gas/configure.in

   1 # This file is configure.in
   2 #
   3 #   Copyright (C) 1987-1992 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 "${host}" in
  41   a29k-*-*)                     gas_host=a29k           ;;
  42
  43   alpha-*-osf*)                 gas_host=ansi           ;;
  44
  45   hppa*-hp-hpux*)               gas_host=hpux           ;;
  46   hppa*-hp-bsd*)                gas_host=hppabsd        ;;
  47   hppa*-hp-osf*)                gas_host=hppaosf        ;;
  48
  49   i[34]86-ibm-aix*)             gas_host=i386aix        ;;
  50   i[34]86-*-isc*)               gas_host=sysv           ;;
  51   i386-sun-sunos*)              gas_host=sun386         ;;
  52
  53   m68k-sun-sunos*)              gas_host=sun3           ;;
  54   m68*-*-hpux)                  gas_host=hpux           ;;
  55
  56   mips*-dec-ultrix*)            gas_host=decstatn       ;;
  57   mips*-*-bsd*)                 gas_host=mipsbsd        ;;
  58   mips*-sgi-irix*)              gas_host=irix           ;;
  59
  60   rs6000-*-*)                   gas_host=rs6000         ;;
  61
  62   sparc-sun-sunos*)             gas_host=sun4           ;;
  63   sparc-sun-solaris2*)          gas_host=sysv           ;;
  64
  65   vax-*-vms*)                   gas_host=vms            ;;
  66   vax-*-bsd*)                   gas_host=vax            ;;
  67   vax-*-ultrix*)                gas_host=vax            ;;
  68
  69   *-*-sysv4* | *-*-unixware)    gas_host=sysv           ;;
  70
  71   *-*-ansi | *-*-hpux | *-*-sysv)
  72                                 gas_host=${host_os}     ;;
  73
  74 esac
  75
  76 if [ ! -r ${srcdir}/config/ho-${gas_host}.h ]; then
  77   echo '*** GAS does not support host' ${host} 1>&2
  78   exit 1
  79 fi
  80
  81 # per-target:
  82
  83 case ${with_bfd_assembler} in
  84   yes)
  85     echo "*** Warning:  GAS BFD configuration option not yet fully supported" 1>&2
  86     need_bfd=yes
  87     bfd_gas=yes
  88     ;;
  89   no | "")
  90     ;;
  91   *)
  92     echo "*** Bad value \"${with_bfd_assembler}\" for --with-bfd-assembler option" 1>&2
  93     exit 1
  94     ;;
  95 esac
  96
  97 # assign cpu type
  98 emulation=generic
  99
 100 # default is big
 101 endian=big
 102
 103 # check for architecture variants
 104 case ${target_cpu} in
 105   # Actually we've only got support for the 1.1, so we shouldn't generalize,
 106   # but this is what the support files are named...
 107   hppa*)        cpu_type=hppa ;;
 108   i486)         cpu_type=i386 ;;
 109   m680[01234]0) cpu_type=m68k ;;
 110   m68008)       cpu_type=m68k ;;
 111   m683??)       cpu_type=m68k ;;
 112   m8*)          cpu_type=m88k ;;
 113   mips*el)      cpu_type=mips endian=little;;
 114   mips*)        cpu_type=mips ;;
 115   sparc64)      cpu_type=sparc64 obj_format=elf ;; # v9
 116   sparclite*)   cpu_type=sparc ;;
 117   *)            cpu_type=${target_cpu} ;;
 118 esac
 119
 120 gas_target=${cpu_type}
 121 generic_target=${cpu_type}-${target_vendor}-${target_os}
 122 dev=no
 123
 124 # assign object format
 125 case ${generic_target} in
 126   a29k-amd-udi)         obj_format=coffbfd gas_target=ebmon29k ;;
 127   a29k-amd-ebmon)       obj_format=coffbfd gas_target=ebmon29k ;;
 128   a29k-amd-ebmonold)    obj_format=coff gas_target=ebmon29k ;;
 129
 130   alpha-*-osf*)         obj_format=ecoff dev=yes ;;
 131
 132   hppa-*-osf)           obj_format=elf emulation=hppa ;;
 133   hppa-*-hpux*)         obj_format=som emulation=hppa ;;
 134   hppa-*-bsd*)          obj_format=som emulation=hppa ;;
 135
 136   h8300-*-coff)         obj_format=coffbfd ;;
 137
 138   i386-ibm-aix*)        obj_format=coffbfd gas_target=i386coff
 139                          emulation=i386aix ;;
 140   i386-*-bsd*)          obj_format=aout emulation=386bsd ;;
 141   i386-*-netbsd0.8)     obj_format=aout emulation=netbsd ;;
 142   i386-*-netbsd*)       obj_format=aout emulation=netbsd ;;
 143   i386-*-linux*elf*)    obj_format=elf  emulation=linux ;;
 144   i386-*-linux*coff*)   obj_format=coffbfd emulation=linux
 145                          gas_target=i386coff ;;
 146   i386-*-linux*)        obj_format=aout emulation=linux ;;
 147   i386-*-lynxos*)       obj_format=coffbfd gas_target=i386coff
 148                          emulation=lynx ;;
 149   i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
 150                         obj_format=elf ;;
 151   i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*)
 152                         obj_format=coffbfd gas_target=i386coff ;;
 153   i386-*-vsta)          obj_format=aout ;;
 154   i386-*-go32)          obj_format=aout ;;
 155
 156   i960-wrs-vxworks | i960-*-nindy*)
 157                         obj_format=bout ;;
 158   i960-*-coff)          obj_format=coff emulation=ic960 ;;
 159
 160   m68k-wrs-vxworks | m68k-ericsson-ose | m68k-*-sunos*)
 161                         obj_format=aout emulation=sun3 ;;
 162   m68k-*-coff | m68k-*-sysv*)
 163                         obj_format=coffbfd gas_target=m68kcoff ;;
 164   m68k-*-hpux)          obj_format=hp300 emulation=hp300 ;;
 165   m68k-*-lynxos*)       obj_format=coffbfd gas_target=m68kcoff
 166                          emulation=lynx ;;
 167
 168   m88k-*-coff*)         obj_format=coffbfd gas_target=m88kcoff ;;
 169
 170   # don't change emulation like *-*-bsd does
 171   mips-*-bsd*)          bfd_gas=yes obj_format=aout gas_target=mips-lit ;;
 172   mips-*-ultrix*)       obj_format=ecoff gas_target=mips-lit ;;
 173   mips-*-ecoff*)        obj_format=ecoff
 174                         if [ $endian = big ] ; then
 175                           gas_target=mips-big
 176                         else
 177                           gas_target=mips-lit
 178                         fi
 179                         ;;
 180   mips-*-ecoff*)        obj_format=ecoff gas_target=mips-big ;;
 181   mips-*-irix5*)        obj_format=elf gas_target=mips-big ;;
 182   mips-*-irix*)         obj_format=ecoff gas_target=mips-big emulation=irix ;;
 183   mips-*-riscos*)       obj_format=ecoff gas_target=mips-big ;;
 184   mips-*-sysv*)         obj_format=ecoff gas_target=mips-big ;;
 185   mips-*-elf*)          obj_format=elf
 186                         if [ $endian = big ] ; then
 187                           gas_target=mips-big
 188                         else
 189                           gas_target=mips-lit
 190                         fi
 191                         ;;
 192
 193   sh-*-coff)            obj_format=coffbfd ;;
 194
 195   sparc*-*-sunos4*)     obj_format=aout emulation=sun3 bfd_gas=yes ;;
 196   sparc*-*-aout | sparc*-*-vxworks)
 197                         obj_format=aout bfd_gas=yes ;;
 198   sparc*-*-coff)        obj_format=coff bfd_gas=yes ;;
 199   sparc*-*-lynxos)      obj_format=coff bfd_gas=yes ;;
 200   sparc*-fujitsu-none)  obj_format=aout bfd_gas=yes ;;
 201   sparc*-*-elf | sparc*-*-solaris*)
 202                         obj_format=elf ;;
 203   sparc64-*-aout*)      obj_format=aout bfd_gas=yes ;; # v9
 204
 205   vax-*-bsd* | vax-*-ultrix*)
 206                         obj_format=aout ;;
 207   vax-*-vms)            obj_format=vms ;;
 208
 209   z8k-*-coff | z8k-*-sim)
 210                         obj_format=coffbfd ;;
 211
 212   *-*-aout | *-*-scout)
 213                         obj_format=aout ;;
 214   *-*-nindy*)
 215                         obj_format=bout ;;
 216   *-*-bsd*)
 217                         obj_format=aout emulation=sun3 ;;
 218   *-*-generic)          obj_format=generic ;;
 219   *-*-xray | *-*-hms)   obj_format=coffbfd ;;
 220   *-*-sysv32)           obj_format=coff emulation=sysv32 ;;
 221   *-*-sim)              obj_format=coffbfd ;;
 222   *-*-elf | *-*-sysv4* | *-*-solaris*)
 223         echo '*** Warning: GAS support for ELF format is incomplete' 1>&2
 224                         obj_format=elf dev=yes ;;
 225   *-*-coff* | *-sysv* | *-*-sco*)
 226                         obj_format=coff
 227                         case ${target_vendor} in
 228                           bull)  emulation=dpx2 ;;
 229                           sun)   emulation=sun3 ;;
 230                         esac
 231                         ;;
 232   *-*-vxworks)          obj_format=aout ;;
 233   *-*-netware)          obj_format=elf ;;
 234 esac
 235
 236 # Assign floating point type.  Most processors with FP support
 237 # IEEE FP.  On those that don't support FP at all, usually IEEE
 238 # is emulated.
 239 case ${target_cpu} in
 240   ns32k | vax | tahoe ) atof=${target_cpu} ;;
 241   *)                    atof=ieee ;;
 242 esac
 243
 244 if [ ! -r ${srcdir}/config/tc-${cpu_type}.c ]; then
 245   echo '*** GAS does not support target CPU' ${cpu_type}                1>&2
 246   exit 1
 247 fi
 248
 249 case "${obj_format}" in
 250   "")
 251       echo "*** GAS doesn't know what format to use for target" ${target} 1>&2
 252       exit 1
 253       ;;
 254 esac
 255
 256 if [ ! -r ${srcdir}/config/obj-${obj_format}.c ]; then
 257   echo '*** GAS does not have support for object file format' ${obj_format} 1>&2
 258   exit 1
 259 fi
 260
 261 # and target makefile frag
 262
 263 target_makefile_frag=config/${gas_target}.mt
 264
 265 case ${bfd_gas}-${obj_format} in
 266   yes-coffbfd)  obj_format=coff ;;
 267   no-coffbfd)   need_bfd=yes ;;
 268   *-elf)        bfd_gas=yes ;;
 269   *-ecoff)      bfd_gas=yes ;;
 270   *-som)        bfd_gas=yes ;;
 271   *)            ;;
 272 esac
 273
 274 case ${with_bfd_assembler}-${bfd_gas} in
 275   yes-yes | no-no)
 276     # We didn't override user's choice.
 277     ;;
 278   no-yes)
 279     echo '*** Use of BFD is required for ${target}; overriding config options'\
 280                 1>&2
 281     ;;
 282   no-preferred)
 283     bfd_gas=no
 284     ;;
 285   *-preferred)
 286     bfd_gas=yes
 287     ;;
 288   -*)
 289     # User specified nothing.
 290     ;;
 291 esac
 292
 293 reject_dev_configs=yes
 294
 295 case ${reject_dev_configs}-${dev} in
 296   yes-yes) # Oops.
 297     echo "*** GAS does not support the ${generic_target} configuration" 1>&2
 298     exit 1
 299     ;;
 300 esac
 301
 302 files="config/ho-${gas_host}.h config/tc-${cpu_type}.c \
 303         config/tc-${cpu_type}.h config/te-${emulation}.h \
 304         config/obj-${obj_format}.h config/obj-${obj_format}.c \
 305         config/atof-${atof}.c"
 306
 307 links="host.h targ-cpu.c targ-cpu.h targ-env.h obj-format.h obj-format.c atof-targ.c"
 308
 309 # post-target:
 310
 311 case ${bfd_gas} in
 312   yes)  bfddef="BFDDEF=define" need_bfd=yes             ;;
 313   *)    bfddef="BFDDEF=undef"                           ;;
 314 esac
 315
 316 case ${need_bfd} in
 317   yes)  bfdlib="BFDLIB=../bfd/libbfd.a"                 ;;
 318   *)    bfdlib=""                                       ;;
 319 esac
 320
 321 case "x${host}" in
 322   "x${target}") cross=""                                ;;
 323   *)            cross="CROSS=-DCROSS_COMPILE"           ;;
 324 esac
 325
 326 rm -f Makefile.tem
 327 echo $bfddef >  Makefile.tem
 328 echo $bfdlib >> Makefile.tem
 329 echo $cross  >> Makefile.tem
 330 cat Makefile >> Makefile.tem
 331 mv -f Makefile.tem Makefile
 332
 333 # end of gas/configure.in