gas/configure.was

   1 #!/bin/sh
   2 # Configuration script for GNU GAS
   3 #   Copyright (C) 1988, 1990, 1991 Free Software Foundation, Inc.
   4
   5 #This file is not yet part of GNU GAS.
   6
   7 #GNU GAS is free software; you can redistribute it and/or modify
   8 #it under the terms of the GNU General Public License as published by
   9 #the Free Software Foundation; either version 1, or (at your option)
  10 #any later version.
  11
  12 #GNU GAS is distributed in the hope that it will be useful,
  13 #but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 #MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 #GNU General Public License for more details.
  16
  17 #You should have received a copy of the GNU General Public License
  18 #along with GNU GAS; see the file COPYING.  If not, write to
  19 #the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  20
  21 # $Id$
  22
  23 #
  24 # Shell script to create proper links to machine-dependent files in
  25 # preparation for compiling gas.
  26 #
  27 # Usage: configure [-srcdir=DIR] [-host=HOST] TARGET
  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 progname=$0
  35
  36 remove=rm
  37 hard_link=ln
  38 symbolic_link='ln -s'
  39
  40 host=
  41 target=
  42
  43 #for Test
  44 #remove="echo rm"
  45 #hard_link="echo ln"
  46 #symbolic_link="echo ln -s"
  47
  48 for arg in $*;
  49 do
  50   case $arg in
  51    -srcdir=* | +srcdir=* | +srcdi=* | +srcd=* | +src=* | +sr=* | +s=*)
  52         srcdir=`echo $arg | sed 's/[+-]s[a-z]*=//'`
  53         ;;
  54    -host=* | +host=* | +hos=* | +ho=* | +h=*)
  55         host=`echo $arg | sed 's/[+-]h[a-z]*=//'`
  56         ;;
  57    *)
  58 # Allow configure HOST TARGET
  59         if [ x$host = x ]
  60         then
  61                 host=$target
  62         fi
  63         target=$arg
  64         ;;
  65   esac
  66 done
  67
  68 # Complain if an arg is missing
  69 if [ x$target = x ]
  70 then
  71         echo "Usage: $progname [+srcdir=DIR] [+host=HOST] TARGET"
  72         echo -n "Where HOST and TARGET are something like "
  73         echo "\`vax', \`sun3', \`encore', etc."
  74         if [ -r config.status ]
  75         then
  76                 cat config.status
  77         fi
  78         exit 1
  79 fi
  80
  81 # Default other arg
  82 if [ x$host = x ]
  83 then
  84         host=$target
  85 fi
  86
  87 # Find the source files, if location was not specified.
  88 if [ x$srcdir = x ]
  89 then
  90         srcdirdefaulted=1
  91         srcdir=.
  92         if [ ! -r as.c ]
  93         then
  94                 srcdir=..
  95         fi
  96 fi
  97
  98 if [ ! -r ${srcdir}/as.c ]
  99 then
 100         if [ x$srcdirdefaulted = x ]
 101         then
 102           echo "$progname: Can't find assembler sources in \`${srcdir}'." 1>&2
 103         else
 104           echo "$progname: Can't find assembler sources in \`.' or \`..'." 1>&2
 105         fi
 106         exit 1
 107 fi
 108
 109 # Decode the host machine, then the target machine.
 110 # For the host machine, we save the ho variable as host_ho;
 111 # then we decode the target machine and forget everything else
 112 # that came from the host machine.
 113 for machine in $host $target; do
 114         tc=
 115         obj=
 116
 117         host_header=
 118         obj_header=
 119         obj_source=
 120         te_header=
 121         tc_header=
 122         tc_source=
 123
 124         make_var_file=
 125
 126         case $machine in
 127         generic)
 128                 ;;
 129         i860)
 130                 tc=i860
 131                 obj=aout
 132                 ;;
 133         pmax | dec3100)
 134                 ho=pmax
 135                 ;;
 136         sun386)
 137                 ho=sun386
 138                 ;;
 139         sun4 | sun4-aout | sun-4 | sun4-os4 | sun-4-os4)
 140                 ho=sun4
 141                 tc=sparc
 142                 obj=aout
 143                 ;;
 144         sun4-bout)
 145                 tc=sparc
 146                 obj=bout
 147                 ;;
 148         sun4-bfd-sunos)
 149                 tc=sparc
 150                 obj=bfd-sunos
 151                 ;;
 152         i960 | i960-coff)
 153                 tc=i960
 154                 obj=coff
 155                 te=ic960
 156                 ;;
 157         i960-bout)
 158                 tc=i960
 159                 obj=bout
 160                 ;;
 161         i960-aout)
 162                 tc=i960
 163                 obj=aout
 164                 ;;
 165         sun3 | sun3-aout)
 166                 ho=sun3
 167                 tc=m68k
 168                 obj=aout
 169                 te=sun3
 170                 ;;
 171         a29k | a29k-aout)
 172                 tc=a29k
 173                 obj=aout
 174                 ;;
 175         a29k-coff)
 176                 tc=a29k
 177                 obj=coff
 178                 ;;
 179         i386)
 180                 tc=i386
 181                 obj=aout
 182                 ;;
 183         ns32k)
 184                 tc=ns32k
 185                 obj=aout
 186                 ;;
 187         vax)
 188                 tc=vax
 189                 obj=aout
 190                 ;;
 191         rs6000)
 192                 ;;
 193         esac
 194         if [ x$pass1done = x ]
 195         then
 196                 if [ x$ho = x ]; then ho=$host; fi
 197                 if [ x$ho_header = x ]; then ho_ho_header=ho-$ho.h
 198                 else ho_ho_header=$ho_header
 199                 fi
 200                 if [ x$make_var_file = x ]
 201                 then make_var_file=make-$ho; fi
 202                 ho_make_var_file=$make_var_file
 203                 pass1done=yes
 204         else
 205                 host_make_var_file=$ho_make_var_file
 206                 ho_header=$ho_ho_header
 207         fi
 208 done
 209
 210
 211 # Default the machine-specific variables that were not explicitly set.
 212 if [ x$te = x ]
 213 then te=generic; fi
 214
 215 if [ x$te_header = x ]
 216 then te_header=te-$te.h; fi
 217
 218
 219 if [ x$tc = x ]
 220 then tc=generic; fi
 221
 222 if [ x$tc_header = x ]
 223 then tc_header=tc-$tc.h; fi
 224
 225 if [ x$tc_source = x ]
 226 then tc_source=tc-$tc.c; fi
 227
 228
 229 if [ x$obj = x ]
 230 then obj=generic; fi
 231
 232 if [ x$obj_header = x ]
 233 then obj_header=obj-$obj.h; fi
 234
 235 if [ x$obj_source = x ]
 236 then obj_source=obj-$obj.c; fi
 237
 238
 239 if [ x$atof_source = x ]
 240 then atof_source=atof-ieee.c; fi
 241
 242 # Set up the list of links to be made.
 243 # $links is the list of link names, and $files is the list of names to link to.
 244 files="$ho_header $te_header $tc_header $tc_source $obj_header $obj_source $atof_source"
 245 links="host.h targ-env.h targ-cpu.h targ-cpu.c obj-format.h obj-format.c atof-targ.c"
 246
 247 # Make the links.
 248 while [ -n "$files" ]
 249 do
 250         # set file to car of files, files to cdr of files
 251         set $files; file=$1; shift; files=$*
 252         set $links; link=$1; shift; links=$*
 253
 254         if [ ! -r ${srcdir}/config/$file ]
 255         then
 256                 echo "$progname: cannot create a link \`$link'," 1>&2
 257                 echo "since the file \`config/$file' does not exist." 1>&2
 258                 exit 1
 259         fi
 260
 261         $remove -f $link
 262         rm -f config.status
 263         # Make a symlink if possible, otherwise try a hard link
 264         $symbolic_link ${srcdir}/config/$file $link 2>/dev/null || $hard_link ${srcdir}/config/$file $link
 265
 266         if [ ! -r $link ]
 267         then
 268                 echo "$progname: unable to link \`$link' to \`${srcdir}/config/$file'." 1>&2
 269                 exit 1
 270         fi
 271         echo "Linked \`$link' to \`${srcdir}/config/$file'."
 272 done
 273
 274 # Build a Makefile
 275
 276 # Install a makefile, and make it set srcdir
 277 # if necessary so that the sources are found.
 278 # Also change its value of srcdir.
 279 # Also create a .gdbinit file which runs the one in srcdir
 280 # and tells GDB to look there for source files.
 281 case $srcdir in
 282 .)
 283         ;;
 284 *)
 285         echo "VPATH = ${srcdir}" > x
 286         cat x ${srcdir}/Makefile.in | sed "s@^srcdir = \.@srcdir = ${srcdir}@" > Makefile.in
 287         rm x
 288         echo "dir ." > .gdbinit
 289         echo "dir ${srcdir}" >> .gdbinit
 290         echo "source ${srcdir}/.gdbinit" >> .gdbinit
 291         ;;
 292 esac
 293
 294 # Conditionalize the makefile for this machine.
 295 if [ -f ${srcdir}/config/${host_make_var_file} ]
 296 then
 297         sed -e "/####/  r ${srcdir}/config/${host_make_var_file}" Makefile.in > Makefile.tem
 298 else
 299         cp Makefile.in Makefile.tem
 300 fi
 301
 302 # Remove all formfeeds, since some Makes get confused by them.
 303 sed "s/\f//" Makefile.tem > Makefile.tem1
 304
 305 # Delete the intermediate files
 306 rm Makefile.tem
 307 if [ x$srcdir != x. ]
 308 then
 309         rm Makefile.in
 310 fi
 311
 312
 313 # actual Makefile starts here.
 314
 315 echo "host = $host" > Makefile
 316 echo "target = $target" >> Makefile
 317
 318 # Define macro CROSS_ASSEMBLE in compilation if this is a cross-assembler.
 319 if [ x$host = x$target ]
 320 then
 321         sed "/^ALL=gas/s//ALL=bootstrap/" < Makefile.tem1 >> Makefile
 322 else
 323         echo "CROSS=-DCROSS_ASSEMBLE" >> Makefile
 324         cat Makefile.tem1 >> Makefile
 325 fi
 326
 327 rm Makefile.tem1
 328
 329 echo "Edited the makefile"
 330
 331 if [ x$host = x$target ]
 332 then
 333         echo "Links are now set up for use with a $target." \
 334                 | tee config.status
 335 else
 336         echo "Links are now set up for host $host and target $target." \
 337                 | tee config.status
 338 fi
 339
 340 exit 0