ld/configure

   1 #!/bin/sh
   2 # Please do not edit this file.  It is generated automatically from
   3 # configure.in and a configure template.
   4 configdirs=
   5
   6 #!/bin/sh
   7
   8 # Configuration script template
   9 #   Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.
  10
  11 #This file is part of GNU.
  12
  13 #GNU CC is free software; you can redistribute it and/or modify
  14 #it under the terms of the GNU General Public License as published by
  15 #the Free Software Foundation; either version 1, or (at your option)
  16 #any later version.
  17
  18 #GNU CC is distributed in the hope that it will be useful,
  19 #but WITHOUT ANY WARRANTY; without even the implied warranty of
  20 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21 #GNU General Public License for more details.
  22
  23 #You should have received a copy of the GNU General Public License
  24 #along with GNU CC; see the file COPYING.  If not, write to
  25 #the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  26
  27 # $Id$
  28
  29 #
  30 # Shell script to create proper links to machine-dependent files in
  31 # preparation for compiling gcc.
  32 #
  33 # Usage: configure [+srcdir=DIR] [+host=HOST] [+gas] [+nfp] TARGET
  34 #
  35 # If configure succeeds, it leaves its status in config.status.
  36 # If configure fails after disturbing the status quo,
  37 #       config.status is removed.
  38 #
  39
  40 progname=$0
  41
  42 remove=rm
  43 hard_link=ln
  44 symbolic_link='ln -s'
  45
  46 #for Test
  47 #remove="echo rm"
  48 #hard_link="echo ln"
  49 #symbolic_link="echo ln -s"
  50
  51 # clear some things potentially inherited from environment.
  52 ansi=
  53 destdir=
  54 hostsubdir=
  55 norecurse=
  56 removing=
  57 srcdir=
  58 srctrigger=
  59 target=
  60 targetsubdir=
  61 template=
  62
  63 for arg in $*;
  64 do
  65         case ${arg} in
  66         -ansi | +ansi)
  67                 ansi=true
  68                 ;;
  69         -destdir=* | +destdir=* | +destdi=* | +destd=* | +dest=* | +des=* | +de=* | +d=*)
  70                 destdir=`echo ${arg} | sed 's/[+-]d[a-z]*=//'`
  71                 ;;
  72         -forcesubdirs | +f*)
  73                 forcesubdirs=${arg}
  74                 ;;
  75         -host=* | +host=* | +hos=* | +ho=* | +h=*)
  76                 host=`echo ${arg} | sed 's/[+-]h[a-z]*=//'`
  77                 ;;
  78         -languages=* | +languages=* | +language=* | +languag=* \
  79                 | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
  80                 | +l=*)
  81                 languages="${languages} `echo ${arg} | sed 's/[+-]l[a-z]*=//'`"
  82                 ;;
  83         -gas | +gas | +ga | +g)
  84                 gas=yes
  85                 ;;
  86         -nfp | +nfp | +nf | +n)
  87                 nfp=yes
  88                 ;;
  89         -norecurse | +norecurse)
  90                 norecurse=true
  91                 ;;
  92         -rm | +rm)
  93                 removing=${arg}
  94                 ;;
  95         -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
  96                 srcdir=`echo ${arg} | sed 's/[+-]s[a-z]*=//'`
  97                 ;;
  98         -template=* | +template=*)
  99                 template=`echo ${arg} | sed 's/[+-]template=//'`
 100                 ;;
 101         *)
 102 # Allow configure HOST TARGET
 103                 if [ -z "${host}" ] ; then host=${target} ; fi
 104                 target=${arg}
 105                 ;;
 106         esac
 107 done
 108
 109 # process host and target only if not rebuilding configure itself or removing.
 110 if [ -z "${template}" -a -z "${removing}" ]
 111 then
 112         # Complain if an arg is missing
 113         if [ -z "${target}" ]
 114         then
 115                 echo "Usage: ${progname} [+srcdir=DIR] [+host=HOST] [+gas] [+nfp] TARGET"
 116                 echo -n "Where HOST and TARGET are something like "
 117                 echo "\`vax', \`sun3', \`encore', etc."
 118                 if [ -r config.status ]
 119                 then
 120                         cat config.status
 121                 fi
 122                 exit 1
 123         fi
 124 fi
 125
 126 # Default other arg
 127 if [ -z "${host}" ]
 128 then
 129         host=${target}
 130 fi
 131
 132 #### configure.in files come in here.
 133 # This file is a shell script that supplies the information necessary
 134 # to tailor a template configure script into the configure script
 135 # appropriate for this directory.  For more information, check any
 136 # existing configure script.
 137
 138 srctrigger=ldmain.c
 139 srcname="linker"
 140 files=
 141 links=
 142
 143 ### end of configure.in
 144
 145 # are we rebuilding config itself?
 146 if [ -n "${template}" ]
 147 then
 148         if [ ! -r ${template} ]
 149         then
 150                 echo "Can't find template ${template}."
 151                 exit 1
 152         fi
 153
 154         mv configure configure.old
 155         echo "#!/bin/sh" > configure
 156         echo "# Please do not edit this file.  It is generated automatically from" >> configure
 157         echo "# configure.in and a configure template." >> configure
 158         echo "configdirs=" >> configure
 159         echo >> configure
 160
 161         if [ -r configure.in ]
 162         then
 163                 sed -e "/^####/  r configure.in" ${template} >> configure
 164         else
 165                 echo Warning: no configure.in in `pwd`
 166                 cat ${template} >> configure
 167         fi
 168
 169         chmod a+x configure
 170         rm configure.old
 171         echo Rebuilt configure in `pwd`
 172
 173         if [ -z "${norecurse}" ]
 174         then
 175                 while [ -n "${configdirs}" ]
 176                 do
 177                         # set configdir to car of configdirs, configdirs to cdr of configdirs
 178                         set ${configdirs}; configdir=$1; shift; configdirs=$*
 179
 180                         if [ "`echo ${configdir}.*`" != "${configdir}.*" ]
 181                         then
 182                                 targetspecificdirs=${configdir}.*
 183                         else
 184                                 targetspecificdirs=
 185                         fi
 186
 187                         for i in ${configdir} ${targetspecificdirs}
 188                         do
 189                                 if [ -r $i/configure ]
 190                                 then
 191                                         (cd $i ;
 192                                                 configure +template=${template})
 193                                 else
 194                                         echo No configure script in `pwd`/$i
 195                                 fi
 196                         done
 197                 done
 198         fi
 199
 200         exit 0
 201 fi
 202
 203 # some sanity checks on configure.in
 204 if [ -z "${srctrigger}" ]
 205 then
 206         echo srctrigger not set in configure.in. `pwd` not configured.
 207         exit 1
 208 fi
 209
 210 # Temporarily, we support only direct subdir builds.
 211 hostsubdir=Host-${host}
 212 targetsubdir=Target-${target}
 213
 214 if [ -n "${removing}" ]
 215 then
 216         if [ -d "${hostsubdir}/${targetsubdir}" ]
 217         then
 218                 rm -rf ${hostsubdir}/${targetsubdir}
 219
 220                 if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target-`" ]
 221                 then
 222                         rm -rf ${hostsubdir}
 223                 fi
 224         else
 225                 rm -f .gdbinit Makefile config.status ${links}
 226         fi
 227 else
 228         if [ -n "${forcesubdirs}" ]
 229         then
 230                 # check for existing status before allowing forced subdirs.
 231                 if [ -f Makefile ]
 232                 then
 233                         echo "Makefile already exists in source directory.  `pwd` not configured."
 234                         exit 1
 235                 fi
 236
 237                 if [ ! -d ${hostsubdir} ] ; then mkdir ${hostsubdir} ; fi
 238                 cd ${hostsubdir}
 239
 240                 if [ ! -d ${targetsubdir} ] ; then mkdir ${targetsubdir} ; fi
 241                 cd ${targetsubdir}
 242
 243                 srcdir=../..
 244         else
 245                 # if not subdir builds, then make sure none exist.
 246                 if [ -n "`(ls .) 2>&1 | grep Host-`" ]
 247                 then
 248                         echo "Configured subdirs exist.  `pwd` not configured."
 249                         exit 1
 250                 fi
 251         fi
 252
 253         # Find the source files, if location was not specified.
 254         if [ -z "${srcdir}" ]
 255         then
 256                 srcdirdefaulted=1
 257                 srcdir=.
 258                 if [ -n "${srctrigger}" -a ! -r ${srctrigger} ]
 259                 then
 260                         srcdir=..
 261                 fi
 262         fi
 263
 264         if [ -n "${srctrigger}" -a ! -r ${srcdir}/${srctrigger} ]
 265         then
 266                 if [ -z "${srcdirdefaulted}" ]
 267                 then
 268                   echo "${progname}: Can't find ${srcname} sources in \`${srcdir}'." 1>&2
 269                 else
 270                   echo "${progname}: Can't find ${srcname} sources in \`.' or \`..'." 1>&2
 271                 fi
 272                 exit 1
 273         fi
 274
 275         # Set up the list of links to be made.
 276         # ${links} is the list of link names, and ${files} is the list of names to link to.
 277
 278         # Make the links.
 279         while [ -n "${files}" ]
 280         do
 281                 # set file to car of files, files to cdr of files
 282                 set ${files}; file=$1; shift; files=$*
 283                 set ${links}; link=$1; shift; links=$*
 284
 285                 if [ ! -r ${srcdir}/${file} ]
 286                 then
 287                         echo "${progname}: cannot create a link \"${link}\"," 1>&2
 288                         echo "since the file \"${file}\" does not exist." 1>&2
 289                         exit 1
 290                 fi
 291
 292                 ${remove} -f ${link}
 293                 rm -f config.status
 294                 # Make a symlink if possible, otherwise try a hard link
 295                 ${symbolic_link} ${srcdir}/${file} ${link} 2>/dev/null || ${hard_link} ${srcdir}/${file} ${link}
 296
 297                 if [ ! -r ${link} ]
 298                 then
 299                         echo "${progname}: unable to link \"${link}\" to \"${srcdir}/${file}\"." 1>&2
 300                         exit 1
 301                 fi
 302                 echo "Linked \"${link}\" to \"${srcdir}/${file}\"."
 303         done
 304
 305         # Create a .gdbinit file which runs the one in srcdir
 306         # and tells GDB to look there for source files.
 307
 308         case ${srcdir} in
 309         .)
 310                 ;;
 311         *)
 312                 echo "dir ." > .gdbinit
 313                 echo "dir ${srcdir}" >> .gdbinit
 314                 echo "source ${srcdir}/.gdbinit" >> .gdbinit
 315                 ;;
 316         esac
 317
 318         # Install a makefile, and make it set VPATH
 319         # if necessary so that the sources are found.
 320         # Also change its value of srcdir.
 321
 322 # FIXME-someday: This business of always writing to .tem and mv back
 323 # is so that I don't screw things up while developing.  Once this
 324 # template is stable, these should be optimized. xoxorich.
 325
 326         # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
 327         if [ "${host}" != "${target}" ]
 328         then
 329                 echo "CROSS=-DCROSS_COMPILE" > Makefile
 330                 echo "ALL=start.encap" >> Makefile
 331         else
 332                 echo "ALL=all.internal" > Makefile
 333         fi
 334
 335         # set target, host, VPATH
 336         echo "host = ${host}" >> Makefile
 337         echo "target = ${target}" >> Makefile
 338
 339         if [ -n "${forcesubdirs}" ]
 340         then
 341                 echo "subdir = /${hostsubdir}/${targetsubdir}" >> Makefile
 342         else
 343                 echo "subdir =" >> Makefile
 344         fi
 345
 346 #       echo "workdir = `pwd`" >> Makefile
 347         echo "VPATH = ${srcdir}" >> Makefile
 348
 349         # add Makefile.in
 350         cat ${srcdir}/Makefile.in >> Makefile
 351
 352         # and shake thoroughly.
 353         host_var_file=hmake-${host}
 354         target_var_file=tmake-${target}
 355
 356         # Conditionalize the makefile for this host.
 357         if [ -f ${srcdir}/config/${host_var_file} ]
 358         then
 359                 sed -e "/^####/  r ${srcdir}/config/${host_var_file}" Makefile > Makefile.tem
 360                 mv Makefile.tem Makefile
 361         fi
 362
 363         # Conditionalize the makefile for this target.
 364         if [ -f ${srcdir}/config/${target_var_file} ]
 365         then
 366                 sed -e "/^####/  r ${srcdir}/config/${target_var_file}" Makefile > Makefile.tem
 367                 mv Makefile.tem Makefile
 368         fi
 369
 370         # set srcdir
 371         sed "s@^srcdir = \.@srcdir = ${srcdir}@" Makefile > Makefile.tem
 372         mv Makefile.tem Makefile
 373
 374         # set destdir
 375         if [ -n "${destdir}" ]
 376         then
 377                 sed "s:^destdir =.*$:destdir = ${destdir}:" Makefile > Makefile.tem
 378                 mv Makefile.tem Makefile
 379         fi
 380
 381         # Remove all formfeeds, since some Makes get confused by them.
 382         sed "s/\f//" Makefile >> Makefile.tem
 383         mv Makefile.tem Makefile
 384
 385         # reset SUBDIRS
 386         sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" Makefile > Makefile.tem
 387         mv Makefile.tem Makefile
 388
 389         # reset NONSUBDIRS
 390         sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" Makefile > Makefile.tem
 391         mv Makefile.tem Makefile
 392
 393         using=
 394         if [ -f ${srcdir}/config/${host_var_file} ]
 395         then
 396                 using=" using \"${host_var_file}\""
 397         fi
 398
 399         if [ -f ${srcdir}/config/${target_var_file} ]
 400         then
 401                 if [ -z "${using}" ]
 402                 then
 403                         andusing=" using \"${target_var_file}\""
 404                 else
 405                         andusing="${using} and \"${target_var_file}\""
 406                 fi
 407         else
 408                 andusing=${using}
 409         fi
 410
 411         echo "Created \"Makefile\""${andusing}.
 412
 413         if [ "${host}" = "${target}" ]
 414         then
 415                 echo "Links are now set up for use with a ${target}." \
 416                         > config.status
 417 #                       | tee ${srcdir}/config.status
 418         else
 419                 echo "Links are now set up for host ${host} and target ${target}." \
 420                         > config.status
 421 #                       | tee ${srcdir}/config.status
 422         fi
 423
 424         originaldir=`pwd`
 425         cd ${srcdir}
 426 fi
 427
 428 # If there are subdirectories, then recurse.
 429
 430 if [ -n "${norecurse}" ] ; then exit 0 ; fi
 431
 432 while [ -n "${configdirs}" ]
 433 do
 434         # set configdir to car of configdirs, configdirs to cdr of configdirs
 435         set ${configdirs}; configdir=$1; shift; configdirs=$*
 436
 437         # check for target override
 438         targetspecificdir=${configdir}.${target}
 439         if [ -d ${targetspecificdir} ]
 440         then
 441                 configdir=${targetspecificdir}
 442         fi
 443
 444         echo Configuring ${configdir}...
 445         (cd ${configdir} ;
 446                 ./configure ${forcesubdirs} ${removing} +host=${host} ${target}) \
 447                 | sed 's/^/     /'
 448 done
 449
 450 exit 0
 451
 452 #
 453 # $Log$
 454 # Revision 1.4  1991/04/13 02:07:08  rich
 455 # Config cut 3.  We now almost install a29k.
 456 #
 457 # Revision 1.3  1991/04/11  02:41:54  rich
 458 # Cut 2 config.  Subdirs.
 459 #
 460 #
 461 #
 462
 463
 464 # end of configure.template