gas/configure.in

   1 # This file is configure.in
   2 #
   3 #   Copyright (C) 1987-1992,1993,1994 Free Software Foundation, Inc.
   4 #
   5 #  This file is part of GAS, the GNU Assembler.
   6 #
   7 #   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 2, or (at your option)
  10 #   any later version.
  11 #
  12 #   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 GAS; see the file COPYING.  If not, write to
  19 #   the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
  20 #
  21
  22 # This file was written, and is maintained by K. Richard Pixley
  23 # <rich@cygnus.com>.
  24
  25 # This file is a shell script that supplies the information necessary
  26 # to tailor a template configure script into the configure script
  27 # appropriate for this directory.  For more information, check any
  28 # existing configure script.
  29
  30 srctrigger=as.c
  31 srcname="gas"
  32 need_bfd=no
  33 bfd_gas=no
  34 configdirs="doc testsuite"
  35
  36 # per-host:
  37
  38 gas_host=generic
  39
  40 case "${host}" in
  41   a29k-*-*)                     gas_host=a29k           ;;
  42
  43   alpha-*-osf*)                 gas_host=ansi           ;;
  44
  45   hppa*-*-hpux*)                gas_host=hpux           ;;
  46   hppa*-*-bsd*)                 gas_host=hppabsd        ;;
  47   hppa*-*-osf*)                 gas_host=hppaosf        ;;
  48   hppa*-*-hiux*)                gas_host=hpux           ;;
  49
  50   i[34]86-ibm-aix*)             gas_host=i386aix        ;;
  51   i[34]86-*-isc*)               gas_host=sysv           ;;
  52   i386-sun-sunos*)              gas_host=sun386         ;;
  53   i386-*-mach*)                 gas_host=mach3          ;;
  54
  55   m68k-sun-sunos*)              gas_host=sun3           ;;
  56   m68*-*-hpux)                  gas_host=hpux           ;;
  57
  58   mips*-dec-ultrix*)            gas_host=decstatn       ;;
  59   mips*-*-bsd*)                 gas_host=mipsbsd        ;;
  60   mips*-sgi-irix*)              gas_host=irix           ;;
  61
  62   rs6000-*-*)                   gas_host=rs6000         ;;
  63
  64   sparc-sun-sunos*)             gas_host=sun4           ;;
  65   sparc-sun-solaris2*)          gas_host=sysv           ;;
  66
  67   vax-*-vms*)                   gas_host=vms            ;;
  68   vax-*-bsd*)                   gas_host=vax            ;;
  69   vax-*-ultrix*)                gas_host=vax            ;;
  70
  71   *-*-sysv4* | *-*-unixware)    gas_host=sysv           ;;
  72
  73   *-*-ansi | *-*-hpux | *-*-sysv)
  74                                 gas_host=${host_os}     ;;
  75
  76 esac
  77
  78 if [ ! -r ${srcdir}/config/ho-${gas_host}.h ]; then
  79   echo '*** GAS does not support host' ${host} 1>&2
  80   exit 1
  81 fi
  82
  83 # per-target:
  84
  85 case ${with_bfd_assembler} in
  86   yes)
  87     echo "*** Warning:  GAS BFD configuration option not yet fully supported" 1>&2
  88     need_bfd=yes
  89     bfd_gas=yes
  90     ;;
  91   no | "")
  92     ;;
  93   *)
  94     echo "*** Bad value \"${with_bfd_assembler}\" for --with-bfd-assembler option" 1>&2
  95     exit 1
  96     ;;
  97 esac
  98
  99 # assign cpu type
 100 emulation=generic
 101
 102 # default is big
 103 endian=big
 104
 105 # check for architecture variants
 106 case ${target_cpu} in
 107   # Actually we've only got support for the 1.1, so we shouldn't generalize,
 108   # but this is what the support files are named...
 109   hppa*)        cpu_type=hppa ;;
 110   i486)         cpu_type=i386 ;;
 111   m680[01234]0) cpu_type=m68k ;;
 112   m68008)       cpu_type=m68k ;;
 113   m683??)       cpu_type=m68k ;;
 114   m8*)          cpu_type=m88k ;;
 115   mips*el)      cpu_type=mips endian=little;;
 116   mips*)        cpu_type=mips ;;
 117   powerpc*)     cpu_type=ppc ;;
 118   rs6000*)      cpu_type=ppc ;;
 119   sparc64)      cpu_type=sparc64 obj_format=elf ;; # v9
 120   sparclite*)   cpu_type=sparc ;;
 121   *)            cpu_type=${target_cpu} ;;
 122 esac
 123
 124 # do we need the opcodes library?
 125 case ${cpu_type} in
 126   alpha | vax)
 127     opcodes=
 128     ;;
 129   *)
 130     opcodes="../opcodes/libopcodes.a"
 131     ;;
 132 esac
 133
 134 gas_target=${cpu_type}
 135 generic_target=${cpu_type}-${target_vendor}-${target_os}
 136 dev=no
 137
 138 # assign object format
 139 case ${generic_target} in
 140   a29k-amd-udi)         obj_format=coffbfd gas_target=ebmon29k ;;
 141   a29k-amd-ebmon)       obj_format=coffbfd gas_target=ebmon29k ;;
 142
 143   alpha-*-netware*)     obj_format=ecoff ;;
 144   alpha-*-osf*)         obj_format=ecoff ;;
 145
 146   hppa-*-*elf*)         obj_format=elf emulation=hppa ;;
 147   hppa-*-osf*)          obj_format=som emulation=hppa ;;
 148   hppa-*-hpux*)         obj_format=som emulation=hppa ;;
 149   hppa-*-bsd*)          obj_format=som emulation=hppa ;;
 150   hppa-*-hiux*)         obj_format=som emulation=hppa ;;
 151
 152   h8300-*-coff)         obj_format=coffbfd ;;
 153
 154   i386-ibm-aix*)        obj_format=coffbfd gas_target=i386coff
 155                          emulation=i386aix ;;
 156   i386-*-bsd*)          obj_format=aout emulation=386bsd ;;
 157   i386-*-netbsd0.8)     obj_format=aout emulation=netbsd ;;
 158   i386-*-netbsd*)       obj_format=aout emulation=netbsd ;;
 159   i386-*-linux*elf*)    obj_format=elf  emulation=linux ;;
 160   i386-*-linux*coff*)   obj_format=coffbfd emulation=linux
 161                          gas_target=i386coff ;;
 162   i386-*-linux*)        obj_format=aout emulation=linux ;;
 163   i386-*-lynxos*)       obj_format=coffbfd gas_target=i386coff
 164                          emulation=lynx ;;
 165   i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
 166                         obj_format=elf ;;
 167   i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*)
 168                         obj_format=coffbfd gas_target=i386coff ;;
 169   i386-*-vsta)          obj_format=aout ;;
 170   i386-*-go32)          obj_format=aout ;;
 171   i386-*-mach*)         obj_format=aout emulation=mach bfd_gas=yes ;;
 172
 173   i960-*-bout)          obj_format=bout ;;
 174   i960-*-coff)          obj_format=coffbfd emulation=ic960 gas_target=ic960coff ;;
 175   i960-*-nindy*)        obj_format=bout ;;
 176   i960-*-vxworks4*)     obj_format=bout ;;
 177   i960-*-vxworks5.0)    obj_format=bout ;;
 178   i960-*-vxworks5.*)    obj_format=coffbfd emulation=ic960 gas_target=ic960coff ;;
 179   i960-*-vxworks*)      obj_format=bout ;;
 180
 181   m68k-wrs-vxworks | m68k-ericsson-ose | m68k-*-sunos*)
 182                         obj_format=aout emulation=sun3 ;;
 183   m68k-motorola-sysv)   obj_format=coffbfd gas_target=m68kcoff emulation=delta ;;
 184 # The dpx2-specific support has apparently not been used in a while, or
 185 # it's not currently required.  Either way, I've heard nothing about it,
 186 # and the configure.in code that would've selected te-dpx2.h wasn't being
 187 # reached because of the m68k-*-sysv* line below.  This was (I think) the
 188 # last target using obj-coff.c without BFD_ASSEMBLER.  I want to blast that
 189 # code.  So if you really need te-dpx2.h, start with this for now, and try
 190 # to make it work:
 191 # m68k-bull-sysv3*)     obj_format=coffbfd gas_target=m68kcoff emulation=dpx2 ;;
 192   m68k-*-coff | m68k-*-sysv*)
 193                         obj_format=coffbfd gas_target=m68kcoff ;;
 194   m68k-*-hpux)          obj_format=hp300 emulation=hp300 ;;
 195   m68k-*-lynxos*)       obj_format=coffbfd gas_target=m68kcoff
 196                          emulation=lynx ;;
 197
 198   m88k-*-coff*)         obj_format=coffbfd gas_target=m88kcoff ;;
 199
 200   # don't change emulation like *-*-bsd does
 201   mips-*-bsd*)          bfd_gas=yes obj_format=aout gas_target=mips-lit ;;
 202   mips-*-ultrix*)       obj_format=ecoff gas_target=mips-lit ;;
 203   mips-*-ecoff*)        obj_format=ecoff
 204                         if [ $endian = big ] ; then
 205                           gas_target=mips-big
 206                         else
 207                           gas_target=mips-lit
 208                         fi
 209                         ;;
 210   mips-*-ecoff*)        obj_format=ecoff gas_target=mips-big ;;
 211   mips-*-irix5*)        obj_format=elf gas_target=mips-big ;;
 212   mips-*-irix*)         obj_format=ecoff gas_target=mips-big emulation=irix ;;
 213   mips-*-riscos*)       obj_format=ecoff gas_target=mips-big ;;
 214   mips-*-sysv*)         obj_format=ecoff gas_target=mips-big ;;
 215   mips-*-elf*)          obj_format=elf
 216                         if [ $endian = big ] ; then
 217                           gas_target=mips-big
 218                         else
 219                           gas_target=mips-lit
 220                         fi
 221                         ;;
 222
 223   ppc-*-aix*)           obj_format=coff bfd_gas=yes ;;
 224   ppc-*-sysv4*)         obj_format=elf bfd_gas=yes ;;
 225
 226   sh-*-coff)            obj_format=coffbfd ;;
 227
 228   sparc*-*-sunos4*)     obj_format=aout emulation=sun3 bfd_gas=yes ;;
 229   sparc*-*-aout | sparc*-*-vxworks)
 230                         obj_format=aout bfd_gas=yes ;;
 231   sparc*-*-coff)        obj_format=coff bfd_gas=yes ;;
 232   sparc*-*-lynxos*)     obj_format=coff bfd_gas=yes emulation=lynx ;;
 233   sparc*-fujitsu-none)  obj_format=aout bfd_gas=yes ;;
 234   sparc*-*-elf | sparc*-*-solaris*)
 235                         obj_format=elf ;;
 236   sparc64-*-aout*)      obj_format=aout bfd_gas=yes ;; # v9
 237
 238   vax-*-bsd* | vax-*-ultrix*)
 239                         obj_format=aout ;;
 240   vax-*-vms)            obj_format=vms ;;
 241
 242   z8k-*-coff | z8k-*-sim)
 243                         obj_format=coffbfd ;;
 244
 245   *-*-aout | *-*-scout)
 246                         obj_format=aout ;;
 247   *-*-nindy*)
 248                         obj_format=bout ;;
 249   *-*-bsd*)
 250                         obj_format=aout emulation=sun3 ;;
 251   *-*-generic)          obj_format=generic ;;
 252   *-*-xray | *-*-hms)   obj_format=coffbfd ;;
 253   *-*-sim)              obj_format=coffbfd ;;
 254   *-*-elf | *-*-sysv4* | *-*-solaris*)
 255         echo '*** Warning: GAS support for ELF format is incomplete' 1>&2
 256                         obj_format=elf dev=yes ;;
 257   *-*-vxworks)          obj_format=aout ;;
 258   *-*-netware)          obj_format=elf ;;
 259 esac
 260
 261 # Assign floating point type.  Most processors with FP support
 262 # IEEE FP.  On those that don't support FP at all, usually IEEE
 263 # is emulated.
 264 case ${target_cpu} in
 265   ns32k | vax | tahoe ) atof=${target_cpu} ;;
 266   *)                    atof=ieee ;;
 267 esac
 268
 269 if [ ! -r ${srcdir}/config/tc-${cpu_type}.c ]; then
 270   echo '*** GAS does not support target CPU' ${cpu_type}                1>&2
 271   exit 1
 272 fi
 273
 274 case "${obj_format}" in
 275   "")
 276       echo "*** GAS doesn't know what format to use for target" ${target} 1>&2
 277       exit 1
 278       ;;
 279 esac
 280
 281 if [ ! -r ${srcdir}/config/obj-${obj_format}.c ]; then
 282   echo '*** GAS does not have support for object file format' ${obj_format} 1>&2
 283   exit 1
 284 fi
 285
 286 # and target makefile frag
 287
 288 target_makefile_frag=config/${gas_target}.mt
 289
 290 case ${bfd_gas}-${obj_format} in
 291   yes-coffbfd)  obj_format=coff ;;
 292   no-coffbfd)   need_bfd=yes extra_def="MANY_SEGMENTS" ;;
 293   *-elf)        bfd_gas=yes ;;
 294   *-ecoff)      bfd_gas=yes ;;
 295   *-som)        bfd_gas=yes ;;
 296   *)            ;;
 297 esac
 298
 299 case ${with_bfd_assembler}-${bfd_gas} in
 300   yes-yes | no-no)
 301     # We didn't override user's choice.
 302     ;;
 303   no-yes)
 304     echo '*** Use of BFD is required for ${target}; overriding config options'\
 305                 1>&2
 306     ;;
 307   no-preferred)
 308     bfd_gas=no
 309     ;;
 310   *-preferred)
 311     bfd_gas=yes
 312     ;;
 313   -*)
 314     # User specified nothing.
 315     ;;
 316 esac
 317
 318 reject_dev_configs=yes
 319
 320 case ${reject_dev_configs}-${dev} in
 321   yes-yes) # Oops.
 322     echo "*** GAS does not support the ${generic_target} configuration" 1>&2
 323     exit 1
 324     ;;
 325 esac
 326
 327 files="config/ho-${gas_host}.h config/tc-${cpu_type}.c \
 328         config/tc-${cpu_type}.h config/te-${emulation}.h \
 329         config/obj-${obj_format}.h config/obj-${obj_format}.c \
 330         config/atof-${atof}.c"
 331
 332 links="host.h targ-cpu.c targ-cpu.h targ-env.h obj-format.h obj-format.c atof-targ.c"
 333
 334 # post-target:
 335
 336 case ${bfd_gas} in
 337   yes)  extra_def="BFD_ASSEMBLER" need_bfd=yes          ;;
 338 esac
 339
 340 case ${need_bfd} in
 341   yes)  bfdlib="BFDLIB=../bfd/libbfd.a"                 ;;
 342   *)    bfdlib=""                                       ;;
 343 esac
 344
 345 case "x${host}" in
 346   "x${target}") cross=""                                ;;
 347   *)            cross="CROSS=-DCROSS_COMPILE"           ;;
 348 esac
 349
 350 rm -f Makefile.tem
 351 echo $cross                     >  Makefile.tem
 352 case "$extra_def" in
 353   "") ;;
 354   *)  echo defs=$extra_def      >> Makefile.tem
 355       ;;
 356 esac
 357 echo $bfdlib                    >> Makefile.tem
 358 echo "OPCODES_LIB=$opcodes"     >> Makefile.tem
 359 cat Makefile                    >> Makefile.tem
 360 mv -f Makefile.tem Makefile
 361
 362 # end of gas/configure.in