configure

   1 #!/bin/sh
   2
   3 # Configuration script
   4 #   Copyright (C) 1988, 1990-1993 Free Software Foundation, Inc.
   5
   6 # This program is free software; you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation; either version 2 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
  19
  20 # Please email any bugs, comments, and/or additions to this file to:
  21 # configure@cygnus.com
  22
  23 # This file was written by K. Richard Pixley.
  24
  25 #
  26 # Shell script to create proper links to machine-dependent files in
  27 # preparation for compilation.
  28 #
  29 # If configure succeeds, it leaves its status in config.status.
  30 # If configure fails after disturbing the status quo,
  31 #       config.status is removed.
  32 #
  33
  34 export PATH || (echo "OOPS, this isn't sh.  Desperation time.  I will feed myself to sh."; sh $0 $argv; kill $$)
  35
  36 remove=rm
  37 hard_link=ln
  38 symbolic_link='ln -s'
  39
  40 #for Test
  41 #remove="echo rm"
  42 #hard_link="echo ln"
  43 #symbolic_link="echo ln -s"
  44
  45 # clear some things potentially inherited from environment.
  46
  47 Makefile=Makefile
  48 Makefile_in=Makefile.in
  49 arguments=$*
  50 configdirs=
  51 exec_prefix=
  52 exec_prefixoption=
  53 fatal=
  54 floating_point=default
  55 gas=default
  56 host_alias=
  57 host_makefile_frag=
  58 moveifchange=
  59 next_host=
  60 next_prefix=
  61 next_site=
  62 next_srcdir=
  63 next_target=
  64 next_tmpdir=
  65 norecursion=
  66 package_makefile_frag=
  67 prefix=/usr/local
  68 progname=
  69 program_prefix=
  70 program_prefixoption=
  71 program_suffix=
  72 program_suffixoption=
  73 program_transform_name=
  74 program_transform_nameoption=
  75 redirect=">/dev/null"
  76 removing=
  77 site=
  78 site_makefile_frag=
  79 site_option=
  80 srcdir=
  81 srctrigger=
  82 subdirs=
  83 target_alias=
  84 target_makefile_frag=
  85 undefinedargs=
  86 version="$Revision$"
  87 x11=default
  88
  89 NO_EDIT="This file was generated automatically by configure.  Do not edit."
  90
  91 ## this is a little touchy and won't always work, but...
  92 ##
  93 ## if the argv[0] starts with a slash then it is an absolute name that can (and
  94 ## must) be used as is.
  95 ##
  96 ## otherwise, if argv[0] has no slash in it, we can assume that it is on the
  97 ## path.  Since PATH might include "." we also add `pwd` to the end of PATH.
  98 ##
  99
 100 progname=$0
 101 # if PWD already has a value, it is probably wrong.
 102 if [ -n "$PWD" ]; then PWD=`pwd`; fi
 103
 104 case "${progname}" in
 105 /*) ;;
 106 */*) ;;
 107 *)
 108         PATH=$PATH:${PWD=`pwd`} ; export PATH
 109         ;;
 110 esac
 111
 112 for arg in $*;
 113 do
 114         # handle things that might have args following as separate words
 115         if [ -n "${next_prefix}" ] ; then prefix=${arg} ; prefixoption="-prefix=${prefix}" ; next_prefix=
 116         elif [ -n "${next_exec_prefix}" ] ; then
 117                 exec_prefix=${arg}
 118                 exec_prefixoption="-exec_prefix=${exec_prefix}"
 119                 next_exec_prefix=
 120         elif [ -n "${next_site}" ] ; then site=${arg} ; site_option=-site=${site} ; next_site=
 121         # remove any possible trailing slash from srcdir.  See note below.
 122         elif [ -n "${next_srcdir}" ] ; then srcdir=`echo ${arg} | sed -e 's:/$::'` ; next_srcdir=
 123         elif [ -n "${next_program_prefix}" ] ; then
 124                 program_prefix=${arg}
 125                 program_prefixoption="-program_prefix=${program_prefix}"
 126                 next_program_prefix=
 127         elif [ -n "${next_program_suffix}" ] ; then
 128                 program_suffix=${arg}
 129                 program_suffixoption="-program_suffix=${program_suffix}"
 130                 next_program_suffix=
 131         elif [ -n "${next_program_transform_name}" ] ; then
 132                 # Double any backslashes or dollar signs in the argument
 133                 program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 134                 program_transform_nameoption="${program_transform_nameoption} -program_transform_name='${arg}'"
 135                 next_program_transform_name=
 136         elif [ -n "${next_target}" ] ; then
 137                 next_target=
 138                 case "${target_alias}" in
 139                 "")
 140                         target_alias="${arg}"
 141                         ;;
 142                 *)
 143                         echo '***' Can only configure for one target at a time.  1>&2
 144                         fatal=yes
 145                         ;;
 146                 esac
 147         elif [ -n "${next_tmpdir}" ] ; then
 148                 next_tmpdir=
 149                 tmpdiroption="--tmpdir=${arg}"
 150                 TMPDIR=${arg}
 151
 152         else
 153                 case ${arg} in
 154                 -exec_prefix=* | --exec_prefix=* | --exec_prefi=* | --exec_pref=* | --exec_pre=* | --exec_pr=* | --exec_p=* | --exec_=* | --exec=* | --exe=* | --ex=* | --e=* | -exec-prefix=* | --exec-prefix=* | --exec-prefi=* | --exec-pref=* | --exec-pre=* | --exec-pr=* | --exec-p=* | --exec-=* )
 155                         exec_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 156                         exec_prefixoption=${arg}
 157                         ;;
 158                 -exec_prefix | --exec_prefix | --exec_prefi | --exec_pref | --exec_pre | --exec_pr | --exec_p | --exec_ | --exec | --exe | --ex | --e | -exec-prefix | --exec-prefix | --exec-prefi | --exec-pref | --exec-pre | --exec-pr | --exec-p | --exec-)
 159                         next_exec_prefix=yes
 160                         ;;
 161                 -gas | --g*)
 162                         gas=yes
 163                         ;;
 164                 -help | --he*)
 165                         fatal=true
 166                         ;;
 167                 -host=* | --host=* | --hos=* | --ho=*)
 168                         case "${host_alias}" in
 169                         "")
 170                                 host_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`"
 171                                 ;;
 172                         *)
 173                                 echo '***' Can only configure for one host at a time.  1>&2
 174                                 fatal=yes
 175                                 ;;
 176                         esac
 177                         ;;
 178                 -nfp | --nf*)
 179                         floating_point=no
 180                         ;;
 181                 -norecursion | --no*)
 182                         norecursion=true
 183                         ;;
 184                 -prefix=* | --prefix=* | --prefi=* | --pref=* | --pre=*)
 185                         prefix=`echo ${arg} | sed 's/^[-a-z]*=//'`
 186                         prefixoption=${arg}
 187                         ;;
 188                 -prefix | --prefix | --prefi | --pref | --pre)
 189                         next_prefix=yes
 190                         ;;
 191                 -rm | --rm) removing=${arg} ;;
 192                 -program_prefix=* | --program_prefix=* | --program_prefi=* | --program_pref=* | --program_pre=* | --program_pr=* | --program_p=* | -program-prefix=* | --program-prefix=* | --program-prefi=* | --program-pref=* | --program-pre=* | --program-pr=* | --program-p=*)
 193                         program_prefix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 194                         program_prefixoption=${arg}
 195                         ;;
 196                 -program_prefix | --program_prefix | --program_prefi | --program_pref | --program_pre | --program_pr | --program_p | -program-prefix | --program-prefix | --program-prefi | --program-pref | --program-pre | --program-pr | --program-p)
 197                         next_program_prefix=yes
 198                         ;;
 199                 -program_suffix=* | --program_suffix=* | --program_suffi=* | --program_suff=* | --program_suf=* | --program_su=* | --program_s=* | -program-suffix=* | --program-suffix=* | --program-suffi=* | --program-suff=* | --program-suf=* | --program-su=* | --program-s=*)
 200                         program_suffix=`echo ${arg} | sed 's/^[-a-z_]*=//'`
 201                         program_suffixoption=${arg}
 202                         ;;
 203                 -program_suffix | --program_suffix | --program_suffi | --program_suff | --program_suf | --program_su | --program_s |-program-suffix | --program-suffix | --program-suffi | --program-suff | --program-suf | --program-su | --program-s)
 204                         next_program_suffix=yes
 205                         ;;
 206                 -program_transform_name=* | --program_transform_name=* | --program_transform_nam=* | --program_transform_na=* | --program_transform_n=* | --program_transform_=* | --program_transform=* | --program_transfor=* | --program_transfo=* | --program_transf=* | --program_trans=* | --program_tran=* | --program_tra=* | --program_tr=* | --program_t=* | -program-transform-name=* | --program-transform-name=* | --program-transform-nam=* | --program-transform-na=* | --program-transform-n=* | --program-transform-=* | --program-transform=* | --program-transfor=* | --program-transfo=* | --program-transf=* | --program-trans=* | --program-tran=* | --program-tra=* | --program-tr=* | --program-t=*)
 207                         # Double any \ or $ in the argument
 208                         program_transform_name="${program_transform_name} -e `echo ${arg} | sed -e 's/^[-a-z_]*=//' -e 's/\\\\/\\\\\\\\/g' -e 's/\\\$/$$/g'`"
 209                         program_transform_nameoption="${program_transform_nameoption} -program_transform_name='`echo ${arg} | sed 's/^[-a-z_]*=//'`'"
 210                         ;;
 211                 -program_transform_name | --program_transform_name | --program_transform_nam | --program_transform_na | --program_transform_n | --program_transform_ | --program_transform | --program_transfor | --program_transfo | --program_transf | --program_trans | --program_tran | --program_tra | --program_tr | --program_t | -program-transform-name | --program-transform-name | --program-transform-nam | --program-transform-na | --program-transform-n | --program-transform- | --program-transform | --program-transfor | --program-transfo | --program-transf | --program-trans | --program-tran | --program-tra | --program-tr | --program-t)
 212                         next_program_transform_name=yes
 213                         ;;
 214                 -site=* | --site=* | --sit=* | --si=*)
 215                         site_option=${arg}
 216                         site=`echo ${arg} | sed 's/^[-a-z]*=//'`
 217                         ;;
 218                 -site | --site | --sit)
 219                         next_site=yes
 220                         ;;
 221                 # remove trailing slashes.  Otherwise, when the file name gets
 222                 # bolted into an object file as debug info, it has two slashes in
 223                 # it.  Ordinarily this is ok, but emacs takes double slash to
 224                 # mean "forget the first part".
 225                 -srcdir=* | --srcdir=* | --srcdi=* | --srcd=* | --src=* | --sr=*)
 226                         srcdir=`echo ${arg} | sed 's/^[-a-z]*=//' | sed -e 's:/$::'`
 227                         ;;
 228                 -srcdir | --srcdir | --srcdi | --srcd | --src | --sr)
 229                         next_srcdir=yes
 230                         ;;
 231                 -target=* | --target=* | --targe=* | --targ=* | --tar=* | --ta=*)
 232                         case "${target_alias}" in
 233                         "") target_alias="`echo ${arg} | sed 's/^[-a-z]*=//'`" ;;
 234                         *)
 235                                 echo '***' Can only configure for one target at a time.  1>&2
 236                                 fatal=yes
 237                                 ;;
 238                         esac
 239                         ;;
 240                 -target | --target | --targe | --targ | --tar | --ta)
 241                         next_target=yes
 242                         ;;
 243                 -tmpdir=* | --tmpdir=* | --tmpdi=* | --tmpd=* | --tmp=* | --tm=*)
 244                         tmpdiroption=${arg}
 245                         TMPDIR=`echo ${arg} | sed 's/^[-a-z]*=//'`
 246                         ;;
 247                 -tmpdir | --tmpdir | --tmpdi | --tmpd | --tmp | --tm)
 248                         next_tmpdir=yes
 249                         ;;
 250                 -v | -verbose | --v)
 251                         redirect=
 252                         verbose=-v
 253                         ;;
 254                 -version | -V | --version | --V)
 255                         echo "This is Cygnus Configure version" `echo ${version} | sed 's/[ $:]//g'`
 256                         exit 0
 257                         ;;
 258                 -with*=* | --with*=*)
 259                         withopt=`echo ${arg} | sed 's:^-*\(with[^=]*\)=.*$:\1:;s/-/_/g'`
 260                         withval=`echo ${arg} | sed 's:^-*with[^=]*=\(.*\)$:\1:'`
 261                         eval $withopt="$withval"
 262                         withoptions="$withoptions $arg"
 263                         ;;
 264                 -without* | --without*)
 265                         withopt=`echo ${arg} | sed 's:^-*without:with:;s/-/_/g'`
 266                         eval $withopt=no
 267                         withoutoptions="$withoutoptions $arg"
 268                         ;;
 269                 -with* | --with*)
 270                         withopt=`echo ${arg} | sed 's:^-*with:with:;s/-/_/g'`
 271                         eval $withopt=yes
 272                         withoptions="$withoptions $arg"
 273                         ;;
 274                 -x | --x) ;;
 275                 -* | --*)
 276                         (echo ;
 277                         echo "Unrecognized option: \"${arg}\"". ;
 278                         echo) 1>&2
 279                         fatal=true
 280                         ;;
 281                 *)
 282                         case "${undefs}" in
 283                         "")
 284                                 undefs="${arg}"
 285                                 ;;
 286                         *)
 287                                 echo '***' Can only configure for one host and one target at a time.  1>&2
 288                                 fatal=yes
 289                                 ;;
 290                         esac
 291                         ;;
 292                 esac
 293         fi
 294 done
 295
 296 # process host and target
 297 case "${fatal}" in
 298 "")
 299 #       # Complain if an arg is missing
 300 #       if [ -z "${host_alias}" ] ; then
 301 #               (echo ;
 302 #               echo "configure: No HOST specified." ;
 303 #               echo) 1>&2
 304 #               fatal=true
 305 #       fi
 306
 307 ### This is a bit twisted.
 308 ### * if all three are specified, this is an error.
 309 ### * if we have neither hosts, nor unadorned args, this is an error.
 310 ### * if no hosts are specified, then the unadorned args are hosts, but if
 311 ### there were none, this is an error.
 312 ### * if no targets are specified, then the unadorned args are targets, but if
 313 ### there were no unadorned args, then the hosts are also targets.
 314
 315         if [ -n "${host_alias}" -a -n "${target_alias}" -a -n "${undefs}" ] ; then
 316                 echo '***' Can only configure for one host and one target at a time.  1>&2
 317                 fatal=yes
 318         elif [ -z "${host_alias}" -a -z "${undefs}" ] ; then
 319                 echo '- You did not tell me what kind of host system you want to configure.
 320 - I will attempt to guess the kind of system this is.' 1>&2
 321                 guesssys=`echo ${progname} | sed 's/configure$/config.guess/'`
 322                 if tmp_alias=`${guesssys}` ; then
 323                         echo "- Looks like this is a ${tmp_alias}" 1>&2
 324                         host_alias=${tmp_alias}
 325                         target_alias=${tmp_alias}
 326                         arguments="--host=${host_alias} ${arguments}"
 327                 else
 328                         echo '- Failed to guess the system type.  You need to tell me.' 1>&2
 329                         fatal=yes
 330                 fi
 331         else
 332                 case "${host_alias}" in
 333                 "") host_alias=${undefs} ;;
 334                 *) ;;
 335                 esac
 336
 337                 case "${target_alias}" in
 338                 "")
 339                         case "${undefs}" in
 340                         "")     target_alias=${host_alias} ;;
 341                         *)      target_alias=${undefs} ;;
 342                         esac
 343                         ;;
 344                 *) ;;
 345                 esac
 346         fi
 347         ;;
 348 *) ;;
 349 esac
 350
 351 if [ -n "${fatal}" -o "${host_alias}" = "help" ] ; then
 352         (echo "Usage: configure HOST" ;
 353         echo ;
 354         echo "Options: [defaults in brackets]" ;
 355         echo " -prefix=MYDIR            configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 356         echo " -exec-prefix=MYDIR       configure for installation of host dependent files into MYDIR. [\"/usr/local\"]" ;
 357         echo " -help                    print this message. [normal config]" ;
 358         echo " -norecursion             configure this directory only. [recurse]" ;
 359         echo " -program-prefix=FOO      install programs with FOO prepended to their names. [ \"\" ]" ;
 360         echo " -program-suffix=FOO      install programs with FOO appended to their names. [ \"\" ]" ;
 361         echo " -program-transform-name=FOO      install programs with names transformed by sed pattern FOO. [ \"\" ]" ;
 362         echo " -site=SITE               configure with site specific makefile for SITE" ;
 363         echo " -srcdir=DIR              find the sources in DIR. [\".\" or \"..\"]" ;
 364         echo " -target=TARGET           configure for TARGET.  [TARGET = HOST]" ;
 365         echo " -tmpdir=TMPDIR           create temporary files in TMPDIR.  [ TMPDIR = \"/tmp\" ]" ;
 366         echo " -nfp                     configure the compilers default to soft floating point. [hard float]" ;
 367         echo " -with-FOO, -with-FOO=BAR specify that FOO is available"
 368         echo " -without-FOO             specify that FOO is NOT available"
 369         echo ;
 370         echo "Where HOST and TARGET are something like \"vax\", \"sun3\", \"encore\", etc." ;
 371         echo ;
 372         ) 1>&2
 373         if [ -r config.status ] ; then
 374                 cat config.status
 375         fi
 376
 377         exit 1
 378 fi
 379
 380 configsub=`echo ${progname} | sed 's/configure$/config.sub/'`
 381 moveifchange=`echo ${progname} | sed 's/configure$/move-if-change/'`
 382
 383 # this is a hack.  sun4 must always be a valid host alias or this will fail.
 384 if ${configsub} sun4 >/dev/null 2>&1 ; then
 385         true
 386 else
 387         echo '***' cannot find config.sub.  1>&2
 388         exit 1
 389 fi
 390
 391 touch config.junk
 392 if ${moveifchange} config.junk config.trash ; then
 393         true
 394 else
 395         echo '***' cannot find move-if-change.  1>&2
 396         exit 1
 397 fi
 398 rm -f config.junk config.trash
 399
 400 case "${srcdir}" in
 401 "")
 402         if [ -r configure.in ] ; then
 403                 srcdir=.
 404         else
 405                 if [ -r ${progname}.in ] ; then
 406                         srcdir=`echo ${progname} | sed 's:/configure$::'`
 407                 else
 408                         echo '***' "Can't find configure.in.  Try using -srcdir=some_dir"  1>&2
 409                         exit 1
 410                 fi
 411         fi
 412         ;;
 413 *) ;;
 414 esac
 415
 416 ### warn about some conflicting configurations.
 417
 418 case "${srcdir}" in
 419 ".") ;;
 420 *)
 421         if [ -f ${srcdir}/config.status ] ; then
 422                 echo '***' Cannot configure here in \"${PWD=`pwd`}\" when \"${srcdir}\" is currently configured. 1>&2
 423                 exit 1
 424         fi
 425 esac
 426
 427 # default exec_prefix
 428 case "${exec_prefix}" in
 429 "") exec_prefix="\$(prefix)" ;;
 430 *) ;;
 431 esac
 432
 433 ### break up ${srcdir}/configure.in.
 434 case "`grep '^# per\-host:' ${srcdir}/configure.in`" in
 435 "")
 436         echo '***' ${srcdir}/configure.in has no "per-host:" line. 1>&2
 437         exit 1
 438         ;;
 439 *) ;;
 440 esac
 441
 442 case "`grep '^# per\-target:' ${srcdir}/configure.in`" in
 443 "")
 444         echo '***' ${srcdir}/configure.in has no "per-target:" line. 1>&2
 445         exit 1
 446         ;;
 447 *) ;;
 448 esac
 449
 450 case "${TMPDIR}" in
 451 "") TMPDIR=/tmp ; export TMPDIR ;;
 452 *) ;;
 453 esac
 454
 455 # keep this filename short for &%*%$*# 14 char file names
 456 tmpfile=${TMPDIR}/cONf$$
 457 trap "rm -f ${tmpfile}.com ${tmpfile}.tgt ${tmpfile}.hst ${tmpfile}.pos" 0
 458
 459 # split ${srcdir}/configure.in into common, per-host, per-target,
 460 # and post-target parts.  Post-target is optional.
 461 sed -e '/^# per\-host:/,$d' ${srcdir}/configure.in > ${tmpfile}.com
 462 sed -e '1,/^# per\-host:/d' -e '/^# per\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.hst
 463 if grep '^# post-target:' ${srcdir}/configure.in >/dev/null ; then
 464   sed -e '1,/^# per\-target:/d' -e '/^# post\-target:/,$d' ${srcdir}/configure.in > ${tmpfile}.tgt
 465   sed -e '1,/^# post\-target:/d' ${srcdir}/configure.in > ${tmpfile}.pos
 466 else
 467   sed -e '1,/^# per\-target:/d' ${srcdir}/configure.in > ${tmpfile}.tgt
 468   echo >${tmpfile}.pos
 469 fi
 470
 471 ### do common part of configure.in
 472
 473 . ${tmpfile}.com
 474
 475 # some sanity checks on configure.in
 476 case "${srctrigger}" in
 477 "")
 478         echo '***' srctrigger not set in ${PWD=`pwd`}/configure.in.  1>&2
 479         exit 1
 480         ;;
 481 *) ;;
 482 esac
 483
 484 result=`${configsub} ${host_alias}`
 485 host_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 486 host_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 487 host_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 488 host=${host_cpu}-${host_vendor}-${host_os}
 489
 490 . ${tmpfile}.hst
 491
 492 result=`${configsub} ${target_alias}`
 493 target_cpu=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\1/'`
 494 target_vendor=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\2/'`
 495 target_os=`echo $result | sed 's/^\(.*\)-\(.*\)-\(.*\)$/\3/'`
 496 target=${target_cpu}-${target_vendor}-${target_os}
 497
 498 . ${tmpfile}.tgt
 499
 500 # Find the source files, if location was not specified.
 501 case "${srcdir}" in
 502 "")
 503         srcdirdefaulted=1
 504         srcdir=.
 505         if [ ! -r ${srctrigger} ] ; then
 506                 srcdir=..
 507         fi
 508         ;;
 509 *) ;;
 510 esac
 511
 512 if [ ! -r ${srcdir}/${srctrigger} ] ; then
 513         case "${srcdirdefaulted}" in
 514         "") echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/${srcdir}" 1>&2 ;;
 515         *)  echo '***' "${progname}: Can't find ${srcname} sources in ${PWD=`pwd`}/. or ${PWD=`pwd`}/.." 1>&2 ;;
 516         esac
 517
 518         echo '***' \(At least ${srctrigger} is missing.\) 1>&2
 519         exit 1
 520 fi
 521
 522 tooldir="\$(libdir)/${target_alias}"
 523
 524 if [ "${host_alias}" != "${target_alias}" ] ; then
 525     if [ "${program_prefix}" = "" ] ; then
 526         if [ "${program_suffix}" = "" ] ; then
 527             if [ "${program_transform_name}" = "" ] ; then
 528                 program_prefix=${target_alias}- ;
 529             fi
 530         fi
 531     fi
 532 fi
 533
 534 # Merge program_prefix and program_suffix onto program_transform_name
 535 # Use a double $ so that make ignores it
 536 if [ "${program_suffix}" != "" ] ; then
 537     program_transform_name="-e s/\$\$/${program_suffix}/ ${program_transform_name}"
 538 fi
 539
 540 if [ "${program_prefix}" != "" ] ; then
 541     program_transform_name="-e s/^/${program_prefix}/ ${program_transform_name}"
 542 fi
 543
 544 for subdir in . ${subdirs} ; do
 545
 546     # ${subdir} is relative path from . to the directory we're currently
 547     # configuring.
 548     # ${invsubdir} is inverse of ${subdir), *with* trailing /, if needed.
 549     invsubdir=`echo ${subdir}/ | sed -e 's|\./||g' -e 's|[^/]*/|../|g'`
 550
 551     ### figure out what to do with srcdir
 552     case "${srcdir}" in
 553         ".")  # no -srcdir option.  We're building in place.
 554                 makesrcdir=. ;;
 555         /*) # absolute path
 556                 makesrcdir=`echo ${srcdir}/${subdir} | sed -e 's|/\.$||'`
 557                 ;;
 558         *) # otherwise relative
 559                 case "${subdir}" in
 560                 .) makesrcdir=${srcdir} ;;
 561                 *) makesrcdir=${invsubdir}${srcdir}/${subdir} ;;
 562                 esac
 563                 ;;
 564     esac
 565
 566     if [ "${subdir}/" != "./" ] ; then
 567         Makefile=${subdir}/Makefile
 568     fi
 569
 570     if [ ! -d ${subdir} ] ; then
 571         if mkdir ${subdir} ; then
 572                 true
 573         else
 574                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${subdir}" 1>&2
 575                 exit 1
 576         fi
 577     fi
 578
 579     case "${removing}" in
 580     "")
 581         case "${subdir}" in
 582         .) ;;
 583         *) eval echo Building in ${subdir} ${redirect} ;;
 584         esac
 585
 586         # FIXME Should this be done recursively ??? (Useful for e.g. gdbtest)
 587         # Set up the list of links to be made.
 588         # ${links} is the list of link names, and ${files} is the list of names to link to.
 589
 590         # Make the links.
 591         configlinks="${links}"
 592         if [ -r ${subdir}/config.status ] ; then
 593                 mv -f ${subdir}/config.status ${subdir}/config.back
 594         fi
 595         while [ -n "${files}" ] ; do
 596                 # set file to car of files, files to cdr of files
 597                 set ${files}; file=$1; shift; files=$*
 598                 set ${links}; link=$1; shift; links=$*
 599
 600                 if [ ! -r ${srcdir}/${file} ] ; then
 601                         echo '***' "${progname}: cannot create a link \"${link}\"," 1>&2
 602                         echo '***' "since the file \"${srcdir}/${file}\" does not exist." 1>&2
 603                         exit 1
 604                 fi
 605
 606                 ${remove} -f ${link}
 607                 # Make a symlink if possible, otherwise try a hard link
 608                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 609
 610                 if [ ! -r ${link} ] ; then
 611                         echo '***' "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 612                         exit 1
 613                 fi
 614
 615                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 616         done
 617
 618         # Create a .gdbinit file which runs the one in srcdir
 619         # and tells GDB to look there for source files.
 620
 621         if [ -r ${srcdir}/${subdir}/.gdbinit ] ; then
 622                 case ${srcdir} in
 623                 .) ;;
 624                 *) cat > ${subdir}/.gdbinit <<EOF
 625 # ${NO_EDIT}
 626 dir .
 627 dir ${makesrcdir}
 628 source ${makesrcdir}/.gdbinit
 629 EOF
 630                         ;;
 631                 esac
 632         fi
 633
 634         # Install a makefile, and make it set VPATH
 635         # if necessary so that the sources are found.
 636         # Also change its value of srcdir.
 637         # NOTE: Makefile generation constitutes the majority of the time in configure.  Hence, this section has
 638         # been somewhat optimized and is perhaps a bit twisty.
 639
 640         # code is order so as to try to sed the smallest input files we know.
 641
 642         # the four makefile fragments MUST end up in the resulting Makefile in this order:
 643         # package, target, host, and site.  so do these separately because I don't trust the
 644         #  order of sed -e expressions.
 645
 646         if [ -f ${srcdir}/${subdir}/${Makefile_in} ] ; then
 647
 648             # Conditionalize for this site from "Makefile.in" (or whatever it's called) into Makefile.tem
 649             rm -f ${subdir}/Makefile.tem
 650               case "${site}" in
 651               "") cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem ;;
 652               *)
 653                       site_makefile_frag=${srcdir}/config/ms-${site}
 654
 655                       if [ -f ${site_makefile_frag} ] ; then
 656                               sed -e "/^####/  r ${site_makefile_frag}" ${srcdir}/${subdir}/${Makefile_in} \
 657                                       > ${subdir}/Makefile.tem
 658                       else
 659                               cp ${srcdir}/${subdir}/${Makefile_in} ${subdir}/Makefile.tem
 660                               site_makefile_frag=
 661                       fi
 662                       ;;
 663             esac
 664             # working copy now in ${subdir}/Makefile.tem
 665
 666             # Conditionalize the makefile for this host.
 667             rm -f ${Makefile}
 668             case "${host_makefile_frag}" in
 669               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 670               *)
 671                       if [ ! -f ${host_makefile_frag} ] ; then
 672                               host_makefile_frag=${srcdir}/${host_makefile_frag}
 673                       fi
 674                       if [ -f ${host_makefile_frag} ] ; then
 675                               sed -e "/^####/  r ${host_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 676                       else
 677                               echo '***' Expected host makefile fragment \"${host_makefile_frag}\" 1>&2
 678                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 679                               mv ${subdir}/Makefile.tem ${Makefile}
 680                       fi
 681             esac
 682             # working copy now in ${Makefile}
 683
 684             # Conditionalize the makefile for this target.
 685             rm -f ${subdir}/Makefile.tem
 686             case "${target_makefile_frag}" in
 687               "") mv ${Makefile} ${subdir}/Makefile.tem ;;
 688               *)
 689                       if [ ! -f ${target_makefile_frag} ] ; then
 690                               target_makefile_frag=${srcdir}/${target_makefile_frag}
 691                       fi
 692                       if [ -f ${target_makefile_frag} ] ; then
 693                               sed -e "/^####/  r ${target_makefile_frag}" ${Makefile} > ${subdir}/Makefile.tem
 694                       else
 695                               mv ${Makefile} ${subdir}/Makefile.tem
 696                               target_makefile_frag=
 697                       fi
 698                       ;;
 699             esac
 700             # real copy now in ${subdir}/Makefile.tem
 701
 702             # Conditionalize the makefile for this package.
 703             rm -f ${Makefile}
 704             case "${package_makefile_frag}" in
 705               "") mv ${subdir}/Makefile.tem ${Makefile} ;;
 706               *)
 707                       if [ ! -f ${package_makefile_frag} ] ; then
 708                               package_makefile_frag=${srcdir}/${package_makefile_frag}
 709                       fi
 710                       if [ -f ${package_makefile_frag} ] ; then
 711                               sed -e "/^####/  r ${package_makefile_frag}" ${subdir}/Makefile.tem > ${Makefile}
 712                       else
 713                               echo '***' Expected package makefile fragment \"${package_makefile_frag}\" 1>&2
 714                               echo '***' is missing in ${PWD=`pwd`}. 1>&2
 715                               mv ${subdir}/Makefile.tem ${Makefile}
 716                       fi
 717             esac
 718             # working copy now in ${Makefile}
 719
 720             mv ${Makefile} ${subdir}/Makefile.tem
 721
 722             # real copy now in ${subdir}/Makefile.tem
 723
 724             # prepend warning about editting, and a bunch of variables.
 725             rm -f ${Makefile}
 726             cat > ${Makefile} <<EOF
 727 # ${NO_EDIT}
 728 VPATH = ${makesrcdir}
 729 links = ${configlinks}
 730 host_alias = ${host_alias}
 731 host_cpu = ${host_cpu}
 732 host_vendor = ${host_vendor}
 733 host_os = ${host_os}
 734 host_canonical = ${host_cpu}-${host_vendor}-${host_os}
 735 target_alias = ${target_alias}
 736 target_cpu = ${target_cpu}
 737 target_vendor = ${target_vendor}
 738 target_os = ${target_os}
 739 target_canonical = ${target_cpu}-${target_vendor}-${target_os}
 740 EOF
 741             case "${package_makefile_frag}" in
 742               "") ;;
 743               /*) echo package_makefile_frag = ${package_makefile_frag} >>${Makefile} ;;
 744               *)  echo package_makefile_frag = ${invsubdir}${package_makefile_frag} >>${Makefile} ;;
 745             esac
 746
 747             case "${target_makefile_frag}" in
 748               "") ;;
 749               /*) echo target_makefile_frag = ${target_makefile_frag} >>${Makefile} ;;
 750               *)  echo target_makefile_frag = ${invsubdir}${target_makefile_frag} >>${Makefile} ;;
 751             esac
 752
 753             case "${host_makefile_frag}" in
 754               "") ;;
 755               /*) echo host_makefile_frag = ${host_makefile_frag} >>${Makefile} ;;
 756               *)  echo host_makefile_frag = ${invsubdir}${host_makefile_frag} >>${Makefile} ;;
 757             esac
 758
 759             if [ "${site_makefile_frag}" != "" ] ; then
 760                 echo site_makefile_frag = ${invsubdir}${site_makefile_frag} >>${Makefile}
 761             fi
 762
 763             # fixme: this shouldn't be in configure.
 764             # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
 765             case "${host_alias}" in
 766               "${target_alias}")
 767                       echo "ALL=all.internal" >> ${Makefile}
 768                       ;;
 769               *)
 770                       echo "CROSS=-DCROSS_COMPILE" >> ${Makefile}
 771                       echo "ALL=all.cross" >> ${Makefile}
 772                       ;;
 773             esac
 774
 775             # reset prefix, exec_prefix, srcdir, SUBDIRS, NONSUBDIRS,
 776             # remove any form feeds.
 777             if [ -z "${subdirs}" ]; then
 778                 rm -f ${subdir}/Makefile.tem2
 779                 sed -e "s:^SUBDIRS[         ]*=.*$:SUBDIRS = ${configdirs}:" \
 780                     -e "s:^NONSUBDIRS[      ]*=.*$:NONSUBDIRS = ${noconfigdirs}:" \
 781                     ${subdir}/Makefile.tem > ${subdir}/Makefile.tem2
 782                 rm -f ${subdir}/Makefile.tem
 783                 mv ${subdir}/Makefile.tem2 ${subdir}/Makefile.tem
 784             fi
 785             sed -e "s:^prefix[      ]*=.*$:prefix = ${prefix}:" \
 786                     -e "s:^exec_prefix[     ]*=.*$:exec_prefix = ${exec_prefix}:" \
 787                     -e "s:^srcdir[  ]*=.*$:srcdir = ${makesrcdir}:" \
 788                     -e "s/\f//" \
 789                     -e "s:^program_prefix[  ]*=.*$:program_prefix = ${program_prefix}:" \
 790                     -e "s:^program_suffix[  ]*=.*$:program_suffix = ${program_suffix}:" \
 791                     -e "s:^program_transform_name[  ]*=.*$:program_transform_name = ${program_transform_name}:" \
 792                     -e "s:^tooldir[         ]*=.*$:tooldir = ${tooldir}:" \
 793                     ${subdir}/Makefile.tem >> ${Makefile}
 794             # final copy now in ${Makefile}
 795
 796         else
 797            echo "No Makefile.in found in ${srcdir}, unable to configure" 1>&2
 798         fi
 799
 800         rm -f ${subdir}/Makefile.tem
 801
 802         case "${host_makefile_frag}" in
 803         "") using= ;;
 804         *) using="and \"${host_makefile_frag}\"" ;;
 805         esac
 806
 807         case "${target_makefile_frag}" in
 808         "") ;;
 809         *) using="${using} and \"${target_makefile_frag}\"" ;;
 810         esac
 811
 812         case "${site_makefile_frag}" in
 813         "") ;;
 814         *) using="${using} and \"${site_makefile_frag}\"" ;;
 815         esac
 816
 817         newusing=`echo "${using}" | sed 's/and/using/'`
 818         using=${newusing}
 819         echo "Created \"${Makefile}\" in" ${PWD=`pwd`} ${using}
 820
 821         . ${tmpfile}.pos
 822
 823         # describe the chosen configuration in config.status.
 824         # Make that file a shellscript which will reestablish
 825         # the same configuration.  Used in Makefiles to rebuild
 826         # Makefiles.
 827
 828         case "${norecursion}" in
 829         "") arguments="${arguments} -norecursion" ;;
 830         *) ;;
 831         esac
 832
 833         if [ ${subdir} = . ] ; then
 834             echo "#!/bin/sh
 835 # ${NO_EDIT}
 836 # This directory was configured as follows:
 837 ${progname}" ${arguments}  "
 838 # ${using}" > ${subdir}/config.new
 839         else
 840             echo "#!/bin/sh
 841 # ${NO_EDIT}
 842 # This directory was configured as follows:
 843 cd ${invsubdir}
 844 ${progname}" ${arguments}  "
 845 # ${using}" > ${subdir}/config.new
 846         fi
 847         chmod a+x ${subdir}/config.new
 848         if [ -r ${subdir}/config.back ] ; then
 849                 mv -f ${subdir}/config.back ${subdir}/config.status
 850         fi
 851         ${moveifchange} ${subdir}/config.new ${subdir}/config.status
 852         ;;
 853
 854     *)  rm -f ${Makefile} ${subdir}/config.status ${links} ;;
 855     esac
 856 done
 857
 858 # If there are subdirectories, then recur.
 859 if [ -z "${norecursion}" -a -n "${configdirs}" ] ; then
 860         for configdir in ${configdirs} ; do
 861
 862                 if [ -d ${srcdir}/${configdir} ] ; then
 863                         eval echo Configuring ${configdir}... ${redirect}
 864                         case "${srcdir}" in
 865                         ".") ;;
 866                         *)
 867                                 if [ ! -d ./${configdir} ] ; then
 868                                         if mkdir ./${configdir} ; then
 869                                                 true
 870                                         else
 871                                                 echo '***' "${progname}: could not make ${PWD=`pwd`}/${configdir}" 1>&2
 872                                                 exit 1
 873                                         fi
 874                                 fi
 875                                 ;;
 876                         esac
 877
 878                         POPDIR=${PWD=`pwd`}
 879                         cd ${configdir}
 880
 881 ### figure out what to do with srcdir
 882                         case "${srcdir}" in
 883                         ".") newsrcdir=${srcdir} ;; # no -srcdir option.  We're building in place.
 884                         /*) # absolute path
 885                                 newsrcdir=${srcdir}/${configdir}
 886                                 srcdiroption="-srcdir=${newsrcdir}"
 887                                 ;;
 888                         *) # otherwise relative
 889                                 newsrcdir=../${srcdir}/${configdir}
 890                                 srcdiroption="-srcdir=${newsrcdir}"
 891                                 ;;
 892                         esac
 893
 894 ### check for guested configure, otherwise fix possibly relative progname
 895                         if [ -f ${newsrcdir}/configure ] ; then
 896                                 recprog=${newsrcdir}/configure
 897                         else
 898                                 case "${progname}" in
 899                                 /*)     recprog=${progname} ;;
 900                                 *)      recprog=../${progname} ;;
 901                                 esac
 902                         fi
 903
 904 ### The recursion line is here.
 905                         if eval ${recprog} ${verbose} --host=${host_alias} --target=${target_alias} \
 906                                 ${prefixoption} ${tmpdiroption} ${exec_prefixoption} \
 907                                 ${srcdiroption} ${program_prefixoption} ${program_suffixoption} ${program_transform_nameoption} ${site_option} ${withoptions} ${withoutoptions} ${removing} ${redirect} ; then
 908                                 true
 909                         else
 910                                 exit 1
 911                         fi
 912
 913                         cd ${POPDIR}
 914                 fi
 915         done
 916 fi
 917
 918 exit 0
 919
 920 #
 921 # Local Variables:
 922 # fill-column: 131
 923 # End:
 924 #
 925
 926 # end of configure