sim/ppc/configure

   1 #! /bin/sh
   2
   3 # Guess values for system-dependent variables and create Makefiles.
   4 # Generated automatically using autoconf version 2.4
   5 # Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
   6 #
   7 # This configure script is free software; the Free Software Foundation
   8 # gives unlimited permission to copy, distribute and modify it.
   9
  10 # Defaults:
  11 ac_help=
  12 ac_default_prefix=/usr/local
  13 # Any additions from configure.in:
  14 ac_help="$ac_help
  15   --enable-sim-cflags=opts              Extra CFLAGS for use in building simulator"
  16 ac_help="$ac_help
  17   --enable-sim-warnings=opts            Extra CFLAGS for turning on compiler warnings except for idecode.o, semantics.o and psim.o"
  18 ac_help="$ac_help
  19   --enable-sim-config=file              Override default config file"
  20 ac_help="$ac_help
  21   --enable-sim-opcode=which             Override default opcode lookup."
  22 ac_help="$ac_help
  23   --enable-sim-switch                   Use a switch instead of a table for instruction call."
  24 ac_help="$ac_help
  25   --enable-sim-duplicate                Expand (duplicate) semantic functions."
  26 ac_help="$ac_help
  27   --enable-sim-filter=rule              Specify filter rules."
  28 ac_help="$ac_help
  29   --enable-sim-icache=size              Specify instruction cache size."
  30 ac_help="$ac_help
  31   --enable-sim-inline=inlines           Specify which functions should be inlined."
  32 ac_help="$ac_help
  33   --enable-sim-bswap                    Use the BSWAP instruction on Intel 486s and Pentiums."
  34 ac_help="$ac_help
  35   --enable-sim-endian=endian            Specify target byte endian orientation."
  36 ac_help="$ac_help
  37   --enable-sim-hostendain=end           Specify host byte endian orientation."
  38 ac_help="$ac_help
  39   --enable-sim-smp=n                    Specify number of processors to configure for."
  40 ac_help="$ac_help
  41   --enable-sim-xor-endian=n             Specify number bytes involved in PowerPC XOR bi-endian mode (default 8)."
  42 ac_help="$ac_help
  43   --enable-sim-bitsize=n                Specify target bitsize (32 or 64)."
  44 ac_help="$ac_help
  45   --enable-sim-hostbitsize=32|64        Specify host bitsize (32 or 64)."
  46 ac_help="$ac_help
  47   --enable-sim-env=env                  Specify target environment (operating, virtual, user)."
  48 ac_help="$ac_help
  49   --enable-sim-timebase                 Specify whether the PPC timebase is supported."
  50 ac_help="$ac_help
  51   --enable-sim-alignment=align          Specify strict or nonstrict alignment."
  52 ac_help="$ac_help
  53   --enable-sim-trace                    Specify whether tracing is supported."
  54 ac_help="$ac_help
  55   --enable-sim-assert                   Specify whether to perform random assertions."
  56 ac_help="$ac_help
  57   --enable-sim-reserved-bits            Specify whether to check reserved bits in instruction."
  58 ac_help="$ac_help
  59   --enable-sim-float                    Specify whether to use host floating point or simulate."
  60 ac_help="$ac_help
  61   --enable-sim-monitor=mon              Specify whether to enable monitoring events."
  62 ac_help="$ac_help
  63   --enable-sim-model=which              Specify PowerPC to model."
  64 ac_help="$ac_help
  65   --enable-sim-default-model=which      Specify default PowerPC to model."
  66 ac_help="$ac_help
  67   --enable-sim-model-issue              Specify whether to simulate model specific actions"
  68
  69 # Initialize some variables set by options.
  70 # The variables have the same names as the options, with
  71 # dashes changed to underlines.
  72 build=NONE
  73 cache_file=./config.cache
  74 exec_prefix=NONE
  75 host=NONE
  76 no_create=
  77 nonopt=NONE
  78 no_recursion=
  79 prefix=NONE
  80 program_prefix=NONE
  81 program_suffix=NONE
  82 program_transform_name=s,x,x,
  83 silent=
  84 site=
  85 srcdir=
  86 target=NONE
  87 verbose=
  88 x_includes=NONE
  89 x_libraries=NONE
  90
  91 # Initialize some other variables.
  92 subdirs=
  93
  94 ac_prev=
  95 for ac_option
  96 do
  97
  98   # If the previous option needs an argument, assign it.
  99   if test -n "$ac_prev"; then
 100     eval "$ac_prev=\$ac_option"
 101     ac_prev=
 102     continue
 103   fi
 104
 105   case "$ac_option" in
 106   -*=*) ac_optarg=`echo "$ac_option" | sed 's/[-_a-zA-Z0-9]*=//'` ;;
 107   *) ac_optarg= ;;
 108   esac
 109
 110   # Accept the important Cygnus configure options, so we can diagnose typos.
 111
 112   case "$ac_option" in
 113
 114   -build | --build | --buil | --bui | --bu | --b)
 115     ac_prev=build ;;
 116   -build=* | --build=* | --buil=* | --bui=* | --bu=* | --b=*)
 117     build="$ac_optarg" ;;
 118
 119   -cache-file | --cache-file | --cache-fil | --cache-fi \
 120   | --cache-f | --cache- | --cache | --cach | --cac | --ca | --c)
 121     ac_prev=cache_file ;;
 122   -cache-file=* | --cache-file=* | --cache-fil=* | --cache-fi=* \
 123   | --cache-f=* | --cache-=* | --cache=* | --cach=* | --cac=* | --ca=* | --c=*)
 124     cache_file="$ac_optarg" ;;
 125
 126   -disable-* | --disable-*)
 127     ac_feature=`echo $ac_option|sed -e 's/-*disable-//'`
 128     # Reject names that are not valid shell variable names.
 129     if test -n "`echo $ac_feature| sed 's/[-a-zA-Z0-9_]//g'`"; then
 130       { echo "configure: error: $ac_feature: invalid feature name" 1>&2; exit 1; }
 131     fi
 132     ac_feature=`echo $ac_feature| sed 's/-/_/g'`
 133     eval "enable_${ac_feature}=no" ;;
 134
 135   -enable-* | --enable-*)
 136     ac_feature=`echo $ac_option|sed -e 's/-*enable-//' -e 's/=.*//'`
 137     # Reject names that are not valid shell variable names.
 138     if test -n "`echo $ac_feature| sed 's/[-_a-zA-Z0-9]//g'`"; then
 139       { echo "configure: error: $ac_feature: invalid feature name" 1>&2; exit 1; }
 140     fi
 141     ac_feature=`echo $ac_feature| sed 's/-/_/g'`
 142     case "$ac_option" in
 143       *=*) ;;
 144       *) ac_optarg=yes ;;
 145     esac
 146     eval "enable_${ac_feature}='$ac_optarg'" ;;
 147
 148   -exec-prefix | --exec_prefix | --exec-prefix | --exec-prefi \
 149   | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec- \
 150   | --exec | --exe | --ex)
 151     ac_prev=exec_prefix ;;
 152   -exec-prefix=* | --exec_prefix=* | --exec-prefix=* | --exec-prefi=* \
 153   | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* \
 154   | --exec=* | --exe=* | --ex=*)
 155     exec_prefix="$ac_optarg" ;;
 156
 157   -gas | --gas | --ga | --g)
 158     # Obsolete; use --with-gas.
 159     with_gas=yes ;;
 160
 161   -help | --help | --hel | --he)
 162     # Omit some internal or obsolete options to make the list less imposing.
 163     # This message is too long to be a string in the A/UX 3.1 sh.
 164     cat << EOF
 165 Usage: configure [options] [host]
 166 Options: [defaults in brackets after descriptions]
 167 Configuration:
 168   --cache-file=FILE       cache test results in FILE
 169   --help                  print this message
 170   --no-create             do not create output files
 171   --quiet, --silent       do not print \`checking...' messages
 172   --version               print the version of autoconf that created configure
 173 Directory and file names:
 174   --prefix=PREFIX         install architecture-independent files in PREFIX
 175                           [$ac_default_prefix]
 176   --exec-prefix=PREFIX    install architecture-dependent files in PREFIX
 177                           [same as prefix]
 178   --srcdir=DIR            find the sources in DIR [configure dir or ..]
 179   --program-prefix=PREFIX prepend PREFIX to installed program names
 180   --program-suffix=SUFFIX append SUFFIX to installed program names
 181   --program-transform-name=PROGRAM run sed PROGRAM on installed program names
 182 Host type:
 183   --build=BUILD           configure for building on BUILD [BUILD=HOST]
 184   --host=HOST             configure for HOST [guessed]
 185   --target=TARGET         configure for TARGET [TARGET=HOST]
 186 Features and packages:
 187   --disable-FEATURE       do not include FEATURE (same as --enable-FEATURE=no)
 188   --enable-FEATURE[=ARG]  include FEATURE [ARG=yes]
 189   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
 190   --without-PACKAGE       do not use PACKAGE (same as --with-PACKAGE=no)
 191   --x-includes=DIR        X include files are in DIR
 192   --x-libraries=DIR       X library files are in DIR
 193 --enable and --with options recognized:$ac_help
 194 EOF
 195     exit 0 ;;
 196
 197   -host | --host | --hos | --ho)
 198     ac_prev=host ;;
 199   -host=* | --host=* | --hos=* | --ho=*)
 200     host="$ac_optarg" ;;
 201
 202   -nfp | --nfp | --nf)
 203     # Obsolete; use --without-fp.
 204     with_fp=no ;;
 205
 206   -no-create | --no-create | --no-creat | --no-crea | --no-cre \
 207   | --no-cr | --no-c)
 208     no_create=yes ;;
 209
 210   -no-recursion | --no-recursion | --no-recursio | --no-recursi \
 211   | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r)
 212     no_recursion=yes ;;
 213
 214   -prefix | --prefix | --prefi | --pref | --pre | --pr | --p)
 215     ac_prev=prefix ;;
 216   -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=* | --pr=* | --p=*)
 217     prefix="$ac_optarg" ;;
 218
 219   -program-prefix | --program-prefix | --program-prefi | --program-pref \
 220   | --program-pre | --program-pr | --program-p)
 221     ac_prev=program_prefix ;;
 222   -program-prefix=* | --program-prefix=* | --program-prefi=* \
 223   | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
 224     program_prefix="$ac_optarg" ;;
 225
 226   -program-suffix | --program-suffix | --program-suffi | --program-suff \
 227   | --program-suf | --program-su | --program-s)
 228     ac_prev=program_suffix ;;
 229   -program-suffix=* | --program-suffix=* | --program-suffi=* \
 230   | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
 231     program_suffix="$ac_optarg" ;;
 232
 233   -program-transform-name | --program-transform-name \
 234   | --program-transform-nam | --program-transform-na \
 235   | --program-transform-n | --program-transform- \
 236   | --program-transform | --program-transfor \
 237   | --program-transfo | --program-transf \
 238   | --program-trans | --program-tran \
 239   | --progr-tra | --program-tr | --program-t)
 240     ac_prev=program_transform_name ;;
 241   -program-transform-name=* | --program-transform-name=* \
 242   | --program-transform-nam=* | --program-transform-na=* \
 243   | --program-transform-n=* | --program-transform-=* \
 244   | --program-transform=* | --program-transfor=* \
 245   | --program-transfo=* | --program-transf=* \
 246   | --program-trans=* | --program-tran=* \
 247   | --progr-tra=* | --program-tr=* | --program-t=*)
 248     program_transform_name="$ac_optarg" ;;
 249
 250   -q | -quiet | --quiet | --quie | --qui | --qu | --q \
 251   | -silent | --silent | --silen | --sile | --sil)
 252     silent=yes ;;
 253
 254   -site | --site | --sit)
 255     ac_prev=site ;;
 256   -site=* | --site=* | --sit=*)
 257     site="$ac_optarg" ;;
 258
 259   -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
 260     ac_prev=srcdir ;;
 261   -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
 262     srcdir="$ac_optarg" ;;
 263
 264   -target | --target | --targe | --targ | --tar | --ta | --t)
 265     ac_prev=target ;;
 266   -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=* | --t=*)
 267     target="$ac_optarg" ;;
 268
 269   -v | -verbose | --verbose | --verbos | --verbo | --verb)
 270     verbose=yes ;;
 271
 272   -version | --version | --versio | --versi | --vers)
 273     echo "configure generated by autoconf version 2.4"
 274     exit 0 ;;
 275
 276   -with-* | --with-*)
 277     ac_package=`echo $ac_option|sed -e 's/-*with-//' -e 's/=.*//'`
 278     # Reject names that are not valid shell variable names.
 279     if test -n "`echo $ac_package| sed 's/[-_a-zA-Z0-9]//g'`"; then
 280       { echo "configure: error: $ac_package: invalid package name" 1>&2; exit 1; }
 281     fi
 282     ac_package=`echo $ac_package| sed 's/-/_/g'`
 283     case "$ac_option" in
 284       *=*) ;;
 285       *) ac_optarg=yes ;;
 286     esac
 287     eval "with_${ac_package}='$ac_optarg'" ;;
 288
 289   -without-* | --without-*)
 290     ac_package=`echo $ac_option|sed -e 's/-*without-//'`
 291     # Reject names that are not valid shell variable names.
 292     if test -n "`echo $ac_package| sed 's/[-a-zA-Z0-9_]//g'`"; then
 293       { echo "configure: error: $ac_package: invalid package name" 1>&2; exit 1; }
 294     fi
 295     ac_package=`echo $ac_package| sed 's/-/_/g'`
 296     eval "with_${ac_package}=no" ;;
 297
 298   --x)
 299     # Obsolete; use --with-x.
 300     with_x=yes ;;
 301
 302   -x-includes | --x-includes | --x-include | --x-includ | --x-inclu \
 303   | --x-incl | --x-inc | --x-in | --x-i)
 304     ac_prev=x_includes ;;
 305   -x-includes=* | --x-includes=* | --x-include=* | --x-includ=* | --x-inclu=* \
 306   | --x-incl=* | --x-inc=* | --x-in=* | --x-i=*)
 307     x_includes="$ac_optarg" ;;
 308
 309   -x-libraries | --x-libraries | --x-librarie | --x-librari \
 310   | --x-librar | --x-libra | --x-libr | --x-lib | --x-li | --x-l)
 311     ac_prev=x_libraries ;;
 312   -x-libraries=* | --x-libraries=* | --x-librarie=* | --x-librari=* \
 313   | --x-librar=* | --x-libra=* | --x-libr=* | --x-lib=* | --x-li=* | --x-l=*)
 314     x_libraries="$ac_optarg" ;;
 315
 316   -*) { echo "configure: error: $ac_option: invalid option; use --help to show usage" 1>&2; exit 1; }
 317     ;;
 318
 319   *)
 320     if test -n "`echo $ac_option| sed 's/[-a-z0-9.]//g'`"; then
 321       echo "configure: warning: $ac_option: invalid host type" 1>&2
 322     fi
 323     if test "x$nonopt" != xNONE; then
 324       { echo "configure: error: can only configure for one host and one target at a time" 1>&2; exit 1; }
 325     fi
 326     nonopt="$ac_option"
 327     ;;
 328
 329   esac
 330 done
 331
 332 if test -n "$ac_prev"; then
 333   { echo "configure: error: missing argument to --`echo $ac_prev | sed 's/_/-/g'`" 1>&2; exit 1; }
 334 fi
 335
 336 trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15
 337
 338 # File descriptor usage:
 339 # 0 standard input
 340 # 1 file creation
 341 # 2 errors and warnings
 342 # 3 some systems may open it to /dev/tty
 343 # 4 used on the Kubota Titan
 344 # 6 checking for... messages and results
 345 # 5 compiler messages saved in config.log
 346 if test "$silent" = yes; then
 347   exec 6>/dev/null
 348 else
 349   exec 6>&1
 350 fi
 351 exec 5>./config.log
 352
 353 echo "\
 354 This file contains any messages produced by compilers while
 355 running configure, to aid debugging if configure makes a mistake.
 356 " 1>&5
 357
 358 # Strip out --no-create and --no-recursion so they do not pile up.
 359 # Also quote any args containing shell metacharacters.
 360 ac_configure_args=
 361 for ac_arg
 362 do
 363   case "$ac_arg" in
 364   -no-create | --no-create | --no-creat | --no-crea | --no-cre \
 365   | --no-cr | --no-c) ;;
 366   -no-recursion | --no-recursion | --no-recursio | --no-recursi \
 367   | --no-recurs | --no-recur | --no-recu | --no-rec | --no-re | --no-r) ;;
 368   *" "*|*"      "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*)
 369   ac_configure_args="$ac_configure_args '$ac_arg'" ;;
 370   *) ac_configure_args="$ac_configure_args $ac_arg" ;;
 371   esac
 372 done
 373
 374 # NLS nuisances.
 375 # Only set LANG and LC_ALL to C if already set.
 376 # These must not be set unconditionally because not all systems understand
 377 # e.g. LANG=C (notably SCO).
 378 if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
 379 if test "${LANG+set}"   = set; then LANG=C;   export LANG;   fi
 380
 381 # confdefs.h avoids OS command line length limits that DEFS can exceed.
 382 rm -rf conftest* confdefs.h
 383 # AIX cpp loses on an empty file, so make sure it contains at least a newline.
 384 echo > confdefs.h
 385
 386 # A filename unique to this package, relative to the directory that
 387 # configure is in, which we can look for to find out if srcdir is correct.
 388 ac_unique_file=Makefile.in
 389
 390 # Find the source files, if location was not specified.
 391 if test -z "$srcdir"; then
 392   ac_srcdir_defaulted=yes
 393   # Try the directory containing this script, then its parent.
 394   ac_prog=$0
 395   ac_confdir=`echo $ac_prog|sed 's%/[^/][^/]*$%%'`
 396   test "x$ac_confdir" = "x$ac_prog" && ac_confdir=.
 397   srcdir=$ac_confdir
 398   if test ! -r $srcdir/$ac_unique_file; then
 399     srcdir=..
 400   fi
 401 else
 402   ac_srcdir_defaulted=no
 403 fi
 404 if test ! -r $srcdir/$ac_unique_file; then
 405   if test "$ac_srcdir_defaulted" = yes; then
 406     { echo "configure: error: can not find sources in $ac_confdir or .." 1>&2; exit 1; }
 407   else
 408     { echo "configure: error: can not find sources in $srcdir" 1>&2; exit 1; }
 409   fi
 410 fi
 411 srcdir=`echo "${srcdir}" | sed 's%\([^/]\)/*$%\1%'`
 412
 413 # Prefer explicitly selected file to automatically selected ones.
 414 if test -z "$CONFIG_SITE"; then
 415   if test "x$prefix" != xNONE; then
 416     CONFIG_SITE="$prefix/share/config.site $prefix/etc/config.site"
 417   else
 418     CONFIG_SITE="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site"
 419   fi
 420 fi
 421 for ac_site_file in $CONFIG_SITE; do
 422   if test -r "$ac_site_file"; then
 423     echo "loading site script $ac_site_file"
 424     . "$ac_site_file"
 425   fi
 426 done
 427
 428 if test -r "$cache_file"; then
 429   echo "loading cache $cache_file"
 430   . $cache_file
 431 else
 432   echo "creating cache $cache_file"
 433   > $cache_file
 434 fi
 435
 436 ac_ext=c
 437 # CFLAGS is not in ac_cpp because -g, -O, etc. are not valid cpp options.
 438 ac_cpp='$CPP $CPPFLAGS'
 439 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5 2>&5'
 440 ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5 2>&5'
 441
 442 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then
 443   # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu.
 444   if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then
 445     ac_n= ac_c='
 446 ' ac_t='        '
 447   else
 448     ac_n=-n ac_c= ac_t=
 449   fi
 450 else
 451   ac_n= ac_c='\c' ac_t=
 452 fi
 453
 454
 455
 456 # Check whether --enable-sim-cflags or --disable-sim-cflags was given.
 457 enableval="$enable_sim_cflags"
 458 if test -n "$enableval"; then
 459   case "${enableval}" in
 460   yes)  sim_cflags="-O2 -fomit-frame-pointer";;
 461   no)   sim_cflags="";;
 462   *)    sim_cflags=`echo "${enableval}" | sed -e "s/,/ /g"`;;
 463 esac
 464 if test x"$silent" != x"yes" && test x"$sim_cflags" != x""; then
 465   echo "Setting sim cflags = $sim_cflags" 6>&1
 466 fi
 467 else
 468   sim_cflags=""
 469 fi
 470
 471 # Check whether --enable-sim-warnings or --disable-sim-warnings was given.
 472 enableval="$enable_sim_warnings"
 473 if test -n "$enableval"; then
 474   case "${enableval}" in
 475   yes)  sim_warnings="-Werror -Wall -Wpointer-arith -Wmissing-prototypes";;
 476   no)   sim_warnings="-w";;
 477   *)    sim_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
 478 esac
 479 if test x"$silent" != x"yes" && test x"$sim_warnings" != x""; then
 480   echo "Setting warning flags = $sim_warnings" 6>&1
 481 fi
 482 else
 483   sim_warnings=""
 484 fi
 485
 486 # Check whether --enable-sim-config or --disable-sim-config was given.
 487 enableval="$enable_sim_config"
 488 if test -n "$enableval"; then
 489   case "${enableval}" in
 490   yes|no)       { echo "configure: error: "No value supplied for --enable-sim-config=file"" 1>&2; exit 1; };;
 491   *)            if test -f "${srcdir}/${enableval}"; then
 492                   sim_config="${enableval}";
 493                 elif test -f "${srcdir}/${enableval}-config.h"; then
 494                   sim_config="${enableval}-config.h"
 495                 else
 496                   { echo "configure: error: "Config file $enableval was not found"" 1>&2; exit 1; };
 497                   sim_config=std-config.h
 498                 fi;;
 499 esac
 500 if test x"$silent" != x"yes" && test x"$sim_config" != x""; then
 501   echo "Setting config flags = $sim_config" 6>&1
 502 fi
 503 else
 504   sim_config="std-config.h"
 505 if test x"$silent" != x"yes"; then
 506   echo "Setting config flags = $sim_config" 6>&1
 507 fi
 508 fi
 509
 510 # Check whether --enable-sim-opcode or --disable-sim-opcode was given.
 511 enableval="$enable_sim_opcode"
 512 if test -n "$enableval"; then
 513   case "${enableval}" in
 514   yes|no)       { echo "configure: error: "No value supplied for --enable-sim-opcode=file"" 1>&2; exit 1; };;
 515   *)            if test -f "${srcdir}/${enableval}"; then
 516                   sim_opcode="${enableval}"
 517                 elif test -f "${srcdir}/ppc-opcode-${enableval}"; then
 518                   sim_opcode="ppc-opcode-${enableval}"
 519                 else
 520                   { echo "configure: error: "File $enableval is not an opcode rules file"" 1>&2; exit 1; };
 521                   sim_opcode="ppc-opcode-complex"
 522                 fi;;
 523 esac
 524 if test x"$silent" != x"yes" && test x"$sim_opcode" != x""; then
 525   echo "Setting opcode flags = $sim_opcode" 6>&1
 526 fi
 527 else
 528   sim_opcode="ppc-opcode-complex"
 529 if test x"$silent" != x"yes"; then
 530   echo "Setting opcode flags = $sim_opcode"
 531 fi
 532 fi
 533
 534 # Check whether --enable-sim-switch or --disable-sim-switch was given.
 535 enableval="$enable_sim_switch"
 536 if test -n "$enableval"; then
 537   case "${enableval}" in
 538   yes)  sim_switch="-s";;
 539   no)   sim_switch="";;
 540   *)    { echo "configure: error: "--enable-sim-switch does not take a value"" 1>&2; exit 1; }; sim_switch="";;
 541 esac
 542 if test x"$silent" != x"yes" && test x"$sim_switch" != x""; then
 543   echo "Setting switch flags = $sim_switch" 6>&1
 544 fi
 545 else
 546   sim_switch="-s";
 547 if test x"$silent" != x"yes"; then
 548   echo "Setting switch flags = $sim_switch" 6>&1
 549 fi
 550 fi
 551
 552 # Check whether --enable-sim-duplicate or --disable-sim-duplicate was given.
 553 enableval="$enable_sim_duplicate"
 554 if test -n "$enableval"; then
 555   case "${enableval}" in
 556   yes)  sim_dup="-e";;
 557   no)   sim_dup="";;
 558   *)    { echo "configure: error: "--enable-sim-duplicate does not take a value"" 1>&2; exit 1; }; sim_dup="";;
 559 esac
 560 if test x"$silent" != x"yes" && test x"$sim_dup" != x""; then
 561   echo "Setting duplicate flags = $sim_dup" 6>&1
 562 fi
 563 else
 564   sim_dup="-e"
 565 if test x"$silent" != x"yes"; then
 566   echo "Setting duplicate flags = $sim_dup" 6>&1
 567 fi
 568 fi
 569
 570 # Check whether --enable-sim-filter or --disable-sim-filter was given.
 571 enableval="$enable_sim_filter"
 572 if test -n "$enableval"; then
 573   case "${enableval}" in
 574   yes)  { echo "configure: error: "--enable-sim-filter must be specified with a rule to filter or no"" 1>&2; exit 1; }; sim_filter="";;
 575   no)   sim_filter="";;
 576   *)    sim_filter="-f $enableval";;
 577 esac
 578 if test x"$silent" != x"yes" && test x"$sim_filter" != x""; then
 579   echo "Setting filter flags = $sim_filter" 6>&1
 580 fi
 581 else
 582   sim_filter="-f 64"
 583 if test x"$silent" != x"yes"; then
 584   echo "Setting filter flags = $sim_filter" 6>&1
 585 fi
 586 fi
 587
 588 # Check whether --enable-sim-icache or --disable-sim-icache was given.
 589 enableval="$enable_sim_icache"
 590 if test -n "$enableval"; then
 591   icache=""
 592 case "${enableval}" in
 593   yes)          sim_icache="-r 1024"; icache="1024";;
 594   define)       sim_icache="-r 1024 -R"; icache="1024";;
 595   no)           sim_icache="";;
 596   *)            sim_icache="-r ${enableval}"; icache="${enableval}";;
 597 esac
 598 if test x"$silent" != x"yes" && test x"$icache" != x""; then
 599   echo "Setting instruction cache size to $icache"
 600 fi
 601 else
 602   sim_icache="-r 1024"
 603 if test x"$silent" != x"yes"; then
 604   echo "Setting instruction cache size to 1024"
 605 fi
 606 fi
 607
 608 # Check whether --enable-sim-inline or --disable-sim-inline was given.
 609 enableval="$enable_sim_inline"
 610 if test -n "$enableval"; then
 611   sim_inline=""
 612 case "$enableval" in
 613   no)           sim_inline="-DDEFAULT_INLINE=0 -DINLINE=";;
 614   0)            sim_inline="-DDEFAULT_INLINE=0";;
 615   yes | 2)      sim_inline="-DDEFAULT_INLINE=2";;
 616   1)            sim_inline="-DDEFAULT_INLINE=1";;
 617   *) for x in `echo "$enableval" | sed -e "s/,/ /g"`; do
 618        new_flag=""
 619        case "$x" in
 620          *_INLINE=*)    new_flag="-D$x";;
 621          *_INLINE)      new_flag="-D$x=2";;
 622          *=*)           new_flag=`echo "$x" | sed -e "s/=/_INLINE=/" -e "s/^/-D/"`;;
 623          *)             new_flag="-D$x""_INLINE=2";;
 624        esac
 625        if test x"$sim_inline" = x""; then
 626          sim_inline="$new_flag"
 627        else
 628          sim_inline="$sim_inline $new_flag"
 629        fi
 630      done;;
 631 esac
 632 if test x"$silent" != x"yes" && test x"$sim_inline" != x""; then
 633   echo "Setting inline flags = $sim_inline" 6>&1
 634 fi
 635 else
 636   if test x"$GCC" != ""; then
 637   sim_inline="-DDEFAULT_INLINE=1"
 638   if test x"$silent" != x"yes"; then
 639     echo "Setting inline flags = $sim_inline" 6>&1
 640   fi
 641 else
 642   sim_inline=""
 643 fi
 644 fi
 645
 646 # Check whether --enable-sim-bswap or --disable-sim-bswap was given.
 647 enableval="$enable_sim_bswap"
 648 if test -n "$enableval"; then
 649   case "${enableval}" in
 650   yes)  sim_bswap="-DWITH_BSWAP=1";;
 651   no)   sim_bswap="-DWITH_BSWAP=0";;
 652   *)    { echo "configure: error: "--enable-sim-bswap does not take a value"" 1>&2; exit 1; }; sim_bswap="";;
 653 esac
 654 if test x"$silent" != x"yes" && test x"$sim_bswap" != x""; then
 655   echo "Setting bswap flags = $sim_bswap" 6>&1
 656 fi
 657 else
 658   sim_bswap=""
 659 fi
 660
 661 # Check whether --enable-sim-endian or --disable-sim-endian was given.
 662 enableval="$enable_sim_endian"
 663 if test -n "$enableval"; then
 664   case "${enableval}" in
 665   yes)  case "$target" in
 666           *powerpc-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BIG_ENDIAN";;
 667           *powerpcle-*) sim_endian="-DWITH_TARGET_BYTE_ORDER=LITTLE_ENDIAN";;
 668           *) echo "Unknown target $target" 1>&6; sim_endian="-DWITH_TARGET_BYTE_ORDER=0";;
 669         esac;;
 670   no)    sim_endian="-DWITH_TARGET_BYTE_ORDER=0";;
 671   b*|B*) sim_endian="-DWITH_TARGET_BYTE_ORDER=BIG_ENDIAN";;
 672   l*|L*) sim_endian="-DWITH_TARGET_BYTE_ORDER=LITTLE_ENDIAN";;
 673   *)     { echo "configure: error: "Unknown value $enableval for --enable-sim-endian"" 1>&2; exit 1; }; sim_endian="";;
 674 esac
 675 if test x"$silent" != x"yes" && test x"$sim_endian" != x""; then
 676   echo "Setting endian flags = $sim_endian" 6>&1
 677 fi
 678 else
 679   sim_endian=""
 680 fi
 681
 682 # Check whether --enable-sim-hostendian or --disable-sim-hostendian was given.
 683 enableval="$enable_sim_hostendian"
 684 if test -n "$enableval"; then
 685   case "${enableval}" in
 686   no)    sim_hostendian="-DWITH_HOST_BYTE_ORDER=0";;
 687   b*|B*) sim_hostendian="-DWITH_HOST_BYTE_ORDER=BIG_ENDIAN";;
 688   l*|L*) sim_hostendian="-DWITH_HOST_BYTE_ORDER=LITTLE_ENDIAN";;
 689   *)     { echo "configure: error: "Unknown value $enableval for --enable-sim-hostendian"" 1>&2; exit 1; }; sim_hostendian="";;
 690 esac
 691 if test x"$silent" != x"yes" && test x"$sim_hostendian" != x""; then
 692   echo "Setting hostendian flags = $sim_hostendian" 6>&1
 693 fi
 694 else
 695   sim_hostendian=""
 696 fi
 697
 698 # Check whether --enable-sim-smp or --disable-sim-smp was given.
 699 enableval="$enable_sim_smp"
 700 if test -n "$enableval"; then
 701   case "${enableval}" in
 702   yes)  sim_smp="-DWITH_SMP=5";;
 703   no)   sim_smp="-DWITH_SMP=0";;
 704   *)    sim_smp="-DWITH_SMP=$enableval";;
 705 esac
 706 if test x"$silent" != x"yes" && test x"$sim_smp" != x""; then
 707   echo "Setting smp flags = $sim_smp" 6>&1
 708 fi
 709 else
 710   sim_smp="-DWITH_SMP=0"
 711 if test x"$silent" != x"yes"; then
 712   echo "Setting smp flags = $sim_smp" 6>&1
 713 fi
 714 fi
 715
 716 # Check whether --enable-sim-xor-endian or --disable-sim-xor-endian was given.
 717 enableval="$enable_sim_xor_endian"
 718 if test -n "$enableval"; then
 719   case "${enableval}" in
 720   yes)  sim_xor_endian="-DWITH_XOR_ENDIAN=8";;
 721   no)   sim_xor_endian="-DWITH_XOR_ENDIAN=0";;
 722   *)    sim_xor_endian="-DWITH_XOR_ENDIAN=$enableval";;
 723 esac
 724 else
 725   sim_xor_endian=""
 726 fi
 727
 728 # Check whether --enable-sim-bitsize or --disable-sim-bitsize was given.
 729 enableval="$enable_sim_bitsize"
 730 if test -n "$enableval"; then
 731   case "${enableval}" in
 732   32|64) sim_bitsize="-DWITH_TARGET_WORD_BITSIZE=$enableval";;
 733   *)     { echo "configure: error: "--enable-sim-bitsize was given $enableval" 1>&2; exit 1; }; sim_bitsize="";;
 734 esac
 735 if test x"$silent" != x"yes" && test x"$sim_bitsize" != x""; then
 736   echo "Setting bitsize flags = $sim_bitsize" 6>&1
 737 fi
 738 else
 739   sim_bitsize=""
 740 fi
 741
 742 # Check whether --enable-sim-hostbitsize or --disable-sim-hostbitsize was given.
 743 enableval="$enable_sim_hostbitsize"
 744 if test -n "$enableval"; then
 745   case "${enableval}" in
 746   32|64) sim_hostbitsize="-DWITH_HOST_WORD_BITSIZE=$enableval";;
 747   *)     { echo "configure: error: "--enable-sim-hostbitsize was given $enableval" 1>&2; exit 1; }; sim_hostbitsize="";;
 748 esac
 749 if test x"$silent" != x"yes" && test x"$sim_hostbitsize" != x""; then
 750   echo "Setting hostbitsize flags = $sim_hostbitsize" 6>&1
 751 fi
 752 else
 753   sim_hostbitsize=""
 754 fi
 755
 756 # Check whether --enable-sim-env or --disable-sim-env was given.
 757 enableval="$enable_sim_env"
 758 if test -n "$enableval"; then
 759   case "${enableval}" in
 760   operating | os | oea) sim_env="-DWITH_ENVIRONMENT=OPERATING_ENVIRONMENT";;
 761   virtual | vea)        sim_env="-DWITH_ENVIRONMENT=VIRTUAL_ENVIRONMENT";;
 762   user | uea)           sim_env="-DWITH_ENVIRONMENT=USER_ENVIRONMENT";;
 763   no)                   sim_env="-DWITH_ENVIRONMENT=0";;
 764   *)                    { echo "configure: error: "Unknown value $enableval passed to --enable-sim-env"" 1>&2; exit 1; }; sim_env="";;
 765 esac
 766 if test x"$silent" != x"yes" && test x"$sim_env" != x""; then
 767   echo "Setting env flags = $sim_env" 6>&1
 768 fi
 769 else
 770   sim_env=""
 771 fi
 772
 773 # Check whether --enable-sim-timebase or --disable-sim-timebase was given.
 774 enableval="$enable_sim_timebase"
 775 if test -n "$enableval"; then
 776   case "${enableval}" in
 777   yes)  sim_timebase="-DWITH_TIME_BASE=1";;
 778   no)   sim_timebase="-DWITH_TIME_BASE=0";;
 779   *)    { echo "configure: error: "--enable-sim-timebase does not take a value"" 1>&2; exit 1; }; sim_timebase="";;
 780 esac
 781 if test x"$silent" != x"yes" && test x"$sim_timebase" != x""; then
 782   echo "Setting timebase flags = $sim_timebase" 6>&1
 783 fi
 784 else
 785   sim_timebase=""
 786 fi
 787
 788 # Check whether --enable-sim-alignment or --disable-sim-alignment was given.
 789 enableval="$enable_sim_alignment"
 790 if test -n "$enableval"; then
 791   case "${enableval}" in
 792   yes | strict | STRICT)        sim_alignment="-DWITH_ALIGNMENT=STRICT_ALIGNMENT";;
 793   no | nonstrict | NONSTRICT)   sim_alignment="-DWITH_ALIGNMENT=NONSTRICT_ALIGNMENT";;
 794   *)                            { echo "configure: error: "Unknown value $enableval passed to --enable-sim-alignment"" 1>&2; exit 1; }; sim_alignment="";;
 795 esac
 796 if test x"$silent" != x"yes" && test x"$sim_alignment" != x""; then
 797   echo "Setting alignment flags = $sim_alignment" 6>&1
 798 fi
 799 else
 800   sim_alignment=""
 801 fi
 802
 803 # Check whether --enable-sim-trace or --disable-sim-trace was given.
 804 enableval="$enable_sim_trace"
 805 if test -n "$enableval"; then
 806   case "${enableval}" in
 807   yes)  sim_trace="-DWITH_TRACE=1";;
 808   no)   sim_trace="-DWITH_TRACE=0";;
 809   *)    { echo "configure: error: "--enable-sim-trace does not take a value"" 1>&2; exit 1; }; sim_trace="";;
 810 esac
 811 if test x"$silent" != x"yes" && test x"$sim_trace" != x""; then
 812   echo "Setting trace flags = $sim_trace" 6>&1
 813 fi
 814 else
 815   sim_trace=""
 816 fi
 817
 818 # Check whether --enable-sim-assert or --disable-sim-assert was given.
 819 enableval="$enable_sim_assert"
 820 if test -n "$enableval"; then
 821   case "${enableval}" in
 822   yes)  sim_assert="-DWITH_ASSERT=1";;
 823   no)   sim_assert="-DWITH_ASSERT=0";;
 824   *)    { echo "configure: error: "--enable-sim-assert does not take a value"" 1>&2; exit 1; }; sim_assert="";;
 825 esac
 826 if test x"$silent" != x"yes" && test x"$sim_assert" != x""; then
 827   echo "Setting assert flags = $sim_assert" 6>&1
 828 fi
 829 else
 830   sim_assert=""
 831 fi
 832
 833 # Check whether --enable-sim-reserved-bits or --disable-sim-reserved-bits was given.
 834 enableval="$enable_sim_reserved_bits"
 835 if test -n "$enableval"; then
 836   case "${enableval}" in
 837   yes)  sim_reserved="-DWITH_RESERVED_BITS=1";;
 838   no)   sim_reserved="-DWITH_RESERVED_BITS=0";;
 839   *)    { echo "configure: error: "--enable-sim-reserved-bits does not take a value"" 1>&2; exit 1; }; sim_reserved="";;
 840 esac
 841 if test x"$silent" != x"yes" && test x"$sim_reserved" != x""; then
 842   echo "Setting reserved flags = $sim_reserved" 6>&1
 843 fi
 844 else
 845   sim_reserved=""
 846 fi
 847
 848 # Check whether --enable-sim-float or --disable-sim-float was given.
 849 enableval="$enable_sim_float"
 850 if test -n "$enableval"; then
 851   case "${enableval}" in
 852   yes | hard)   sim_float="-DWITH_FLOATING_POINT=HARD_FLOATING_POINT";;
 853   no | soft)    sim_float="-DWITH_FLOATING_POINT=SOFT_FLOATING_POINT";;
 854   *)            { echo "configure: error: "Unknown value $enableval passed to --enable-sim-float"" 1>&2; exit 1; }; sim_float="";;
 855 esac
 856 if test x"$silent" != x"yes" && test x"$sim_float" != x""; then
 857   echo "Setting float flags = $sim_float" 6>&1
 858 fi
 859 else
 860   sim_float=""
 861 fi
 862
 863 # Check whether --enable-sim-monitor or --disable-sim-monitor was given.
 864 enableval="$enable_sim_monitor"
 865 if test -n "$enableval"; then
 866   case "${enableval}" in
 867   yes)          sim_mon="-DWITH_MON='MONITOR_INSTRUCTION_ISSUE | MONITOR_LOAD_STORE_UNIT'";;
 868   no)           sim_mon="-DWITH_MON=0";;
 869   instruction)  sim_mon="-DWITH_MON=MONITOR_INSTRUCTION_ISSUE";;
 870   memory)       sim_mon="-DWITH_MON=MONITOR_LOAD_STORE_UNIT";;
 871   *)            { echo "configure: error: "Unknown value $enableval passed to --enable-sim-mon"" 1>&2; exit 1; }; sim_env="";;
 872 esac
 873 if test x"$silent" != x"yes" && test x"$sim_mon" != x""; then
 874   echo "Setting monitor flags = $sim_mon" 6>&1
 875 fi
 876 else
 877   sim_mon=""
 878 fi
 879
 880 # Check whether --enable-sim-model or --disable-sim-model was given.
 881 enableval="$enable_sim_model"
 882 if test -n "$enableval"; then
 883   case "${enableval}" in
 884   yes|no)       { echo "configure: error: "No value supplied for --enable-sim-model=model"" 1>&2; exit 1; };;
 885   *)            sim_model="-DWITH_MODEL=${enableval}";;
 886 esac
 887 if test x"$silent" != x"yes" && test x"$sim_model" != x""; then
 888   echo "Setting model flags = $sim_model" 6>&1
 889 fi
 890 else
 891   sim_model=""
 892 fi
 893
 894 # Check whether --enable-sim-default-model or --disable-sim-default-model was given.
 895 enableval="$enable_sim_default_model"
 896 if test -n "$enableval"; then
 897   case "${enableval}" in
 898   yes|no)       { echo "configure: error: "No value supplied for --enable-sim-default-model=model"" 1>&2; exit 1; };;
 899   *)            sim_default_model="-DWITH_DEFAULT_MODEL=${enableval}";;
 900 esac
 901 if test x"$silent" != x"yes" && test x"$sim_default_model" != x""; then
 902   echo "Setting default-model flags = $sim_default_model" 6>&1
 903 fi
 904 else
 905   sim_model=""
 906 fi
 907
 908 # Check whether --enable-sim-model-issue or --disable-sim-model-issue was given.
 909 enableval="$enable_sim_model_issue"
 910 if test -n "$enableval"; then
 911   case "${enableval}" in
 912   yes)  sim_model_issue="-DWITH_MODEL_ISSUE=1";;
 913   no)   sim_model_issue="-DWITH_MODEL_ISSUE=0";;
 914   *)    { echo "configure: error: "--enable-sim-model-issue does not take a value"" 1>&2; exit 1; }; sim_model_issue="";;
 915 esac
 916 if test x"$silent" != x"yes"; then
 917   echo "Setting model-issue flags = $sim_model_issue" 6>&1
 918 fi
 919 else
 920   sim_model_issue=""
 921 fi
 922
 923 ac_aux_dir=
 924 for ac_dir in `cd $srcdir;pwd`/../.. $srcdir/`cd $srcdir;pwd`/../..; do
 925   if test -f $ac_dir/install-sh; then
 926     ac_aux_dir=$ac_dir
 927     ac_install_sh="$ac_aux_dir/install-sh -c"
 928     break
 929   elif test -f $ac_dir/install.sh; then
 930     ac_aux_dir=$ac_dir
 931     ac_install_sh="$ac_aux_dir/install.sh -c"
 932     break
 933   fi
 934 done
 935 if test -z "$ac_aux_dir"; then
 936   { echo "configure: error: can not find install-sh or install.sh in `cd $srcdir;pwd`/../.. $srcdir/`cd $srcdir;pwd`/../.." 1>&2; exit 1; }
 937 fi
 938 ac_config_guess=$ac_aux_dir/config.guess
 939 ac_config_sub=$ac_aux_dir/config.sub
 940 ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
 941
 942
 943 # Do some error checking and defaulting for the host and target type.
 944 # The inputs are:
 945 #    configure --host=HOST --target=TARGET --build=BUILD NONOPT
 946 #
 947 # The rules are:
 948 # 1. You are not allowed to specify --host, --target, and nonopt at the
 949 #    same time.
 950 # 2. Host defaults to nonopt.
 951 # 3. If nonopt is not specified, then host defaults to the current host,
 952 #    as determined by config.guess.
 953 # 4. Target and build default to nonopt.
 954 # 5. If nonopt is not specified, then target and build default to host.
 955
 956 # The aliases save the names the user supplied, while $host etc.
 957 # will get canonicalized.
 958 case $host---$target---$nonopt in
 959 NONE---*---* | *---NONE---* | *---*---NONE) ;;
 960 *) { echo "configure: error: can only configure for one host and one target at a time" 1>&2; exit 1; } ;;
 961 esac
 962
 963
 964 # Make sure we can run config.sub.
 965 if $ac_config_sub sun4 >/dev/null 2>&1; then :
 966 else { echo "configure: error: can not run $ac_config_sub" 1>&2; exit 1; }
 967 fi
 968
 969 echo $ac_n "checking host system type""... $ac_c" 1>&6
 970
 971 host_alias=$host
 972 case "$host_alias" in
 973 NONE)
 974   case $nonopt in
 975   NONE)
 976     if host_alias=`$ac_config_guess`; then :
 977     else { echo "configure: error: can not guess host type; you must specify one" 1>&2; exit 1; }
 978     fi ;;
 979   *) host_alias=$nonopt ;;
 980   esac ;;
 981 esac
 982
 983 host=`$ac_config_sub $host_alias`
 984 host_cpu=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 985 host_vendor=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 986 host_os=`echo $host | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 987 echo "$ac_t""$host" 1>&6
 988
 989 echo $ac_n "checking target system type""... $ac_c" 1>&6
 990
 991 target_alias=$target
 992 case "$target_alias" in
 993 NONE)
 994   case $nonopt in
 995   NONE) target_alias=$host_alias ;;
 996   *) target_alias=$nonopt ;;
 997   esac ;;
 998 esac
 999
1000 target=`$ac_config_sub $target_alias`
1001 target_cpu=`echo $target | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
1002 target_vendor=`echo $target | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
1003 target_os=`echo $target | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
1004 echo "$ac_t""$target" 1>&6
1005
1006 echo $ac_n "checking build system type""... $ac_c" 1>&6
1007
1008 build_alias=$build
1009 case "$build_alias" in
1010 NONE)
1011   case $nonopt in
1012   NONE) build_alias=$host_alias ;;
1013   *) build_alias=$nonopt ;;
1014   esac ;;
1015 esac
1016
1017 build=`$ac_config_sub $build_alias`
1018 build_cpu=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
1019 build_vendor=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
1020 build_os=`echo $build | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
1021 echo "$ac_t""$build" 1>&6
1022
1023 test "$host_alias" != "$target_alias" &&
1024   test "$program_prefix$program_suffix$program_transform_name" = \
1025     NONENONEs,x,x, &&
1026   program_prefix=${target_alias}-
1027
1028 if test "$program_transform_name" = s,x,x,; then
1029   program_transform_name=
1030 else
1031   # Double any \ or $.
1032   echo 's,\\,\\\\,g; s,\$,$$,g' > conftestsed
1033   program_transform_name="`echo $program_transform_name|sed -f conftestsed`"
1034   rm -f conftestsed
1035 fi
1036 test "$program_prefix" != NONE &&
1037   program_transform_name="s,^,${program_prefix},; $program_transform_name"
1038 # Use a double $ so make ignores it.
1039 test "$program_suffix" != NONE &&
1040   program_transform_name="s,\$\$,${program_suffix},; $program_transform_name"
1041
1042 # sed with no file args requires a program.
1043 test "$program_transform_name" = "" && program_transform_name="s,x,x,"
1044
1045
1046 . ${srcdir}/../../bfd/configure.host
1047
1048
1049
1050 # Extract the first word of "gcc", so it can be a program name with args.
1051 set dummy gcc; ac_word=$2
1052 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
1053 if eval "test \"`echo '$''{'ac_cv_prog_CC'+set}'`\" = set"; then
1054   echo $ac_n "(cached) $ac_c" 1>&6
1055 else
1056   if test -n "$CC"; then
1057   ac_cv_prog_CC="$CC" # Let the user override the test.
1058 else
1059   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
1060   for ac_dir in $PATH; do
1061     test -z "$ac_dir" && ac_dir=.
1062     if test -f $ac_dir/$ac_word; then
1063       ac_cv_prog_CC="gcc"
1064       break
1065     fi
1066   done
1067   IFS="$ac_save_ifs"
1068   test -z "$ac_cv_prog_CC" && ac_cv_prog_CC="cc"
1069 fi
1070 fi
1071 CC="$ac_cv_prog_CC"
1072 if test -n "$CC"; then
1073   echo "$ac_t""$CC" 1>&6
1074 else
1075   echo "$ac_t""no" 1>&6
1076 fi
1077
1078
1079 echo $ac_n "checking whether we are using GNU C""... $ac_c" 1>&6
1080 if eval "test \"`echo '$''{'ac_cv_prog_gcc'+set}'`\" = set"; then
1081   echo $ac_n "(cached) $ac_c" 1>&6
1082 else
1083   cat > conftest.c <<EOF
1084 #ifdef __GNUC__
1085   yes;
1086 #endif
1087 EOF
1088 if ${CC-cc} -E conftest.c 2>&5 | egrep yes >/dev/null 2>&1; then
1089   ac_cv_prog_gcc=yes
1090 else
1091   ac_cv_prog_gcc=no
1092 fi
1093 fi
1094 echo "$ac_t""$ac_cv_prog_gcc" 1>&6
1095 if test $ac_cv_prog_gcc = yes; then
1096   GCC=yes
1097   if test "${CFLAGS+set}" != set; then
1098     echo $ac_n "checking whether ${CC-cc} accepts -g""... $ac_c" 1>&6
1099 if eval "test \"`echo '$''{'ac_cv_prog_gcc_g'+set}'`\" = set"; then
1100   echo $ac_n "(cached) $ac_c" 1>&6
1101 else
1102   echo 'void f(){}' > conftest.c
1103 if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then
1104   ac_cv_prog_gcc_g=yes
1105 else
1106   ac_cv_prog_gcc_g=no
1107 fi
1108 rm -f conftest*
1109
1110 fi
1111     echo "$ac_t""$ac_cv_prog_gcc_g" 1>&6
1112     if test $ac_cv_prog_gcc_g = yes; then
1113       CFLAGS="-g -O"
1114     else
1115       CFLAGS="-O"
1116     fi
1117   fi
1118 else
1119   GCC=
1120   test "${CFLAGS+set}" = set || CFLAGS="-g"
1121 fi
1122
1123
1124
1125 AR=${AR-ar}
1126
1127 # Extract the first word of "ranlib", so it can be a program name with args.
1128 set dummy ranlib; ac_word=$2
1129 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
1130 if eval "test \"`echo '$''{'ac_cv_prog_RANLIB'+set}'`\" = set"; then
1131   echo $ac_n "(cached) $ac_c" 1>&6
1132 else
1133   if test -n "$RANLIB"; then
1134   ac_cv_prog_RANLIB="$RANLIB" # Let the user override the test.
1135 else
1136   IFS="${IFS=   }"; ac_save_ifs="$IFS"; IFS="${IFS}:"
1137   for ac_dir in $PATH; do
1138     test -z "$ac_dir" && ac_dir=.
1139     if test -f $ac_dir/$ac_word; then
1140       ac_cv_prog_RANLIB="ranlib"
1141       break
1142     fi
1143   done
1144   IFS="$ac_save_ifs"
1145   test -z "$ac_cv_prog_RANLIB" && ac_cv_prog_RANLIB=":"
1146 fi
1147 fi
1148 RANLIB="$ac_cv_prog_RANLIB"
1149 if test -n "$RANLIB"; then
1150   echo "$ac_t""$RANLIB" 1>&6
1151 else
1152   echo "$ac_t""no" 1>&6
1153 fi
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183 for ac_func in getrusage
1184 do
1185 echo $ac_n "checking for $ac_func""... $ac_c" 1>&6
1186 if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then
1187   echo $ac_n "(cached) $ac_c" 1>&6
1188 else
1189   cat > conftest.$ac_ext <<EOF
1190 #line 1191 "configure"
1191 #include "confdefs.h"
1192 /* System header to define __stub macros and hopefully few prototypes,
1193     which can conflict with char $ac_func(); below.  */
1194 #include <assert.h>
1195 /* Override any gcc2 internal prototype to avoid an error.  */
1196 char $ac_func();
1197
1198 int main() { return 0; }
1199 int t() {
1200
1201 /* The GNU C library defines this for functions which it implements
1202     to always fail with ENOSYS.  Some functions are actually named
1203     something starting with __ and the normal name is an alias.  */
1204 #if defined (__stub_$ac_func) || defined (__stub___$ac_func)
1205 choke me
1206 #else
1207 $ac_func();
1208 #endif
1209
1210 ; return 0; }
1211 EOF
1212 if eval $ac_link; then
1213   rm -rf conftest*
1214   eval "ac_cv_func_$ac_func=yes"
1215 else
1216   rm -rf conftest*
1217   eval "ac_cv_func_$ac_func=no"
1218 fi
1219 rm -f conftest*
1220
1221 fi
1222 if eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then
1223   echo "$ac_t""yes" 1>&6
1224     ac_tr_func=HAVE_`echo $ac_func | tr '[a-z]' '[A-Z]'`
1225   cat >> confdefs.h <<EOF
1226 #define $ac_tr_func 1
1227 EOF
1228
1229 else
1230   echo "$ac_t""no" 1>&6
1231 fi
1232 done
1233
1234
1235 # Put a plausible default for CC_FOR_BUILD in Makefile.
1236 # If we cannot run a trivial program, we must be cross compiling.
1237 echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&6
1238 if eval "test \"`echo '$''{'ac_cv_c_cross'+set}'`\" = set"; then
1239   echo $ac_n "(cached) $ac_c" 1>&6
1240 else
1241   if test "$cross_compiling" = yes; then
1242   ac_cv_c_cross=yes
1243 else
1244 cat > conftest.$ac_ext <<EOF
1245 #line 1246 "configure"
1246 #include "confdefs.h"
1247 main(){return(0);}
1248 EOF
1249 eval $ac_link
1250 if test -s conftest && (./conftest; exit) 2>/dev/null; then
1251   ac_cv_c_cross=no
1252 else
1253   ac_cv_c_cross=yes
1254 fi
1255 fi
1256 rm -fr conftest*
1257 fi
1258 cross_compiling=$ac_cv_c_cross
1259 echo "$ac_t""$ac_cv_c_cross" 1>&6
1260
1261 if test "x$cross_compiling" = "xno"; then
1262   CC_FOR_BUILD='$(CC)'
1263 else
1264   CC_FOR_BUILD=gcc
1265 fi
1266
1267
1268 echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6
1269 # On Suns, sometimes $CPP names a directory.
1270 if test -n "$CPP" && test -d "$CPP"; then
1271   CPP=
1272 fi
1273 if test -z "$CPP"; then
1274 if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then
1275   echo $ac_n "(cached) $ac_c" 1>&6
1276 else
1277     # This must be in double quotes, not single quotes, because CPP may get
1278   # substituted into the Makefile and "${CC-cc}" will confuse make.
1279   CPP="${CC-cc} -E"
1280   # On the NeXT, cc -E runs the code through the compiler's parser,
1281   # not just through cpp.
1282   cat > conftest.$ac_ext <<EOF
1283 #line 1284 "configure"
1284 #include "confdefs.h"
1285 #include <assert.h>
1286 Syntax Error
1287 EOF
1288 eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
1289 ac_err=`grep -v '^ *+' conftest.out`
1290 if test -z "$ac_err"; then
1291   :
1292 else
1293   echo "$ac_err" >&5
1294   rm -rf conftest*
1295   CPP="${CC-cc} -E -traditional-cpp"
1296   cat > conftest.$ac_ext <<EOF
1297 #line 1298 "configure"
1298 #include "confdefs.h"
1299 #include <assert.h>
1300 Syntax Error
1301 EOF
1302 eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
1303 ac_err=`grep -v '^ *+' conftest.out`
1304 if test -z "$ac_err"; then
1305   :
1306 else
1307   echo "$ac_err" >&5
1308   rm -rf conftest*
1309   CPP=/lib/cpp
1310 fi
1311 rm -f conftest*
1312 fi
1313 rm -f conftest*
1314   ac_cv_prog_CPP="$CPP"
1315 fi
1316   CPP="$ac_cv_prog_CPP"
1317 else
1318   ac_cv_prog_CPP="$CPP"
1319 fi
1320 echo "$ac_t""$CPP" 1>&6
1321
1322 for ac_hdr in string.h strings.h stdlib.h time.h sys/types.h sys/time.h sys/times.h unistd.h sys/resource.h
1323 do
1324 ac_safe=`echo "$ac_hdr" | tr './\055' '___'`
1325 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6
1326 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
1327   echo $ac_n "(cached) $ac_c" 1>&6
1328 else
1329   cat > conftest.$ac_ext <<EOF
1330 #line 1331 "configure"
1331 #include "confdefs.h"
1332 #include <$ac_hdr>
1333 EOF
1334 eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
1335 ac_err=`grep -v '^ *+' conftest.out`
1336 if test -z "$ac_err"; then
1337   rm -rf conftest*
1338   eval "ac_cv_header_$ac_safe=yes"
1339 else
1340   echo "$ac_err" >&5
1341   rm -rf conftest*
1342   eval "ac_cv_header_$ac_safe=no"
1343 fi
1344 rm -f conftest*
1345 fi
1346 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then
1347   echo "$ac_t""yes" 1>&6
1348     ac_tr_hdr=HAVE_`echo $ac_hdr | tr '[a-z]./\055' '[A-Z]___'`
1349   cat >> confdefs.h <<EOF
1350 #define $ac_tr_hdr 1
1351 EOF
1352
1353 else
1354   echo "$ac_t""no" 1>&6
1355 fi
1356 done
1357
1358
1359 trap '' 1 2 15
1360 cat > confcache <<\EOF
1361 # This file is a shell script that caches the results of configure
1362 # tests run on this system so they can be shared between configure
1363 # scripts and configure runs.  It is not useful on other systems.
1364 # If it contains results you don't want to keep, you may remove or edit it.
1365 #
1366 # By default, configure uses ./config.cache as the cache file,
1367 # creating it if it does not exist already.  You can give configure
1368 # the --cache-file=FILE option to use a different cache file; that is
1369 # what configure does when it calls configure scripts in
1370 # subdirectories, so they share the cache.
1371 # Giving --cache-file=/dev/null disables caching, for debugging configure.
1372 # config.status only pays attention to the cache file if you give it the
1373 # --recheck option to rerun configure.
1374 #
1375 EOF
1376 # Ultrix sh set writes to stderr and can't be redirected directly,
1377 # and sets the high bit in the cache file unless we assign to the vars.
1378 (set) 2>&1 |
1379   sed -n "s/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=\${\1='\2'}/p" \
1380   >> confcache
1381 if cmp -s $cache_file confcache; then
1382   :
1383 else
1384   if test -w $cache_file; then
1385     echo "updating cache $cache_file"
1386     cat confcache > $cache_file
1387   else
1388     echo "not updating unwritable cache $cache_file"
1389   fi
1390 fi
1391 rm -f confcache
1392
1393 trap 'rm -fr conftest* confdefs* core core.* *.core $ac_clean_files; exit 1' 1 2 15
1394
1395 test "x$prefix" = xNONE && prefix=$ac_default_prefix
1396 # Let make expand exec_prefix.
1397 test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
1398
1399 # Any assignment to VPATH causes Sun make to only execute
1400 # the first set of double-colon rules, so remove it if not needed.
1401 # If there is a colon in the path, we need to keep it.
1402 if test "x$srcdir" = x.; then
1403   ac_vpsub='/^[         ]*VPATH[        ]*=[^:]*$/d'
1404 fi
1405
1406 trap 'rm -f $CONFIG_STATUS conftest*; exit 1' 1 2 15
1407
1408 DEFS=-DHAVE_CONFIG_H
1409
1410 # Without the "./", some shells look in PATH for config.status.
1411 : ${CONFIG_STATUS=./config.status}
1412
1413 echo creating $CONFIG_STATUS
1414 rm -f $CONFIG_STATUS
1415 cat > $CONFIG_STATUS <<EOF
1416 #! /bin/sh
1417 # Generated automatically by configure.
1418 # Run this file to recreate the current configuration.
1419 # This directory was configured as follows,
1420 # on host `(hostname || uname -n) 2>/dev/null | sed 1q`:
1421 #
1422 # $0 $ac_configure_args
1423 #
1424 # Compiler output produced by configure, useful for debugging
1425 # configure, is in ./config.log if it exists.
1426
1427 ac_cs_usage="Usage: $CONFIG_STATUS [--recheck] [--version] [--help]"
1428 for ac_option
1429 do
1430   case "\$ac_option" in
1431   -recheck | --recheck | --rechec | --reche | --rech | --rec | --re | --r)
1432     echo "running \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion"
1433     exec \${CONFIG_SHELL-/bin/sh} $0 $ac_configure_args --no-create --no-recursion ;;
1434   -version | --version | --versio | --versi | --vers | --ver | --ve | --v)
1435     echo "$CONFIG_STATUS generated by autoconf version 2.4"
1436     exit 0 ;;
1437   -help | --help | --hel | --he | --h)
1438     echo "\$ac_cs_usage"; exit 0 ;;
1439   *) echo "\$ac_cs_usage"; exit 1 ;;
1440   esac
1441 done
1442
1443 ac_given_srcdir=$srcdir
1444
1445 trap 'rm -fr `echo "Makefile config.h:config.in" | sed "s/:[^ ]*//g"` conftest*; exit 1' 1 2 15
1446
1447 # Protect against being on the right side of a sed subst in config.status.
1448 sed 's/%@/@@/; s/@%/@@/; s/%g$/@g/; /@g$/s/[\\\\&%]/\\\\&/g;
1449  s/@@/%@/; s/@@/@%/; s/@g$/%g/' > conftest.subs <<\CEOF
1450 $ac_vpsub
1451 $extrasub
1452 s%@CFLAGS@%$CFLAGS%g
1453 s%@CPPFLAGS@%$CPPFLAGS%g
1454 s%@CXXFLAGS@%$CXXFLAGS%g
1455 s%@DEFS@%$DEFS%g
1456 s%@LDFLAGS@%$LDFLAGS%g
1457 s%@LIBS@%$LIBS%g
1458 s%@exec_prefix@%$exec_prefix%g
1459 s%@prefix@%$prefix%g
1460 s%@program_transform_name@%$program_transform_name%g
1461 s%@host@%$host%g
1462 s%@host_alias@%$host_alias%g
1463 s%@host_cpu@%$host_cpu%g
1464 s%@host_vendor@%$host_vendor%g
1465 s%@host_os@%$host_os%g
1466 s%@target@%$target%g
1467 s%@target_alias@%$target_alias%g
1468 s%@target_cpu@%$target_cpu%g
1469 s%@target_vendor@%$target_vendor%g
1470 s%@target_os@%$target_os%g
1471 s%@build@%$build%g
1472 s%@build_alias@%$build_alias%g
1473 s%@build_cpu@%$build_cpu%g
1474 s%@build_vendor@%$build_vendor%g
1475 s%@build_os@%$build_os%g
1476 s%@CC@%$CC%g
1477 s%@HDEFINES@%$HDEFINES%g
1478 s%@AR@%$AR%g
1479 s%@RANLIB@%$RANLIB%g
1480 s%@sim_cflags@%$sim_cflags%g
1481 s%@sim_warnings@%$sim_warnings%g
1482 s%@sim_config@%$sim_config%g
1483 s%@sim_opcode@%$sim_opcode%g
1484 s%@sim_switch@%$sim_switch%g
1485 s%@sim_dup@%$sim_dup%g
1486 s%@sim_filter@%$sim_filter%g
1487 s%@sim_icache@%$sim_icache%g
1488 s%@sim_inline@%$sim_inline%g
1489 s%@sim_bswap@%$sim_bswap%g
1490 s%@sim_endian@%$sim_endian%g
1491 s%@sim_xor_endian@%$sim_xor_endian%g
1492 s%@sim_hostendian@%$sim_hostendian%g
1493 s%@sim_smp@%$sim_smp%g
1494 s%@sim_bitsize@%$sim_bitsize%g
1495 s%@sim_hostbitsize@%$sim_hostbitsize%g
1496 s%@sim_env@%$sim_env%g
1497 s%@sim_timebase@%$sim_timebase%g
1498 s%@sim_alignment@%$sim_alignment%g
1499 s%@sim_float@%$sim_float%g
1500 s%@sim_trace@%$sim_trace%g
1501 s%@sim_assert@%$sim_assert%g
1502 s%@sim_reserved@%$sim_reserved%g
1503 s%@sim_monitor@%$sim_monitor%g
1504 s%@sim_model@%$sim_model%g
1505 s%@sim_default_model@%$sim_default_model%g
1506 s%@sim_model_issue@%$sim_model_issue%g
1507 s%@CC_FOR_BUILD@%$CC_FOR_BUILD%g
1508 s%@CPP@%$CPP%g
1509
1510 CEOF
1511 EOF
1512 cat >> $CONFIG_STATUS <<EOF
1513
1514 CONFIG_FILES=\${CONFIG_FILES-"Makefile"}
1515 EOF
1516 cat >> $CONFIG_STATUS <<\EOF
1517 for ac_file in .. $CONFIG_FILES; do if test "x$ac_file" != x..; then
1518   # Support "outfile[:infile]", defaulting infile="outfile.in".
1519   case "$ac_file" in
1520   *:*) ac_file_in=`echo "$ac_file"|sed 's%.*:%%'`
1521        ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
1522   *) ac_file_in="${ac_file}.in" ;;
1523   esac
1524
1525   # Adjust relative srcdir, etc. for subdirectories.
1526
1527   # Remove last slash and all that follows it.  Not all systems have dirname.
1528   ac_dir=`echo $ac_file|sed 's%/[^/][^/]*$%%'`
1529   if test "$ac_dir" != "$ac_file" && test "$ac_dir" != .; then
1530     # The file is in a subdirectory.
1531     test ! -d "$ac_dir" && mkdir "$ac_dir"
1532     ac_dir_suffix="/`echo $ac_dir|sed 's%^\./%%'`"
1533     # A "../" for each directory in $ac_dir_suffix.
1534     ac_dots=`echo $ac_dir_suffix|sed 's%/[^/]*%../%g'`
1535   else
1536     ac_dir_suffix= ac_dots=
1537   fi
1538
1539   case "$ac_given_srcdir" in
1540   .)  srcdir=.
1541       if test -z "$ac_dots"; then top_srcdir=.
1542       else top_srcdir=`echo $ac_dots|sed 's%/$%%'`; fi ;;
1543   /*) srcdir="$ac_given_srcdir$ac_dir_suffix"; top_srcdir="$ac_given_srcdir" ;;
1544   *) # Relative path.
1545     srcdir="$ac_dots$ac_given_srcdir$ac_dir_suffix"
1546     top_srcdir="$ac_dots$ac_given_srcdir" ;;
1547   esac
1548
1549   echo creating "$ac_file"
1550   rm -f "$ac_file"
1551   configure_input="Generated automatically from `echo $ac_file_in|sed 's%.*/%%'` by configure."
1552   case "$ac_file" in
1553   *Makefile*) ac_comsub="1i\\
1554 # $configure_input" ;;
1555   *) ac_comsub= ;;
1556   esac
1557   sed -e "$ac_comsub
1558 s%@configure_input@%$configure_input%g
1559 s%@srcdir@%$srcdir%g
1560 s%@top_srcdir@%$top_srcdir%g
1561 " -f conftest.subs $ac_given_srcdir/$ac_file_in > $ac_file
1562 fi; done
1563 rm -f conftest.subs
1564
1565 # These sed commands are passed to sed as "A NAME B NAME C VALUE D", where
1566 # NAME is the cpp macro being defined and VALUE is the value it is being given.
1567 #
1568 # ac_d sets the value in "#define NAME VALUE" lines.
1569 ac_dA='s%^\([   ]*\)#\([        ]*define[       ][      ]*\)'
1570 ac_dB='\([      ][      ]*\)[^  ]*%\1#\2'
1571 ac_dC='\3'
1572 ac_dD='%g'
1573 # ac_u turns "#undef NAME" with trailing blanks into "#define NAME VALUE".
1574 ac_uA='s%^\([   ]*\)#\([        ]*\)undef\([    ][      ]*\)'
1575 ac_uB='\([      ]\)%\1#\2define\3'
1576 ac_uC=' '
1577 ac_uD='\4%g'
1578 # ac_e turns "#undef NAME" without trailing blanks into "#define NAME VALUE".
1579 ac_eA='s%^\([   ]*\)#\([        ]*\)undef\([    ][      ]*\)'
1580 ac_eB='$%\1#\2define\3'
1581 ac_eC=' '
1582 ac_eD='%g'
1583
1584 CONFIG_HEADERS=${CONFIG_HEADERS-"config.h:config.in"}
1585 for ac_file in .. $CONFIG_HEADERS; do if test "x$ac_file" != x..; then
1586   # Support "outfile[:infile]", defaulting infile="outfile.in".
1587   case "$ac_file" in
1588   *:*) ac_file_in=`echo "$ac_file"|sed 's%.*:%%'`
1589        ac_file=`echo "$ac_file"|sed 's%:.*%%'` ;;
1590   *) ac_file_in="${ac_file}.in" ;;
1591   esac
1592
1593   echo creating $ac_file
1594
1595   rm -f conftest.frag conftest.in conftest.out
1596   cp $ac_given_srcdir/$ac_file_in conftest.in
1597
1598 EOF
1599
1600 # Transform confdefs.h into a sed script conftest.vals that substitutes
1601 # the proper values into config.h.in to produce config.h.  And first:
1602 # Protect against being on the right side of a sed subst in config.status.
1603 # Protect against being in an unquoted here document in config.status.
1604 rm -f conftest.vals
1605 cat > conftest.hdr <<\EOF
1606 s/[\\&%]/\\&/g
1607 s%[\\$`]%\\&%g
1608 s%#define \([A-Za-z_][A-Za-z0-9_]*\) \(.*\)%${ac_dA}\1${ac_dB}\1${ac_dC}\2${ac_dD}%gp
1609 s%ac_d%ac_u%gp
1610 s%ac_u%ac_e%gp
1611 EOF
1612 sed -n -f conftest.hdr confdefs.h > conftest.vals
1613 rm -f conftest.hdr
1614
1615 # This sed command replaces #undef with comments.  This is necessary, for
1616 # example, in the case of _POSIX_SOURCE, which is predefined and required
1617 # on some systems where configure will not decide to define it.
1618 cat >> conftest.vals <<\EOF
1619 s%^[    ]*#[    ]*undef[        ][      ]*[a-zA-Z_][a-zA-Z_0-9]*%/* & */%
1620 EOF
1621
1622 # Break up conftest.vals because some shells have a limit on
1623 # the size of here documents, and old seds have small limits too.
1624 # Maximum number of lines to put in a single here document.
1625 ac_max_here_lines=12
1626
1627 rm -f conftest.tail
1628 while :
1629 do
1630   ac_lines=`grep -c . conftest.vals`
1631   # grep -c gives empty output for an empty file on some AIX systems.
1632   if test -z "$ac_lines" || test "$ac_lines" -eq 0; then break; fi
1633   # Write a limited-size here document to conftest.frag.
1634   echo '  cat > conftest.frag <<CEOF' >> $CONFIG_STATUS
1635   sed ${ac_max_here_lines}q conftest.vals >> $CONFIG_STATUS
1636   echo 'CEOF
1637   sed -f conftest.frag conftest.in > conftest.out
1638   rm -f conftest.in
1639   mv conftest.out conftest.in
1640 ' >> $CONFIG_STATUS
1641   sed 1,${ac_max_here_lines}d conftest.vals > conftest.tail
1642   rm -f conftest.vals
1643   mv conftest.tail conftest.vals
1644 done
1645 rm -f conftest.vals
1646
1647 cat >> $CONFIG_STATUS <<\EOF
1648   rm -f conftest.frag conftest.h
1649   echo "/* $ac_file.  Generated automatically by configure.  */" > conftest.h
1650   cat conftest.in >> conftest.h
1651   rm -f conftest.in
1652   if cmp -s $ac_file conftest.h 2>/dev/null; then
1653     echo "$ac_file is unchanged"
1654     rm -f conftest.h
1655   else
1656     rm -f $ac_file
1657     mv conftest.h $ac_file
1658   fi
1659 fi; done
1660
1661
1662 case x$CONFIG_HEADERS in xconfig.h:config.in) echo > stamp-h ;; esac
1663 exit 0
1664 EOF
1665 chmod +x $CONFIG_STATUS
1666 rm -fr confdefs* $ac_clean_files
1667 test "$no_create" = yes || ${CONFIG_SHELL-/bin/sh} $CONFIG_STATUS || exit 1
1668