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*)    case ${cpu} in
 199                                 hppa*64*)
 200                                         fmt=elf em=hppalinux64;;
 201                                 hppa*)
 202                                         fmt=elf em=linux;;
 203                             esac ;;
 204       hppa-*-*elf*)         fmt=elf em=hppa ;;
 205       hppa-*-lites*)        fmt=elf em=hppa ;;
 206       hppa-*-osf*)          fmt=som em=hppa ;;
 207       hppa-*-rtems*)        fmt=elf em=hppa ;;
 208       hppa-*-hpux11*)       case ${cpu} in
 209                                 hppa*64*)
 210                                         fmt=elf em=hppa64 ;;
 211                                 hppa*)
 212                                         fmt=som em=hppa ;;
 213                             esac ;;
 214       hppa-*-hpux*)         fmt=som em=hppa ;;
 215       hppa-*-mpeix*)        fmt=som em=hppa ;;
 216       hppa-*-bsd*)          fmt=som em=hppa ;;
 217       hppa-*-hiux*)         fmt=som em=hppa ;;
 218
 219       h8300-*-coff)         fmt=coff ;;
 220
 221       i370-*-elf* | i370-*-linux*) fmt=elf ;;
 222       i386-ibm-aix*)        fmt=coff em=i386aix ;;
 223       i386-sequent-bsd*)    fmt=aout em=dynix bfd_gas=yes ;;
 224       i386-*-beospe*)       fmt=coff em=pe bfd_gas=yes ;;
 225       i386-*-beoself* | i386-*-beos*) fmt=elf bfd_gas=yes ;;
 226       i386-*-bsd*)          fmt=aout em=386bsd ;;
 227       i386-*-netbsd0.8)     fmt=aout em=386bsd ;;
 228       i386-*-netbsd*)       fmt=aout em=nbsd bfd_gas=yes;;
 229       i386-*-openbsd*)      fmt=aout em=nbsd bfd_gas=yes;;
 230       i386-*-linux*aout* | i386-*-linuxoldld)   fmt=aout em=linux ;;
 231       i386-*-linux*coff*)   fmt=coff em=linux ;;
 232       i386-*-linux-gnu*)    fmt=elf em=linux bfd_gas=yes ;;
 233       i386-*-lynxos*)       fmt=coff em=lynx ;;
 234       i386-*-sysv4* | i386-*-solaris* | i386-*-elf)
 235                             fmt=elf bfd_gas=yes ;;
 236 changequote(,)dnl
 237       i386-*-freebsdaout* | i386-*-freebsd[12].* | i386-*-freebsd[12])
 238                             fmt=aout em=386bsd ;;
 239 changequote([,])dnl
 240       i386-*-freebsd*)      fmt=elf bfd_gas=yes ;;
 241       i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
 242                           fmt=coff ;;
 243       i386-*-sco3.2v5*)      fmt=elf
 244                             if test ${this_target} = $target; then
 245                                 AC_DEFINE(SCO_ELF, 1,
 246                                     [Define if defaulting to ELF on SCO 5.])
 247                             fi
 248                             ;;
 249       i386-*-sco3.2*)       fmt=coff ;;
 250       i386-*-vsta)          fmt=aout ;;
 251       i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
 252                             fmt=coff em=go32;;
 253       i386-*-rtemself*)     fmt=elf ;;
 254       i386-*-rtems*)        fmt=coff ;;
 255       i386-*-gnu*)          fmt=elf ;;
 256       i386-*-mach*)
 257                             fmt=aout em=mach bfd_gas=yes ;;
 258       i386-*-msdos*)        fmt=aout ;;
 259       i386-*-moss*)         fmt=elf ;;
 260       i386-*-pe)            fmt=coff em=pe bfd_gas=yes ;;
 261       i386-*-cygwin*)       fmt=coff em=pe bfd_gas=yes ;;
 262       i386-*-interix*)      fmt=coff em=interix bfd_gas=yes ;;
 263       i386-*-mingw32*)      fmt=coff em=pe bfd_gas=yes ;;
 264       i386-*-*nt*)          fmt=coff em=pe bfd_gas=yes ;;
 265       i386-*-vxworks*)      fmt=aout ;;
 266       i960-*-bout)          fmt=bout ;;
 267       i960-*-coff)          fmt=coff em=ic960 ;;
 268       i960-*-rtems*)        fmt=coff em=ic960 ;;
 269       i960-*-nindy*)        fmt=bout ;;
 270       i960-*-vxworks4*)     fmt=bout ;;
 271       i960-*-vxworks5.0)    fmt=bout ;;
 272       i960-*-vxworks5.*)    fmt=coff em=ic960 ;;
 273       i960-*-vxworks*)      fmt=bout ;;
 274       i960-*-elf*)          fmt=elf ;;
 275
 276       ia64-*-elf*)          fmt=elf ;;
 277       ia64-*-linux-gnu*)    fmt=elf em=linux ;;
 278
 279       m32r-*-*)             fmt=elf bfd_gas=yes ;;
 280
 281       m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)fmt=elf bfd_gas=yes ;;
 282
 283       m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
 284                             fmt=aout em=sun3 ;;
 285       m68k-motorola-sysv*)  fmt=coff em=delta ;;
 286       m68k-bull-sysv3*)     fmt=coff em=dpx2 ;;
 287       m68k-apollo-*)        fmt=coff em=apollo ;;
 288       m68k-*-sysv4*) # must be before -sysv*
 289                             fmt=elf em=svr4 ;;
 290       m68k-*-elf*)          fmt=elf ;;
 291       m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
 292                             fmt=coff ;;
 293       m68k-*-hpux*)         fmt=hp300 em=hp300 ;;
 294       m68k-*-linux*aout*)   fmt=aout em=linux ;;
 295       m68k-*-linux-gnu*)    fmt=elf em=linux ;;
 296       m68k-*-gnu*)          fmt=elf ;;
 297       m68k-*-lynxos*)       fmt=coff em=lynx ;;
 298       m68k-*-netbsd*)       fmt=aout em=nbsd bfd_gas=yes ;;
 299       m68k-*-openbsd*)      fmt=aout em=nbsd bfd_gas=yes ;;
 300       m68k-apple-aux*)      fmt=coff em=aux ;;
 301       m68k-*-psos*)         fmt=elf em=psos;;
 302
 303       m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
 304       m88k-*-coff*)         fmt=coff ;;
 305
 306       mcore-*-elf)          fmt=elf bfd_gas=yes ;;
 307       mcore-*-pe)           fmt=coff em=pe bfd_gas=yes ;;
 308
 309       # don't change em like *-*-bsd does
 310       mips-dec-netbsd*)     fmt=elf endian=little ;;
 311       mips-dec-openbsd*)    fmt=elf endian=little ;;
 312       mips-dec-bsd*)        fmt=aout endian=little ;;
 313       mips-sony-bsd*)       fmt=ecoff ;;
 314       mips-*-bsd*)          AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
 315       mips-*-ultrix*)       fmt=ecoff endian=little ;;
 316       mips-*-osf*)          fmt=ecoff endian=little ;;
 317       mips-*-ecoff*)        fmt=ecoff ;;
 318       mips-*-ecoff*)        fmt=ecoff ;;
 319       mips-*-pe*)           fmt=coff endian=little em=pe ;;
 320       mips-*-irix6*)        fmt=elf ;;
 321       mips-*-irix5*)        fmt=elf ;;
 322       mips-*-irix*)         fmt=ecoff ;;
 323       mips-*-lnews*)        fmt=ecoff em=lnews ;;
 324       mips-*-riscos*)       fmt=ecoff ;;
 325       mips-*-sysv4*MP*)     if test -d /usr/dde; then
 326                               fmt=elf
 327                               em=tmips
 328                             fi
 329                             ;;
 330       mips-*-sysv*)         fmt=ecoff ;;
 331       mips-*-elf* | mips-*-rtems* | mips-*-linux-gnu* | mips-*-gnu* | mips-*-openbsd*)
 332                             fmt=elf ;;
 333       mips-*-vxworks*)      fmt=elf
 334                             AC_DEFINE(MIPS_STABS_ELF, 1,
 335                                 [Use ELF stabs for MIPS, not ECOFF stabs])
 336                             ;;
 337       mn10200-*-*)          fmt=elf bfd_gas=yes ;;
 338       mn10300-*-*)          fmt=elf bfd_gas=yes ;;
 339       pj*)                  fmt=elf ;;
 340       ppc-*-pe | ppc-*-cygwin* | ppc-*-winnt*)
 341                             fmt=coff em=pe ;;
 342       ppc-*-aix*)           fmt=coff ;;
 343       ppc-*-beos*)          fmt=coff ;;
 344       ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
 345                             fmt=elf ;;
 346       ppc-*-linux-gnu*)     fmt=elf
 347                             case "$endian" in
 348                             big)  ;;
 349                             *)    AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
 350                             esac
 351                             ;;
 352       ppc-*-solaris*)       fmt=elf
 353                             if test ${this_target} = $target; then
 354                                 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
 355                                 [Define if default target is PowerPC Solaris.])
 356                             fi
 357                             if test x${endian} = xbig; then
 358                                 AC_MSG_ERROR(Solaris must be configured little endian)
 359                             fi
 360                             ;;
 361       ppc-*-rtems*)         fmt=elf ;;
 362       ppc-*-macos* | ppc-*-mpw*)
 363                             fmt=coff em=macos ;;
 364       ppc-*-netware*)       fmt=elf em=ppcnw ;;
 365       ppc-*-vxworks*)       fmt=elf ;;
 366
 367       sh-*-elf*)            fmt=elf ;;
 368       sh-*-coff*)           fmt=coff ;;
 369       sh-*-pe*)             fmt=coff em=pe bfd_gas=yes;;
 370       sh-*-rtemself*)       fmt=elf ;;
 371       sh-*-rtems*)          fmt=coff ;;
 372
 373       ns32k-pc532-mach* | ns32k-pc532-ux*)    fmt=aout em=pc532mach ;;
 374       ns32k-pc532-netbsd* | ns32k-pc532-lites*)  fmt=aout em=nbsd532 ;;
 375       ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
 376
 377       sparc-*-rtems*)       fmt=aout ;;
 378       sparc-*-sunos4*)      fmt=aout em=sun3 ;;
 379       sparc-*-aout | sparc*-*-vxworks*)
 380                             fmt=aout em=sparcaout ;;
 381       sparc-*-coff)         fmt=coff ;;
 382       sparc-*-linux*aout*)  fmt=aout em=linux ;;
 383       sparc-*-linux-gnu*)   fmt=elf em=linux ;;
 384       sparc-*-lynxos*)      fmt=coff em=lynx ;;
 385       sparc-fujitsu-none)   fmt=aout ;;
 386       sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
 387                             fmt=elf ;;
 388       sparc-*-netbsd*)      em=nbsd bfd_gas=yes
 389                             case ${cpu} in
 390                                 sparc) case ${os} in
 391                                            *elf*) fmt=elf ;;
 392                                            *)     fmt=aout ;;
 393                                        esac ;;
 394                                 sparc64) fmt=elf ;;
 395                             esac
 396                             ;;
 397       sparc-*-openbsd*)     fmt=aout em=nbsd ;;
 398
 399       strongarm-*-coff)     fmt=coff ;;
 400       strongarm-*-elf)      fmt=elf ;;
 401
 402       tic30-*-*aout*)       fmt=aout bfd_gas=yes ;;
 403       tic30-*-*coff*)       fmt=coff bfd_gas=yes ;;
 404       tic54x-*-* | c54x*-*-*)
 405                             fmt=coff bfd_gas=yes need_libm=yes;;
 406       tic80-*-*)            fmt=coff ;;
 407
 408       v850-*-*)             fmt=elf bfd_gas=yes ;;
 409       v850e-*-*)            fmt=elf bfd_gas=yes ;;
 410       v850ea-*-*)           fmt=elf bfd_gas=yes ;;
 411
 412       vax-*-bsd* | vax-*-ultrix*)
 413                             fmt=aout ;;
 414       vax-*-vms)            fmt=vms ;;
 415
 416
 417       z8k-*-coff | z8k-*-sim)
 418                             fmt=coff ;;
 419
 420       w65-*-*)              fmt=coff ;;
 421
 422       *-*-aout | *-*-scout)
 423                             fmt=aout ;;
 424       *-*-nindy*)
 425                             fmt=bout ;;
 426       *-*-bsd*)
 427                             fmt=aout em=sun3 ;;
 428       *-*-generic)          fmt=generic ;;
 429       *-*-xray | *-*-hms)   fmt=coff ;;
 430       *-*-sim)              fmt=coff ;;
 431       *-*-elf | *-*-sysv4* | *-*-solaris*)
 432                             AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
 433                             fmt=elf dev=yes ;;
 434       *-*-vxworks)          fmt=aout ;;
 435       *-*-netware)          fmt=elf ;;
 436     esac
 437
 438     if test ${this_target} = $target ; then
 439       endian_def=
 440       if test x${endian} = xbig; then
 441         endian_def=1
 442       elif test x${endian} = xlittle; then
 443         endian_def=0
 444       fi
 445       if test x${endian_def} != x; then
 446         AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
 447                            [Define as 1 if big endian.])
 448       fi
 449     fi
 450
 451     case ${cpu_type}-${fmt} in
 452       alpha*-*) bfd_gas=yes ;;
 453       arm-*)    bfd_gas=yes ;;
 454     # not yet
 455     # i386-aout)        bfd_gas=preferred ;;
 456       ia64*-*)  bfd_gas=yes ;;
 457       mips-*)   bfd_gas=yes ;;
 458       ns32k-*)  bfd_gas=yes ;;
 459       ppc-*)    bfd_gas=yes ;;
 460       sparc-*)  bfd_gas=yes ;;
 461       strongarm-*)      bfd_gas=yes ;;
 462       *-elf)    bfd_gas=yes ;;
 463       *-ecoff)  bfd_gas=yes ;;
 464       *-som)    bfd_gas=yes ;;
 465     #enable bfd for coff and aout to allow testing if a bfd target is
 466     #the primary target, but not for coff or aout as the primary target
 467       i386-coff)        if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
 468       i386-aout)        if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
 469       *)                ;;
 470     esac
 471
 472 # Other random stuff.
 473
 474     # Do we need the opcodes library?
 475     case ${cpu_type} in
 476       vax | i386 | tic30)
 477         ;;
 478
 479       *)
 480         need_opcodes=yes
 481
 482         case "${enable_shared}" in
 483         yes) shared_opcodes=true ;;
 484         *opcodes*) shared_opcodes=true ;;
 485         *) shared_opcodes=false ;;
 486         esac
 487         if test "${shared_opcodes}" = "true"; then
 488           # A shared libopcodes must be linked against libbfd.
 489           need_bfd=yes
 490         fi
 491         ;;
 492     esac
 493
 494     # Any other special object files needed ?
 495     case ${cpu_type} in
 496       fr30 | m32r)
 497         using_cgen=yes
 498         ;;
 499
 500       m68k)
 501         case ${extra_objects} in
 502         *m68k-parse.o*) ;;
 503         *) extra_objects="$extra_objects m68k-parse.o" ;;
 504         esac
 505         ;;
 506
 507       mips)
 508         echo ${extra_objects} | grep -s "itbl-parse.o"
 509         if test $? -ne 0 ; then
 510           extra_objects="$extra_objects itbl-parse.o"
 511         fi
 512
 513         echo ${extra_objects} | grep -s "itbl-lex.o"
 514         if test $? -ne 0 ; then
 515           extra_objects="$extra_objects itbl-lex.o"
 516         fi
 517
 518         echo ${extra_objects} | grep -s "itbl-ops.o"
 519         if test $? -ne 0 ; then
 520           extra_objects="$extra_objects itbl-ops.o"
 521         fi
 522         ;;
 523
 524       sparc)
 525         if test $this_target = $target ; then
 526           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 527         fi
 528         ;;
 529       *)
 530         ;;
 531     esac
 532
 533     if test $using_cgen = yes ; then
 534         case "x${extra_objects}" in
 535         *cgen.o*) ;;
 536         *) extra_objects="$extra_objects cgen.o" ;;
 537         esac
 538     fi
 539
 540 # See if we really can support this configuration with the emulation code.
 541
 542     if test $this_target = $target ; then
 543       primary_bfd_gas=$bfd_gas
 544       obj_format=$fmt
 545       te_file=$em
 546
 547       if test $bfd_gas = no ; then
 548         # Can't support other configurations this way.
 549         break
 550       fi
 551     elif test $bfd_gas = no ; then
 552       # Can't support this configuration.
 553       break
 554     fi
 555
 556 # From target name and format, produce a list of supported emulations.
 557
 558     case ${generic_target}-${fmt} in
 559       mips-*-irix5*-*)  emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
 560       mips-*-linux-gnu*-*) case "$endian" in
 561                         big)    emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
 562                         *)      emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
 563                         esac ;;
 564       mips-*-lnews*-ecoff) ;;
 565       mips-*-*-ecoff)   case "$endian" in
 566                         big)    emulation="mipsbecoff mipslecoff mipsecoff" ;;
 567                         *)      emulation="mipslecoff mipsbecoff mipsecoff" ;;
 568                         esac ;;
 569       mips-*-*-elf)     case "$endian" in
 570                         big)    emulation="mipsbelf mipslelf mipself" ;;
 571                         *)      emulation="mipslelf mipsbelf mipself" ;;
 572                         esac ;;
 573       mips-*-sysv4*MP*-*) if test -d /usr/dde; then
 574                                 emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff"
 575                         fi
 576                         ;;
 577       # i386-pc-pe-coff != i386-pc-coff.
 578       i386-*-pe-coff)   ;;
 579       # Uncommenting the next line will turn on support for i386 AOUT
 580       # for the default linux configuration
 581       # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
 582       #
 583       i386-*-aout)      emulation="i386aout" ;;
 584       i386-*-coff)      emulation="i386coff" ;;
 585       i386-*-elf)       emulation="i386elf" ;;
 586     esac
 587
 588     emulations="$emulations $emulation"
 589
 590 done
 591
 592 # Turn on all targets if possible
 593 if test ${all_targets} = "yes"; then
 594   case ${target_cpu_type} in
 595   i386)
 596     case ${obj_format} in
 597     aout)
 598       emulations="$emulations i386coff i386elf"
 599       ;;
 600     coff)
 601       emulations="$emulations i386aout i386elf"
 602     ;;
 603     elf)
 604       emulations="$emulations i386aout i386coff"
 605       ;;
 606     esac
 607   ;;
 608   esac
 609 fi
 610
 611 # Assign floating point type.  Most processors with FP support
 612 # IEEE FP.  On those that don't support FP at all, usually IEEE
 613 # is emulated.
 614 case ${target_cpu} in
 615   vax | tahoe ) atof=${target_cpu} ;;
 616   *)            atof=ieee ;;
 617 esac
 618
 619 case "${obj_format}" in
 620   "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
 621 esac
 622
 623 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
 624 cgen_cpu_prefix=""
 625 if test $using_cgen = yes ; then
 626   case ${target_cpu} in
 627     *) cgen_cpu_prefix=${target_cpu} ;;
 628   esac
 629   AC_SUBST(cgen_cpu_prefix)
 630   AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
 631 fi
 632
 633 dnl
 634 dnl Make sure the desired support files exist.
 635 dnl
 636
 637 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
 638   AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
 639 fi
 640
 641 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
 642   AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
 643 fi
 644
 645 case ${user_bfd_gas}-${primary_bfd_gas} in
 646   yes-yes | no-no)
 647     # We didn't override user's choice.
 648     ;;
 649   no-yes)
 650     AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
 651     ;;
 652   no-preferred)
 653     primary_bfd_gas=no
 654     ;;
 655   *-preferred)
 656     primary_bfd_gas=yes
 657     ;;
 658   yes-*)
 659     primary_bfd_gas=yes
 660     ;;
 661   -*)
 662     # User specified nothing.
 663     ;;
 664 esac
 665
 666 # Some COFF configurations want these random other flags set.
 667 case ${obj_format} in
 668   coff)
 669     case ${target_cpu_type} in
 670       i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
 671       m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
 672       m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
 673     esac
 674     ;;
 675 esac
 676
 677 # Getting this done right is going to be a bitch.  Each configuration specified
 678 # with --enable-targets=... should be checked for environment, format, cpu, and
 679 # bfd_gas setting.
 680 #
 681 # For each configuration, the necessary object file support code must be linked
 682 # in.  This might be only one, it might be up to four.  The necessary emulation
 683 # code needs to be provided, too.
 684 #
 685 # And then there's "--enable-targets=all"....
 686 #
 687 # For now, just always do it for MIPS ELF or ECOFF configurations.  Sigh.
 688
 689 formats="${obj_format}"
 690 emfiles=""
 691 EMULATIONS=""
 692 GAS_UNIQ(emulations)
 693 for em in . $emulations ; do
 694   case $em in
 695     .)  continue ;;
 696     mipsbelf | mipslelf)
 697         fmt=elf   file=mipself ;;
 698     mipsbecoff | mipslecoff)
 699         fmt=ecoff file=mipsecoff ;;
 700     *coff)
 701         fmt=coff  file=$em ;;
 702     *aout)
 703         fmt=aout file=$em ;;
 704     *elf)
 705         fmt=elf file=$em ;;
 706   esac
 707   formats="$formats $fmt"
 708   emfiles="$emfiles e-$file.o"
 709   EMULATIONS="$EMULATIONS &$em,"
 710 done
 711 GAS_UNIQ(formats)
 712 GAS_UNIQ(emfiles)
 713 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
 714   for fmt in $formats ; do
 715     case $fmt in
 716       aout)     AC_DEFINE(OBJ_MAYBE_AOUT, 1,    [a.out support?])   ;;
 717       bout)     AC_DEFINE(OBJ_MAYBE_BOUT, 1,    [b.out support?])   ;;
 718       coff)     AC_DEFINE(OBJ_MAYBE_COFF, 1,    [COFF support?])    ;;
 719       ecoff)    AC_DEFINE(OBJ_MAYBE_ECOFF, 1,   [ECOFF support?])   ;;
 720       elf)      AC_DEFINE(OBJ_MAYBE_ELF, 1,     [ELF support?])     ;;
 721       generic)  AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
 722       hp300)    AC_DEFINE(OBJ_MAYBE_HP300, 1,   [HP300 support?])   ;;
 723       ieee)     AC_DEFINE(OBJ_MAYBE_IEEE, 1,    [IEEE support?])    ;;
 724       som)      AC_DEFINE(OBJ_MAYBE_SOM, 1,     [SOM support?])     ;;
 725       vms)      AC_DEFINE(OBJ_MAYBE_VMS, 1,     [VMS support?])     ;;
 726     esac
 727     extra_objects="$extra_objects obj-$fmt.o"
 728   done
 729   obj_format=multi
 730 fi
 731 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
 732   DEFAULT_EMULATION=`set . $emulations ; echo $2`
 733   # e-mips* has more than one emulation per file, e-i386* has just one at the
 734   # moment.  If only one emulation is specified, then don't define
 735   # USE_EMULATIONS or include any of the e-files as they will only be bloat.
 736   case "${obj_format}${emfiles}" in
 737     multi* | *mips*)
 738   # if te_file is tmips, that means the target is mips-*-sysv4*MP* and we do
 739   # not set it to multi.
 740       if [[ $te_file -ne "tmips" ]]; then
 741         te_file=multi
 742       fi
 743       extra_objects="$extra_objects $emfiles"
 744       AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
 745   esac
 746 fi
 747 AC_SUBST(extra_objects)
 748 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
 749 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
 750                    [Default emulation.])
 751
 752 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
 753   yes-*-coff)   need_bfd=yes ;;
 754   no-*-coff)    need_bfd=yes
 755                 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
 756 esac
 757
 758 reject_dev_configs=yes
 759
 760 case ${reject_dev_configs}-${dev} in
 761   yes-yes) # Oops.
 762     AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
 763     ;;
 764 esac
 765
 766 AC_SUBST(target_cpu_type)
 767 AC_SUBST(obj_format)
 768 AC_SUBST(te_file)
 769 AC_SUBST(install_tooldir)
 770 AC_SUBST(atof)
 771 dnl AC_SUBST(emulation)
 772
 773 case "${primary_bfd_gas}" in
 774   yes)  AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
 775         need_bfd=yes ;;
 776 esac
 777
 778 # do we need the opcodes library?
 779 case "${need_opcodes}" in
 780 yes)
 781   OPCODES_LIB=../opcodes/libopcodes.la
 782   ;;
 783 esac
 784
 785 case "${need_bfd}" in
 786 yes)
 787   BFDLIB=../bfd/libbfd.la
 788   ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
 789   ;;
 790 esac
 791
 792 AC_SUBST(BFDLIB)
 793 AC_SUBST(OPCODES_LIB)
 794
 795 AC_SUBST(ALL_OBJ_DEPS)
 796
 797 AC_DEFINE_UNQUOTED(TARGET_ALIAS,        "${target_alias}", [Target alias.])
 798 AC_DEFINE_UNQUOTED(TARGET_CANONICAL,    "${target}",       [Canonical target.])
 799 AC_DEFINE_UNQUOTED(TARGET_CPU,          "${target_cpu}",   [Target CPU.])
 800 AC_DEFINE_UNQUOTED(TARGET_VENDOR,       "${target_vendor}", [Target vendor.])
 801 AC_DEFINE_UNQUOTED(TARGET_OS,           "${target_os}",    [Target OS.])
 802
 803 AC_PROG_CC
 804
 805 AC_PROG_YACC
 806 AM_PROG_LEX
 807
 808 ALL_LINGUAS=
 809 CY_GNU_GETTEXT
 810
 811 AM_MAINTAINER_MODE
 812 AC_EXEEXT
 813
 814 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
 815
 816 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
 817 # people who are not cross-compiling but are compiling cross-assemblers.
 818 AC_MSG_CHECKING(whether compiling a cross-assembler)
 819 if test "${host}" = "${target}"; then
 820   cross_gas=no
 821 else
 822   cross_gas=yes
 823   AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
 824 fi
 825 AC_MSG_RESULT($cross_gas)
 826
 827 dnl ansidecl.h will deal with const
 828 dnl AC_CONST
 829 AC_FUNC_ALLOCA
 830 AC_C_INLINE
 831
 832 # VMS doesn't have unlink.
 833 AC_CHECK_FUNCS(unlink remove, break)
 834
 835 # Some systems don't have sbrk().
 836 AC_CHECK_FUNCS(sbrk)
 837
 838 # do we need the math library?
 839 case "${need_libm}" in
 840 yes)
 841   AC_CHECK_LIBM
 842   AC_SUBST(LIBM)
 843   ;;
 844 esac
 845
 846 # Some non-ANSI preprocessors botch requoting inside strings.  That's bad
 847 # enough, but on some of those systems, the assert macro relies on requoting
 848 # working properly!
 849 GAS_WORKING_ASSERT
 850
 851 # On some systems, the system header files may not declare malloc, realloc,
 852 # and free.  There are places where gas needs these functions to have been
 853 # declared -- such as when taking their addresses.
 854 gas_test_headers="
 855 #ifdef HAVE_MEMORY_H
 856 #include <memory.h>
 857 #endif
 858 #ifdef HAVE_STRING_H
 859 #include <string.h>
 860 #else
 861 #ifdef HAVE_STRINGS_H
 862 #include <strings.h>
 863 #endif
 864 #endif
 865 #ifdef HAVE_STDLIB_H
 866 #include <stdlib.h>
 867 #endif
 868 #ifdef HAVE_UNISTD_H
 869 #include <unistd.h>
 870 #endif
 871 "
 872 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
 873 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
 874 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
 875 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
 876 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
 877
 878 # Does errno.h declare errno, or do we have to add a separate declaration
 879 # for it?
 880 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
 881 #ifdef HAVE_ERRNO_H
 882 #include <errno.h>
 883 #endif
 884 ])
 885
 886 dnl This must come last.
 887
 888 dnl We used to make symlinks to files in the source directory, but now
 889 dnl we just use the right name for .c files, and create .h files in
 890 dnl the build directory which include the right .h file.  Make sure
 891 dnl the old symlinks don't exist, so that a reconfigure in an existing
 892 dnl directory behaves reasonably.
 893
 894 AC_OUTPUT(Makefile doc/Makefile ${GDBINIT}:gdbinit.in po/Makefile.in:po/Make-in,
 895 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
 896  echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
 897  echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
 898  echo '#include "te-'"${te_file}"'.h"' > targ-env.h
 899  echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
 900  if test "x$cgen_cpu_prefix" != x ; then
 901    echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
 902  fi
 903
 904  sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
 905 [target_cpu_type=${target_cpu_type}
 906  cgen_cpu_prefix=${cgen_cpu_prefix}
 907  obj_format=${obj_format}
 908  te_file=${te_file}])