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=coffbfd gas_target=i386coff ;;
 171   i386-*-mach* | i386-*-gnu*)
 172                         obj_format=aout emulation=mach bfd_gas=yes ;;
 173
 174   i960-*-bout)          obj_format=bout ;;
 175   i960-*-coff)          obj_format=coffbfd emulation=ic960 gas_target=ic960coff ;;
 176   i960-*-nindy*)        obj_format=bout ;;
 177   i960-*-vxworks4*)     obj_format=bout ;;
 178   i960-*-vxworks5.0)    obj_format=bout ;;
 179   i960-*-vxworks5.*)    obj_format=coffbfd emulation=ic960 gas_target=ic960coff ;;
 180   i960-*-vxworks*)      obj_format=bout ;;
 181
 182   m68k-wrs-vxworks | m68k-ericsson-ose | m68k-*-sunos*)
 183                         obj_format=aout emulation=sun3 ;;
 184   m68k-motorola-sysv)   obj_format=coffbfd gas_target=m68kcoff emulation=delta ;;
 185 # The dpx2-specific support has apparently not been used in a while, or
 186 # it's not currently required.  Either way, I've heard nothing about it,
 187 # and the configure.in code that would've selected te-dpx2.h wasn't being
 188 # reached because of the m68k-*-sysv* line below.  This was (I think) the
 189 # last target using obj-coff.c without BFD_ASSEMBLER.  I want to blast that
 190 # code.  So if you really need te-dpx2.h, start with this for now, and try
 191 # to make it work:
 192 # m68k-bull-sysv3*)     obj_format=coffbfd gas_target=m68kcoff emulation=dpx2 ;;
 193   m68k-*-coff | m68k-*-sysv*)
 194                         obj_format=coffbfd gas_target=m68kcoff ;;
 195   m68k-*-hpux)          obj_format=hp300 emulation=hp300 ;;
 196   m68k-*-lynxos*)       obj_format=coffbfd gas_target=m68kcoff
 197                          emulation=lynx ;;
 198
 199   m88k-*-coff*)         obj_format=coffbfd gas_target=m88kcoff ;;
 200
 201   # don't change emulation like *-*-bsd does
 202   mips-*-bsd*)          bfd_gas=yes obj_format=aout gas_target=mips-lit ;;
 203   mips-*-ultrix*)       obj_format=ecoff gas_target=mips-lit ;;
 204   mips-*-ecoff*)        obj_format=ecoff
 205                         if [ $endian = big ] ; then
 206                           gas_target=mips-big
 207                         else
 208                           gas_target=mips-lit
 209                         fi
 210                         ;;
 211   mips-*-ecoff*)        obj_format=ecoff gas_target=mips-big ;;
 212   mips-*-irix5*)        obj_format=elf gas_target=mips-big ;;
 213   mips-*-irix*)         obj_format=ecoff gas_target=mips-big emulation=irix ;;
 214   mips-*-riscos*)       obj_format=ecoff gas_target=mips-big ;;
 215   mips-*-sysv*)         obj_format=ecoff gas_target=mips-big ;;
 216   mips-*-elf*)          obj_format=elf
 217                         if [ $endian = big ] ; then
 218                           gas_target=mips-big
 219                         else
 220                           gas_target=mips-lit
 221                         fi
 222                         ;;
 223
 224   ppc-*-aix*)           obj_format=coff bfd_gas=yes ;;
 225   ppc-*-sysv4*)         obj_format=elf bfd_gas=yes ;;
 226
 227   sh-*-coff)            obj_format=coffbfd ;;
 228
 229   sparc*-*-sunos4*)     obj_format=aout emulation=sun3 bfd_gas=yes ;;
 230   sparc*-*-aout | sparc*-*-vxworks)
 231                         obj_format=aout bfd_gas=yes ;;
 232   sparc*-*-coff)        obj_format=coff bfd_gas=yes ;;
 233   sparc*-*-lynxos*)     obj_format=coff bfd_gas=yes emulation=lynx ;;
 234   sparc*-fujitsu-none)  obj_format=aout bfd_gas=yes ;;
 235   sparc*-*-elf | sparc*-*-solaris*)
 236                         obj_format=elf ;;
 237   sparc64-*-aout*)      obj_format=aout bfd_gas=yes ;; # v9
 238
 239   vax-*-bsd* | vax-*-ultrix*)
 240                         obj_format=aout ;;
 241   vax-*-vms)            obj_format=vms ;;
 242
 243   z8k-*-coff | z8k-*-sim)
 244                         obj_format=coffbfd ;;
 245
 246   *-*-aout | *-*-scout)
 247                         obj_format=aout ;;
 248   *-*-nindy*)
 249                         obj_format=bout ;;
 250   *-*-bsd*)
 251                         obj_format=aout emulation=sun3 ;;
 252   *-*-generic)          obj_format=generic ;;
 253   *-*-xray | *-*-hms)   obj_format=coffbfd ;;
 254   *-*-sim)              obj_format=coffbfd ;;
 255   *-*-elf | *-*-sysv4* | *-*-solaris*)
 256         echo '*** Warning: GAS support for ELF format is incomplete' 1>&2
 257                         obj_format=elf dev=yes ;;
 258   *-*-vxworks)          obj_format=aout ;;
 259   *-*-netware)          obj_format=elf ;;
 260 esac
 261
 262 # Assign floating point type.  Most processors with FP support
 263 # IEEE FP.  On those that don't support FP at all, usually IEEE
 264 # is emulated.
 265 case ${target_cpu} in
 266   ns32k | vax | tahoe ) atof=${target_cpu} ;;
 267   *)                    atof=ieee ;;
 268 esac
 269
 270 if [ ! -r ${srcdir}/config/tc-${cpu_type}.c ]; then
 271   echo '*** GAS does not support target CPU' ${cpu_type}                1>&2
 272   exit 1
 273 fi
 274
 275 case "${obj_format}" in
 276   "")
 277       echo "*** GAS doesn't know what format to use for target" ${target} 1>&2
 278       exit 1
 279       ;;
 280 esac
 281
 282 if [ ! -r ${srcdir}/config/obj-${obj_format}.c ]; then
 283   echo '*** GAS does not have support for object file format' ${obj_format} 1>&2
 284   exit 1
 285 fi
 286
 287 # and target makefile frag
 288
 289 target_makefile_frag=config/${gas_target}.mt
 290
 291 case ${bfd_gas}-${obj_format} in
 292   yes-coffbfd)  obj_format=coff ;;
 293   no-coffbfd)   need_bfd=yes extra_def="MANY_SEGMENTS" ;;
 294   *-elf)        bfd_gas=yes ;;
 295   *-ecoff)      bfd_gas=yes ;;
 296   *-som)        bfd_gas=yes ;;
 297   *)            ;;
 298 esac
 299
 300 case ${with_bfd_assembler}-${bfd_gas} in
 301   yes-yes | no-no)
 302     # We didn't override user's choice.
 303     ;;
 304   no-yes)
 305     echo '*** Use of BFD is required for ${target}; overriding config options'\
 306                 1>&2
 307     ;;
 308   no-preferred)
 309     bfd_gas=no
 310     ;;
 311   *-preferred)
 312     bfd_gas=yes
 313     ;;
 314   -*)
 315     # User specified nothing.
 316     ;;
 317 esac
 318
 319 reject_dev_configs=yes
 320
 321 case ${reject_dev_configs}-${dev} in
 322   yes-yes) # Oops.
 323     echo "*** GAS does not support the ${generic_target} configuration" 1>&2
 324     exit 1
 325     ;;
 326 esac
 327
 328 files="config/ho-${gas_host}.h config/tc-${cpu_type}.c \
 329         config/tc-${cpu_type}.h config/te-${emulation}.h \
 330         config/obj-${obj_format}.h config/obj-${obj_format}.c \
 331         config/atof-${atof}.c"
 332
 333 links="host.h targ-cpu.c targ-cpu.h targ-env.h obj-format.h obj-format.c atof-targ.c"
 334
 335 # post-target:
 336
 337 case ${bfd_gas} in
 338   yes)  extra_def="BFD_ASSEMBLER" need_bfd=yes          ;;
 339 esac
 340
 341 case ${need_bfd} in
 342   yes)  bfdlib="BFDLIB=../bfd/libbfd.a"
 343         all_obj_deps="$all_obj_deps ../bfd/bfd.h"
 344         ;;
 345   *)    bfdlib=""
 346         ;;
 347 esac
 348
 349 case "x${host}" in
 350   "x${target}") cross=""                                ;;
 351   *)            cross="CROSS=-DCROSS_COMPILE"           ;;
 352 esac
 353
 354 rm -f Makefile.tem
 355 echo $cross                     >  Makefile.tem
 356 echo ALL_OBJ_DEPS=$all_obj_deps >> Makefile.tem
 357 echo defs=$extra_def            >> Makefile.tem
 358 echo $bfdlib                    >> Makefile.tem
 359 echo "OPCODES_LIB=$opcodes"     >> Makefile.tem
 360 cat Makefile                    >> Makefile.tem
 361 mv -f Makefile.tem Makefile
 362
 363 # end of gas/configure.in