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 # <[email protected]>.
  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 "${host}" in
  41   a29k-*-*)                     gas_host=a29k           ;;
  42
  43   alpha-*-osf*)                 gas_host=ansi           ;;
  44
  45   hppa*-*-hpux*)                gas_host=hpux           ;;
  46   hppa*-*-bsd*)                 gas_host=hppabsd        ;;
  47   hppa*-*-osf*)                 gas_host=hppaosf        ;;
  48   hppa*-*-hiux*)                gas_host=hpux           ;;
  49
  50   i[345]86-ibm-aix*)            gas_host=i386aix        ;;
  51   i[345]86-*-isc*)              gas_host=sysv           ;;
  52   i[345]86-sun-sunos*)          gas_host=sun386         ;;
  53   i[345]86-*-mach*)             gas_host=mach3          ;;
  54   i[345]86-*-go32)              host_makefile_frag=config/go32.mh
  55                                 gas_host=go32           ;;
  56
  57   m68k-sun-sunos*)              gas_host=sun3           ;;
  58   m68*-*-hpux)                  gas_host=hpux           ;;
  59
  60   mips*-dec-ultrix*)            gas_host=decstatn       ;;
  61   mips*-*-bsd*)                 gas_host=mipsbsd        ;;
  62   mips*-sgi-irix*)              gas_host=irix           ;;
  63
  64   rs6000-*-*)                   gas_host=rs6000         ;;
  65
  66   sparc-sun-sunos*)             gas_host=sun4           ;;
  67   sparc-sun-solaris2*)          gas_host=sysv           ;;
  68
  69   vax-*-vms*)                   gas_host=vms            ;;
  70   vax-*-bsd*)                   gas_host=vax            ;;
  71   vax-*-ultrix*)                gas_host=vax            ;;
  72
  73   *-*-sysv4* | *-*-unixware)    gas_host=sysv           ;;
  74
  75   *-*-ansi | *-*-hpux | *-*-sysv)
  76                                 gas_host=${host_os}     ;;
  77
  78 esac
  79
  80 if [ ! -r ${srcdir}/config/ho-${gas_host}.h ]; then
  81   echo '*** GAS does not support host' ${host} 1>&2
  82   exit 1
  83 fi
  84
  85 # per-target:
  86
  87 case ${with_bfd_assembler} in
  88   yes)
  89     echo "*** Warning:  GAS BFD configuration option not yet fully supported" 1>&2
  90     need_bfd=yes
  91     bfd_gas=yes
  92     ;;
  93   no | "")
  94     ;;
  95   *)
  96     echo "*** Bad value \"${with_bfd_assembler}\" for --with-bfd-assembler option" 1>&2
  97     exit 1
  98     ;;
  99 esac
 100
 101 # assign cpu type
 102 emulation=generic
 103
 104 # default is big
 105 endian=big
 106
 107 # check for architecture variants
 108 case ${target_cpu} in
 109   # Actually we've only got support for the 1.1, so we shouldn't generalize,
 110   # but this is what the support files are named...
 111   hppa*)        cpu_type=hppa ;;
 112   i[45]86)      cpu_type=i386 ;;
 113   m680[012346]0) cpu_type=m68k ;;
 114   m68008)       cpu_type=m68k ;;
 115   m683??)       cpu_type=m68k ;;
 116   m8*)          cpu_type=m88k ;;
 117   mips*el)      cpu_type=mips endian=little;;
 118   mips*)        cpu_type=mips ;;
 119   powerpc*)     cpu_type=ppc ;;
 120   rs6000*)      cpu_type=ppc ;;
 121   sparc64)      cpu_type=sparc obj_format=elf extra_def=sparcv9 ;;
 122   sparclite*)   cpu_type=sparc ;;
 123   *)            cpu_type=${target_cpu} ;;
 124 esac
 125
 126 # do we need the opcodes library?
 127 case ${cpu_type} in
 128   alpha | vax)
 129     opcodes=
 130     ;;
 131   *)
 132     opcodes="../opcodes/libopcodes.a"
 133     ;;
 134 esac
 135
 136 gas_target=${cpu_type}
 137 generic_target=${cpu_type}-${target_vendor}-${target_os}
 138 dev=no
 139
 140 # assign object format
 141 case ${generic_target} in
 142   a29k-amd-udi)         obj_format=coff gas_target=ebmon29k ;;
 143   a29k-amd-ebmon)       obj_format=coff gas_target=ebmon29k ;;
 144
 145   alpha-*-netware*)     obj_format=ecoff ;;
 146   alpha-*-osf*)         obj_format=ecoff ;;
 147
 148   hppa-*-*elf*)         obj_format=elf emulation=hppa ;;
 149   hppa-*-osf*)          obj_format=som emulation=hppa ;;
 150   hppa-*-hpux*)         obj_format=som emulation=hppa ;;
 151   hppa-*-bsd*)          obj_format=som emulation=hppa ;;
 152   hppa-*-hiux*)         obj_format=som emulation=hppa ;;
 153
 154   h8300-*-coff)         obj_format=coff ;;
 155
 156   i386-ibm-aix*)        obj_format=coff gas_target=i386coff
 157                          emulation=i386aix ;;
 158   i386-*-bsd*)          obj_format=aout emulation=386bsd ;;
 159   i386-*-netbsd0.8)     obj_format=aout emulation=386bsd ;;
 160   i386-*-netbsd*)       obj_format=aout emulation=netbsd ;;
 161   i386-*-linux*elf*)    obj_format=elf  emulation=linux ;;
 162   i386-*-linux*coff*)   obj_format=coff emulation=linux
 163                          gas_target=i386coff ;;
 164   i386-*-linux*)        obj_format=aout emulation=linux ;;
 165   i386-*-lynxos*)       obj_format=coff gas_target=i386coff
 166                          emulation=lynx ;;
 167   i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
 168                         obj_format=elf ;;
 169   i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*)
 170                         obj_format=coff gas_target=i386coff ;;
 171   i386-*-vsta)          obj_format=aout ;;
 172   i386-*-go32)          obj_format=coff gas_target=i386coff ;;
 173   i386-*-mach* | i386-*-gnu*)
 174                         obj_format=aout emulation=mach bfd_gas=yes ;;
 175
 176   i960-*-bout)          obj_format=bout ;;
 177   i960-*-coff)          obj_format=coff emulation=ic960 gas_target=ic960coff ;;
 178   i960-*-nindy*)        obj_format=bout ;;
 179   i960-*-vxworks4*)     obj_format=bout ;;
 180   i960-*-vxworks5.0)    obj_format=bout ;;
 181   i960-*-vxworks5.*)    obj_format=coff emulation=ic960 gas_target=ic960coff ;;
 182   i960-*-vxworks*)      obj_format=bout ;;
 183
 184   m68k-wrs-vxworks | m68k-ericsson-ose | m68k-*-sunos*)
 185                         obj_format=aout emulation=sun3 ;;
 186   m68k-motorola-sysv)   obj_format=coff gas_target=m68kcoff emulation=delta ;;
 187   m68k-bull-sysv3*)     obj_format=coff gas_target=m68kcoff emulation=dpx2 ;;
 188   m68k-apollo-*)        obj_format=coff gas_target=apollo emulation=apollo ;;
 189   m68k-*-coff | m68k-*-sysv*)
 190                         obj_format=coff gas_target=m68kcoff ;;
 191   m68k-*-hpux)          obj_format=hp300 emulation=hp300 ;;
 192   m68k-*-lynxos*)       obj_format=coff gas_target=m68kcoff
 193                          emulation=lynx ;;
 194
 195   m88k-*-coff*)         obj_format=coff gas_target=m88kcoff ;;
 196
 197   # don't change emulation like *-*-bsd does
 198   mips-*-bsd*)          bfd_gas=yes obj_format=aout gas_target=mips-lit ;;
 199   mips-*-ultrix*)       obj_format=ecoff gas_target=mips-lit ;;
 200   mips-*-ecoff*)        obj_format=ecoff
 201                         if [ $endian = big ] ; then
 202                           gas_target=mips-big
 203                         else
 204                           gas_target=mips-lit
 205                         fi
 206                         ;;
 207   mips-*-ecoff*)        obj_format=ecoff gas_target=mips-big ;;
 208   mips-*-irix5*)        obj_format=elf gas_target=mips-big ;;
 209   mips-*-irix*)         obj_format=ecoff gas_target=mips-big ;;
 210   mips-*-riscos*)       obj_format=ecoff gas_target=mips-big ;;
 211   mips-*-sysv*)         obj_format=ecoff gas_target=mips-big ;;
 212   mips-*-elf*)          obj_format=elf
 213                         if [ $endian = big ] ; then
 214                           gas_target=mips-big
 215                         else
 216                           gas_target=mips-lit
 217                         fi
 218                         ;;
 219
 220   ppc-*-aix*)           obj_format=coff bfd_gas=yes ;;
 221   ppc-*-elf*)           obj_format=elf bfd_gas=yes ;;
 222   ppc-*-netware*)       obj_format=elf emulation=ppcnw ;;
 223   ppc-*-sysv4*)         obj_format=elf bfd_gas=yes ;;
 224
 225   sh-*-coff)            obj_format=coff ;;
 226
 227   ns32k-pc532-mach*)    obj_format=aout emulation=pc532 bfd_gas=yes ;;
 228   ns32k-pc532-netbsd*)  obj_format=aout emulation=netbsd532 bfd_gas=yes ;;
 229
 230   sparc*-*-sunos4*)     obj_format=aout emulation=sun3 bfd_gas=yes ;;
 231   sparc*-*-aout | sparc*-*-vxworks)
 232                         obj_format=aout bfd_gas=yes ;;
 233   sparc*-*-coff)        obj_format=coff bfd_gas=yes ;;
 234   sparc*-*-lynxos*)     obj_format=coff bfd_gas=yes emulation=lynx ;;
 235   sparc*-fujitsu-none)  obj_format=aout bfd_gas=yes ;;
 236   sparc*-*-elf | sparc*-*-solaris*)
 237                         obj_format=elf ;;
 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=coff ;;
 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=coff ;;
 254   *-*-sim)              obj_format=coff ;;
 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 ${target_cpu} in
 266   vax | tahoe ) atof=${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-coff)     need_bfd=yes ;;
 293   no-coff)      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 ${bfd_gas} in
 338   yes)  extra_def="$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