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 hostsubdir=
  54 norecurse=
  55 removing=
  56 srcdir=
  57 target=
  58 targetsubdir=
  59 template=
  60
  61 for arg in $*;
  62 do
  63         case $arg in
  64         -ansi | +ansi)
  65                 ansi=true
  66                 ;;
  67         -forcesubdirs | +f*)
  68                 forcesubdirs=${arg}
  69                 ;;
  70         -host=* | +host=* | +hos=* | +ho=* | +h=*)
  71                 host=`echo $arg | sed 's/[+-]h[a-z]*=//'`
  72                 ;;
  73         -languages=* | +languages=* | +language=* | +languag=* \
  74                 | +langua=* | +langu=* | +lang=* | +lan=* | +la=* \
  75                 | +l=*)
  76                 languages="$languages `echo $arg | sed 's/[+-]l[a-z]*=//'`"
  77                 ;;
  78         -gas | +gas | +ga | +g)
  79                 gas=yes
  80                 ;;
  81         -nfp | +nfp | +nf | +n)
  82                 nfp=yes
  83                 ;;
  84         -norecurse | +norecurse)
  85                 norecurse=true
  86                 ;;
  87         -rm | +rm)
  88                 removing=$arg
  89                 ;;
  90         -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
  91                 srcdir=`echo $arg | sed 's/[+-]s[a-z]*=//'`
  92                 ;;
  93         -template=* | +template=*)
  94                 template=`echo $arg | sed 's/[+-]template=//'`
  95                 ;;
  96         *)
  97 # Allow configure HOST TARGET
  98                 if [ x$host = x ] ; then host=$target ; fi
  99                 target=$arg
 100                 ;;
 101         esac
 102 done
 103
 104 # process host and target only if not rebuilding configure itself or removing.
 105 if [ -z "$template" -a -z "$removing" ]
 106 then
 107         # Complain if an arg is missing
 108         if [ -z "$target" ]
 109         then
 110                 echo "Usage: $progname [+srcdir=DIR] [+host=HOST] [+gas] [+nfp] TARGET"
 111                 echo -n "Where HOST and TARGET are something like "
 112                 echo "\`vax', \`sun3', \`encore', etc."
 113                 if [ -r config.status ]
 114                 then
 115                         cat config.status
 116                 fi
 117                 exit 1
 118         fi
 119 fi
 120
 121 # Default other arg
 122 if [ -z "$host" ]
 123 then
 124         host=$target
 125 fi
 126
 127 #### configure.in files come in here.
 128 # This file is a shell script fragment that supplies the information
 129 # necessary to tailor a template configure script into the configure
 130 # script appropriate for this directory.  For more information, check
 131 # any existing configure script.
 132
 133 configdirs="bfd binutils ld gas gcc"
 134 srctrigger=README.configure
 135 srcname="gnu development package"
 136 ### end of configure.in
 137
 138 # are we rebuilding config itself?
 139 if [ -n "$template" ]
 140 then
 141         if [ ! -r $template ]
 142         then
 143                 echo "Can't find template ${template}."
 144                 exit 1
 145         fi
 146
 147         mv configure configure.old
 148         echo "#!/bin/sh" > configure
 149         echo "# Please do not edit this file.  It is generated automatically from" >> configure
 150         echo "# configure.in and a configure template." >> configure
 151         echo "configdirs=" >> configure
 152         echo >> configure
 153
 154         if [ -r configure.in ]
 155         then
 156                 sed -e "/^####/  r configure.in" $template >> configure
 157         else
 158                 cat $template >> configure
 159         fi
 160
 161         chmod a+x configure
 162         rm configure.old
 163         echo Rebuilt configure in `pwd`
 164
 165         if [ x$norecurse = x ]
 166         then
 167                 while [ -n "$configdirs" ]
 168                 do
 169                         # set configdir to car of configdirs, configdirs to cdr of configdirs
 170                         set $configdirs; configdir=$1; shift; configdirs=$*
 171
 172                         if [ "`echo ${configdir}.*`" != "${configdir}.*" ]
 173                         then
 174                                 targetspecificdirs=${configdir}.*
 175                         else
 176                                 targetspecificdirs=
 177                         fi
 178
 179                         for i in ${configdir} ${targetspecificdirs}
 180                         do
 181                                 if [ -r $i/configure ]
 182                                 then
 183                                         (cd $i ;
 184                                                 configure +template=${template})
 185                                 else
 186                                         echo No configure script in `pwd`/$i
 187                                 fi
 188                         done
 189                 done
 190         fi
 191
 192         exit 0
 193 fi
 194
 195 # Temporarily, we support only direct subdir builds.
 196 hostsubdir=Host-${host}
 197 targetsubdir=Target-${target}
 198
 199 if [ -n "${removing}" ]
 200 then
 201         if [ -d "${hostsubdir}/${targetsubdir}" ]
 202         then
 203                 rm -rf ${hostsubdir}/${targetsubdir}
 204
 205                 if [ -z "`(ls ${hostsubdir}) 2>&1 | grep Target-`" ]
 206                 then
 207                         rm -rf ${hostsubdir}
 208                 fi
 209         else
 210                 rm -f .gdbinit Makefile config.status $links
 211         fi
 212 else
 213         if [ -n "$forcesubdirs" ]
 214         then
 215                 # check for existing status before allowing forced subdirs.
 216                 if [ -f Makefile ]
 217                 then
 218                         echo "Makefile already exists in source directory.  `pwd` not configured."
 219                         exit 1
 220                 fi
 221
 222                 if [ ! -d $hostsubdir ] ; then mkdir $hostsubdir ; fi
 223                 cd $hostsubdir
 224
 225                 if [ ! -d $targetsubdir ] ; then mkdir $targetsubdir ; fi
 226                 cd $targetsubdir
 227
 228                 srcdir=../..
 229         else
 230                 # if not subdir builds, then make sure none exist.
 231                 if [ -n "`(ls .) 2>&1 | grep Host-`" ]
 232                 then
 233                         echo "Configured subdirs exist.  `pwd` not configured."
 234                         exit 1
 235                 fi
 236         fi
 237
 238         # Find the source files, if location was not specified.
 239         if [ x$srcdir = x ]
 240         then
 241                 srcdirdefaulted=1
 242                 srcdir=.
 243                 if [ ! -r ${srctrigger} ]
 244                 then
 245                         srcdir=..
 246                 fi
 247         fi
 248
 249         if [ ! -r ${srcdir}/${srctrigger} ]
 250         then
 251                 if [ -z "$srcdirdefaulted" ]
 252                 then
 253                   echo "$progname: Can't find ${srcname} sources in \`${srcdir}'." 1>&2
 254                 else
 255                   echo "$progname: Can't find ${srcname} sources in \`.' or \`..'." 1>&2
 256                 fi
 257                 exit 1
 258         fi
 259
 260         # Set up the list of links to be made.
 261         # $links is the list of link names, and $files is the list of names to link to.
 262
 263         # Make the links.
 264         while [ -n "$files" ]
 265         do
 266                 # set file to car of files, files to cdr of files
 267                 set $files; file=$1; shift; files=$*
 268                 set $links; link=$1; shift; links=$*
 269
 270                 if [ ! -r ${srcdir}/${file} ]
 271                 then
 272                         echo "$progname: cannot create a link \"${link}\"," 1>&2
 273                         echo "since the file \"$file\" does not exist." 1>&2
 274                         exit 1
 275                 fi
 276
 277                 $remove -f $link
 278                 rm -f config.status
 279                 # Make a symlink if possible, otherwise try a hard link
 280                 $symbolic_link ${srcdir}/$file $link 2>/dev/null || $hard_link ${srcdir}/$file $link
 281
 282                 if [ ! -r $link ]
 283                 then
 284                         echo "$progname: unable to link \"$link\" to \"${srcdir}/$file\"." 1>&2
 285                         exit 1
 286                 fi
 287                 echo "Linked \"$link\" to \"${srcdir}/${file}\"."
 288         done
 289
 290         # Create a .gdbinit file which runs the one in srcdir
 291         # and tells GDB to look there for source files.
 292
 293         case $srcdir in
 294         .)
 295                 ;;
 296         *)
 297                 echo "dir ." > .gdbinit
 298                 echo "dir ${srcdir}" >> .gdbinit
 299                 echo "source ${srcdir}/.gdbinit" >> .gdbinit
 300                 ;;
 301         esac
 302
 303         # Install a makefile, and make it set VPATH
 304         # if necessary so that the sources are found.
 305         # Also change its value of srcdir.
 306
 307 # FIXME-someday: This business of always writing to .tem and mv back
 308 # is so that I don't screw things up while developing.  Once this
 309 # template is stable, these should be optimized. xoxorich.
 310
 311         # Define macro CROSS_COMPILE in compilation if this is a cross-compiler.
 312         if [ x$host != x$target ]
 313         then
 314                 echo "CROSS=-DCROSS_COMPILE" > Makefile
 315                 echo "ALL=start.encap" >> Makefile
 316         else
 317                 echo "ALL=all.internal" > Makefile
 318         fi
 319
 320         # set target, host, VPATH
 321         echo "host = $host" >> Makefile
 322         echo "target = $target" >> Makefile
 323
 324         if [ -n "${forcesubdirs}" ]
 325         then
 326                 echo "subdir = /${hostsubdir}/${targetsubdir}" >> Makefile
 327         else
 328                 echo "subdir =" >> Makefile
 329         fi
 330
 331 #       echo "workdir = `pwd`" >> Makefile
 332         echo "VPATH = ${srcdir}" >> Makefile
 333
 334         # add Makefile.in
 335         cat ${srcdir}/Makefile.in >> Makefile
 336
 337         # and shake thoroughly.
 338         host_var_file=hmake-${host}
 339         target_var_file=tmake-${target}
 340
 341         # Conditionalize the makefile for this machine.
 342         if [ -f ${srcdir}/config/${host_var_file} ]
 343         then
 344                 sed -e "/^####/  r ${srcdir}/config/${host_var_file}" Makefile > Makefile.tem
 345                 mv Makefile.tem Makefile
 346         fi
 347
 348         if [ -f ${srcdir}/config/${target_var_file} ]
 349         then
 350                 sed -e "/^####/  r ${srcdir}/config/${target_var_file}" Makefile > Makefile.tem
 351                 mv Makefile.tem Makefile
 352         fi
 353
 354         sed "s@^srcdir = \.@srcdir = ${srcdir}@" Makefile > Makefile.tem
 355         mv Makefile.tem Makefile
 356
 357         # Remove all formfeeds, since some Makes get confused by them.
 358         sed "s/\f//" Makefile >> Makefile.tem
 359         mv Makefile.tem Makefile
 360
 361         # reset SUBDIRS
 362         sed "s:^SUBDIRS =.*$:SUBDIRS = ${configdirs}:" Makefile > Makefile.tem
 363         mv Makefile.tem Makefile
 364
 365         # reset NONSUBDIRS
 366         sed "s:^NONSUBDIRS =.*$:NONSUBDIRS = ${noconfigdirs}:" Makefile > Makefile.tem
 367         mv Makefile.tem Makefile
 368
 369         using=
 370         if [ -f ${srcdir}/config/${host_var_file} ]
 371         then
 372                 using=" using \"${host_var_file}\""
 373         fi
 374
 375         if [ -f ${srcdir}/config/${target_var_file} ]
 376         then
 377                 if [ -z "${using}" ]
 378                 then
 379                         andusing=" using \"${target_var_file}\""
 380                 else
 381                         andusing="${using} and \"${target_var_file}\""
 382                 fi
 383         else
 384                 andusing=${using}
 385         fi
 386
 387         echo "Created \"Makefile\""${andusing}.
 388
 389         if [ x$host = x$target ]
 390         then
 391                 echo "Links are now set up for use with a $target." \
 392                         > config.status
 393 #                       | tee ${srcdir}/config.status
 394         else
 395                 echo "Links are now set up for host $host and target $target." \
 396                         > config.status
 397 #                       | tee ${srcdir}/config.status
 398         fi
 399
 400         originaldir=`pwd`
 401         cd ${srcdir}
 402 fi
 403
 404 # If there are subdirectories, then recurse.
 405
 406 if [ -n "$norecurse" ] ; then exit 0 ; fi
 407
 408 while [ -n "$configdirs" ]
 409 do
 410         # set configdir to car of configdirs, configdirs to cdr of configdirs
 411         set $configdirs; configdir=$1; shift; configdirs=$*
 412
 413         # check for target override
 414         targetspecificdir=${configdir}.${target}
 415         if [ -d ${targetspecificdir} ]
 416         then
 417                 configdir=${targetspecificdir}
 418         fi
 419
 420         echo Configuring ${configdir}...
 421         (cd ${configdir} ;
 422                 ./configure ${forcesubdirs} ${removing} +host=${host} ${target}) \
 423                 | sed 's/^/     /'
 424 done
 425
 426 exit 0
 427
 428 #
 429 # $Log$
 430 # Revision 1.3  1991/04/11 02:41:51  rich
 431 # Cut 2 config.  Subdirs.
 432 #
 433 #
 434 #
 435
 436
 437 # end of configure.template