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