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 AC_ISC_POSIX
  13
  14 AM_INIT_AUTOMAKE(gas, 2.10.91)
  15
  16 AM_PROG_LIBTOOL
  17
  18 user_bfd_gas=
  19 AC_ARG_ENABLE(bfd-assembler,
  20 [  --enable-bfd-assembler  use BFD back end for writing object files],
  21 [case "${enableval}" in
  22   yes) need_bfd=yes user_bfd_gas=yes ;;
  23   no)  user_bfd_gas=no ;;
  24   *)   AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
  25 esac])dnl
  26 AC_ARG_ENABLE(targets,
  27 [    targets            alternative target configurations besides the primary],
  28 [case "${enableval}" in
  29   yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
  30             ;;
  31   no)       enable_targets= ;;
  32   *)        enable_targets=$enableval ;;
  33 esac])dnl
  34 AC_ARG_ENABLE(commonbfdlib,
  35 [  --enable-commonbfdlib   build shared BFD/opcodes/libiberty library],
  36 [case "${enableval}" in
  37   yes) commonbfdlib=true ;;
  38   no)  commonbfdlib=false ;;
  39   *)   AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
  40 esac])dnl
  41
  42 using_cgen=no
  43
  44 build_warnings="-W -Wall"
  45 AC_ARG_ENABLE(build-warnings,
  46 [  --enable-build-warnings Enable build-time compiler warnings if gcc is used],
  47 [case "${enableval}" in
  48   yes)  ;;
  49   no)   build_warnings="-w";;
  50   ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
  51         build_warnings="${build_warnings} ${t}";;
  52   *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
  53         build_warnings="${t} ${build_warnings}";;
  54   *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
  55 esac
  56 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
  57   echo "Setting warning flags = $build_warnings" 6>&1
  58 fi])dnl
  59 WARN_CFLAGS=""
  60 if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
  61     WARN_CFLAGS="${build_warnings}"
  62 fi
  63 AC_SUBST(WARN_CFLAGS)
  64
  65 # Generate a header file
  66 AM_CONFIG_HEADER(config.h:config.in)
  67
  68 # If we are on a DOS filesystem, we must use gdb.ini rather than
  69 # .gdbinit.
  70 GDBINIT=".gdbinit"
  71 case "${host}" in
  72   *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-cygwin* | *-*-windows*)
  73     GDBINIT="gdb.ini"
  74     ;;
  75 esac
  76 AC_SUBST(GDBINIT)
  77
  78 te_file=generic
  79
  80 # Makefile target for installing gas in $(tooldir)/bin.
  81 install_tooldir=install-exec-tooldir
  82
  83 canon_targets=""
  84 all_targets=no
  85 if test -n "$enable_targets" ; then
  86   for t in `echo $enable_targets | sed 's/,/ /g'`; do
  87     if test $t = "all"; then
  88       all_targets=yes
  89       continue
  90     fi
  91     result=`$ac_config_sub $t 2>/dev/null`
  92     if test -n "$result" ; then
  93       canon_targets="$canon_targets $result"
  94 #    else
  95 #      # Permit "all", etc.  We don't support it yet though.
  96 #      canon_targets="$canon_targets $t"
  97     fi
  98   done
  99   GAS_UNIQ(canon_targets)
 100 fi
 101
 102 emulations=""
 103
 104 for this_target in $target $canon_targets ; do
 105
 106 changequote(,)dnl
 107     eval `echo $this_target | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/cpu=\1 vendor=\2 os=\3/'`
 108 changequote([,])dnl
 109
 110     # check for architecture variants
 111     arch=
 112     endian=
 113     case ${cpu} in
 114       alpha*)           cpu_type=alpha ;;
 115       armeb)            cpu_type=arm endian=big ;;
 116       arm*)             cpu_type=arm endian=little ;;
 117       armb*)            cpu_type=arm endian=little ;;
 118       armv*l)           cpu_type=arm endian=little ;;
 119       armv*b)           cpu_type=arm endian=big ;;
 120       xscale*)          cpu_type=arm endian=little ;;
 121       strongarm*)       cpu_type=arm endian=little ;;
 122       thumb*)           cpu_type=arm endian=little ;;
 123       hppa*)            cpu_type=hppa ;;
 124 changequote(,)dnl
 125       i[456]86)         cpu_type=i386 arch=i386;;
 126       x86_64)           cpu_type=i386 arch=x86_64;;
 127       ia64)             cpu_type=ia64 ;;
 128       m6811|m6812|m68hc12) cpu_type=m68hc11 ;;
 129       m680[012346]0)    cpu_type=m68k ;;
 130 changequote([,])dnl
 131       m68008)           cpu_type=m68k ;;
 132       m683??)           cpu_type=m68k ;;
 133       m5200)            cpu_type=m68k ;;
 134       m8*)              cpu_type=m88k ;;
 135       mips*el)          cpu_type=mips endian=little ;;
 136       mips*)            cpu_type=mips endian=big ;;
 137       pjl*)             cpu_type=pj endian=little ;;
 138       pj*)              cpu_type=pj endian=big ;;
 139       powerpcle*)       cpu_type=ppc endian=little ;;
 140       powerpc*)         cpu_type=ppc endian=big ;;
 141       rs6000*)          cpu_type=ppc ;;
 142       sparclite*)       cpu_type=sparc arch=sparclite ;;
 143       sparclet*)        cpu_type=sparc arch=sparclet ;;
 144       sparc64*)         cpu_type=sparc arch=v9-64 ;;
 145       sparc86x*)        cpu_type=sparc arch=sparc86x  ;;
 146       sparc*)           cpu_type=sparc arch=sparclite ;; # ??? See tc-sparc.c.
 147       v850*)            cpu_type=v850 ;;
 148       *)                cpu_type=${cpu} ;;
 149     esac
 150
 151     if test ${this_target} = $target ; then
 152       target_cpu_type=${cpu_type}
 153     elif test ${target_cpu_type} != ${cpu_type} ; then
 154       continue
 155     fi
 156
 157     generic_target=${cpu_type}-$vendor-$os
 158     dev=no
 159     bfd_gas=no
 160     em=generic
 161
 162     # assign object format
 163     case ${generic_target} in
 164       a29k-*-coff)          fmt=coff ;;
 165       a29k-amd-udi)         fmt=coff ;;
 166       a29k-amd-ebmon)       fmt=coff ;;
 167       a29k-nyu-sym1)        fmt=coff ;;
 168       a29k-*-rtems*)        fmt=coff ;;
 169       a29k-*-vxworks*)      fmt=coff ;;
 170
 171       alpha*-*-*vms*)       fmt=evax ;;
 172       alpha*-*-netware*)    fmt=ecoff ;;
 173       alpha*-*-openbsd*)    fmt=ecoff ;;
 174       alpha*-*-osf*)        fmt=ecoff ;;
 175       alpha*-*-linuxecoff*) fmt=ecoff ;;
 176       alpha*-*-linux-gnu*)  fmt=elf em=linux ;;
 177       alpha*-*-netbsd*)     fmt=elf em=nbsd ;;
 178
 179       arc-*-elf*)           fmt=elf bfd_gas=yes ;;
 180
 181       arm-*-aout)                       fmt=aout ;;
 182       arm-*-coff | thumb-*-coff)        fmt=coff ;;
 183       arm-*-rtems | thumb-*-rtems)      fmt=elf ;;
 184       arm-*-elf | thumb-*-elf)          fmt=elf ;;
 185       arm*-*-conix*)                    fmt=elf ;;
 186       arm-*-linux*aout*)                fmt=aout em=linux ;;
 187       arm*-*-linux-gnu* | arm*-*-uclinux*)
 188                                         fmt=elf  em=linux ;;
 189       arm-*-netbsd*)                    fmt=aout em=nbsd ;;
 190       arm-*-oabi | thumb-*-oabi)        fmt=elf ;;
 191       arm-epoc-pe | thumb-epoc-pe)      fmt=coff em=epoc-pe ;;
 192       arm-*-wince)                      fmt=coff em=wince-pe ;;
 193       arm-*-pe | thumb-*-pe)            fmt=coff em=pe ;;
 194       arm-*-riscix*)                    fmt=aout em=riscix ;;
 195
 196       avr-*-*)              fmt=elf bfd_gas=yes ;;
 197
 198       cris-*-*)             fmt=multi bfd_gas=yes ;;
 199
 200       d10v-*-*)             fmt=elf bfd_gas=yes ;;
 201       d30v-*-*)             fmt=elf bfd_gas=yes ;;
 202
 203
 204       fr30-*-*)             fmt=elf bfd_gas=yes ;;
 205
 206       hppa-*-linux-gnu*)    case ${cpu} in
 207                                 hppa*64*)
 208                                         fmt=elf em=hppalinux64;;
 209                                 hppa*)
 210                                         fmt=elf em=linux;;
 211                             esac ;;
 212       hppa-*-*elf*)         fmt=elf em=hppa ;;
 213       hppa-*-lites*)        fmt=elf em=hppa ;;
 214       hppa-*-osf*)          fmt=som em=hppa ;;
 215       hppa-*-rtems*)        fmt=elf em=hppa ;;
 216       hppa-*-hpux11*)       case ${cpu} in
 217                                 hppa*64*)
 218                                         fmt=elf em=hppa64 ;;
 219                                 hppa*)
 220                                         fmt=som em=hppa ;;
 221                             esac ;;
 222       hppa-*-hpux*)         fmt=som em=hppa ;;
 223       hppa-*-mpeix*)        fmt=som em=hppa ;;
 224       hppa-*-bsd*)          fmt=som em=hppa ;;
 225       hppa-*-hiux*)         fmt=som em=hppa ;;
 226
 227       h8300-*-rtems*)       fmt=coff ;;
 228       h8300-*-coff)         fmt=coff ;;
 229
 230       i370-*-elf* | i370-*-linux*) fmt=elf ;;
 231       i386-ibm-aix*)        fmt=coff em=i386aix ;;
 232       i386-sequent-bsd*)    fmt=aout em=dynix bfd_gas=yes ;;
 233       i386-*-beospe*)       fmt=coff em=pe bfd_gas=yes ;;
 234       i386-*-beoself* | i386-*-beos*) fmt=elf bfd_gas=yes ;;
 235       i386-*-bsd*)          fmt=aout em=386bsd ;;
 236       i386-*-netbsd0.8)     fmt=aout em=386bsd ;;
 237       i386-*-netbsd*)       fmt=aout em=nbsd bfd_gas=yes;;
 238       i386-*-openbsd*)      fmt=aout em=nbsd bfd_gas=yes;;
 239       i386-*-linux*aout* | i386-*-linuxoldld)   fmt=aout em=linux ;;
 240       i386-*-linux*coff*)   fmt=coff em=linux ;;
 241       i386-*-linux-gnu*)    fmt=elf em=linux bfd_gas=yes ;;
 242       x86_64-*-linux-gnu*)  fmt=elf em=linux bfd_gas=yes ;;
 243       i386-*-lynxos*)       fmt=coff em=lynx ;;
 244 changequote(,)dnl
 245       i386-*-sysv[45]* | i386-*-solaris* | i386-*-elf)
 246                             fmt=elf bfd_gas=yes ;;
 247       i386-*-freebsdaout* | i386-*-freebsd[12].* | i386-*-freebsd[12])
 248                             fmt=aout em=386bsd ;;
 249 changequote([,])dnl
 250       i386-*-freebsd*)      fmt=elf bfd_gas=yes ;;
 251       i386-*-coff | i386-*-sysv* | i386-*-sco3.2v5*coff | i386-*-isc*)
 252                           fmt=coff ;;
 253       i386-*-sco3.2v5*)      fmt=elf
 254                             if test ${this_target} = $target; then
 255                                 AC_DEFINE(SCO_ELF, 1,
 256                                     [Define if defaulting to ELF on SCO 5.])
 257                             fi
 258                             ;;
 259       i386-*-sco3.2*)       fmt=coff ;;
 260       i386-*-vsta)          fmt=aout ;;
 261       i386-*-msdosdjgpp* | i386-*-go32* | i386-go32-rtems*)
 262                             fmt=coff em=go32 bfd_gas=yes
 263                             AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
 264                             ;;
 265       i386-*-rtemself*)     fmt=elf ;;
 266       i386-*-rtems*)        fmt=coff ;;
 267       i386-*-gnu*)          fmt=elf ;;
 268       i386-*-mach*)
 269                             fmt=aout em=mach bfd_gas=yes ;;
 270       i386-*-msdos*)        fmt=aout ;;
 271       i386-*-moss*)         fmt=elf ;;
 272       i386-*-pe)            fmt=coff em=pe bfd_gas=yes ;;
 273       i386-*-cygwin*)       fmt=coff em=pe bfd_gas=yes ;;
 274       i386-*-interix*)      fmt=coff em=interix bfd_gas=yes ;;
 275       i386-*-mingw32*)      fmt=coff em=pe bfd_gas=yes ;;
 276       i386-*-*nt*)          fmt=coff em=pe bfd_gas=yes ;;
 277       i386-*-vxworks*)      fmt=aout ;;
 278       i386-*-chaos)         fmt=elf ;;
 279       i860-stardent-sysv4* | i860-stardent-elf*)
 280                             fmt=elf bfd_gas=yes endian=little
 281                             AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress) ;;
 282       i960-*-bout)          fmt=bout ;;
 283       i960-*-coff)          fmt=coff em=ic960 ;;
 284       i960-*-rtems*)        fmt=coff em=ic960 ;;
 285       i960-*-nindy*)        fmt=bout ;;
 286       i960-*-vxworks4*)     fmt=bout ;;
 287       i960-*-vxworks5.0)    fmt=bout ;;
 288       i960-*-vxworks5.*)    fmt=coff em=ic960 ;;
 289       i960-*-vxworks*)      fmt=bout ;;
 290       i960-*-elf*)          fmt=elf ;;
 291
 292       ia64-*-elf*)          fmt=elf ;;
 293       ia64-*-linux-gnu*)    fmt=elf em=linux ;;
 294       ia64-*-hpux*)         fmt=elf em=hpux ;;
 295
 296       m32r-*-*)             fmt=elf bfd_gas=yes ;;
 297
 298       m68hc11-*-*|m6811-*-*|m68hc12-*-*|m6812-*-*)fmt=elf bfd_gas=yes ;;
 299
 300       m68k-*-vxworks* | m68k-ericsson-ose | m68k-*-sunos*)
 301                             fmt=aout em=sun3 ;;
 302       m68k-motorola-sysv*)  fmt=coff em=delta ;;
 303       m68k-bull-sysv3*)     fmt=coff em=dpx2 ;;
 304       m68k-apollo-*)        fmt=coff em=apollo ;;
 305       m68k-*-sysv4*) # must be before -sysv*
 306                             fmt=elf em=svr4 ;;
 307       m68k-*-elf*)          fmt=elf ;;
 308       m68k-*-coff | m68k-*-sysv* | m68k-*-rtems*)
 309                             fmt=coff ;;
 310       m68k-*-hpux*)         fmt=hp300 em=hp300 ;;
 311       m68k-*-linux*aout*)   fmt=aout em=linux ;;
 312       m68k-*-linux-gnu*)    fmt=elf em=linux ;;
 313       m68k-*-gnu*)          fmt=elf ;;
 314       m68k-*-lynxos*)       fmt=coff em=lynx ;;
 315       m68k-*-netbsd*)       fmt=aout em=nbsd bfd_gas=yes ;;
 316       m68k-*-openbsd*)      fmt=aout em=nbsd bfd_gas=yes ;;
 317       m68k-apple-aux*)      fmt=coff em=aux ;;
 318       m68k-*-psos*)         fmt=elf em=psos;;
 319
 320       m88k-motorola-sysv3*) fmt=coff em=delt88 ;;
 321       m88k-*-coff*)         fmt=coff ;;
 322
 323       mcore-*-elf)          fmt=elf bfd_gas=yes ;;
 324       mcore-*-pe)           fmt=coff em=pe bfd_gas=yes ;;
 325
 326       # don't change em like *-*-bsd does
 327       mips-dec-netbsd*)     fmt=elf endian=little ;;
 328       mips-dec-openbsd*)    fmt=elf endian=little ;;
 329       mips-dec-bsd*)        fmt=aout endian=little ;;
 330       mips-sony-bsd*)       fmt=ecoff ;;
 331       mips-*-bsd*)          AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.) ;;
 332       mips-*-ultrix*)       fmt=ecoff endian=little ;;
 333       mips-*-osf*)          fmt=ecoff endian=little ;;
 334       mips-*-ecoff*)        fmt=ecoff ;;
 335       mips-*-ecoff*)        fmt=ecoff ;;
 336       mips-*-pe*)           fmt=coff endian=little em=pe ;;
 337       mips-*-irix6*)        fmt=elf ;;
 338       mips-*-irix5*)        fmt=elf ;;
 339       mips-*-irix*)         fmt=ecoff ;;
 340       mips-*-lnews*)        fmt=ecoff em=lnews ;;
 341       mips-*-riscos*)       fmt=ecoff ;;
 342       mips-*-sysv4*MP*)     fmt=elf em=tmips ;;
 343       mips-*-sysv*)         fmt=ecoff ;;
 344       mips-*-elf* | mips-*-rtems* | mips-*-linux-gnu* | mips-*-gnu* | mips-*-openbsd*)
 345                             fmt=elf ;;
 346       mips-*-vxworks*)      fmt=elf
 347                             AC_DEFINE(MIPS_STABS_ELF, 1,
 348                                 [Use ELF stabs for MIPS, not ECOFF stabs])
 349                             ;;
 350       mn10200-*-*)          fmt=elf bfd_gas=yes ;;
 351       mn10300-*-*)          fmt=elf bfd_gas=yes ;;
 352       pj*)                  fmt=elf ;;
 353       ppc-*-pe | ppc-*-cygwin* | ppc-*-winnt*)
 354                             fmt=coff em=pe ;;
 355       ppc-*-aix*)           fmt=coff ;;
 356       ppc-*-beos*)          fmt=coff ;;
 357       ppc-*-*bsd* | ppc-*-elf* | ppc-*-eabi* | ppc-*-sysv4*)
 358                             fmt=elf ;;
 359       ppc-*-linux-gnu*)     fmt=elf
 360                             case "$endian" in
 361                             big)  ;;
 362                             *)    AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
 363                             esac
 364                             ;;
 365       ppc-*-solaris*)       fmt=elf
 366                             if test ${this_target} = $target; then
 367                                 AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
 368                                 [Define if default target is PowerPC Solaris.])
 369                             fi
 370                             if test x${endian} = xbig; then
 371                                 AC_MSG_ERROR(Solaris must be configured little endian)
 372                             fi
 373                             ;;
 374       ppc-*-rtems*)         fmt=elf ;;
 375       ppc-*-macos* | ppc-*-mpw*)
 376                             fmt=coff em=macos ;;
 377       ppc-*-netware*)       fmt=elf em=ppcnw ;;
 378       ppc-*-vxworks*)       fmt=elf ;;
 379
 380       sh-*-linux*)          fmt=elf em=linux ;;
 381       sh-*-elf*)            fmt=elf ;;
 382       sh-*-coff*)           fmt=coff ;;
 383       sh-*-pe*)             fmt=coff em=pe bfd_gas=yes;;
 384       sh-*-rtemself*)       fmt=elf ;;
 385       sh-*-rtems*)          fmt=coff ;;
 386
 387       ns32k-pc532-mach* | ns32k-pc532-ux*)    fmt=aout em=pc532mach ;;
 388       ns32k-pc532-netbsd* | ns32k-pc532-lites*)  fmt=aout em=nbsd532 ;;
 389       ns32k-pc532-openbsd*) fmt=aout em=nbsd532 ;;
 390
 391       sparc-*-rtemsaout*)   fmt=aout ;;
 392       sparc-*-rtemself*)    fmt=elf ;;
 393       sparc-*-rtems*)       fmt=elf ;;
 394       sparc-*-sunos4*)      fmt=aout em=sun3 ;;
 395       sparc-*-aout | sparc*-*-vxworks*)
 396                             fmt=aout em=sparcaout ;;
 397       sparc-*-coff)         fmt=coff ;;
 398       sparc-*-linux*aout*)  fmt=aout em=linux ;;
 399       sparc-*-linux-gnu*)   fmt=elf em=linux ;;
 400       sparc-*-lynxos*)      fmt=coff em=lynx ;;
 401       sparc-fujitsu-none)   fmt=aout ;;
 402       sparc-*-elf | sparc-*-sysv4* | sparc-*-solaris*)
 403                             fmt=elf ;;
 404       sparc-*-netbsd*)      em=nbsd bfd_gas=yes
 405                             case ${cpu} in
 406                                 sparc) case ${os} in
 407                                            *elf*) fmt=elf ;;
 408                                            *)     fmt=aout ;;
 409                                        esac ;;
 410                                 sparc64) fmt=elf ;;
 411                             esac
 412                             ;;
 413       sparc-*-openbsd*)     fmt=aout em=nbsd ;;
 414
 415       strongarm-*-coff)     fmt=coff ;;
 416       strongarm-*-elf)      fmt=elf ;;
 417       xscale-*-coff)     fmt=coff ;;
 418       xscale-*-elf)      fmt=elf ;;
 419
 420       tic30-*-*aout*)       fmt=aout bfd_gas=yes ;;
 421       tic30-*-*coff*)       fmt=coff bfd_gas=yes ;;
 422       tic54x-*-* | c54x*-*-*)
 423                             fmt=coff bfd_gas=yes need_libm=yes;;
 424       tic80-*-*)            fmt=coff ;;
 425
 426       v850-*-*)             fmt=elf bfd_gas=yes ;;
 427       v850e-*-*)            fmt=elf bfd_gas=yes ;;
 428       v850ea-*-*)           fmt=elf bfd_gas=yes ;;
 429
 430       vax-*-bsd* | vax-*-ultrix*)
 431                             fmt=aout ;;
 432       vax-*-vms)            fmt=vms ;;
 433
 434
 435       z8k-*-coff | z8k-*-sim)
 436                             fmt=coff ;;
 437
 438       w65-*-*)              fmt=coff ;;
 439
 440       *-*-aout | *-*-scout)
 441                             fmt=aout ;;
 442       *-*-nindy*)
 443                             fmt=bout ;;
 444       *-*-bsd*)
 445                             fmt=aout em=sun3 ;;
 446       *-*-generic)          fmt=generic ;;
 447       *-*-xray | *-*-hms)   fmt=coff ;;
 448       *-*-sim)              fmt=coff ;;
 449       *-*-elf | *-*-sysv4* | *-*-solaris*)
 450                             AC_MSG_WARN(GAS support for ${generic_target} is incomplete.)
 451                             fmt=elf dev=yes ;;
 452       *-*-vxworks)          fmt=aout ;;
 453       *-*-netware)          fmt=elf ;;
 454     esac
 455
 456     if test ${this_target} = $target ; then
 457       endian_def=
 458       if test x${endian} = xbig; then
 459         endian_def=1
 460       elif test x${endian} = xlittle; then
 461         endian_def=0
 462       fi
 463       if test x${endian_def} != x; then
 464         AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
 465                            [Define as 1 if big endian.])
 466       fi
 467     fi
 468
 469     case ${cpu_type}-${fmt} in
 470       alpha*-*) bfd_gas=yes ;;
 471       arm-*)    bfd_gas=yes ;;
 472     # not yet
 473     # i386-aout)        bfd_gas=preferred ;;
 474       ia64*-*)  bfd_gas=yes ;;
 475       mips-*)   bfd_gas=yes ;;
 476       ns32k-*)  bfd_gas=yes ;;
 477       ppc-*)    bfd_gas=yes ;;
 478       sparc-*)  bfd_gas=yes ;;
 479       strongarm-*)      bfd_gas=yes ;;
 480       xscale-*) bfd_gas=yes ;;
 481       *-elf)    bfd_gas=yes ;;
 482       *-ecoff)  bfd_gas=yes ;;
 483       *-som)    bfd_gas=yes ;;
 484     #enable bfd for coff and aout to allow testing if a bfd target is
 485     #the primary target, but not for coff or aout as the primary target
 486       i386-coff)        if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
 487       i386-aout)        if test x${primary_bfd_gas} = xyes; then bfd_gas=yes; fi ;;
 488       *)                ;;
 489     esac
 490
 491 # Other random stuff.
 492
 493     # Do we need the opcodes library?
 494     case ${cpu_type} in
 495       vax | i386 | tic30)
 496         ;;
 497
 498       *)
 499         need_opcodes=yes
 500
 501         case "${enable_shared}" in
 502         yes) shared_opcodes=true ;;
 503         *opcodes*) shared_opcodes=true ;;
 504         *) shared_opcodes=false ;;
 505         esac
 506         if test "${shared_opcodes}" = "true"; then
 507           # A shared libopcodes must be linked against libbfd.
 508           need_bfd=yes
 509         fi
 510         ;;
 511     esac
 512
 513     # Any other special object files needed ?
 514     case ${cpu_type} in
 515       fr30 | m32r)
 516         using_cgen=yes
 517         ;;
 518
 519       m68k)
 520         case ${extra_objects} in
 521         *m68k-parse.o*) ;;
 522         *) extra_objects="$extra_objects m68k-parse.o" ;;
 523         esac
 524         ;;
 525
 526       mips)
 527         echo ${extra_objects} | grep -s "itbl-parse.o"
 528         if test $? -ne 0 ; then
 529           extra_objects="$extra_objects itbl-parse.o"
 530         fi
 531
 532         echo ${extra_objects} | grep -s "itbl-lex.o"
 533         if test $? -ne 0 ; then
 534           extra_objects="$extra_objects itbl-lex.o"
 535         fi
 536
 537         echo ${extra_objects} | grep -s "itbl-ops.o"
 538         if test $? -ne 0 ; then
 539           extra_objects="$extra_objects itbl-ops.o"
 540         fi
 541         ;;
 542
 543       i386)
 544         if test $this_target = $target ; then
 545           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 546         fi
 547         ;;
 548       sparc)
 549         if test $this_target = $target ; then
 550           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 551         fi
 552         ;;
 553       *)
 554         ;;
 555     esac
 556
 557     if test $using_cgen = yes ; then
 558         case "x${extra_objects}" in
 559         *cgen.o*) ;;
 560         *) extra_objects="$extra_objects cgen.o" ;;
 561         esac
 562     fi
 563
 564 # See if we really can support this configuration with the emulation code.
 565
 566     if test $this_target = $target ; then
 567       primary_bfd_gas=$bfd_gas
 568       obj_format=$fmt
 569       te_file=$em
 570
 571       if test $bfd_gas = no ; then
 572         # Can't support other configurations this way.
 573         break
 574       fi
 575     elif test $bfd_gas = no ; then
 576       # Can't support this configuration.
 577       break
 578     fi
 579
 580 # From target name and format, produce a list of supported emulations.
 581
 582     case ${generic_target}-${fmt} in
 583       mips-*-irix5*-*)  emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
 584       mips-*-linux-gnu*-*) case "$endian" in
 585                         big)    emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
 586                         *)      emulation="mipslelf mipsbelf mipself mipslecoff mipsbecoff mipsecoff" ;;
 587                         esac ;;
 588       mips-*-lnews*-ecoff) ;;
 589       mips-*-*-ecoff)   case "$endian" in
 590                         big)    emulation="mipsbecoff mipslecoff mipsecoff" ;;
 591                         *)      emulation="mipslecoff mipsbecoff mipsecoff" ;;
 592                         esac ;;
 593       mips-*-*-elf)     case "$endian" in
 594                         big)    emulation="mipsbelf mipslelf mipself" ;;
 595                         *)      emulation="mipslelf mipsbelf mipself" ;;
 596                         esac ;;
 597       mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
 598       # i386-pc-pe-coff != i386-pc-coff.
 599       i386-*-pe-coff)   ;;
 600       # Uncommenting the next line will turn on support for i386 AOUT
 601       # for the default linux configuration
 602       # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
 603       #
 604       i386-*-aout)      emulation="i386aout" ;;
 605       i386-*-coff)      emulation="i386coff" ;;
 606       i386-*-elf)       emulation="i386elf" ;;
 607
 608       # Always all formats.  Having a.out first makes it the default.
 609       cris-*-*)         emulation="crisaout criself" ;;
 610     esac
 611
 612     emulations="$emulations $emulation"
 613
 614 done
 615
 616 # Turn on all targets if possible
 617 if test ${all_targets} = "yes"; then
 618   case ${target_cpu_type} in
 619   i386)
 620     case ${obj_format} in
 621     aout)
 622       emulations="$emulations i386coff i386elf"
 623       ;;
 624     coff)
 625       emulations="$emulations i386aout i386elf"
 626     ;;
 627     elf)
 628       emulations="$emulations i386aout i386coff"
 629       ;;
 630     esac
 631   ;;
 632   esac
 633 fi
 634
 635 # Assign floating point type.  Most processors with FP support
 636 # IEEE FP.  On those that don't support FP at all, usually IEEE
 637 # is emulated.
 638 case ${target_cpu} in
 639   vax | tahoe ) atof=${target_cpu} ;;
 640   *)            atof=ieee ;;
 641 esac
 642
 643 case "${obj_format}" in
 644   "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
 645 esac
 646
 647 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
 648 cgen_cpu_prefix=""
 649 if test $using_cgen = yes ; then
 650   case ${target_cpu} in
 651     *) cgen_cpu_prefix=${target_cpu} ;;
 652   esac
 653   AC_SUBST(cgen_cpu_prefix)
 654   AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
 655 fi
 656
 657 dnl
 658 dnl Make sure the desired support files exist.
 659 dnl
 660
 661 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
 662   AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
 663 fi
 664
 665 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
 666   AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
 667 fi
 668
 669 case ${user_bfd_gas}-${primary_bfd_gas} in
 670   yes-yes | no-no)
 671     # We didn't override user's choice.
 672     ;;
 673   no-yes)
 674     AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
 675     ;;
 676   no-preferred)
 677     primary_bfd_gas=no
 678     ;;
 679   *-preferred)
 680     primary_bfd_gas=yes
 681     ;;
 682   yes-*)
 683     primary_bfd_gas=yes
 684     ;;
 685   -*)
 686     # User specified nothing.
 687     ;;
 688 esac
 689
 690 # Some COFF configurations want these random other flags set.
 691 case ${obj_format} in
 692   coff)
 693     case ${target_cpu_type} in
 694       i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
 695       m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
 696       m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
 697     esac
 698     ;;
 699 esac
 700
 701 # Getting this done right is going to be a bitch.  Each configuration specified
 702 # with --enable-targets=... should be checked for environment, format, cpu, and
 703 # bfd_gas setting.
 704 #
 705 # For each configuration, the necessary object file support code must be linked
 706 # in.  This might be only one, it might be up to four.  The necessary emulation
 707 # code needs to be provided, too.
 708 #
 709 # And then there's "--enable-targets=all"....
 710 #
 711 # For now, just always do it for MIPS ELF or ECOFF configurations.  Sigh.
 712
 713 formats="${obj_format}"
 714 emfiles=""
 715 EMULATIONS=""
 716 GAS_UNIQ(emulations)
 717 for em in . $emulations ; do
 718   case $em in
 719     .)  continue ;;
 720     mipsbelf | mipslelf)
 721         fmt=elf   file=mipself ;;
 722     mipsbecoff | mipslecoff)
 723         fmt=ecoff file=mipsecoff ;;
 724     *coff)
 725         fmt=coff  file=$em ;;
 726     *aout)
 727         fmt=aout file=$em ;;
 728     *elf)
 729         fmt=elf file=$em ;;
 730   esac
 731   formats="$formats $fmt"
 732   emfiles="$emfiles e-$file.o"
 733   EMULATIONS="$EMULATIONS &$em,"
 734 done
 735 GAS_UNIQ(formats)
 736 GAS_UNIQ(emfiles)
 737 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
 738   for fmt in $formats ; do
 739     case $fmt in
 740       aout)     AC_DEFINE(OBJ_MAYBE_AOUT, 1,    [a.out support?])   ;;
 741       bout)     AC_DEFINE(OBJ_MAYBE_BOUT, 1,    [b.out support?])   ;;
 742       coff)     AC_DEFINE(OBJ_MAYBE_COFF, 1,    [COFF support?])    ;;
 743       ecoff)    AC_DEFINE(OBJ_MAYBE_ECOFF, 1,   [ECOFF support?])   ;;
 744       elf)      AC_DEFINE(OBJ_MAYBE_ELF, 1,     [ELF support?])     ;;
 745       generic)  AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
 746       hp300)    AC_DEFINE(OBJ_MAYBE_HP300, 1,   [HP300 support?])   ;;
 747       ieee)     AC_DEFINE(OBJ_MAYBE_IEEE, 1,    [IEEE support?])    ;;
 748       som)      AC_DEFINE(OBJ_MAYBE_SOM, 1,     [SOM support?])     ;;
 749       vms)      AC_DEFINE(OBJ_MAYBE_VMS, 1,     [VMS support?])     ;;
 750     esac
 751     extra_objects="$extra_objects obj-$fmt.o"
 752   done
 753   obj_format=multi
 754 fi
 755 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
 756   DEFAULT_EMULATION=`set . $emulations ; echo $2`
 757   # e-mips* has more than one emulation per file, e-i386* has just one at the
 758   # moment.  If only one emulation is specified, then don't define
 759   # USE_EMULATIONS or include any of the e-files as they will only be bloat.
 760   case "${obj_format}${emfiles}" in
 761     multi* | *mips*)
 762       extra_objects="$extra_objects $emfiles"
 763       AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
 764   esac
 765 fi
 766 AC_SUBST(extra_objects)
 767 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
 768 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
 769                    [Default emulation.])
 770
 771 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
 772   yes-*-coff)   need_bfd=yes ;;
 773   no-*-coff)    need_bfd=yes
 774                 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
 775 esac
 776
 777 reject_dev_configs=yes
 778
 779 case ${reject_dev_configs}-${dev} in
 780   yes-yes) # Oops.
 781     AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
 782     ;;
 783 esac
 784
 785 AC_SUBST(target_cpu_type)
 786 AC_SUBST(obj_format)
 787 AC_SUBST(te_file)
 788 AC_SUBST(install_tooldir)
 789 AC_SUBST(atof)
 790 dnl AC_SUBST(emulation)
 791
 792 case "${primary_bfd_gas}" in
 793   yes)  AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
 794         need_bfd=yes ;;
 795 esac
 796
 797 # do we need the opcodes library?
 798 case "${need_opcodes}" in
 799 yes)
 800   OPCODES_LIB=../opcodes/libopcodes.la
 801   ;;
 802 esac
 803
 804 case "${need_bfd}" in
 805 yes)
 806   BFDLIB=../bfd/libbfd.la
 807   ALL_OBJ_DEPS="$ALL_OBJ_DEPS ../bfd/bfd.h"
 808   ;;
 809 esac
 810
 811 AC_SUBST(BFDLIB)
 812 AC_SUBST(OPCODES_LIB)
 813
 814 AC_SUBST(ALL_OBJ_DEPS)
 815
 816 AC_DEFINE_UNQUOTED(TARGET_ALIAS,        "${target_alias}", [Target alias.])
 817 AC_DEFINE_UNQUOTED(TARGET_CANONICAL,    "${target}",       [Canonical target.])
 818 AC_DEFINE_UNQUOTED(TARGET_CPU,          "${target_cpu}",   [Target CPU.])
 819 AC_DEFINE_UNQUOTED(TARGET_VENDOR,       "${target_vendor}", [Target vendor.])
 820 AC_DEFINE_UNQUOTED(TARGET_OS,           "${target_os}",    [Target OS.])
 821
 822 AC_PROG_CC
 823
 824 AC_PROG_YACC
 825 AM_PROG_LEX
 826
 827 ALL_LINGUAS=
 828 CY_GNU_GETTEXT
 829
 830 AM_MAINTAINER_MODE
 831 AC_EXEEXT
 832
 833 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
 834
 835 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
 836 # people who are not cross-compiling but are compiling cross-assemblers.
 837 AC_MSG_CHECKING(whether compiling a cross-assembler)
 838 if test "${host}" = "${target}"; then
 839   cross_gas=no
 840 else
 841   cross_gas=yes
 842   AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
 843 fi
 844 AC_MSG_RESULT($cross_gas)
 845
 846 dnl ansidecl.h will deal with const
 847 dnl AC_CONST
 848 AC_FUNC_ALLOCA
 849 AC_C_INLINE
 850
 851 # VMS doesn't have unlink.
 852 AC_CHECK_FUNCS(unlink remove, break)
 853
 854 # Some systems don't have sbrk().
 855 AC_CHECK_FUNCS(sbrk)
 856
 857 # do we need the math library?
 858 case "${need_libm}" in
 859 yes)
 860   AC_CHECK_LIBM
 861   AC_SUBST(LIBM)
 862   ;;
 863 esac
 864
 865 # Some non-ANSI preprocessors botch requoting inside strings.  That's bad
 866 # enough, but on some of those systems, the assert macro relies on requoting
 867 # working properly!
 868 GAS_WORKING_ASSERT
 869
 870 # On some systems, the system header files may not declare malloc, realloc,
 871 # and free.  There are places where gas needs these functions to have been
 872 # declared -- such as when taking their addresses.
 873 gas_test_headers="
 874 #ifdef HAVE_MEMORY_H
 875 #include <memory.h>
 876 #endif
 877 #ifdef HAVE_STRING_H
 878 #include <string.h>
 879 #else
 880 #ifdef HAVE_STRINGS_H
 881 #include <strings.h>
 882 #endif
 883 #endif
 884 #ifdef HAVE_STDLIB_H
 885 #include <stdlib.h>
 886 #endif
 887 #ifdef HAVE_UNISTD_H
 888 #include <unistd.h>
 889 #endif
 890 "
 891 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
 892 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
 893 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
 894 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
 895 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
 896
 897 # Does errno.h declare errno, or do we have to add a separate declaration
 898 # for it?
 899 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
 900 #ifdef HAVE_ERRNO_H
 901 #include <errno.h>
 902 #endif
 903 ])
 904
 905 dnl This must come last.
 906
 907 dnl We used to make symlinks to files in the source directory, but now
 908 dnl we just use the right name for .c files, and create .h files in
 909 dnl the build directory which include the right .h file.  Make sure
 910 dnl the old symlinks don't exist, so that a reconfigure in an existing
 911 dnl directory behaves reasonably.
 912
 913 AC_OUTPUT(Makefile doc/Makefile ${GDBINIT}:gdbinit.in po/Makefile.in:po/Make-in,
 914 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
 915  echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
 916  echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
 917  echo '#include "te-'"${te_file}"'.h"' > targ-env.h
 918  echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
 919  if test "x$cgen_cpu_prefix" != x ; then
 920    echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
 921  fi
 922
 923  sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
 924 [target_cpu_type=${target_cpu_type}
 925  cgen_cpu_prefix=${cgen_cpu_prefix}
 926  obj_format=${obj_format}
 927  te_file=${te_file}])