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, 2.10.90)
  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 ${enableval} for BFD commonbfdlib option]) ;;
  39 esac])dnl
  40
  41 using_cgen=no
  42
  43 build_warnings="-W -Wall"
  44 AC_ARG_ENABLE(build-warnings,
  45 [  --enable-build-warnings Enable build-time compiler warnings if gcc is used],
  46 [case "${enableval}" in
  47   yes)  ;;
  48   no)   build_warnings="-w";;
  49   ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
  50         build_warnings="${build_warnings} ${t}";;
  51   *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
  52         build_warnings="${t} ${build_warnings}";;
  53   *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
  54 esac
  55 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
  56   echo "Setting warning flags = $build_warnings" 6>&1
  57 fi])dnl
  58 WARN_CFLAGS=""
  59 if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
  60     WARN_CFLAGS="${build_warnings}"
  61 fi
  62 AC_SUBST(WARN_CFLAGS)
  63
  64 # Generate a header file
  65 AM_CONFIG_HEADER(config.h:config.in)
  66
  67 # If we are on a DOS filesystem, we must use gdb.ini rather than
  68 # .gdbinit.
  69 GDBINIT=".gdbinit"
  70 case "${host}" in
  71   *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
  72     GDBINIT="gdb.ini"
  73     ;;
  74 esac
  75 AC_SUBST(GDBINIT)
  76
  77 te_file=generic
  78
  79 # Makefile target for installing gas in $(tooldir)/bin.
  80 install_tooldir=install-exec-tooldir
  81
  82 canon_targets=""
  83 all_targets=no
  84 if test -n "$enable_targets" ; then
  85   for t in `echo $enable_targets | sed 's/,/ /g'`; do
  86     if test $t = "all"; then
  87       all_targets=yes
  88       continue
  89     fi
  90     result=`$ac_config_sub $t 2>/dev/null`
  91     if test -n "$result" ; then
  92       canon_targets="$canon_targets $result"
  93 #    else
  94 #      # Permit "all", etc.  We don't support it yet though.
  95 #      canon_targets="$canon_targets $t"
  96     fi
  97   done
  98   GAS_UNIQ(canon_targets)
  99 fi
 100
 101 emulations=""
 102
 103 for this_target in $target $canon_targets ; do
 104
 105 changequote(,)dnl
 106     eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
 107 changequote([,])dnl
 108
 109     # check for architecture variants
 110     arch=
 111     endian=
 112     case ${cpu} in
 113       alpha*)           cpu_type=alpha ;;
 114       armeb)            cpu_type=arm endian=big ;;
 115       arm*)             cpu_type=arm endian=little ;;
 116       armb*)            cpu_type=arm endian=little ;;
 117       armv*l)           cpu_type=arm endian=little ;;
 118       armv*b)           cpu_type=arm endian=big ;;
 119       strongarm*)       cpu_type=arm endian=little ;;
 120       thumb*)           cpu_type=arm endian=little ;;
 121       hppa*)            cpu_type=hppa ;;
 122 changequote(,)dnl
 123       i[456]86)         cpu_type=i386 ;;
 124       ia64)             cpu_type=ia64 ;;
 125       m6811|m6812)      cpu_type=m68hc11 ;;
 126       m680[012346]0)    cpu_type=m68k ;;
 127 changequote([,])dnl
 128       m68008)           cpu_type=m68k ;;
 129       m683??)           cpu_type=m68k ;;
 130       m5200)            cpu_type=m68k ;;
 131       m8*)              cpu_type=m88k ;;
 132       mips*el)          cpu_type=mips endian=little ;;
 133       mips*)            cpu_type=mips endian=big ;;
 134       pjl*)             cpu_type=pj endian=little ;;
 135       pj*)              cpu_type=pj endian=big ;;
 136       powerpcle*)       cpu_type=ppc endian=little ;;
 137       powerpc*)         cpu_type=ppc endian=big ;;
 138       rs6000*)          cpu_type=ppc ;;
 139       sparclite*)       cpu_type=sparc arch=sparclite ;;
 140       sparclet*)        cpu_type=sparc arch=sparclet ;;
 141       sparc64*)         cpu_type=sparc arch=v9-64 ;;
 142       sparc86x*)        cpu_type=sparc arch=sparc86x  ;;
 143       sparc*)           cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c.
 144       v850*)            cpu_type=v850 ;;
 145       *)                cpu_type=${cpu} ;;
 146     esac
 147
 148     if test ${this_target} = $target ; then
 149       target_cpu_type=${cpu_type}
 150     elif test ${target_cpu_type} != ${cpu_type} ; then
 151       continue
 152     fi
 153
 154     generic_target=${cpu_type}-$vendor-$os
 155     dev=no
 156     bfd_gas=no
 157     em=generic
 158
 159     # assign object format
 160     case ${generic_target} in
 161       a29k-*-coff)          fmt=coff ;;
 162       a29k-amd-udi)         fmt=coff ;;
 163       a29k-amd-ebmon)       fmt=coff ;;
 164       a29k-nyu-sym1)        fmt=coff ;;
 165       a29k-*-vxworks*)      fmt=coff ;;
 166
 167       alpha*-*-*vms*)       fmt=evax ;;
 168       alpha*-*-netware*)    fmt=ecoff ;;
 169       alpha*-*-openbsd*)    fmt=ecoff ;;
 170       alpha*-*-osf*)        fmt=ecoff ;;
 171       alpha*-*-linuxecoff*) fmt=ecoff ;;
 172       alpha*-*-linux-gnu*)  fmt=elf em=linux ;;
 173       alpha*-*-netbsd*)     fmt=elf em=nbsd ;;
 174
 175       arc-*-elf*)           fmt=elf bfd_gas=yes ;;
 176
 177       arm-*-aout)                       fmt=aout ;;
 178       arm-*-coff | thumb-*-coff)        fmt=coff ;;
 179       arm-*-elf | thumb-*-elf)          fmt=elf ;;
 180       arm*-*-conix*)                    fmt=elf ;;
 181       arm-*-linux*aout*)                fmt=aout em=linux ;;
 182       arm*-*-linux-gnu*)                fmt=elf  em=linux ;;
 183       arm-*-netbsd*)                    fmt=aout em=nbsd ;;
 184       arm-*-oabi | thumb-*-oabi)        fmt=elf ;;
 185       arm-epoc-pe | thumb-epoc-pe)      fmt=coff em=epoc-pe ;;
 186       arm-*-wince)                      fmt=coff em=wince-pe ;;
 187       arm-*-pe | thumb-*-pe)            fmt=coff em=pe ;;
 188       arm-*-riscix*)                    fmt=aout em=riscix ;;
 189
 190       avr-*-*)              fmt=elf bfd_gas=yes ;;
 191
 192       d10v-*-*)             fmt=elf bfd_gas=yes ;;
 193       d30v-*-*)             fmt=elf bfd_gas=yes ;;
 194
 195
 196       fr30-*-*)             fmt=elf bfd_gas=yes ;;
 197
 198       hppa-*-linux-gnu*)    fmt=elf em=linux ;;
 199       hppa-*-*elf*)         fmt=elf em=hppa ;;
 200       hppa-*-lites*)        fmt=elf em=hppa ;;
 201       hppa-*-osf*)          fmt=som em=hppa ;;
 202       hppa-*-rtems*)        fmt=elf em=hppa ;;
 203       hppa-*-hpux11*)       em=hppa
 204                             case ${cpu} in
 205                                 hppa*64*)
 206                                         fmt=elf;;
 207                                 hppa*)
 208                                         fmt=som;;
 209                             esac
 210                             ;;
 211       hppa-*-hpux*)         fmt=som em=hppa ;;
 212       hppa-*-mpeix*)        fmt=som em=hppa ;;
 213       hppa-*-bsd*)          fmt=som em=hppa ;;
 214       hppa-*-hiux*)         fmt=som em=hppa ;;
 215
 216       h8300-*-coff)         fmt=coff ;;
 217
 218       i370-*-elf* | i370-*-linux*) fmt=elf ;;
 219       i386-ibm-aix*)        fmt=coff em=i386aix ;;
 220       i386-sequent-bsd*)    fmt=aout em=dynix bfd_gas=yes ;;
 221       i386-*-beospe*)       fmt=coff em=pe bfd_gas=yes ;;
 222       i386-*-beoself* | i386-*-beos*) fmt=elf bfd_gas=yes ;;
 223       i386-*-bsd*)          fmt=aout em=386bsd ;;
 224       i386-*-netbsd0.8)     fmt=aout em=386bsd ;;
 225       i386-*-netbsd*)       fmt=aout em=nbsd bfd_gas=yes;;
 226       i386-*-openbsd*)      fmt=aout em=nbsd bfd_gas=yes;;
 227       i386-*-linux*aout* | i386-*-linuxoldld)   fmt=aout em=linux ;;
 228       i386-*-linux*coff*)   fmt=coff em=linux ;;
 229       i386-*-linux-gnu*)    fmt=elf em=linux bfd_gas=yes ;;
 230       i386-*-lynxos*)       fmt=coff em=lynx ;;
 231       i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
 232                             fmt=elf bfd_gas=yes ;;
 233 changequote(,)dnl
 234       i386-*-freebsdaout* | i386-*-freebsd[12].* | i386-*-freebsd[12])
 235                             fmt=aout em=386bsd ;;
 236 changequote([,])dnl
 237       i386-*-freebsd*)      fmt=elf bfd_gas=yes ;;
 238       i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
 239                           fmt=coff ;;
 240       i386-*-sco3.2v5*)      fmt=elf
 241                             if test ${this_target} = $target; then
 242                                 AC_DEFINE(SCO_ELF, 1,
 243                                     [Define if defaulting to ELF on SCO 5.])
 244                             fi
 245                             ;;
 246       i386-*-sco3.2*)       fmt=coff ;;
 247       i386-*-vsta)          fmt=aout ;;
 248       i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
 249                             fmt=coff em=go32;;
 250       i386-*-rtemself*)     fmt=elf ;;
 251       i386-*-rtems*)        fmt=coff ;;
 252       i386-*-gnu*)          fmt=elf ;;
 253       i386-*-mach*)
 254                             fmt=aout em=mach bfd_gas=yes ;;
 255       i386-*-msdos*)        fmt=aout ;;
 256       i386-*-moss*)         fmt=elf ;;
 257       i386-*-pe)            fmt=coff em=pe bfd_gas=yes ;;
 258       i386-*-cygwin*)       fmt=coff em=pe bfd_gas=yes ;;
 259       i386-*-interix*)      fmt=coff em=interix bfd_gas=yes ;;
 260       i386-*-mingw32*)      fmt=coff em=pe bfd_gas=yes ;;
 261       i386-*-*nt*)          fmt=coff em=pe bfd_gas=yes ;;
 262       i386-*-vxworks*)      fmt=aout ;;
 263       i960-*-bout)          fmt=bout ;;
 264       i960-*-coff)          fmt=coff em=ic960 ;;
 265       i960-*-rtems*)        fmt=coff em=ic960 ;;
 266       i960-*-nindy*)        fmt=bout ;;
 267       i960-*-vxworks4*)     fmt=bout ;;
 268       i960-*-vxworks5.0)    fmt=bout ;;
 269       i960-*-vxworks5.*)    fmt=coff em=ic960 ;;
 270       i960-*-vxworks*)      fmt=bout ;;
 271       i960-*-elf*)          fmt=elf ;;
 272
 273       ia64-*-elf*)          fmt=elf ;;
 274       ia64-*-linux-gnu*)    fmt=elf em=linux ;;
 275
 276       m32r-*-*)             fmt=elf bfd_gas=yes ;;
 277
 278       m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)fmt=elf bfd_gas=yes ;;
 279
 280       m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
 281                             fmt=aout em=sun3 ;;
 282       m68k-motorola-sysv*)  fmt=coff em=delta ;;
 283       m68k-bull-sysv3*)     fmt=coff em=dpx2 ;;
 284       m68k-apollo-*)        fmt=coff em=apollo ;;
 285       m68k-*-sysv4*) # must be before -sysv*
 286                             fmt=elf em=svr4 ;;
 287       m68k-*-elf*)          fmt=elf ;;
 288       m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
 289                             fmt=coff ;;
 290       m68k-*-hpux*)         fmt=hp300 em=hp300 ;;
 291       m68k-*-linux*aout*)   fmt=aout em=linux ;;
 292       m68k-*-linux-gnu*)    fmt=elf em=linux ;;
 293       m68k-*-gnu*)          fmt=elf ;;
 294       m68k-*-lynxos*)       fmt=coff em=lynx ;;
 295       m68k-*-netbsd*)       fmt=aout em=nbsd bfd_gas=yes ;;
 296       m68k-*-openbsd*)      fmt=aout em=nbsd bfd_gas=yes ;;
 297       m68k-apple-aux*)      fmt=coff em=aux ;;
 298       m68k-*-psos*)         fmt=elf em=psos;;
 299
 300       m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
 301       m88k-*-coff*)         fmt=coff ;;
 302
 303       mcore-*-elf)          fmt=elf bfd_gas=yes ;;
 304       mcore-*-pe)           fmt=coff em=pe bfd_gas=yes ;;
 305
 306       # don't change em like *-*-bsd does
 307       mips-dec-netbsd*)     fmt=elf endian=little ;;
 308       mips-dec-openbsd*)    fmt=elf endian=little ;;
 309       mips-dec-bsd*)        fmt=aout endian=little ;;
 310       mips-sony-bsd*)       fmt=ecoff ;;
 311       mips-*-bsd*)          AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
 312       mips-*-ultrix*)       fmt=ecoff endian=little ;;
 313       mips-*-osf*)          fmt=ecoff endian=little ;;
 314       mips-*-ecoff*)        fmt=ecoff ;;
 315       mips-*-ecoff*)        fmt=ecoff ;;
 316       mips-*-pe*)           fmt=coff endian=little em=pe ;;
 317       mips-*-irix6*)        fmt=elf ;;
 318       mips-*-irix5*)        fmt=elf ;;
 319       mips-*-irix*)         fmt=ecoff ;;
 320       mips-*-lnews*)        fmt=ecoff em=lnews ;;
 321       mips-*-riscos*)       fmt=ecoff ;;
 322       mips-*-sysv4*MP*)     if test -d /usr/dde; then
 323                               fmt=elf
 324                               em=tmips
 325                             fi
 326                             ;;
 327       mips-*-sysv*)         fmt=ecoff ;;
 328       mips-*-elf* | mips-*-rtems* | mips-*-linux-gnu* | mips-*-gnu* | mips-*-openbsd*)
 329                             fmt=elf ;;
 330       mips-*-vxworks*)      fmt=elf
 331                             AC_DEFINE(MIPS_STABS_ELF, 1,
 332                                 [Use ELF stabs for MIPS, not ECOFF stabs])
 333                             ;;
 334       mn10200-*-*)          fmt=elf bfd_gas=yes ;;
 335       mn10300-*-*)          fmt=elf bfd_gas=yes ;;
 336       pj*)                  fmt=elf ;;
 337       ppc-*-pe | ppc-*-cygwin* | ppc-*-winnt*)
 338                             fmt=coff em=pe ;;
 339       ppc-*-aix*)           fmt=coff ;;
 340       ppc-*-beos*)          fmt=coff ;;
 341       ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
 342                             fmt=elf ;;
 343       ppc-*-linux-gnu*)     fmt=elf
 344                             case "$endian" in
 345                             big)  ;;
 346                             *)    AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
 347                             esac
 348                             ;;
 349       ppc-*-solaris*)       fmt=elf
 350                             if test ${this_target} = $target; then
 351                                 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
 352                                 [Define if default target is PowerPC Solaris.])
 353                             fi
 354                             if test x${endian} = xbig; then
 355                                 AC_MSG_ERROR(Solaris must be configured little endian)
 356                             fi
 357                             ;;
 358       ppc-*-rtems*)         fmt=elf ;;
 359       ppc-*-macos* | ppc-*-mpw*)
 360                             fmt=coff em=macos ;;
 361       ppc-*-netware*)       fmt=elf em=ppcnw ;;
 362       ppc-*-vxworks*)       fmt=elf ;;
 363
 364       sh-*-elf*)            fmt=elf ;;
 365       sh-*-coff*)           fmt=coff ;;
 366       sh-*-pe*)             fmt=coff em=pe bfd_gas=yes;;
 367       sh-*-rtemself*)       fmt=elf ;;
 368       sh-*-rtems*)          fmt=coff ;;
 369
 370       ns32k-pc532-mach* | ns32k-pc532-ux*)    fmt=aout em=pc532mach ;;
 371       ns32k-pc532-netbsd* | ns32k-pc532-lites*)  fmt=aout em=nbsd532 ;;
 372       ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
 373
 374       sparc-*-rtems*)       fmt=aout ;;
 375       sparc-*-sunos4*)      fmt=aout em=sun3 ;;
 376       sparc-*-aout | sparc*-*-vxworks*)
 377                             fmt=aout em=sparcaout ;;
 378       sparc-*-coff)         fmt=coff ;;
 379       sparc-*-linux*aout*)  fmt=aout em=linux ;;
 380       sparc-*-linux-gnu*)   fmt=elf em=linux ;;
 381       sparc-*-lynxos*)      fmt=coff em=lynx ;;
 382       sparc-fujitsu-none)   fmt=aout ;;
 383       sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
 384                             fmt=elf ;;
 385       sparc-*-netbsd*)      em=nbsd bfd_gas=yes
 386                             case ${cpu} in
 387                                 sparc) case ${os} in
 388                                            *elf*) fmt=elf ;;
 389                                            *)     fmt=aout ;;
 390                                        esac ;;
 391                                 sparc64) fmt=elf ;;
 392                             esac
 393                             ;;
 394       sparc-*-openbsd*)     fmt=aout em=nbsd ;;
 395
 396       strongarm-*-coff)     fmt=coff ;;
 397       strongarm-*-elf)      fmt=elf ;;
 398
 399       tic30-*-*aout*)       fmt=aout bfd_gas=yes ;;
 400       tic30-*-*coff*)       fmt=coff bfd_gas=yes ;;
 401       tic54x-*-* | c54x*-*-*)
 402                             fmt=coff bfd_gas=yes need_libm=yes;;
 403       tic80-*-*)            fmt=coff ;;
 404
 405       v850-*-*)             fmt=elf bfd_gas=yes ;;
 406       v850e-*-*)            fmt=elf bfd_gas=yes ;;
 407       v850ea-*-*)           fmt=elf bfd_gas=yes ;;
 408
 409       vax-*-bsd* | vax-*-ultrix*)
 410                             fmt=aout ;;
 411       vax-*-vms)            fmt=vms ;;
 412
 413
 414       z8k-*-coff | z8k-*-sim)
 415                             fmt=coff ;;
 416
 417       w65-*-*)              fmt=coff ;;
 418
 419       *-*-aout | *-*-scout)
 420                             fmt=aout ;;
 421       *-*-nindy*)
 422                             fmt=bout ;;
 423       *-*-bsd*)
 424                             fmt=aout em=sun3 ;;
 425       *-*-generic)          fmt=generic ;;
 426       *-*-xray | *-*-hms)   fmt=coff ;;
 427       *-*-sim)              fmt=coff ;;
 428       *-*-elf | *-*-sysv4* | *-*-solaris*)
 429                             AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
 430                             fmt=elf dev=yes ;;
 431       *-*-vxworks)          fmt=aout ;;
 432       *-*-netware)          fmt=elf ;;
 433     esac
 434
 435     if test ${this_target} = $target ; then
 436       endian_def=
 437       if test x${endian} = xbig; then
 438         endian_def=1
 439       elif test x${endian} = xlittle; then
 440         endian_def=0
 441       fi
 442       if test x${endian_def} != x; then
 443         AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
 444                            [Define as 1 if big endian.])
 445       fi
 446     fi
 447
 448     case ${cpu_type}-${fmt} in
 449       alpha*-*) bfd_gas=yes ;;
 450       arm-*)    bfd_gas=yes ;;
 451     # not yet
 452     # i386-aout)        bfd_gas=preferred ;;
 453       ia64*-*)  bfd_gas=yes ;;
 454       mips-*)   bfd_gas=yes ;;
 455       ns32k-*)  bfd_gas=yes ;;
 456       ppc-*)    bfd_gas=yes ;;
 457       sparc-*)  bfd_gas=yes ;;
 458       strongarm-*)      bfd_gas=yes ;;
 459       *-elf)    bfd_gas=yes ;;
 460       *-ecoff)  bfd_gas=yes ;;
 461       *-som)    bfd_gas=yes ;;
 462     #enable bfd for coff and aout to allow testing if a bfd target is
 463     #the primary target, but not for coff or aout as the primary target
 464       i386-coff)        if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
 465       i386-aout)        if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
 466       *)                ;;
 467     esac
 468
 469 # Other random stuff.
 470
 471     # Do we need the opcodes library?
 472     case ${cpu_type} in
 473       vax | i386 | tic30)
 474         ;;
 475
 476       *)
 477         need_opcodes=yes
 478
 479         case "${enable_shared}" in
 480         yes) shared_opcodes=true ;;
 481         *opcodes*) shared_opcodes=true ;;
 482         *) shared_opcodes=false ;;
 483         esac
 484         if test "${shared_opcodes}" = "true"; then
 485           # A shared libopcodes must be linked against libbfd.
 486           need_bfd=yes
 487         fi
 488         ;;
 489     esac
 490
 491     # Any other special object files needed ?
 492     case ${cpu_type} in
 493       fr30 | m32r)
 494         using_cgen=yes
 495         ;;
 496
 497       m68k)
 498         case ${extra_objects} in
 499         *m68k-parse.o*) ;;
 500         *) extra_objects="$extra_objects m68k-parse.o" ;;
 501         esac
 502         ;;
 503
 504       mips)
 505         echo ${extra_objects} | grep -s "itbl-parse.o"
 506         if test $? -ne 0 ; then
 507           extra_objects="$extra_objects itbl-parse.o"
 508         fi
 509
 510         echo ${extra_objects} | grep -s "itbl-lex.o"
 511         if test $? -ne 0 ; then
 512           extra_objects="$extra_objects itbl-lex.o"
 513         fi
 514
 515         echo ${extra_objects} | grep -s "itbl-ops.o"
 516         if test $? -ne 0 ; then
 517           extra_objects="$extra_objects itbl-ops.o"
 518         fi
 519         ;;
 520
 521       sparc)
 522         if test $this_target = $target ; then
 523           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 524         fi
 525         ;;
 526       *)
 527         ;;
 528     esac
 529
 530     if test $using_cgen = yes ; then
 531         case "x${extra_objects}" in
 532         *cgen.o*) ;;
 533         *) extra_objects="$extra_objects cgen.o" ;;
 534         esac
 535     fi
 536
 537 # See if we really can support this configuration with the emulation code.
 538
 539     if test $this_target = $target ; then
 540       primary_bfd_gas=$bfd_gas
 541       obj_format=$fmt
 542       te_file=$em
 543
 544       if test $bfd_gas = no ; then
 545         # Can't support other configurations this way.
 546         break
 547       fi
 548     elif test $bfd_gas = no ; then
 549       # Can't support this configuration.
 550       break
 551     fi
 552
 553 # From target name and format, produce a list of supported emulations.
 554
 555     case ${generic_target}-${fmt} in
 556       mips-*-irix5*-*)  emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
 557       mips-*-linux-gnu*-*) case "$endian" in
 558                         big)    emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
 559                         *)      emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
 560                         esac ;;
 561       mips-*-lnews*-ecoff) ;;
 562       mips-*-*-ecoff)   case "$endian" in
 563                         big)    emulation="mipsbecoff mipslecoff mipsecoff" ;;
 564                         *)      emulation="mipslecoff mipsbecoff mipsecoff" ;;
 565                         esac ;;
 566       mips-*-*-elf)     case "$endian" in
 567                         big)    emulation="mipsbelf mipslelf mipself" ;;
 568                         *)      emulation="mipslelf mipsbelf mipself" ;;
 569                         esac ;;
 570       mips-*-sysv4*MP*-*) if test -d /usr/dde; then
 571                                 emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff"
 572                         fi
 573                         ;;
 574       # i386-pc-pe-coff != i386-pc-coff.
 575       i386-*-pe-coff)   ;;
 576       # Uncommenting the next line will turn on support for i386 AOUT
 577       # for the default linux configuration
 578       # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
 579       #
 580       i386-*-aout)      emulation="i386aout" ;;
 581       i386-*-coff)      emulation="i386coff" ;;
 582       i386-*-elf)       emulation="i386elf" ;;
 583     esac
 584
 585     emulations="$emulations $emulation"
 586
 587 done
 588
 589 # Turn on all targets if possible
 590 if test ${all_targets} = "yes"; then
 591   case ${target_cpu_type} in
 592   i386)
 593     case ${obj_format} in
 594     aout)
 595       emulations="$emulations i386coff i386elf"
 596       ;;
 597     coff)
 598       emulations="$emulations i386aout i386elf"
 599     ;;
 600     elf)
 601       emulations="$emulations i386aout i386coff"
 602       ;;
 603     esac
 604   ;;
 605   esac
 606 fi
 607
 608 # Assign floating point type.  Most processors with FP support
 609 # IEEE FP.  On those that don't support FP at all, usually IEEE
 610 # is emulated.
 611 case ${target_cpu} in
 612   vax | tahoe ) atof=${target_cpu} ;;
 613   *)            atof=ieee ;;
 614 esac
 615
 616 case "${obj_format}" in
 617   "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
 618 esac
 619
 620 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
 621 cgen_cpu_prefix=""
 622 if test $using_cgen = yes ; then
 623   case ${target_cpu} in
 624     *) cgen_cpu_prefix=${target_cpu} ;;
 625   esac
 626   AC_SUBST(cgen_cpu_prefix)
 627   AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
 628 fi
 629
 630 dnl
 631 dnl Make sure the desired support files exist.
 632 dnl
 633
 634 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
 635   AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
 636 fi
 637
 638 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
 639   AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
 640 fi
 641
 642 case ${user_bfd_gas}-${primary_bfd_gas} in
 643   yes-yes | no-no)
 644     # We didn't override user's choice.
 645     ;;
 646   no-yes)
 647     AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
 648     ;;
 649   no-preferred)
 650     primary_bfd_gas=no
 651     ;;
 652   *-preferred)
 653     primary_bfd_gas=yes
 654     ;;
 655   yes-*)
 656     primary_bfd_gas=yes
 657     ;;
 658   -*)
 659     # User specified nothing.
 660     ;;
 661 esac
 662
 663 # Some COFF configurations want these random other flags set.
 664 case ${obj_format} in
 665   coff)
 666     case ${target_cpu_type} in
 667       i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
 668       m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
 669       m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
 670     esac
 671     ;;
 672 esac
 673
 674 # Getting this done right is going to be a bitch.  Each configuration specified
 675 # with --enable-targets=... should be checked for environment, format, cpu, and
 676 # bfd_gas setting.
 677 #
 678 # For each configuration, the necessary object file support code must be linked
 679 # in.  This might be only one, it might be up to four.  The necessary emulation
 680 # code needs to be provided, too.
 681 #
 682 # And then there's "--enable-targets=all"....
 683 #
 684 # For now, just always do it for MIPS ELF or ECOFF configurations.  Sigh.
 685
 686 formats="${obj_format}"
 687 emfiles=""
 688 EMULATIONS=""
 689 GAS_UNIQ(emulations)
 690 for em in . $emulations ; do
 691   case $em in
 692     .)  continue ;;
 693     mipsbelf | mipslelf)
 694         fmt=elf   file=mipself ;;
 695     mipsbecoff | mipslecoff)
 696         fmt=ecoff file=mipsecoff ;;
 697     *coff)
 698         fmt=coff  file=$em ;;
 699     *aout)
 700         fmt=aout file=$em ;;
 701     *elf)
 702         fmt=elf file=$em ;;
 703   esac
 704   formats="$formats $fmt"
 705   emfiles="$emfiles e-$file.o"
 706   EMULATIONS="$EMULATIONS &$em,"
 707 done
 708 GAS_UNIQ(formats)
 709 GAS_UNIQ(emfiles)
 710 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
 711   for fmt in $formats ; do
 712     case $fmt in
 713       aout)     AC_DEFINE(OBJ_MAYBE_AOUT, 1,    [a.out support?])   ;;
 714       bout)     AC_DEFINE(OBJ_MAYBE_BOUT, 1,    [b.out support?])   ;;
 715       coff)     AC_DEFINE(OBJ_MAYBE_COFF, 1,    [COFF support?])    ;;
 716       ecoff)    AC_DEFINE(OBJ_MAYBE_ECOFF, 1,   [ECOFF support?])   ;;
 717       elf)      AC_DEFINE(OBJ_MAYBE_ELF, 1,     [ELF support?])     ;;
 718       generic)  AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
 719       hp300)    AC_DEFINE(OBJ_MAYBE_HP300, 1,   [HP300 support?])   ;;
 720       ieee)     AC_DEFINE(OBJ_MAYBE_IEEE, 1,    [IEEE support?])    ;;
 721       som)      AC_DEFINE(OBJ_MAYBE_SOM, 1,     [SOM support?])     ;;
 722       vms)      AC_DEFINE(OBJ_MAYBE_VMS, 1,     [VMS support?])     ;;
 723     esac
 724     extra_objects="$extra_objects obj-$fmt.o"
 725   done
 726   obj_format=multi
 727 fi
 728 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
 729   DEFAULT_EMULATION=`set . $emulations ; echo $2`
 730   # e-mips* has more than one emulation per file, e-i386* has just one at the
 731   # moment.  If only one emulation is specified, then don't define
 732   # USE_EMULATIONS or include any of the e-files as they will only be bloat.
 733   case "${obj_format}${emfiles}" in
 734     multi* | *mips*)
 735   # if te_file is tmips, that means the target is mips-*-sysv4*MP* and we do
 736   # not set it to multi.
 737       if [[ $te_file -ne "tmips" ]]; then
 738         te_file=multi
 739       fi
 740       extra_objects="$extra_objects $emfiles"
 741       AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
 742   esac
 743 fi
 744 AC_SUBST(extra_objects)
 745 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
 746 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
 747                    [Default emulation.])
 748
 749 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
 750   yes-*-coff)   need_bfd=yes ;;
 751   no-*-coff)    need_bfd=yes
 752                 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
 753 esac
 754
 755 reject_dev_configs=yes
 756
 757 case ${reject_dev_configs}-${dev} in
 758   yes-yes) # Oops.
 759     AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
 760     ;;
 761 esac
 762
 763 AC_SUBST(target_cpu_type)
 764 AC_SUBST(obj_format)
 765 AC_SUBST(te_file)
 766 AC_SUBST(install_tooldir)
 767 AC_SUBST(atof)
 768 dnl AC_SUBST(emulation)
 769
 770 case "${primary_bfd_gas}" in
 771   yes)  AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
 772         need_bfd=yes ;;
 773 esac
 774
 775 # do we need the opcodes library?
 776 case "${need_opcodes}" in
 777 yes)
 778   OPCODES_LIB=../opcodes/libopcodes.la
 779   ;;
 780 esac
 781
 782 case "${need_bfd}" in
 783 yes)
 784   BFDLIB=../bfd/libbfd.la
 785   ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
 786   ;;
 787 esac
 788
 789 AC_SUBST(BFDLIB)
 790 AC_SUBST(OPCODES_LIB)
 791
 792 AC_SUBST(ALL_OBJ_DEPS)
 793
 794 AC_DEFINE_UNQUOTED(TARGET_ALIAS,        "${target_alias}", [Target alias.])
 795 AC_DEFINE_UNQUOTED(TARGET_CANONICAL,    "${target}",       [Canonical target.])
 796 AC_DEFINE_UNQUOTED(TARGET_CPU,          "${target_cpu}",   [Target CPU.])
 797 AC_DEFINE_UNQUOTED(TARGET_VENDOR,       "${target_vendor}", [Target vendor.])
 798 AC_DEFINE_UNQUOTED(TARGET_OS,           "${target_os}",    [Target OS.])
 799
 800 AC_PROG_CC
 801
 802 AC_PROG_YACC
 803 AM_PROG_LEX
 804
 805 ALL_LINGUAS=
 806 CY_GNU_GETTEXT
 807
 808 AM_MAINTAINER_MODE
 809 AC_EXEEXT
 810
 811 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
 812
 813 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
 814 # people who are not cross-compiling but are compiling cross-assemblers.
 815 AC_MSG_CHECKING(whether compiling a cross-assembler)
 816 if test "${host}" = "${target}"; then
 817   cross_gas=no
 818 else
 819   cross_gas=yes
 820   AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
 821 fi
 822 AC_MSG_RESULT($cross_gas)
 823
 824 dnl ansidecl.h will deal with const
 825 dnl AC_CONST
 826 AC_FUNC_ALLOCA
 827 AC_C_INLINE
 828
 829 # VMS doesn't have unlink.
 830 AC_CHECK_FUNCS(unlink remove, break)
 831
 832 # Some systems don't have sbrk().
 833 AC_CHECK_FUNCS(sbrk)
 834
 835 # do we need the math library?
 836 case "${need_libm}" in
 837 yes)
 838   AC_CHECK_LIBM
 839   AC_SUBST(LIBM)
 840   ;;
 841 esac
 842
 843 # Some non-ANSI preprocessors botch requoting inside strings.  That's bad
 844 # enough, but on some of those systems, the assert macro relies on requoting
 845 # working properly!
 846 GAS_WORKING_ASSERT
 847
 848 # On some systems, the system header files may not declare malloc, realloc,
 849 # and free.  There are places where gas needs these functions to have been
 850 # declared -- such as when taking their addresses.
 851 gas_test_headers="
 852 #ifdef HAVE_MEMORY_H
 853 #include <memory.h>
 854 #endif
 855 #ifdef HAVE_STRING_H
 856 #include <string.h>
 857 #else
 858 #ifdef HAVE_STRINGS_H
 859 #include <strings.h>
 860 #endif
 861 #endif
 862 #ifdef HAVE_STDLIB_H
 863 #include <stdlib.h>
 864 #endif
 865 #ifdef HAVE_UNISTD_H
 866 #include <unistd.h>
 867 #endif
 868 "
 869 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
 870 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
 871 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
 872 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
 873 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
 874
 875 # Does errno.h declare errno, or do we have to add a separate declaration
 876 # for it?
 877 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
 878 #ifdef HAVE_ERRNO_H
 879 #include <errno.h>
 880 #endif
 881 ])
 882
 883 dnl This must come last.
 884
 885 dnl We used to make symlinks to files in the source directory, but now
 886 dnl we just use the right name for .c files, and create .h files in
 887 dnl the build directory which include the right .h file.  Make sure
 888 dnl the old symlinks don't exist, so that a reconfigure in an existing
 889 dnl directory behaves reasonably.
 890
 891 AC_OUTPUT(Makefile doc/Makefile ${GDBINIT}:gdbinit.in po/Makefile.in:po/Make-in,
 892 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
 893  echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
 894  echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
 895  echo '#include "te-'"${te_file}"'.h"' > targ-env.h
 896  echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
 897  if test "x$cgen_cpu_prefix" != x ; then
 898    echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
 899  fi
 900
 901  sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
 902 [target_cpu_type=${target_cpu_type}
 903  cgen_cpu_prefix=${cgen_cpu_prefix}
 904  obj_format=${obj_format}
 905  te_file=${te_file}])