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 # <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 "${host}" in
  41   a29k-*-*)                     gas_host=a29k           ;;
  42
  43   alpha-*-osf*)                 gas_host=ansi           ;;
  44
  45   hppa*-hp-hpux*)               gas_host=hpux           ;;
  46   hppa*-hp-bsd*)                gas_host=hppabsd        ;;
  47   hppa*-hp-osf*)                gas_host=hppaosf        ;;
  48
  49   i[34]86-ibm-aix*)             gas_host=i386aix        ;;
  50   i[34]86-*-isc*)               gas_host=sysv           ;;
  51   i386-sun-sunos*)              gas_host=sun386         ;;
  52
  53   m68k-sun-sunos*)              gas_host=sun3           ;;
  54   m68*-*-hpux)                  gas_host=hpux           ;;
  55
  56   mips-dec-ultrix*)             gas_host=decstatn       ;;
  57   mips-*-bsd*)                  gas_host=mipsbsd        ;;
  58   mips-sgi-irix*)               gas_host=irix           ;;
  59
  60   rs6000-*-*)                   gas_host=rs6000         ;;
  61
  62   sparc-sun-sunos*)             gas_host=sun4           ;;
  63   sparc-sun-solaris2*)          gas_host=sysv           ;;
  64
  65   vax-*-vms*)                   gas_host=vms            ;;
  66   vax-*-bsd*)                   gas_host=vax            ;;
  67
  68   *-*-ansi | *-*-ultrix | *-*-hpux | *-*-sysv*)
  69                                 gas_host=${host_os}     ;;
  70
  71 esac
  72
  73 if [ ! -r ${srcdir}/config/ho-${gas_host}.h ]; then
  74   echo '*** GAS does not support host' ${host} 1>&2
  75   exit 1
  76 fi
  77
  78 # per-target:
  79
  80 case ${with_bfd_assembler} in
  81   yes)
  82     echo "*** Warning:  GAS BFD configuration option not yet fully supported" 1>&2
  83     need_bfd=yes
  84     bfd_gas=yes
  85     ;;
  86   no | "")
  87     ;;
  88   *)
  89     echo "*** Bad value \"${with_bfd_assembler}\" for --with-bfd-assembler option" 1>&2
  90     exit 1
  91     ;;
  92 esac
  93
  94 # assign cpu type
  95 emulation=generic
  96
  97 # check for architecture variants
  98 case ${target_cpu} in
  99   sparclite*)   cpu_type=sparc ;;
 100   sparc64)      cpu_type=sparc64 obj_format=elf ;; # v9
 101   m680[01234]0) cpu_type=m68k ;;
 102   m683??)       cpu_type=m68k ;;
 103   i486)         cpu_type=i386 ;;
 104   # Actually we've only got support for the 1.1, so we shouldn't generalize,
 105   # but this is what the support files are named...
 106   hppa1.1)      cpu_type=hppa ;;
 107   *)            cpu_type=${target_cpu} ;;
 108 esac
 109
 110 gas_target=${cpu_type}
 111
 112 generic_target=${cpu_type}-${target_vendor}-${target_os}
 113
 114 # assign object format
 115 case ${generic_target} in
 116   a29k-amd-udi)         obj_format=coffbfd gas_target=ebmon29k ;;
 117   a29k-amd-ebmon)       obj_format=coffbfd gas_target=ebmon29k ;;
 118   a29k-amd-ebmonold)    obj_format=coff gas_target=ebmon29k ;;
 119
 120   hppa-*-osf)           obj_format=elf emulation=hppa ;;
 121   hppa-*-hpux*)         obj_format=som emulation=hppa ;;
 122
 123   h8300-*-coff)         obj_format=coffbfd ;;
 124
 125   i386-ibm-aix*)        obj_format=coffbfd gas_target=i386coff
 126                          emulation=i386aix ;;
 127   i386-*-bsd*)          obj_format=aout emulation=386bsd ;;
 128   i386-*-linux*)        obj_format=aout emulation=linux ;;
 129   i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*)
 130                         obj_format=coffbfd gas_target=i386coff ;;
 131   i386-*-go32)          obj_format=aout ;;
 132
 133   i960-wrs-vxworks)     obj_format=bout ;;
 134   i960-*-coff)          obj_format=coff emulation=ic960 ;;
 135
 136   m68k-wrs-vxworks)     obj_format=aout emulation=sun3 ;;
 137   m68k-ericsson-[Oo][Ss][Ee])
 138                         obj_format=aout emulation=sun3 ;;
 139   m68k-*-coff | m68*-*-sysv*)
 140                         obj_format=coffbfd gas_target=m68kcoff ;;
 141   m68k-*-hpux)          obj_format=hp300 emulation=hp300 ;;
 142
 143   # don't change emulation like *-*-bsd does
 144   mips-*-bsd*)          bfd_gas=yes obj_format=aout gas_target=mips-lit ;;
 145   mips-*-ultrix*)       obj_format=ecoff gas_target=mips-lit ;;
 146   mips-*-ecoffl*)       obj_format=ecoff gas_target=mips-lit ;;
 147   mips-*-ecoff*)        obj_format=ecoff gas_target=mips-big ;;
 148   mips-*-irix*)         obj_format=ecoff gas_target=mips-big emulation=irix ;;
 149
 150   sparc*-*-sunos4*)     bfd_gas=preferred obj_format=aout emulation=sun3 ;;
 151
 152   sparc*-fujitsu-none)
 153                         obj_format=aout ;;
 154
 155   *-*-aout | *-*-scout | *-*-linux)
 156                         obj_format=aout ;;
 157   *-*-bout* | *-*-nindy*)
 158                         obj_format=bout ;;
 159   *-*-bsd* | *-*-sunos*)
 160                         obj_format=aout emulation=sun3 ;;
 161   *-*-generic)          obj_format=generic ;;
 162   *-*-xray | *-*-hms)   obj_format=coffbfd ;;
 163   *-*-sysv32)           obj_format=coff emulation=sysv32 ;;
 164   *-*-sim)              obj_format=coffbfd ;;
 165   *-*-coff* | *-sysv* | *-*-sco*)
 166                         obj_format=coff
 167                         case ${target_vendor} in
 168                           bull)  emulation=dpx2 ;;
 169                           sun)   emulation=sun3 ;;
 170                         esac
 171                         ;;
 172   *-*-vxworks)          obj_format=aout ;;
 173   *-*-coff)             obj_format=coff ;;
 174   *-*-elf | *-*-solaris*)
 175         echo '*** Warning: GAS support for ELF format is incomplete' 1>&2
 176                         obj_format=elf ;;
 177   *-*-vms)              obj_format=vms ;;
 178 esac
 179
 180 # assign floating point type
 181 case ${target_cpu} in
 182   ns32k | vax | tahoe ) atof=${target_cpu} ;;
 183   *)                    atof=ieee ;;
 184 esac
 185
 186 if [ ! -r ${srcdir}/config/tc-${cpu_type}.c ]; then
 187   echo '*** GAS does not support target CPU' ${cpu_type}                1>&2
 188   exit 1
 189 fi
 190
 191 if [ x${obj_format} = x ]; then
 192   echo "*** GAS doesn't know what format to use for target" ${target}   1>&2
 193   exit 1
 194 fi
 195
 196 if [ ! -r ${srcdir}/config/obj-${obj_format}.c ]; then
 197   echo '*** GAS does not have support for object file format' ${obj_format} 1>&2
 198   exit 1
 199 fi
 200
 201 # and target makefile frag
 202
 203 target_makefile_frag=config/${gas_target}.mt
 204
 205 case ${bfd_gas}-${obj_format} in
 206   yes-coffbfd)  obj_format=coff ;;
 207   no-coffbfd)   need_bfd=yes ;;
 208   *-elf)        bfd_gas=yes ;;
 209   *-ecoff)      bfd_gas=yes ;;
 210   *)            ;;
 211 esac
 212
 213 case ${with_bfd_assembler}-${bfd_gas} in
 214   yes-yes | no-no)
 215     # We didn't override user's choice.
 216     ;;
 217   no-yes)
 218     echo '*** Use of BFD is required for ${target}; overriding config options'\
 219                 1>&2
 220     ;;
 221   no-preferred)
 222     bfd_gas=no
 223     ;;
 224   *-preferred)
 225     bfd_gas=yes
 226     ;;
 227   -*)
 228     # User specified nothing.
 229     ;;
 230 esac
 231
 232 files="config/ho-${gas_host}.h config/tc-${cpu_type}.c \
 233         config/tc-${cpu_type}.h config/te-${emulation}.h \
 234         config/obj-${obj_format}.h config/obj-${obj_format}.c \
 235         config/atof-${atof}.c"
 236
 237 links="host.h targ-cpu.c targ-cpu.h targ-env.h obj-format.h obj-format.c atof-targ.c"
 238
 239 # post-target:
 240
 241 case ${bfd_gas} in
 242   yes)
 243     rm -f Makefile.tem
 244     mv Makefile Makefile.tem
 245     echo BFDDEF=-DBFD_ASSEMBLER > Makefile
 246     cat Makefile.tem >> Makefile
 247     rm -f Makefile.tem
 248     need_bfd=yes
 249     ;;
 250   *)
 251     ;;
 252 esac
 253
 254 case ${need_bfd} in
 255   yes)
 256     rm -f Makefile.tem
 257     mv Makefile Makefile.tem
 258     echo BFDLIB=../bfd/libbfd.a > Makefile
 259     cat Makefile.tem >> Makefile
 260     rm -f Makefile.tem
 261     ;;
 262   *)
 263     ;;
 264 esac
 265
 266 if [ x${host} != x${target} ] ; then
 267     rm -f Makefile.tem
 268     mv Makefile Makefile.tem
 269     echo CROSS=-DCROSS_COMPILE > Makefile
 270     cat Makefile.tem >> Makefile
 271     rm -f Makefile.tem
 272 else
 273     true
 274 fi
 275
 276 # end of gas/configure.in