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 "${host}" in
  41   a29k-*-*)                     gas_host=a29k           ;;
  42
  43   alpha-*-osf*)                 gas_host=ansi           ;;
  44
  45   hppa*-hp-hpux*)               gas_host=hpux           ;;
  46   hppa*-hp-bsd*)                gas_host=hppabsd        ;;
  47   hppa*-hp-osf*)                gas_host=hppaosf        ;;
  48   hppa*-*-hiux*)                gas_host=hpux           ;;
  49
  50   i[34]86-ibm-aix*)             gas_host=i386aix        ;;
  51   i[34]86-*-isc*)               gas_host=sysv           ;;
  52   i386-sun-sunos*)              gas_host=sun386         ;;
  53
  54   m68k-sun-sunos*)              gas_host=sun3           ;;
  55   m68*-*-hpux)                  gas_host=hpux           ;;
  56
  57   mips*-dec-ultrix*)            gas_host=decstatn       ;;
  58   mips*-*-bsd*)                 gas_host=mipsbsd        ;;
  59   mips*-sgi-irix*)              gas_host=irix           ;;
  60
  61   rs6000-*-*)                   gas_host=rs6000         ;;
  62
  63   sparc-sun-sunos*)             gas_host=sun4           ;;
  64   sparc-sun-solaris2*)          gas_host=sysv           ;;
  65
  66   vax-*-vms*)                   gas_host=vms            ;;
  67   vax-*-bsd*)                   gas_host=vax            ;;
  68   vax-*-ultrix*)                gas_host=vax            ;;
  69
  70   *-*-sysv4* | *-*-unixware)    gas_host=sysv           ;;
  71
  72   *-*-ansi | *-*-hpux | *-*-sysv)
  73                                 gas_host=${host_os}     ;;
  74
  75 esac
  76
  77 if [ ! -r ${srcdir}/config/ho-${gas_host}.h ]; then
  78   echo '*** GAS does not support host' ${host} 1>&2
  79   exit 1
  80 fi
  81
  82 # per-target:
  83
  84 case ${with_bfd_assembler} in
  85   yes)
  86     echo "*** Warning:  GAS BFD configuration option not yet fully supported" 1>&2
  87     need_bfd=yes
  88     bfd_gas=yes
  89     ;;
  90   no | "")
  91     ;;
  92   *)
  93     echo "*** Bad value \"${with_bfd_assembler}\" for --with-bfd-assembler option" 1>&2
  94     exit 1
  95     ;;
  96 esac
  97
  98 # assign cpu type
  99 emulation=generic
 100
 101 # default is big
 102 endian=big
 103
 104 # check for architecture variants
 105 case ${target_cpu} in
 106   # Actually we've only got support for the 1.1, so we shouldn't generalize,
 107   # but this is what the support files are named...
 108   hppa*)        cpu_type=hppa ;;
 109   i486)         cpu_type=i386 ;;
 110   m680[01234]0) cpu_type=m68k ;;
 111   m68008)       cpu_type=m68k ;;
 112   m683??)       cpu_type=m68k ;;
 113   m8*)          cpu_type=m88k ;;
 114   mips*el)      cpu_type=mips endian=little;;
 115   mips*)        cpu_type=mips ;;
 116   powerpc*)     cpu_type=ppc ;;
 117   rs6000*)      cpu_type=ppc ;;
 118   sparc64)      cpu_type=sparc64 obj_format=elf ;; # v9
 119   sparclite*)   cpu_type=sparc ;;
 120   *)            cpu_type=${target_cpu} ;;
 121 esac
 122
 123 gas_target=${cpu_type}
 124 generic_target=${cpu_type}-${target_vendor}-${target_os}
 125 dev=no
 126
 127 # assign object format
 128 case ${generic_target} in
 129   a29k-amd-udi)         obj_format=coffbfd gas_target=ebmon29k ;;
 130   a29k-amd-ebmon)       obj_format=coffbfd gas_target=ebmon29k ;;
 131   a29k-amd-ebmonold)    obj_format=coff gas_target=ebmon29k ;;
 132
 133   alpha-*-netware*)     obj_format=ecoff ;;
 134   alpha-*-osf*)         obj_format=ecoff ;;
 135
 136   hppa-*-*elf*)         obj_format=elf emulation=hppa ;;
 137   hppa-*-osf*)          obj_format=som emulation=hppa ;;
 138   hppa-*-hpux*)         obj_format=som emulation=hppa ;;
 139   hppa-*-bsd*)          obj_format=som emulation=hppa ;;
 140   hppa-*-hiux*)         obj_format=som emulation=hppa ;;
 141
 142   h8300-*-coff)         obj_format=coffbfd ;;
 143
 144   i386-ibm-aix*)        obj_format=coffbfd gas_target=i386coff
 145                          emulation=i386aix ;;
 146   i386-*-bsd*)          obj_format=aout emulation=386bsd ;;
 147   i386-*-netbsd0.8)     obj_format=aout emulation=netbsd ;;
 148   i386-*-netbsd*)       obj_format=aout emulation=netbsd ;;
 149   i386-*-linux*elf*)    obj_format=elf  emulation=linux ;;
 150   i386-*-linux*coff*)   obj_format=coffbfd emulation=linux
 151                          gas_target=i386coff ;;
 152   i386-*-linux*)        obj_format=aout emulation=linux ;;
 153   i386-*-lynxos*)       obj_format=coffbfd gas_target=i386coff
 154                          emulation=lynx ;;
 155   i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
 156                         obj_format=elf ;;
 157   i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*)
 158                         obj_format=coffbfd gas_target=i386coff ;;
 159   i386-*-vsta)          obj_format=aout ;;
 160   i386-*-go32)          obj_format=aout ;;
 161
 162   i960-*-bout)          obj_format=bout ;;
 163   i960-*-coff)          obj_format=coff emulation=ic960 ;;
 164   i960-*-nindy*)        obj_format=bout ;;
 165   i960-*-vxworks4*)     obj_format=bout ;;
 166   i960-*-vxworks5.0)    obj_format=bout ;;
 167   i960-*-vxworks5.*)    obj_format=coff emulation=ic960 ;;
 168   i960-*-vxworks*)      obj_format=bout ;;
 169
 170   m68k-wrs-vxworks | m68k-ericsson-ose | m68k-*-sunos*)
 171                         obj_format=aout emulation=sun3 ;;
 172   m68k-*-coff | m68k-*-sysv*)
 173                         obj_format=coffbfd gas_target=m68kcoff ;;
 174   m68k-*-hpux)          obj_format=hp300 emulation=hp300 ;;
 175   m68k-*-lynxos*)       obj_format=coffbfd gas_target=m68kcoff
 176                          emulation=lynx ;;
 177
 178   m88k-*-coff*)         obj_format=coffbfd gas_target=m88kcoff ;;
 179
 180   # don't change emulation like *-*-bsd does
 181   mips-*-bsd*)          bfd_gas=yes obj_format=aout gas_target=mips-lit ;;
 182   mips-*-ultrix*)       obj_format=ecoff gas_target=mips-lit ;;
 183   mips-*-ecoff*)        obj_format=ecoff
 184                         if [ $endian = big ] ; then
 185                           gas_target=mips-big
 186                         else
 187                           gas_target=mips-lit
 188                         fi
 189                         ;;
 190   mips-*-ecoff*)        obj_format=ecoff gas_target=mips-big ;;
 191   mips-*-irix5*)        obj_format=elf gas_target=mips-big ;;
 192   mips-*-irix*)         obj_format=ecoff gas_target=mips-big emulation=irix ;;
 193   mips-*-riscos*)       obj_format=ecoff gas_target=mips-big ;;
 194   mips-*-sysv*)         obj_format=ecoff gas_target=mips-big ;;
 195   mips-*-elf*)          obj_format=elf
 196                         if [ $endian = big ] ; then
 197                           gas_target=mips-big
 198                         else
 199                           gas_target=mips-lit
 200                         fi
 201                         ;;
 202
 203   ppc-*-aix*)           obj_format=coff bfd_gas=yes ;;
 204   ppc-*-sysv4*)         obj_format=elf bfd_gas=yes ;;
 205
 206   sh-*-coff)            obj_format=coffbfd ;;
 207
 208   sparc*-*-sunos4*)     obj_format=aout emulation=sun3 bfd_gas=yes ;;
 209   sparc*-*-aout | sparc*-*-vxworks)
 210                         obj_format=aout bfd_gas=yes ;;
 211   sparc*-*-coff)        obj_format=coff bfd_gas=yes ;;
 212   sparc*-*-lynxos)      obj_format=coff bfd_gas=yes ;;
 213   sparc*-fujitsu-none)  obj_format=aout bfd_gas=yes ;;
 214   sparc*-*-elf | sparc*-*-solaris*)
 215                         obj_format=elf ;;
 216   sparc64-*-aout*)      obj_format=aout bfd_gas=yes ;; # v9
 217
 218   vax-*-bsd* | vax-*-ultrix*)
 219                         obj_format=aout ;;
 220   vax-*-vms)            obj_format=vms ;;
 221
 222   z8k-*-coff | z8k-*-sim)
 223                         obj_format=coffbfd ;;
 224
 225   *-*-aout | *-*-scout)
 226                         obj_format=aout ;;
 227   *-*-nindy*)
 228                         obj_format=bout ;;
 229   *-*-bsd*)
 230                         obj_format=aout emulation=sun3 ;;
 231   *-*-generic)          obj_format=generic ;;
 232   *-*-xray | *-*-hms)   obj_format=coffbfd ;;
 233   *-*-sysv32)           obj_format=coff emulation=sysv32 ;;
 234   *-*-sim)              obj_format=coffbfd ;;
 235   *-*-elf | *-*-sysv4* | *-*-solaris*)
 236         echo '*** Warning: GAS support for ELF format is incomplete' 1>&2
 237                         obj_format=elf dev=yes ;;
 238   *-*-coff* | *-sysv* | *-*-sco*)
 239                         obj_format=coff
 240                         case ${target_vendor} in
 241                           bull)  emulation=dpx2 ;;
 242                           sun)   emulation=sun3 ;;
 243                         esac
 244                         ;;
 245   *-*-vxworks)          obj_format=aout ;;
 246   *-*-netware)          obj_format=elf ;;
 247 esac
 248
 249 # Assign floating point type.  Most processors with FP support
 250 # IEEE FP.  On those that don't support FP at all, usually IEEE
 251 # is emulated.
 252 case ${target_cpu} in
 253   ns32k | vax | tahoe ) atof=${target_cpu} ;;
 254   *)                    atof=ieee ;;
 255 esac
 256
 257 if [ ! -r ${srcdir}/config/tc-${cpu_type}.c ]; then
 258   echo '*** GAS does not support target CPU' ${cpu_type}                1>&2
 259   exit 1
 260 fi
 261
 262 case "${obj_format}" in
 263   "")
 264       echo "*** GAS doesn't know what format to use for target" ${target} 1>&2
 265       exit 1
 266       ;;
 267 esac
 268
 269 if [ ! -r ${srcdir}/config/obj-${obj_format}.c ]; then
 270   echo '*** GAS does not have support for object file format' ${obj_format} 1>&2
 271   exit 1
 272 fi
 273
 274 # and target makefile frag
 275
 276 target_makefile_frag=config/${gas_target}.mt
 277
 278 case ${bfd_gas}-${obj_format} in
 279   yes-coffbfd)  obj_format=coff ;;
 280   no-coffbfd)   need_bfd=yes ;;
 281   *-elf)        bfd_gas=yes ;;
 282   *-ecoff)      bfd_gas=yes ;;
 283   *-som)        bfd_gas=yes ;;
 284   *)            ;;
 285 esac
 286
 287 case ${with_bfd_assembler}-${bfd_gas} in
 288   yes-yes | no-no)
 289     # We didn't override user's choice.
 290     ;;
 291   no-yes)
 292     echo '*** Use of BFD is required for ${target}; overriding config options'\
 293                 1>&2
 294     ;;
 295   no-preferred)
 296     bfd_gas=no
 297     ;;
 298   *-preferred)
 299     bfd_gas=yes
 300     ;;
 301   -*)
 302     # User specified nothing.
 303     ;;
 304 esac
 305
 306 reject_dev_configs=yes
 307
 308 case ${reject_dev_configs}-${dev} in
 309   yes-yes) # Oops.
 310     echo "*** GAS does not support the ${generic_target} configuration" 1>&2
 311     exit 1
 312     ;;
 313 esac
 314
 315 files="config/ho-${gas_host}.h config/tc-${cpu_type}.c \
 316         config/tc-${cpu_type}.h config/te-${emulation}.h \
 317         config/obj-${obj_format}.h config/obj-${obj_format}.c \
 318         config/atof-${atof}.c"
 319
 320 links="host.h targ-cpu.c targ-cpu.h targ-env.h obj-format.h obj-format.c atof-targ.c"
 321
 322 # post-target:
 323
 324 case ${bfd_gas} in
 325   yes)  bfddef="BFDDEF=define" need_bfd=yes             ;;
 326   *)    bfddef="BFDDEF=undef"                           ;;
 327 esac
 328
 329 case ${need_bfd} in
 330   yes)  bfdlib="BFDLIB=../bfd/libbfd.a"                 ;;
 331   *)    bfdlib=""                                       ;;
 332 esac
 333
 334 case "x${host}" in
 335   "x${target}") cross=""                                ;;
 336   *)            cross="CROSS=-DCROSS_COMPILE"           ;;
 337 esac
 338
 339 rm -f Makefile.tem
 340 echo $bfddef >  Makefile.tem
 341 echo $bfdlib >> Makefile.tem
 342 echo $cross  >> Makefile.tem
 343 cat Makefile >> Makefile.tem
 344 mv -f Makefile.tem Makefile
 345
 346 # end of gas/configure.in