SIM_AC_COMMON
 161
 162
 163 dnl Additional SIM options that can (optionally) be configured
 164 dnl For optional simulator options, a macro SIM_AC_OPTION_* is defined.
 165 dnl Simulators that wish to use the relevant option specify the macro
 166 dnl in the simulator specific configure.in file between the SIM_AC_COMMON
 167 dnl and SIM_AC_OUTPUT lines.
 168
 169
 170 dnl Specify the alignment restrictions of the target architecture.
 171 dnl Without this option all possible alignment restrictions are accomidated.
 172 AC_DEFUN(SIM_AC_OPTION_ALIGNMENT,
 173 [
 174 AC_ARG_ENABLE(sim-alignment,
 175 [  --enable-sim-alignment=align         Specify strict or nonstrict alignment.],
 176 [case "${enableval}" in
 177   yes | strict | STRICT)        sim_alignment="-DWITH_ALIGNMENT=STRICT_ALIGNMENT";;
 178   no | nonstrict | NONSTRICT)   sim_alignment="-DWITH_ALIGNMENT=NONSTRICT_ALIGNMENT";;
 179   0 | default | DEFAULT)        sim_alignment="-DWITH_ALIGNMENT=0";;
 180   *)                            AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-alignment"); sim_alignment="";;
 181 esac
 182 if test x"$silent" != x"yes" && test x"$sim_alignment" != x""; then
 183   echo "Setting alignment flags = $sim_alignment" 6>&1
 184 fi],[sim_alignment=""])dnl
 185 AC_SUBST(sim_alignment)
 186 ])dnl
 187
 188
 189 dnl Conditionally compile in assertion statements.
 190 AC_DEFUN(SIM_AC_OPTION_ASSERT,
 191 [
 192 AC_ARG_ENABLE(sim-assert,
 193 [  --enable-sim-assert                  Specify whether to perform random assertions.],
 194 [case "${enableval}" in
 195   yes)  sim_assert="-DWITH_ASSERT=1";;
 196   no)   sim_assert="-DWITH_ASSERT=0";;
 197   *)    AC_MSG_ERROR("--enable-sim-assert does not take a value"); sim_assert="";;
 198 esac
 199 if test x"$silent" != x"yes" && test x"$sim_assert" != x""; then
 200   echo "Setting assert flags = $sim_assert" 6>&1
 201 fi],[sim_assert=""])dnl
 202 AC_SUBST(sim_assert)
 203 ])
 204
 205
 206 dnl --enable-sim-endian={yes,no,big,little} is for simulators
 207 dnl that support both big and little endian targets.
 208 AC_DEFUN(SIM_AC_OPTION_ENDIAN,
 209 [
 210 default_sim_endian="ifelse([$1],,,-DWITH_TARGET_BYTE_ORDER=[$1])"
 211 AC_ARG_ENABLE(sim-endian,
 212 [  --enable-sim-endian=endian           Specify target byte endian orientation.],
 213 [case "${enableval}" in
 214   yes)  case "$target" in
 215           *powerpc-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BIG_ENDIAN";;
 216           *powerpcle-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=LITTLE_ENDIAN";;
 217           *) echo "Unknown target $target" 1>&6; sim_endian="-DWITH_TARGET_BYTE_ORDER=0";;
 218         esac;;
 219   no)    sim_endian="-DWITH_TARGET_BYTE_ORDER=0";;
 220   b*|B*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BIG_ENDIAN";;
 221   l*|L*) sim_endian="-DWITH_TARGET_BYTE_ORDER=LITTLE_ENDIAN";;
 222   *)     AC_MSG_ERROR("Unknown value $enableval for --enable-sim-endian"); sim_endian="";;
 223 esac
 224 if test x"$silent" != x"yes" && test x"$sim_endian" != x""; then
 225   echo "Setting endian flags = $sim_endian" 6>&1
 226 fi],[sim_endian="${default_sim_endian}"])dnl
 227 AC_SUBST(sim_endian)
 228 ])
 229
 230
 231 dnl --enable-sim-hostendian is for users of the simulator when
 232 dnl they find that AC_C_BIGENDIAN does not function correctly
 233 dnl (for instance in a canadian cross)
 234 AC_DEFUN(SIM_AC_OPTION_HOSTENDIAN,
 235 [
 236 AC_ARG_ENABLE(sim-hostendian,
 237 [  --enable-sim-hostendain=end          Specify host byte endian orientation.],
 238 [case "${enableval}" in
 239   no)    sim_hostendian="-DWITH_HOST_BYTE_ORDER=0";;
 240   b*|B*) sim_hostendian="-DWITH_HOST_BYTE_ORDER=BIG_ENDIAN";;
 241   l*|L*) sim_hostendian="-DWITH_HOST_BYTE_ORDER=LITTLE_ENDIAN";;
 242   *)     AC_MSG_ERROR("Unknown value $enableval for --enable-sim-hostendian"); sim_hostendian="";;
 243 esac
 244 if test x"$silent" != x"yes" && test x"$sim_hostendian" != x""; then
 245   echo "Setting hostendian flags = $sim_hostendian" 6>&1
 246 fi],[
 247 if test "x$cross_compiling" = "xno"; then
 248   AC_C_BIGENDIAN
 249   if test $ac_cv_c_bigendian = yes; then
 250     sim_hostendian="-DWITH_HOST_BYTE_ORDER=BIG_ENDIAN"
 251   else
 252     sim_hostendian="-DWITH_HOST_BYTE_ORDER=LITTLE_ENDIAN"
 253   fi
 254 else
 255   sim_hostendian="-DWITH_HOST_BYTE_ORDER=0"
 256 fi])dnl
 257 AC_SUBST(sim_hostendian)
 258 ])
 259
 260
 261 AC_DEFUN(SIM_AC_OPTION_FLOAT,
 262 [
 263 default_sim_floating_point="ifelse([$1],,0,[$1])"
 264 AC_ARG_ENABLE(sim-float,
 265 [  --enable-sim-float                   Specify that the target processor has floating point hardware.],
 266 [case "${enableval}" in
 267   yes | hard)   sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT";;
 268   no | soft)    sim_float="-DWITH_FLOATING_POINT=SOFT_FLOATING_POINT";;
 269   *)            AC_MSG_ERROR("Unknown value $enableval passed to --enable-sim-float"); sim_float="";;
 270 esac
 271 if test x"$silent" != x"yes" && test x"$sim_float" != x""; then
 272   echo "Setting float flags = $sim_float" 6>&1
 273 fi],[sim_float="-DWITH_FLOATING_POINT=${default_sim_floating_point}"])dnl
 274 AC_SUBST(sim_float)
 275 ])
 276
 277
 278 AC_DEFUN(SIM_AC_OPTION_HARDWARE,
 279 [
 280 AC_ARG_ENABLE(sim-hardware,
 281 [  --enable-sim-hardware=list           Specify the hardware to be included in the build.],
 282 [hardware="cpu,memory,nvram,iobus,htab,disk,trace,register,vm,init,core,pal,com,eeprom,opic,glue,phb,ide"
 283 case "${enableval}" in
 284   yes)  ;;
 285   no)   AC_MSG_ERROR("List of hardware must be specified for --enable-sim-hardware"); hardware="";;
 286   ,*)   hardware="${hardware}${enableval}";;
 287   *,)   hardware="${enableval}${hardware}";;
 288   *)    hardware="${enableval}"'';;
 289 esac
 290 sim_hw_src=`echo $hardware | sed -e 's/,/.c hw_/g' -e 's/^/hw_/' -e s'/$/.c/'`
 291 sim_hw_obj=`echo $sim_hw_src | sed -e 's/\.c/.o/g'`
 292 if test x"$silent" != x"yes" && test x"$hardware" != x""; then
 293   echo "Setting hardware to $sim_hw_src, $sim_hw_obj"
 294 fi],[hardware="cpu,memory,nvram,iobus,htab,disk,trace,register,vm,init,core,pal,com,eeprom,opic,glue,phb,ide"
 295 sim_hw_src=`echo $hardware | sed -e 's/,/.c hw_/g' -e 's/^/hw_/' -e s'/$/.c/'`
 296 sim_hw_obj=`echo $sim_hw_src | sed -e 's/\.c/.o/g'`
 297 if test x"$silent" != x"yes"; then
 298   echo "Setting hardware to $sim_hw_src, $sim_hw_obj"
 299 fi])dnl
 300 AC_SUBST(sim_hardware)
 301 ])
 302
 303
 304 dnl --enable-sim-inline is for users that wish to ramp up the simulator's
 305 dnl performance by inlining functions.
 306 AC_DEFUN(SIM_AC_OPTION_INLINE,
 307 [
 308 default_sim_inline="ifelse([$1],,,-DDEFAULT_INLINE=[$1])"
 309 AC_ARG_ENABLE(sim-inline,
 310 [  --enable-sim-inline=inlines          Specify which functions should be inlined.],
 311 [sim_inline=""
 312 case "$enableval" in
 313   no)           sim_inline="-DDEFAULT_INLINE=0";;
 314   0)            sim_inline="-DDEFAULT_INLINE=0";;
 315   yes | 2)      sim_inline="-DDEFAULT_INLINE=ALL_INLINE";;
 316   1)            sim_inline="-DDEFAULT_INLINE=INLINE_LOCALS";;
 317   *) for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
 318        new_flag=""
 319        case "$x" in
 320          *_INLINE=*)    new_flag="-D$x";;
 321          *=*)           new_flag=`echo "$x" | sed -e "s/=/_INLINE=/" -e "s/^/-D/"`;;
 322          *_INLINE)      new_flag="-D$x=ALL_INLINE";;
 323          *)             new_flag="-D$x""_INLINE=ALL_INLINE";;
 324        esac
 325        if test x"$sim_inline" = x""; then
 326          sim_inline="$new_flag"
 327        else
 328          sim_inline="$sim_inline $new_flag"
 329        fi
 330      done;;
 331 esac
 332 if test x"$silent" != x"yes" && test x"$sim_inline" != x""; then
 333   echo "Setting inline flags = $sim_inline" 6>&1
 334 fi],[if test x"$GCC" != "x" -a x"${default_sim_inline}" != "x" ; then
 335   sim_inline="${default_sim_inline}"
 336   if test x"$silent" != x"yes"; then
 337     echo "Setting inline flags = $sim_inline" 6>&1
 338   fi
 339 else
 340   sim_inline=""
 341 fi])dnl
 342 AC_SUBST(sim_inline)
 343 ])
 344
 345
 346 AC_DEFUN(SIM_AC_OPTION_PACKAGES,
 347 [
 348 AC_ARG_ENABLE(sim-packages,
 349 [  --enable-sim-packages=list           Specify the packages to be included in the build.],
 350 [packages=disklabel
 351 case "${enableval}" in
 352   yes)  ;;
 353   no)   AC_MSG_ERROR("List of packages must be specified for --enable-sim-packages"); packages="";;
 354   ,*)   packages="${packages}${enableval}";;
 355   *,)   packages="${enableval}${packages}";;
 356   *)    packages="${enableval}"'';;
 357 esac
 358 sim_pk_src=`echo $packages | sed -e 's/,/.c pk_/g' -e 's/^/pk_/' -e 's/$/.c/'`
 359 sim_pk_obj=`echo $sim_pk_src | sed -e 's/\.c/.o/g'`
 360 if test x"$silent" != x"yes" && test x"$packages" != x""; then
 361   echo "Setting packages to $sim_pk_src, $sim_pk_obj"
 362 fi],[packages=disklabel
 363 sim_pk_src=`echo $packages | sed -e 's/,/.c pk_/g' -e 's/^/pk_/' -e 's/$/.c/'`
 364 sim_pk_obj=`echo $sim_pk_src | sed -e 's/\.c/.o/g'`
 365 if test x"$silent" != x"yes"; then
 366   echo "Setting packages to $sim_pk_src, $sim_pk_obj"
 367 fi])dnl
 368 AC_SUBST(sim_packages)
 369 ])
 370
 371
 372 AC_DEFUN(SIM_AC_OPTION_REGPARM,
 373 [
 374 AC_ARG_ENABLE(sim-regparm,
 375 [  --enable-sim-regparm=nr-parm         Pass parameters in registers instead of on the stack - x86/GCC specific.],
 376 [case "${enableval}" in
 377   0*|1*|2*|3*|4*|5*|6*|7*|8*|9*) sim_regparm="-DWITH_REGPARM=${enableval}";;
 378   no)                            sim_regparm="" ;;
 379   yes)                           sim_regparm="-DWITH_REGPARM=3";;
 380   *)   AC_MSG_ERROR("Unknown value $enableval for --enable-sim-regparm"); sim_regparm="";;
 381 esac
 382 if test x"$silent" != x"yes" && test x"$sim_regparm" != x""; then
 383   echo "Setting regparm flags = $sim_regparm" 6>&1
 384 fi],[sim_regparm=""])dnl
 385 AC_SUBST(sim_regparm)
 386 ])
 387
 388
 389 AC_DEFUN(SIM_AC_OPTION_RESERVED_BITS,
 390 [
 391 default_sim_reserved_bits="ifelse([$1],,1,[$1])"
 392 AC_ARG_ENABLE(sim-reserved-bits,
 393 [  --enable-sim-reserved-bits           Specify whether to check reserved bits in instruction.],
 394 [case "${enableval}" in
 395   yes)  sim_reserved_bits="-DWITH_RESERVED_BITS=1";;
 396   no)   sim_reserved_bits="-DWITH_RESERVED_BITS=0";;
 397   *)    AC_MSG_ERROR("--enable-sim-reserved-bits does not take a value"); sim_reserved_bits="";;
 398 esac
 399 if test x"$silent" != x"yes" && test x"$sim_reserved_bits" != x""; then
 400   echo "Setting reserved flags = $sim_reserved_bits" 6>&1
 401 fi],[sim_reserved_bits="-DWITH_RESERVED_BITS=${default_sim_reserved_bits}"])dnl
 402 AC_SUBST(sim_reserved_bits)
 403 ])
 404
 405
 406 AC_DEFUN(SIM_AC_OPTION_SMP,
 407 [
 408 default_sim_smp="ifelse([$1],,5,[$1])"
 409 AC_ARG_ENABLE(sim-smp,
 410 [  --enable-sim-smp=n                   Specify number of processors to configure for (default ${default_sim_smp}).],
 411 [case "${enableval}" in
 412   yes)  sim_smp="-DWITH_SMP=5" ; sim_igen_smp="-N 5";;
 413   no)   sim_smp="-DWITH_SMP=0" ; sim_igen_smp="-N 0";;
 414   *)    sim_smp="-DWITH_SMP=$enableval" ; sim_igen_smp="-N $enableval";;
 415 esac
 416 if test x"$silent" != x"yes" && test x"$sim_smp" != x""; then
 417   echo "Setting smp flags = $sim_smp" 6>&1
 418 fi],[sim_smp="-DWITH_SMP=${default_sim_smp}" ; sim_igen_smp="-N ${default_sim_smp}"
 419 if test x"$silent" != x"yes"; then
 420   echo "Setting smp flags = $sim_smp" 6>&1
 421 fi])dnl
 422 AC_SUBST(sim_smp)
 423 ])
 424
 425
 426 AC_DEFUN(SIM_AC_OPTION_STDCALL,
 427 [
 428 AC_ARG_ENABLE(sim-stdcall,
 429 [  --enable-sim-stdcall=type            Use an alternative function call/return mechanism - x86/GCC specific.],
 430 [case "${enableval}" in
 431   no)           sim_stdcall="" ;;
 432   std*)         sim_stdcall="-DWITH_STDCALL=1";;
 433   yes)          sim_stdcall="-DWITH_STDCALL=1";;
 434   *)   AC_MSG_ERROR("Unknown value $enableval for --enable-sim-stdcall"); sim_stdcall="";;
 435 esac
 436 if test x"$silent" != x"yes" && test x"$sim_stdcall" != x""; then
 437   echo "Setting function call flags = $sim_stdcall" 6>&1
 438 fi],[sim_stdcall=""])dnl
 439 AC_SUBST(sim_stdcall)
 440 ])
 441
 442
 443 AC_DEFUN(SIM_AC_OPTION_XOR_ENDIAN,
 444 [
 445 default_sim_xor_endian="ifelse([$1],,8,[$1])"
 446 AC_ARG_ENABLE(sim-xor-endian,
 447 [  --enable-sim-xor-endian=n            Specify number bytes involved in XOR bi-endian mode (default ${default_sim_xor_endian}).],
 448 [case "${enableval}" in
 449   yes)  sim_xor_endian="-DWITH_XOR_ENDIAN=8";;
 450   no)   sim_xor_endian="-DWITH_XOR_ENDIAN=0";;
 451   *)    sim_xor_endian="-DWITH_XOR_ENDIAN=$enableval";;
 452 esac
 453 if test x"$silent" != x"yes" && test x"$sim_xor_endian" != x""; then
 454   echo "Setting xor-endian flag = $sim_xor_endian" 6>&1
 455 fi],[sim_xor_endian="-DWITH_XOR_ENDIAN=${default_sim_xor_endian}"])dnl
 456 AC_SUBST(sim_xor_endian)
 457 ])
 458
 459
 460 dnl --enable-sim-warnings is for developers of the simulator.
 461 dnl it enables extra GCC specific warnings.
 462 AC_DEFUN(SIM_AC_OPTION_WARNINGS,
 463 [
 464 AC_ARG_ENABLE(sim-warnings,
 465 [  --enable-sim-warnings=opts           Extra CFLAGS for turning on compiler warnings except for idecode.o, semantics.o and psim.o],
 466 [case "${enableval}" in
 467   yes)  sim_warnings="-Werror -Wall -Wpointer-arith -Wmissing-prototypes -Wmissing-declarations ";;
 468   no)   sim_warnings="-w";;
 469   *)    sim_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
 470 esac
 471 if test x"$silent" != x"yes" && test x"$sim_warnings" != x""; then
 472   echo "Setting warning flags = $sim_warnings" 6>&1
 473 fi],[sim_warnings=""])dnl
 474 AC_SUBST(sim_warnings)
 475 ])
 476
 477
 478 dnl Generate the Makefile in a target specific directory.
 479 dnl Substitutions aren't performed on the file in AC_SUBST_FILE,
 480 dnl so this is a cover macro to tuck the details away of how we cope.
 481 dnl We cope by having autoconf generate two files and then merge them into
 482 dnl one afterwards.  The two pieces of the common fragment are inserted into
 483 dnl the target's fragment at the appropriate points.
 484
 485 AC_DEFUN(SIM_AC_OUTPUT,
 486 [
 487 AC_LINK_FILES($sim_link_files, $sim_link_links)
 488 AC_OUTPUT(Makefile.sim:Makefile.in Make-common.sim:../common/Make-common.in,
 489 [case "x$CONFIG_FILES" in xMakefile*)
 490    echo "Merging Makefile.sim+Make-common.sim into Makefile ..."
 491    rm -f Makesim1.tmp Makesim2.tmp Makefile
 492    sed -n -e '/^## COMMON_PRE_/,/^## End COMMON_PRE_/ p' <Make-common.sim >Makesim1.tmp
 493    sed -n -e '/^## COMMON_POST_/,/^## End COMMON_POST_/ p' <Make-common.sim >Makesim2.tmp
 494    sed -e '/^## COMMON_PRE_/ r Makesim1.tmp' \
 495         -e '/^## COMMON_POST_/ r Makesim2.tmp' \
 496         <Makefile.sim >Makefile
 497    rm -f Makefile.sim Make-common.sim Makesim1.tmp Makesim2.tmp
 498    ;;
 499  esac
 500  case "x$CONFIG_HEADERS" in xconfig.h:config.in) echo > stamp-h ;; esac
 501 ])
 502 ])