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