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 ${target_cpu} in
  99   sparclite*)   cpu_type=sparc ;;
 100   sparc64)      cpu_type=sparc64 obj_format=elf ;; # v9
 101   m680[01234]0) cpu_type=m68k ;;
 102   m683??)       cpu_type=m68k ;;
 103   i486)         cpu_type=i386 ;;
 104   h8300h)       cpu_type=h8300 ;;
 105   # Actually we've only got support for the 1.1, so we shouldn't generalize,
 106   # but this is what the support files are named...
 107   hppa1.1)      cpu_type=hppa ;;
 108   *)            cpu_type=${target_cpu} ;;
 109 esac
 110
 111 gas_target=${cpu_type}
 112
 113 generic_target=${cpu_type}-${target_vendor}-${target_os}
 114
 115 # assign object format
 116 case ${generic_target} in
 117   a29k-amd-udi)         obj_format=coffbfd gas_target=ebmon29k ;;
 118   a29k-amd-ebmon)       obj_format=coffbfd gas_target=ebmon29k ;;
 119   a29k-amd-ebmonold)    obj_format=coff gas_target=ebmon29k ;;
 120
 121   hppa-*-osf)           obj_format=elf emulation=hppa ;;
 122   hppa-*-hpux*)         obj_format=som emulation=hppa ;;
 123
 124   h8300-*-coff)         obj_format=coffbfd ;;
 125
 126   i386-ibm-aix*)        obj_format=coffbfd gas_target=i386coff
 127                          emulation=i386aix ;;
 128   i386-*-bsd*)          obj_format=aout emulation=386bsd ;;
 129   i386-*-linux*)        obj_format=aout emulation=linux ;;
 130   i386-*-coff | i386-*-sysv* | i386-*-sco* | i386-*-isc*)
 131                         obj_format=coffbfd gas_target=i386coff ;;
 132   i386-*-go32)          obj_format=aout ;;
 133
 134   i960-wrs-vxworks)     obj_format=bout ;;
 135   i960-*-coff)          obj_format=coff emulation=ic960 ;;
 136
 137   m68k-wrs-vxworks)     obj_format=aout emulation=sun3 ;;
 138   m68k-ericsson-[Oo][Ss][Ee])
 139                         obj_format=aout emulation=sun3 ;;
 140   m68k-*-coff | m68*-*-sysv*)
 141                         obj_format=coffbfd gas_target=m68kcoff ;;
 142   m68k-*-hpux)          obj_format=hp300 emulation=hp300 ;;
 143
 144   m88k-*-coff*)         obj_format=coffbfd gas_target=m88kcoff ;;
 145
 146   # don't change emulation like *-*-bsd does
 147   mips-*-bsd*)          bfd_gas=yes obj_format=aout gas_target=mips-lit ;;
 148   mips-*-ultrix*)       obj_format=ecoff gas_target=mips-lit ;;
 149   mips-*-ecoffl*)       obj_format=ecoff gas_target=mips-lit ;;
 150   mips-*-ecoff*)        obj_format=ecoff gas_target=mips-big ;;
 151   mips-*-irix*)         obj_format=ecoff gas_target=mips-big emulation=irix ;;
 152
 153   sparc*-*-sunos4*)     bfd_gas=preferred obj_format=aout emulation=sun3 ;;
 154
 155   sparc*-fujitsu-none)  obj_format=aout ;;
 156
 157   sparc64-*-aout*)      obj_format=aout bfd_gas=yes ;; # v9
 158
 159   *-*-aout | *-*-scout | *-*-linux)
 160                         obj_format=aout ;;
 161   *-*-bout* | *-*-nindy*)
 162                         obj_format=bout ;;
 163   *-*-bsd* | *-*-sunos*)
 164                         obj_format=aout emulation=sun3 ;;
 165   *-*-generic)          obj_format=generic ;;
 166   *-*-xray | *-*-hms)   obj_format=coffbfd ;;
 167   *-*-sysv32)           obj_format=coff emulation=sysv32 ;;
 168   *-*-sim)              obj_format=coffbfd ;;
 169   *-*-coff* | *-sysv* | *-*-sco*)
 170                         obj_format=coff
 171                         case ${target_vendor} in
 172                           bull)  emulation=dpx2 ;;
 173                           sun)   emulation=sun3 ;;
 174                         esac
 175                         ;;
 176   *-*-vxworks)          obj_format=aout ;;
 177   *-*-coff)             obj_format=coff ;;
 178   *-*-elf | *-*-solaris*)
 179         echo '*** Warning: GAS support for ELF format is incomplete' 1>&2
 180                         obj_format=elf ;;
 181   *-*-vms)              obj_format=vms ;;
 182 esac
 183
 184 # assign floating point type
 185 case ${target_cpu} in
 186   ns32k | vax | tahoe ) atof=${target_cpu} ;;
 187   *)                    atof=ieee ;;
 188 esac
 189
 190 if [ ! -r ${srcdir}/config/tc-${cpu_type}.c ]; then
 191   echo '*** GAS does not support target CPU' ${cpu_type}                1>&2
 192   exit 1
 193 fi
 194
 195 if [ x${obj_format} = x ]; then
 196   echo "*** GAS doesn't know what format to use for target" ${target}   1>&2
 197   exit 1
 198 fi
 199
 200 if [ ! -r ${srcdir}/config/obj-${obj_format}.c ]; then
 201   echo '*** GAS does not have support for object file format' ${obj_format} 1>&2
 202   exit 1
 203 fi
 204
 205 # and target makefile frag
 206
 207 target_makefile_frag=config/${gas_target}.mt
 208
 209 case ${bfd_gas}-${obj_format} in
 210   yes-coffbfd)  obj_format=coff ;;
 211   no-coffbfd)   need_bfd=yes ;;
 212   *-elf)        bfd_gas=yes ;;
 213   *-ecoff)      bfd_gas=yes ;;
 214   *)            ;;
 215 esac
 216
 217 case ${with_bfd_assembler}-${bfd_gas} in
 218   yes-yes | no-no)
 219     # We didn't override user's choice.
 220     ;;
 221   no-yes)
 222     echo '*** Use of BFD is required for ${target}; overriding config options'\
 223                 1>&2
 224     ;;
 225   no-preferred)
 226     bfd_gas=no
 227     ;;
 228   *-preferred)
 229     bfd_gas=yes
 230     ;;
 231   -*)
 232     # User specified nothing.
 233     ;;
 234 esac
 235
 236 files="config/ho-${gas_host}.h config/tc-${cpu_type}.c \
 237         config/tc-${cpu_type}.h config/te-${emulation}.h \
 238         config/obj-${obj_format}.h config/obj-${obj_format}.c \
 239         config/atof-${atof}.c"
 240
 241 links="host.h targ-cpu.c targ-cpu.h targ-env.h obj-format.h obj-format.c atof-targ.c"
 242
 243 # post-target:
 244
 245 case ${bfd_gas} in
 246   yes)
 247     rm -f Makefile.tem
 248     mv Makefile Makefile.tem
 249     echo BFDDEF=-DBFD_ASSEMBLER > Makefile
 250     cat Makefile.tem >> Makefile
 251     rm -f Makefile.tem
 252     need_bfd=yes
 253     ;;
 254   *)
 255     ;;
 256 esac
 257
 258 case ${need_bfd} in
 259   yes)
 260     rm -f Makefile.tem
 261     mv Makefile Makefile.tem
 262     echo BFDLIB=../bfd/libbfd.a > Makefile
 263     cat Makefile.tem >> Makefile
 264     rm -f Makefile.tem
 265     ;;
 266   *)
 267     ;;
 268 esac
 269
 270 if [ x${host} != x${target} ] ; then
 271     rm -f Makefile.tem
 272     mv Makefile Makefile.tem
 273     echo CROSS=-DCROSS_COMPILE > Makefile
 274     cat Makefile.tem >> Makefile
 275     rm -f Makefile.tem
 276 else
 277     true
 278 fi
 279
 280 # end of gas/configure.in