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