gas/configure.in

   1 dnl Process this file with autoconf to produce a configure script.
   2 dnl
   3 dnl And be careful when changing it!  If you must add tests with square
   4 dnl brackets, be sure changequote invocations surround it.
   5 dnl
   6 dnl
   7 dnl v2.5 needed for --bindir et al
   8 AC_PREREQ(2.13)
   9 AC_INIT(as.h)
  10
  11 AC_CANONICAL_SYSTEM
  12
  13 AM_INIT_AUTOMAKE(gas, 2.9.5)
  14
  15 AM_PROG_LIBTOOL
  16
  17 user_bfd_gas=
  18 AC_ARG_ENABLE(bfd-assembler,
  19 [  --enable-bfd-assembler  use BFD back end for writing object files],
  20 [case "${enableval}" in
  21   yes) need_bfd=yes user_bfd_gas=yes ;;
  22   no)  user_bfd_gas=no ;;
  23   *)   AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
  24 esac])dnl
  25 AC_ARG_ENABLE(targets,
  26 [    targets            alternative target configurations besides the primary],
  27 [case "${enableval}" in
  28   yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
  29             ;;
  30   no)       enable_targets= ;;
  31   *)        enable_targets=$enableval ;;
  32 esac])dnl
  33 AC_ARG_ENABLE(commonbfdlib,
  34 [  --enable-commonbfdlib   build shared BFD/opcodes/libiberty library],
  35 [case "${enableval}" in
  36   yes) commonbfdlib=true ;;
  37   no)  commonbfdlib=false ;;
  38   *)   AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
  39 esac])dnl
  40
  41 using_cgen=no
  42
  43 # Generate a header file
  44 AM_CONFIG_HEADER(config.h:config.in)
  45
  46 # If we are on a DOS filesystem, we must use gdb.ini rather than
  47 # .gdbinit.
  48 GDBINIT=".gdbinit"
  49 case "${host}" in
  50   *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
  51     GDBINIT="gdb.ini"
  52     ;;
  53 esac
  54 AC_SUBST(GDBINIT)
  55
  56 te_file=generic
  57
  58 # Makefile target for installing gas in $(tooldir)/bin.
  59 install_tooldir=install-exec-tooldir
  60
  61 canon_targets=""
  62 if test -n "$enable_targets" ; then
  63   for t in `echo $enable_targets | sed 's/,/ /g'`; do
  64     result=`$ac_config_sub $t 2>/dev/null`
  65     if test -n "$result" ; then
  66       canon_targets="$canon_targets $result"
  67 #    else
  68 #      # Permit "all", etc.  We don't support it yet though.
  69 #      canon_targets="$canon_targets $t"
  70     fi
  71   done
  72   GAS_UNIQ(canon_targets)
  73 fi
  74
  75 emulations=""
  76
  77 for this_target in $target $canon_targets ; do
  78
  79 changequote(,)dnl
  80     eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
  81 changequote([,])dnl
  82
  83     # check for architecture variants
  84     arch=
  85     endian=
  86     case ${cpu} in
  87       alpha*)           cpu_type=alpha ;;
  88       armeb)            cpu_type=arm endian=big ;;
  89       arm*)             cpu_type=arm endian=little ;;
  90       armb*)            cpu_type=arm endian=little ;;
  91       armv*l)           cpu_type=arm endian=little ;;
  92       armv*b)           cpu_type=arm endian=big ;;
  93       strongarm*)       cpu_type=arm endian=little ;;
  94       thumb*)           cpu_type=arm endian=little ;;
  95       hppa*)            cpu_type=hppa ;;
  96 changequote(,)dnl
  97       i[456]86)         cpu_type=i386 ;;
  98       m680[012346]0)    cpu_type=m68k ;;
  99 changequote([,])dnl
 100       m68008)           cpu_type=m68k ;;
 101       m683??)           cpu_type=m68k ;;
 102       m5200)            cpu_type=m68k ;;
 103       m8*)              cpu_type=m88k ;;
 104       mips*el)          cpu_type=mips endian=little ;;
 105       mips*)            cpu_type=mips endian=big ;;
 106       pjl*)             cpu_type=pj endian=little ;;
 107       pj*)              cpu_type=pj endian=big ;;
 108       powerpcle*)       cpu_type=ppc endian=little ;;
 109       powerpc*)         cpu_type=ppc endian=big ;;
 110       rs6000*)          cpu_type=ppc ;;
 111       sparclite*)       cpu_type=sparc arch=sparclite ;;
 112       sparclet*)        cpu_type=sparc arch=sparclet ;;
 113       sparc64*)         cpu_type=sparc arch=v9-64 ;;
 114       sparc86x*)        cpu_type=sparc arch=sparc86x  ;;
 115       sparc*)           cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c.
 116       v850*)            cpu_type=v850 ;;
 117       *)                cpu_type=${cpu} ;;
 118     esac
 119
 120     if test ${this_target} = $target ; then
 121       target_cpu_type=${cpu_type}
 122     elif test ${target_cpu_type} != ${cpu_type} ; then
 123       continue
 124     fi
 125
 126     generic_target=${cpu_type}-$vendor-$os
 127     dev=no
 128     bfd_gas=no
 129     em=generic
 130
 131     # assign object format
 132     case ${generic_target} in
 133       a29k-*-coff)          fmt=coff ;;
 134       a29k-amd-udi)         fmt=coff ;;
 135       a29k-amd-ebmon)       fmt=coff ;;
 136       a29k-nyu-sym1)        fmt=coff ;;
 137       a29k-*-vxworks*)      fmt=coff ;;
 138
 139       alpha*-*-*vms*)       fmt=evax ;;
 140       alpha*-*-netware*)    fmt=ecoff ;;
 141       alpha*-*-openbsd*)    fmt=ecoff ;;
 142       alpha*-*-osf*)        fmt=ecoff ;;
 143       alpha*-*-linuxecoff*) fmt=ecoff ;;
 144       alpha*-*-linux-gnu*)  fmt=elf em=linux ;;
 145       alpha*-*-netbsd*)     fmt=elf em=nbsd ;;
 146
 147       arc-*-elf*)           fmt=elf bfd_gas=yes ;;
 148
 149       arm-*-aout)                       fmt=aout ;;
 150       arm-*-coff | thumb-*-coff)        fmt=coff ;;
 151       arm-*-elf | thumb-*-elf)          fmt=elf ;;
 152       arm*-*-conix*)                    fmt=elf ;;
 153       arm-*-linux*aout*)                fmt=aout em=linux ;;
 154       arm*-*-linux-gnu*)                fmt=elf  em=linux ;;
 155       arm-*-netbsd*)                    fmt=aout em=nbsd bfd_gas=yes ;;
 156       arm-*-oabi | thumb-*-oabi)        fmt=elf ;;
 157       arm-epoc-pe | thumb-epoc-pe)      fmt=coff em=epoc-pe ;;
 158       arm-*-pe | thumb-*-pe)            fmt=coff em=pe ;;
 159       arm-*-riscix*)                    fmt=aout em=riscix ;;
 160
 161       d10v-*-*)             fmt=elf bfd_gas=yes ;;
 162       d30v-*-*)             fmt=elf bfd_gas=yes ;;
 163
 164
 165       fr30-*-*)             fmt=elf bfd_gas=yes ;;
 166
 167       hppa-*-*elf*)         fmt=elf em=hppa ;;
 168       hppa-*-linux-gnu*)    fmt=elf em=hppa ;;
 169       hppa-*-lites*)        fmt=elf em=hppa ;;
 170       hppa-*-osf*)          fmt=som em=hppa ;;
 171       hppa-*-rtems*)        fmt=elf em=hppa ;;
 172       hppa-*-hpux*)         fmt=som em=hppa ;;
 173       hppa-*-mpeix*)        fmt=som em=hppa ;;
 174       hppa-*-bsd*)          fmt=som em=hppa ;;
 175       hppa-*-hiux*)         fmt=som em=hppa ;;
 176
 177       h8300-*-coff)         fmt=coff ;;
 178
 179       i386-ibm-aix*)        fmt=coff em=i386aix ;;
 180       i386-sequent-bsd*)    fmt=aout em=dynix bfd_gas=yes ;;
 181       i386-*-beospe*)       fmt=coff em=pe bfd_gas=yes ;;
 182       i386-*-beoself* | i386-*-beos*) fmt=elf bfd_gas=yes ;;
 183       i386-*-bsd*)          fmt=aout em=386bsd ;;
 184       i386-*-netbsd0.8)     fmt=aout em=386bsd ;;
 185       i386-*-netbsd*)       fmt=aout em=nbsd bfd_gas=yes;;
 186       i386-*-openbsd*)      fmt=aout em=nbsd bfd_gas=yes;;
 187       i386-*-linux*aout* | i386-*-linuxoldld)   fmt=aout em=linux ;;
 188       i386-*-linux*coff*)   fmt=coff em=linux ;;
 189       i386-*-linux-gnu*)    fmt=elf em=linux bfd_gas=yes ;;
 190       i386-*-lynxos*)       fmt=coff em=lynx ;;
 191       i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
 192                             fmt=elf bfd_gas=yes ;;
 193       i386-*-freebsdaout* | i386-*-freebsd[12].* | i386-*-freebsd[12])
 194                             fmt=aout em=386bsd ;;
 195       i386-*-freebsd*)      fmt=elf bfd_gas=yes ;;
 196       i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
 197                           fmt=coff ;;
 198       i386-*-sco3.2v5*)      fmt=elf
 199                             if test ${this_target} = $target; then
 200                                 AC_DEFINE(SCO_ELF, 1,
 201                                     [Define if defaulting to ELF on SCO 5.])
 202                             fi
 203                             ;;
 204       i386-*-sco3.2*)       fmt=coff ;;
 205       i386-*-vsta)          fmt=aout ;;
 206       i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
 207                             fmt=coff em=go32;;
 208       i386-*-rtemself*)     fmt=elf ;;
 209       i386-*-rtems*)        fmt=coff ;;
 210       i386-*-gnu*)          fmt=elf ;;
 211       i386-*-mach*)
 212                             fmt=aout em=mach bfd_gas=yes ;;
 213       i386-*-msdos*)        fmt=aout ;;
 214       i386-*-moss*)         fmt=elf ;;
 215       i386-*-pe)            fmt=coff em=pe ;;
 216       i386-*-cygwin*)       fmt=coff em=pe bfd_gas=yes ;;
 217       i386-*-interix*)      fmt=coff em=interix bfd_gas=yes ;;
 218       i386-*-mingw32*)      fmt=coff em=pe bfd_gas=yes ;;
 219       i386-*-*nt*)          fmt=coff em=pe ;;
 220       i386-*-vxworks*)      fmt=aout ;;
 221       i960-*-bout)          fmt=bout ;;
 222       i960-*-coff)          fmt=coff em=ic960 ;;
 223       i960-*-rtems*)        fmt=coff em=ic960 ;;
 224       i960-*-nindy*)        fmt=bout ;;
 225       i960-*-vxworks4*)     fmt=bout ;;
 226       i960-*-vxworks5.0)    fmt=bout ;;
 227       i960-*-vxworks5.*)    fmt=coff em=ic960 ;;
 228       i960-*-vxworks*)      fmt=bout ;;
 229       i960-*-elf*)          fmt=elf ;;
 230
 231       m32r-*-*)             fmt=elf bfd_gas=yes ;;
 232
 233       m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
 234                             fmt=aout em=sun3 ;;
 235       m68k-motorola-sysv*)  fmt=coff em=delta ;;
 236       m68k-bull-sysv3*)     fmt=coff em=dpx2 ;;
 237       m68k-apollo-*)        fmt=coff em=apollo ;;
 238       m68k-*-sysv4*) # must be before -sysv*
 239                             fmt=elf em=svr4 ;;
 240       m68k-*-elf*)          fmt=elf ;;
 241       m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
 242                             fmt=coff ;;
 243       m68k-*-hpux*)         fmt=hp300 em=hp300 ;;
 244       m68k-*-linux*aout*)   fmt=aout em=linux ;;
 245       m68k-*-linux-gnu*)    fmt=elf em=linux ;;
 246       m68k-*-gnu*)          fmt=elf ;;
 247       m68k-*-lynxos*)       fmt=coff em=lynx ;;
 248       m68k-*-netbsd*)       fmt=aout em=nbsd bfd_gas=yes ;;
 249       m68k-*-openbsd*)      fmt=aout em=nbsd bfd_gas=yes ;;
 250       m68k-apple-aux*)      fmt=coff em=aux ;;
 251       m68k-*-psos*)         fmt=elf em=psos;;
 252
 253       m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
 254       m88k-*-coff*)         fmt=coff ;;
 255
 256       mcore-*-elf)          fmt=elf bfd_gas=yes ;;
 257       mcore-*-pe)           fmt=coff em=pe bfd_gas=yes ;;
 258
 259       # don't change em like *-*-bsd does
 260       mips-dec-netbsd*)     fmt=elf endian=little ;;
 261       mips-dec-openbsd*)    fmt=elf endian=little ;;
 262       mips-dec-bsd*)        fmt=aout endian=little ;;
 263       mips-sony-bsd*)       fmt=ecoff ;;
 264       mips-*-bsd*)          AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
 265       mips-*-ultrix*)       fmt=ecoff endian=little ;;
 266       mips-*-osf*)          fmt=ecoff endian=little ;;
 267       mips-*-ecoff*)        fmt=ecoff ;;
 268       mips-*-ecoff*)        fmt=ecoff ;;
 269       mips-*-irix6*)        fmt=elf ;;
 270       mips-*-irix5*)        fmt=elf ;;
 271       mips-*-irix*)         fmt=ecoff ;;
 272       mips-*-lnews*)        fmt=ecoff em=lnews ;;
 273       mips-*-riscos*)       fmt=ecoff ;;
 274       mips-*-sysv*)         fmt=ecoff ;;
 275       mips-*-elf* | mips-*-rtems* | mips-*-linux-gnu* | mips-*-gnu* | mips-*-openbsd*)
 276                             fmt=elf ;;
 277       mips-*-vxworks*)      fmt=elf
 278                             AC_DEFINE(MIPS_STABS_ELF, 1,
 279                                 [Use ELF stabs for MIPS, not ECOFF stabs])
 280                             ;;
 281       mn10200-*-*)          fmt=elf bfd_gas=yes ;;
 282       mn10300-*-*)          fmt=elf bfd_gas=yes ;;
 283       pj*)                  fmt=elf ;;
 284       ppc-*-pe | ppc-*-cygwin* | ppc-*-winnt*)
 285                             fmt=coff em=pe ;;
 286       ppc-*-aix*)           fmt=coff ;;
 287       ppc-*-beos*)          fmt=coff ;;
 288       ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
 289                             fmt=elf ;;
 290       ppc-*-linux-gnu*)     fmt=elf
 291                             case "$endian" in
 292                             big)  ;;
 293                             *)    AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
 294                             esac
 295                             ;;
 296       ppc-*-solaris*)       fmt=elf
 297                             if test ${this_target} = $target; then
 298                                 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
 299                                 [Define if default target is PowerPC Solaris.])
 300                             fi
 301                             if test x${endian} = xbig; then
 302                                 AC_MSG_ERROR(Solaris must be configured little endian)
 303                             fi
 304                             ;;
 305       ppc-*-rtems*)         fmt=elf ;;
 306       ppc-*-macos* | ppc-*-mpw*)
 307                             fmt=coff em=macos ;;
 308       ppc-*-netware*)       fmt=elf em=ppcnw ;;
 309       ppc-*-vxworks*)       fmt=elf ;;
 310
 311       sh-*-elf*)            fmt=elf ;;
 312       sh-*-coff*)           fmt=coff ;;
 313       sh-*-rtemself*)       fmt=elf ;;
 314       sh-*-rtems*)          fmt=coff ;;
 315
 316       ns32k-pc532-mach* | ns32k-pc532-ux*)    fmt=aout em=pc532mach ;;
 317       ns32k-pc532-netbsd* | ns32k-pc532-lites*)  fmt=aout em=nbsd532 ;;
 318       ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
 319
 320       sparc-*-rtems*)       fmt=aout ;;
 321       sparc-*-sunos4*)      fmt=aout em=sun3 ;;
 322       sparc-*-aout | sparc*-*-vxworks*)
 323                             fmt=aout em=sparcaout ;;
 324       sparc-*-coff)         fmt=coff ;;
 325       sparc-*-linux*aout*)  fmt=aout em=linux ;;
 326       sparc-*-linux-gnu*)   fmt=elf em=linux ;;
 327       sparc-*-lynxos*)      fmt=coff em=lynx ;;
 328       sparc-fujitsu-none)   fmt=aout ;;
 329       sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
 330                             fmt=elf ;;
 331       sparc-*-netbsd*)      fmt=aout em=nbsd ;;
 332       sparc-*-openbsd*)     fmt=aout em=nbsd ;;
 333
 334       strongarm-*-coff)     fmt=coff ;;
 335       strongarm-*-elf)      fmt=elf ;;
 336
 337       tic30-*-*aout*)       fmt=aout bfd_gas=yes ;;
 338       tic30-*-*coff*)       fmt=coff bfd_gas=yes ;;
 339       tic80-*-*)            fmt=coff ;;
 340
 341       v850-*-*)             fmt=elf bfd_gas=yes ;;
 342       v850e-*-*)            fmt=elf bfd_gas=yes ;;
 343       v850ea-*-*)           fmt=elf bfd_gas=yes ;;
 344
 345       vax-*-bsd* | vax-*-ultrix*)
 346                             fmt=aout ;;
 347       vax-*-vms)            fmt=vms ;;
 348
 349
 350       z8k-*-coff | z8k-*-sim)
 351                             fmt=coff ;;
 352
 353       w65-*-*)              fmt=coff ;;
 354
 355       *-*-aout | *-*-scout)
 356                             fmt=aout ;;
 357       *-*-nindy*)
 358                             fmt=bout ;;
 359       *-*-bsd*)
 360                             fmt=aout em=sun3 ;;
 361       *-*-generic)          fmt=generic ;;
 362       *-*-xray | *-*-hms)   fmt=coff ;;
 363       *-*-sim)              fmt=coff ;;
 364       *-*-elf | *-*-sysv4* | *-*-solaris*)
 365                             AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
 366                             fmt=elf dev=yes ;;
 367       *-*-vxworks)          fmt=aout ;;
 368       *-*-netware)          fmt=elf ;;
 369     esac
 370
 371     if test ${this_target} = $target ; then
 372       endian_def=
 373       if test x${endian} = xbig; then
 374         endian_def=1
 375       elif test x${endian} = xlittle; then
 376         endian_def=0
 377       fi
 378       if test x${endian_def} != x; then
 379         AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
 380                            [Define as 1 if big endian.])
 381       fi
 382     fi
 383
 384     case ${cpu_type}-${fmt} in
 385       alpha*-*) bfd_gas=yes ;;
 386       arm-*)    bfd_gas=yes ;;
 387     # not yet
 388     # i386-aout)        bfd_gas=preferred ;;
 389       mips-*)   bfd_gas=yes ;;
 390       ns32k-*)  bfd_gas=yes ;;
 391       ppc-*)    bfd_gas=yes ;;
 392       sparc-*)  bfd_gas=yes ;;
 393       strongarm-*)      bfd_gas=yes ;;
 394       *-elf)    bfd_gas=yes ;;
 395       *-ecoff)  bfd_gas=yes ;;
 396       *-som)    bfd_gas=yes ;;
 397     #enable bfd for coff and aout to allow testing if a bfd target is
 398     #the primary target, but not for coff or aout as the primary target
 399       i386-coff)        if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
 400       i386-aout)        if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
 401       *)                ;;
 402     esac
 403
 404 # Other random stuff.
 405
 406     # Do we need the opcodes library?
 407     case ${cpu_type} in
 408       vax | i386 | tic30)
 409         ;;
 410
 411       *)
 412         need_opcodes=yes
 413
 414         case "${enable_shared}" in
 415         yes) shared_opcodes=true ;;
 416         *opcodes*) shared_opcodes=true ;;
 417         *) shared_opcodes=false ;;
 418         esac
 419         if test "${shared_opcodes}" = "true"; then
 420           # A shared libopcodes must be linked against libbfd.
 421           need_bfd=yes
 422         fi
 423         ;;
 424     esac
 425
 426     # Any other special object files needed ?
 427     case ${cpu_type} in
 428       fr30 | m32r)
 429         using_cgen=yes
 430         ;;
 431
 432       m68k)
 433         case ${extra_objects} in
 434         *m68k-parse.o*) ;;
 435         *) extra_objects="$extra_objects m68k-parse.o" ;;
 436         esac
 437         ;;
 438
 439       mips)
 440         echo ${extra_objects} | grep -s "itbl-parse.o"
 441         if test $? -ne 0 ; then
 442           extra_objects="$extra_objects itbl-parse.o"
 443         fi
 444
 445         echo ${extra_objects} | grep -s "itbl-lex.o"
 446         if test $? -ne 0 ; then
 447           extra_objects="$extra_objects itbl-lex.o"
 448         fi
 449
 450         echo ${extra_objects} | grep -s "itbl-ops.o"
 451         if test $? -ne 0 ; then
 452           extra_objects="$extra_objects itbl-ops.o"
 453         fi
 454         ;;
 455
 456       sparc)
 457         if test $this_target = $target ; then
 458           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 459         fi
 460         ;;
 461       *)
 462         ;;
 463     esac
 464
 465     if test $using_cgen = yes ; then
 466         case "x${extra_objects}" in
 467         *cgen.o*) ;;
 468         *) extra_objects="$extra_objects cgen.o" ;;
 469         esac
 470     fi
 471
 472 # See if we really can support this configuration with the emulation code.
 473
 474     if test $this_target = $target ; then
 475       primary_bfd_gas=$bfd_gas
 476       obj_format=$fmt
 477       te_file=$em
 478
 479       if test $bfd_gas = no ; then
 480         # Can't support other configurations this way.
 481         break
 482       fi
 483     elif test $bfd_gas = no ; then
 484       # Can't support this configuration.
 485       break
 486     fi
 487
 488 # From target name and format, produce a list of supported emulations.
 489
 490     case ${generic_target}-${fmt} in
 491       mips-*-irix5*-*)  emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
 492       mips-*-linux-gnu*-*) case "$endian" in
 493                         big)    emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
 494                         *)      emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
 495                         esac ;;
 496       mips-*-lnews*-ecoff) ;;
 497       mips-*-*-ecoff)   case "$endian" in
 498                         big)    emulation="mipsbecoff mipslecoff mipsecoff" ;;
 499                         *)      emulation="mipslecoff mipsbecoff mipsecoff" ;;
 500                         esac ;;
 501       mips-*-*-elf)     case "$endian" in
 502                         big)    emulation="mipsbelf mipslelf mipself" ;;
 503                         *)      emulation="mipslelf mipsbelf mipself" ;;
 504                         esac ;;
 505       # Uncommenting the next line will turn on support for i386 AOUT
 506       # for the default linux configuration
 507       # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
 508       #
 509       i386-*-aout)      emulation="i386aout" ;;
 510       i386-*-coff)      emulation="i386coff" ;;
 511       i386-*-elf)       emulation="i386elf" ;;
 512     esac
 513
 514     emulations="$emulations $emulation"
 515
 516 done
 517
 518 # Assign floating point type.  Most processors with FP support
 519 # IEEE FP.  On those that don't support FP at all, usually IEEE
 520 # is emulated.
 521 case ${target_cpu} in
 522   vax | tahoe ) atof=${target_cpu} ;;
 523   *)            atof=ieee ;;
 524 esac
 525
 526 case "${obj_format}" in
 527   "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
 528 esac
 529
 530 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
 531 cgen_cpu_prefix=""
 532 if test $using_cgen = yes ; then
 533   case ${target_cpu} in
 534     *) cgen_cpu_prefix=${target_cpu} ;;
 535   esac
 536   AC_SUBST(cgen_cpu_prefix)
 537   AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
 538 fi
 539
 540 dnl
 541 dnl Make sure the desired support files exist.
 542 dnl
 543
 544 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
 545   AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
 546 fi
 547
 548 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
 549   AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
 550 fi
 551
 552 case ${user_bfd_gas}-${primary_bfd_gas} in
 553   yes-yes | no-no)
 554     # We didn't override user's choice.
 555     ;;
 556   no-yes)
 557     AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
 558     ;;
 559   no-preferred)
 560     primary_bfd_gas=no
 561     ;;
 562   *-preferred)
 563     primary_bfd_gas=yes
 564     ;;
 565   yes-*)
 566     primary_bfd_gas=yes
 567     ;;
 568   -*)
 569     # User specified nothing.
 570     ;;
 571 esac
 572
 573 # Some COFF configurations want these random other flags set.
 574 case ${obj_format} in
 575   coff)
 576     case ${target_cpu_type} in
 577       i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
 578       m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
 579       m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
 580     esac
 581     ;;
 582 esac
 583
 584 # Getting this done right is going to be a bitch.  Each configuration specified
 585 # with --enable-targets=... should be checked for environment, format, cpu, and
 586 # bfd_gas setting.
 587 #
 588 # For each configuration, the necessary object file support code must be linked
 589 # in.  This might be only one, it might be up to four.  The necessary emulation
 590 # code needs to be provided, too.
 591 #
 592 # And then there's "--enable-targets=all"....
 593 #
 594 # For now, just always do it for MIPS ELF or ECOFF configurations.  Sigh.
 595
 596 formats="${obj_format}"
 597 emfiles=""
 598 EMULATIONS=""
 599 GAS_UNIQ(emulations)
 600 for em in . $emulations ; do
 601   case $em in
 602     .)  continue ;;
 603     mipsbelf | mipslelf)
 604         fmt=elf   file=mipself ;;
 605     mipsbecoff | mipslecoff)
 606         fmt=ecoff file=mipsecoff ;;
 607     i386aout)
 608         fmt=aout  file=i386aout ;;
 609     i386coff)
 610         fmt=coff  file=i386coff ;;
 611     i386elf)
 612         fmt=elf   file=i386elf ;;
 613   esac
 614   formats="$formats $fmt"
 615   emfiles="$emfiles e-$file.o"
 616   EMULATIONS="$EMULATIONS &$em,"
 617 done
 618 GAS_UNIQ(formats)
 619 GAS_UNIQ(emfiles)
 620 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
 621   for fmt in $formats ; do
 622     case $fmt in
 623       aout)     AC_DEFINE(OBJ_MAYBE_AOUT, 1,    [a.out support?])   ;;
 624       bout)     AC_DEFINE(OBJ_MAYBE_BOUT, 1,    [b.out support?])   ;;
 625       coff)     AC_DEFINE(OBJ_MAYBE_COFF, 1,    [COFF support?])    ;;
 626       ecoff)    AC_DEFINE(OBJ_MAYBE_ECOFF, 1,   [ECOFF support?])   ;;
 627       elf)      AC_DEFINE(OBJ_MAYBE_ELF, 1,     [ELF support?])     ;;
 628       generic)  AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
 629       hp300)    AC_DEFINE(OBJ_MAYBE_HP300, 1,   [HP300 support?])   ;;
 630       ieee)     AC_DEFINE(OBJ_MAYBE_IEEE, 1,    [IEEE support?])    ;;
 631       som)      AC_DEFINE(OBJ_MAYBE_SOM, 1,     [SOM support?])     ;;
 632       vms)      AC_DEFINE(OBJ_MAYBE_VMS, 1,     [VMS support?])     ;;
 633     esac
 634     extra_objects="$extra_objects obj-$fmt.o"
 635   done
 636   obj_format=multi
 637 fi
 638 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
 639   DEFAULT_EMULATION=`set . $emulations ; echo $2`
 640   # e-mips* has more than one emulation per file, e-i386* has just one at the
 641   # moment.  If only one emulation is specified, then don't define
 642   # USE_EMULATIONS or include any of the e-files as they will only be bloat.
 643   case "${obj_format}${emfiles}" in
 644     multi* | *mips*)
 645       extra_objects="$extra_objects $emfiles"
 646       AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
 647   esac
 648 fi
 649 AC_SUBST(extra_objects)
 650 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
 651 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
 652                    [Default emulation.])
 653
 654 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
 655   yes-*-coff)   need_bfd=yes ;;
 656   no-*-coff)    need_bfd=yes
 657                 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
 658 esac
 659
 660 reject_dev_configs=yes
 661
 662 case ${reject_dev_configs}-${dev} in
 663   yes-yes) # Oops.
 664     AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
 665     ;;
 666 esac
 667
 668 AC_SUBST(target_cpu_type)
 669 AC_SUBST(obj_format)
 670 AC_SUBST(te_file)
 671 AC_SUBST(install_tooldir)
 672 AC_SUBST(atof)
 673 dnl AC_SUBST(emulation)
 674
 675 case "${primary_bfd_gas}" in
 676   yes)  AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
 677         need_bfd=yes ;;
 678 esac
 679
 680 # do we need the opcodes library?
 681 case "${need_opcodes}" in
 682 yes)
 683   OPCODES_LIB=../opcodes/libopcodes.la
 684   ;;
 685 esac
 686
 687 case "${need_bfd}" in
 688 yes)
 689   BFDLIB=../bfd/libbfd.la
 690   ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
 691   ;;
 692 esac
 693
 694 AC_SUBST(BFDLIB)
 695 AC_SUBST(OPCODES_LIB)
 696
 697 AC_SUBST(ALL_OBJ_DEPS)
 698
 699 AC_DEFINE_UNQUOTED(TARGET_ALIAS,        "${target_alias}", [Target alias.])
 700 AC_DEFINE_UNQUOTED(TARGET_CANONICAL,    "${target}",       [Canonical target.])
 701 AC_DEFINE_UNQUOTED(TARGET_CPU,          "${target_cpu}",   [Target CPU.])
 702 AC_DEFINE_UNQUOTED(TARGET_VENDOR,       "${target_vendor}", [Target vendor.])
 703 AC_DEFINE_UNQUOTED(TARGET_OS,           "${target_os}",    [Target OS.])
 704
 705 AC_PROG_CC
 706
 707 AC_PROG_YACC
 708 AM_PROG_LEX
 709
 710 ALL_LINGUAS=
 711 CY_GNU_GETTEXT
 712
 713 AM_MAINTAINER_MODE
 714 AC_EXEEXT
 715
 716 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
 717
 718 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
 719 # people who are not cross-compiling but are compiling cross-assemblers.
 720 AC_MSG_CHECKING(whether compiling a cross-assembler)
 721 if test "${host}" = "${target}"; then
 722   cross_gas=no
 723 else
 724   cross_gas=yes
 725   AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
 726 fi
 727 AC_MSG_RESULT($cross_gas)
 728
 729 dnl ansidecl.h will deal with const
 730 dnl AC_CONST
 731 AC_FUNC_ALLOCA
 732 AC_C_INLINE
 733
 734 # VMS doesn't have unlink.
 735 AC_CHECK_FUNCS(unlink remove, break)
 736
 737 # Some systems don't have sbrk().
 738 AC_CHECK_FUNCS(sbrk)
 739
 740 # Some non-ANSI preprocessors botch requoting inside strings.  That's bad
 741 # enough, but on some of those systems, the assert macro relies on requoting
 742 # working properly!
 743 GAS_WORKING_ASSERT
 744
 745 # On some systems, the system header files may not declare malloc, realloc,
 746 # and free.  There are places where gas needs these functions to have been
 747 # declared -- such as when taking their addresses.
 748 gas_test_headers="
 749 #ifdef HAVE_MEMORY_H
 750 #include <memory.h>
 751 #endif
 752 #ifdef HAVE_STRING_H
 753 #include <string.h>
 754 #else
 755 #ifdef HAVE_STRINGS_H
 756 #include <strings.h>
 757 #endif
 758 #endif
 759 #ifdef HAVE_STDLIB_H
 760 #include <stdlib.h>
 761 #endif
 762 #ifdef HAVE_UNISTD_H
 763 #include <unistd.h>
 764 #endif
 765 "
 766 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
 767 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
 768 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
 769 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
 770 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
 771
 772 # Does errno.h declare errno, or do we have to add a separate declaration
 773 # for it?
 774 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
 775 #ifdef HAVE_ERRNO_H
 776 #include <errno.h>
 777 #endif
 778 ])
 779
 780 dnl This must come last.
 781
 782 dnl We used to make symlinks to files in the source directory, but now
 783 dnl we just use the right name for .c files, and create .h files in
 784 dnl the build directory which include the right .h file.  Make sure
 785 dnl the old symlinks don't exist, so that a reconfigure in an existing
 786 dnl directory behaves reasonably.
 787
 788 AC_OUTPUT(Makefile doc/Makefile ${GDBINIT}:gdbinit.in po/Makefile.in:po/Make-in,
 789 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
 790  echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
 791  echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
 792  echo '#include "te-'"${te_file}"'.h"' > targ-env.h
 793  echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
 794  if test "x$cgen_cpu_prefix" != x ; then
 795    echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
 796  fi
 797
 798  sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
 799 [target_cpu_type=${target_cpu_type}
 800  cgen_cpu_prefix=${cgen_cpu_prefix}
 801  obj_format=${obj_format}
 802  te_file=${te_file}])