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   Copyright (C) 2012-2014 Free Software Foundation, Inc.
   7 dnl
   8 dnl This file is free software; you can redistribute it and/or modify
   9 dnl it under the terms of the GNU General Public License as published by
  10 dnl the Free Software Foundation; either version 3 of the License, or
  11 dnl (at your option) any later version.
  12 dnl
  13 dnl This program is distributed in the hope that it will be useful,
  14 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 dnl GNU General Public License for more details.
  17 dnl
  18 dnl You should have received a copy of the GNU General Public License
  19 dnl along with this program; see the file COPYING3.  If not see
  20 dnl <http://www.gnu.org/licenses/>.
  21 dnl
  22 dnl v2.5 needed for --bindir et al
  23 AC_PREREQ(2.59)
  24 m4_include([../bfd/version.m4])
  25 AC_INIT([gas], BFD_VERSION)
  26 AC_CONFIG_SRCDIR(as.h)
  27
  28 dnl Autoconf 2.57 will find the aux dir without this.  However, unless
  29 dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
  30 dnl gas/ instead of gas/../.
  31 AC_CONFIG_AUX_DIR(..)
  32 AC_CANONICAL_TARGET
  33 AC_ISC_POSIX
  34
  35 AM_INIT_AUTOMAKE
  36
  37 AC_PROG_CC
  38 AC_GNU_SOURCE
  39 AC_USE_SYSTEM_EXTENSIONS
  40 ACX_LARGEFILE
  41
  42 LT_INIT
  43
  44 AC_ARG_ENABLE(targets,
  45 [  --enable-targets        alternative target configurations besides the primary],
  46 [case "${enableval}" in
  47   yes | "") AC_MSG_ERROR(enable-targets option must specify target names or 'all')
  48             ;;
  49   no)       enable_targets= ;;
  50   *)        enable_targets=$enableval ;;
  51 esac])dnl
  52
  53 ac_checking=yes
  54 if grep '^RELEASE=y' ${srcdir}/../bfd/Makefile.am >/dev/null 2>/dev/null ; then
  55   ac_checking=
  56 fi
  57 AC_ARG_ENABLE(checking,
  58 [  --enable-checking       enable run-time checks],
  59 [case "${enableval}" in
  60   no|none)  ac_checking= ;;
  61   *)        ac_checking=yes ;;
  62 esac])dnl
  63 if test x$ac_checking != x ; then
  64   AC_DEFINE(ENABLE_CHECKING, 1, [Define if you want run-time sanity checks.])
  65 fi
  66
  67 using_cgen=no
  68
  69 AM_BINUTILS_WARNINGS
  70
  71 # Generate a header file
  72 AC_CONFIG_HEADERS(config.h:config.in)
  73
  74 # PR 14072
  75 AH_VERBATIM([00_CONFIG_H_CHECK],
  76 [/* Check that config.h is #included before system headers
  77    (this works only for glibc, but that should be enough).  */
  78 #if defined(__GLIBC__) && !defined(__FreeBSD_kernel__) && !defined(__CONFIG_H__)
  79 #  error config.h must be #included before system headers
  80 #endif
  81 #define __CONFIG_H__ 1])
  82
  83 # If we are on a DOS filesystem, we must use gdb.ini rather than
  84 # .gdbinit.
  85 case "${host}" in
  86   *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
  87     GDBINIT="gdb.ini"
  88     AC_CONFIG_FILES(gdb.ini:gdbinit.in)
  89     ;;
  90   *)
  91     GDBINIT=".gdbinit"
  92     AC_CONFIG_FILES(.gdbinit:gdbinit.in)
  93     ;;
  94 esac
  95 AC_SUBST(GDBINIT)
  96
  97 #We need this for the host.  BOUT header is in host order.
  98 AC_C_BIGENDIAN
  99
 100 te_file=generic
 101
 102 # Makefile target for installing gas in $(tooldir)/bin.
 103 install_tooldir=install-exec-tooldir
 104
 105 canon_targets=""
 106 all_targets=no
 107 if test -n "$enable_targets" ; then
 108   for t in `echo $enable_targets | sed 's/,/ /g'`; do
 109     if test $t = "all"; then
 110       all_targets=yes
 111       continue
 112     fi
 113     result=`$ac_config_sub $t 2>/dev/null`
 114     if test -n "$result" ; then
 115       canon_targets="$canon_targets $result"
 116 #    else
 117 #      # Permit "all", etc.  We don't support it yet though.
 118 #      canon_targets="$canon_targets $t"
 119     fi
 120   done
 121   GAS_UNIQ(canon_targets)
 122 fi
 123
 124 emulations=""
 125
 126 for this_target in $target $canon_targets ; do
 127
 128     targ=${this_target}
 129     . ${srcdir}/configure.tgt
 130
 131     case ${target_cpu} in
 132       crisv32)
 133         AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
 134                            [Default CRIS architecture.])
 135         ;;
 136     esac
 137
 138     if test ${this_target} = $target ; then
 139       target_cpu_type=${cpu_type}
 140     elif test ${target_cpu_type} != ${cpu_type} ; then
 141       continue
 142     fi
 143
 144     generic_target=${cpu_type}-${target_vendor}-${target_os}
 145     case ${generic_target} in
 146       i386-*-sco3.2v5*)
 147         if test ${this_target} = $target; then
 148           AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
 149         fi
 150         ;;
 151
 152       i386-*-msdosdjgpp* \
 153       | i386-*-go32* \
 154       | i386-go32-rtems*)
 155         AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
 156         ;;
 157
 158       i860-*-*)
 159         AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
 160         ;;
 161
 162       microblaze*)
 163         ;;
 164
 165 changequote(,)dnl
 166       ppc-*-aix[5-9].*)
 167 changequote([,])dnl
 168         AC_DEFINE(AIX_WEAK_SUPPORT, 1,
 169                   [Define if using AIX 5.2 value for C_WEAKEXT.])
 170         ;;
 171       ppc-*-solaris*)
 172         if test ${this_target} = $target; then
 173           AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
 174                     [Define if default target is PowerPC Solaris.])
 175         fi
 176         if test x${endian} = xbig; then
 177           AC_MSG_ERROR(Solaris must be configured little endian)
 178         fi
 179         ;;
 180
 181       sh*-*-symbianelf*)
 182         AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
 183         ;;
 184     esac
 185
 186     if test ${this_target} = $target ; then
 187       endian_def=
 188       if test x${endian} = xbig; then
 189         endian_def=1
 190       elif test x${endian} = xlittle; then
 191         endian_def=0
 192       fi
 193       if test x${endian_def} != x; then
 194         AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
 195                            [Define as 1 if big endian.])
 196       fi
 197     fi
 198
 199 # Other random stuff.
 200
 201     case ${cpu_type} in
 202       mips)
 203         # Set mips_cpu to the name of the default CPU.
 204         case ${target_cpu} in
 205           mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
 206             mips_cpu=from-abi
 207             ;;
 208           mipsisa32 | mipsisa32el)
 209             mips_cpu=mips32
 210             ;;
 211           mipsisa32r2 | mipsisa32r2el)
 212             mips_cpu=mips32r2
 213             ;;
 214           mipsisa32r3 | mipsisa32r3el)
 215             mips_cpu=mips32r3
 216             ;;
 217           mipsisa32r5 | mipsisa32r5el)
 218             mips_cpu=mips32r5
 219             ;;
 220           mipsisa64 | mipsisa64el)
 221             mips_cpu=mips64
 222             ;;
 223           mipsisa64r2 | mipsisa64r2el)
 224             mips_cpu=mips64r2
 225             ;;
 226           mipsisa64r3 | mipsisa64r3el)
 227             mips_cpu=mips64r3
 228             ;;
 229           mipsisa64r5 | mipsisa64r5el)
 230             mips_cpu=mips64r5
 231             ;;
 232           mipstx39 | mipstx39el)
 233             mips_cpu=r3900
 234             ;;
 235           mips64vr | mips64vrel)
 236             mips_cpu=vr4100
 237             ;;
 238           mipsisa32r2* | mipsisa64r2*)
 239 changequote(,)dnl
 240             mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
 241 changequote([,])dnl
 242             ;;
 243           mips64* | mipsisa64* | mipsisa32*)
 244 changequote(,)dnl
 245             mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
 246 changequote([,])dnl
 247             ;;
 248           mips*)
 249 changequote(,)dnl
 250             mips_cpu=`echo $target_cpu | sed -e 's/^mips//' -e 's/el$//'`
 251 changequote([,])dnl
 252             ;;
 253           *)
 254             AC_MSG_ERROR($target_cpu isn't a supported MIPS CPU name)
 255             ;;
 256         esac
 257         # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
 258         # binaries.  It's a GNU extension that some OSes don't understand.
 259         case ${target} in
 260           *-*-irix*)
 261             use_e_mips_abi_o32=0
 262             ;;
 263           *)
 264             use_e_mips_abi_o32=1
 265             ;;
 266         esac
 267         # Decide whether to generate 32-bit or 64-bit code by default.
 268         # Used to resolve -march=from-abi when an embedded ABI is selected.
 269         case ${target} in
 270           mips64*-*-* | mipsisa64*-*-*)
 271             mips_default_64bit=1
 272             ;;
 273           *)
 274             mips_default_64bit=0
 275             ;;
 276         esac
 277         # Decide which ABI to target by default.
 278         case ${target} in
 279           mips64*-linux* | mips-sgi-irix6* | mips64*-freebsd* | mips64*-kfreebsd*-gnu)
 280             mips_default_abi=N32_ABI
 281             ;;
 282           mips*-linux* | mips*-freebsd* | mips*-kfreebsd*-gnu)
 283             mips_default_abi=O32_ABI
 284             ;;
 285           mips64*-openbsd*)
 286             mips_default_abi=N64_ABI
 287             ;;
 288           *)
 289             mips_default_abi=NO_ABI
 290             ;;
 291         esac
 292         AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
 293                            [Default CPU for MIPS targets. ])
 294         AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
 295                            [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
 296         AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
 297                            [Generate 64-bit code by default on MIPS targets. ])
 298         AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
 299                            [Choose a default ABI for MIPS targets. ])
 300         ;;
 301     esac
 302
 303     # Do we need the opcodes library?
 304     case ${cpu_type} in
 305       vax | tic30)
 306         ;;
 307
 308       *)
 309         need_opcodes=yes
 310
 311         case "${enable_shared}" in
 312         yes) shared_opcodes=true ;;
 313         *opcodes*) shared_opcodes=true ;;
 314         *) shared_opcodes=false ;;
 315         esac
 316         ;;
 317     esac
 318
 319     # Any other special object files needed ?
 320     case ${cpu_type} in
 321
 322       bfin)
 323         echo ${extra_objects} | grep -s "bfin-parse.o"
 324         if test $? -ne 0 ; then
 325           extra_objects="$extra_objects bfin-parse.o"
 326         fi
 327
 328         echo ${extra_objects} | grep -s "bfin-lex-wrapper.o"
 329         if test $? -ne 0 ; then
 330           extra_objects="$extra_objects bfin-lex-wrapper.o"
 331         fi
 332         ;;
 333
 334       epiphany | fr30 | ip2k | iq2000 | lm32 | m32r | or1k)
 335         using_cgen=yes
 336         ;;
 337
 338       m32c)
 339         using_cgen=yes
 340         ;;
 341       frv)
 342         using_cgen=yes
 343         ;;
 344       m68k)
 345         case ${extra_objects} in
 346         *m68k-parse.o*) ;;
 347         *) extra_objects="$extra_objects m68k-parse.o" ;;
 348         esac
 349         ;;
 350
 351       mep)
 352         using_cgen=yes
 353         ;;
 354
 355       mips)
 356         echo ${extra_objects} | grep -s "itbl-parse.o"
 357         if test $? -ne 0 ; then
 358           extra_objects="$extra_objects itbl-parse.o"
 359         fi
 360
 361         echo ${extra_objects} | grep -s "itbl-lex-wrapper.o"
 362         if test $? -ne 0 ; then
 363           extra_objects="$extra_objects itbl-lex-wrapper.o"
 364         fi
 365
 366         echo ${extra_objects} | grep -s "itbl-ops.o"
 367         if test $? -ne 0 ; then
 368           extra_objects="$extra_objects itbl-ops.o"
 369         fi
 370         ;;
 371
 372       mt)
 373         using_cgen=yes
 374         ;;
 375
 376       nds32)
 377         # Decide BASELINE, REDUCED_REGS, FPU_DP_EXT, FPU_SP_EXT features
 378         # based on arch_name.
 379         AC_MSG_CHECKING(for default configuration of --with-arch)
 380         if test "x${with_arch}" != x; then
 381           case ${with_arch} in
 382             v2j | v2s | v2f | v2 | v3m | v3j | v3s | v3f | v3 )
 383               AC_DEFINE_UNQUOTED(NDS32_DEFAULT_ARCH_NAME, "$with_arch",
 384                                  [Define value for nds32_arch_name])
 385               ;;
 386             *)
 387               AC_MSG_ERROR(This kind of arch name does *NOT* exist!)
 388               ;;
 389           esac
 390         fi
 391         AC_MSG_RESULT($with_arch)
 392
 393         # Decide features one by one.
 394         AC_MSG_CHECKING(for default configuration of --enable-dx-regs)
 395         if test "x${enable_dx_regs}" == xyes; then
 396           AC_DEFINE(NDS32_DEFAULT_DX_REGS, 1,
 397                     [Define value for nds32_dx_regs])
 398         else
 399           AC_DEFINE(NDS32_DEFAULT_DX_REGS, 0,
 400                     [Define default value for nds32_dx_regs])
 401         fi
 402         AC_MSG_RESULT($enable_dx_regs)
 403
 404         AC_MSG_CHECKING(for default configuration of --enable-perf-ext)
 405         if test "x${enable_perf_ext}" == xno; then
 406           AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 0,
 407                     [Define value for nds32_perf_ext])
 408         else
 409           AC_DEFINE(NDS32_DEFAULT_PERF_EXT, 1,
 410                     [Define default value for nds32_perf_ext])
 411         fi
 412         AC_MSG_RESULT($enable_perf_ext)
 413
 414         AC_MSG_CHECKING(for default configuration of --enable-perf-ext2)
 415         if test "x${enable_perf_ext2}" == xno; then
 416           AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 0,
 417                     [Define value for nds32_perf_ext2])
 418         else
 419           AC_DEFINE(NDS32_DEFAULT_PERF_EXT2, 1,
 420                     [Define default value for nds32_perf_ext2])
 421         fi
 422         AC_MSG_RESULT($enable_perf_ext2)
 423
 424         AC_MSG_CHECKING(for default configuration of --enable-string-ext)
 425         if test "x${enable_string_ext}" == xno; then
 426           AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 0,
 427                     [Define value for nds32_string_ext])
 428         else
 429           AC_DEFINE(NDS32_DEFAULT_STRING_EXT, 1,
 430                     [Define default value for nds32_string_ext])
 431         fi
 432         AC_MSG_RESULT($enable_string_ext)
 433
 434         AC_MSG_CHECKING(for default configuration of --enable-audio-ext)
 435         if test "x${enable_audio_ext}" == xno; then
 436           AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 0,
 437                     [Define value for nds32_audio_ext])
 438         else
 439           AC_DEFINE(NDS32_DEFAULT_AUDIO_EXT, 1,
 440                     [Define default value for nds32_audio_ext])
 441         fi
 442         AC_MSG_RESULT($enable_audio_ext)
 443         ;;
 444
 445       i386 | s390 | sparc)
 446         if test $this_target = $target ; then
 447           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 448         fi
 449         ;;
 450
 451       rl78)
 452         echo ${extra_objects} | grep -s "rl78-parse.o"
 453         if test $? -ne 0 ; then
 454           extra_objects="$extra_objects rl78-parse.o"
 455         fi
 456         ;;
 457
 458       rx)
 459         echo ${extra_objects} | grep -s "rx-parse.o"
 460         if test $? -ne 0 ; then
 461           extra_objects="$extra_objects rx-parse.o"
 462         fi
 463         ;;
 464
 465       xstormy16)
 466         using_cgen=yes
 467         ;;
 468
 469       xc16x)
 470         using_cgen=yes
 471         ;;
 472
 473       xtensa)
 474         echo ${extra_objects} | grep -s "xtensa-relax.o"
 475         if test $? -ne 0 ; then
 476           extra_objects="$extra_objects xtensa-relax.o"
 477         fi
 478         ;;
 479
 480       *)
 481         ;;
 482     esac
 483
 484     if test $using_cgen = yes ; then
 485         case "x${extra_objects}" in
 486         *cgen.o*) ;;
 487         *) extra_objects="$extra_objects cgen.o" ;;
 488         esac
 489     fi
 490
 491 # See if we really can support this configuration with the emulation code.
 492
 493     if test $this_target = $target ; then
 494       obj_format=$fmt
 495       te_file=$em
 496     fi
 497
 498    case ${te_file} in
 499       vms) extra_objects="$extra_objects te-vms.o" ;;
 500    esac
 501
 502 # From target name and format, produce a list of supported emulations.
 503
 504     case ${generic_target}-${fmt} in
 505       mips-*-*-*)       case "$endian" in
 506                         big)    emulation="mipsbelf mipslelf mipself" ;;
 507                         *)      emulation="mipslelf mipsbelf mipself" ;;
 508                         esac ;;
 509       # i386-pc-pe-coff != i386-pc-coff.
 510       i386-*-pe-coff)   ;;
 511       # Uncommenting the next line will turn on support for i386 AOUT
 512       # for the default linux configuration
 513       # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
 514       #
 515       i386-*-aout)      emulation="i386aout" ;;
 516       i386-*-coff)      emulation="i386coff" ;;
 517       i386-*-elf)       emulation="i386elf" ;;
 518
 519       # Always all formats.  The first stated emulation becomes the default.
 520       cris-*-*aout*)    emulation="crisaout criself" ;;
 521       cris-*-*)         emulation="criself crisaout" ;;
 522     esac
 523
 524     emulations="$emulations $emulation"
 525
 526 done
 527
 528 # Turn on all targets if possible
 529 if test ${all_targets} = "yes"; then
 530   case ${target_cpu_type} in
 531   i386)
 532     case ${obj_format} in
 533     aout)
 534       emulations="$emulations i386coff i386elf"
 535       ;;
 536     coff)
 537       emulations="$emulations i386aout i386elf"
 538     ;;
 539     elf)
 540       emulations="$emulations i386aout i386coff"
 541       ;;
 542     esac
 543   ;;
 544   x86_64)
 545     case ${obj_format} in
 546     aout)
 547       emulations="$emulations i386coff i386elf"
 548       ;;
 549     coff)
 550       emulations="$emulations i386aout i386elf"
 551     ;;
 552     elf)
 553       emulations="$emulations i386aout i386coff"
 554       ;;
 555     esac
 556   ;;
 557   esac
 558 fi
 559
 560 # PE code has way too many macros tweaking behaviour
 561 case ${te_file} in
 562   pe*) emulations="" ;;
 563 esac
 564
 565 # Assign floating point type.  Most processors with FP support
 566 # IEEE FP.  On those that don't support FP at all, usually IEEE
 567 # is emulated.
 568 case ${target_cpu} in
 569   vax | pdp11 ) atof=vax ;;
 570   *)            atof=ieee ;;
 571 esac
 572
 573 case "${obj_format}" in
 574   "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
 575 esac
 576
 577 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
 578 cgen_cpu_prefix=""
 579 if test $using_cgen = yes ; then
 580   case ${target_cpu} in
 581     or1knd)
 582        cgen_cpu_prefix=or1k ;;
 583     *) cgen_cpu_prefix=${target_cpu} ;;
 584   esac
 585   AC_SUBST(cgen_cpu_prefix)
 586   AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
 587 fi
 588
 589 dnl
 590 dnl Make sure the desired support files exist.
 591 dnl
 592
 593 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
 594   AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
 595 fi
 596
 597 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
 598   AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
 599 fi
 600
 601 # Some COFF configurations want these random other flags set.
 602 case ${obj_format} in
 603   coff)
 604     case ${target_cpu_type} in
 605       i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
 606       m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
 607       m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
 608       x86_64) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
 609     esac
 610     ;;
 611 esac
 612
 613 # Getting this done right is going to be a bitch.  Each configuration specified
 614 # with --enable-targets=... should be checked for environment, format, cpu
 615 # setting.
 616 #
 617 # For each configuration, the necessary object file support code must be linked
 618 # in.  This might be only one, it might be up to four.  The necessary emulation
 619 # code needs to be provided, too.
 620 #
 621 # And then there's "--enable-targets=all"....
 622 #
 623 # For now, just always do it for MIPS ELF configurations.  Sigh.
 624
 625 formats="${obj_format}"
 626 emfiles=""
 627 EMULATIONS=""
 628 GAS_UNIQ(emulations)
 629 for em in . $emulations ; do
 630   case $em in
 631     .)  continue ;;
 632     mipsbelf | mipslelf | mipself)
 633         fmt=elf   file=mipself ;;
 634     *coff)
 635         fmt=coff  file=$em ;;
 636     *aout)
 637         fmt=aout file=$em ;;
 638     *elf)
 639         fmt=elf file=$em ;;
 640   esac
 641   formats="$formats $fmt"
 642   emfiles="$emfiles e-$file.o"
 643   EMULATIONS="$EMULATIONS &$em,"
 644 done
 645 GAS_UNIQ(formats)
 646 GAS_UNIQ(emfiles)
 647 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
 648   for fmt in $formats ; do
 649     case $fmt in
 650       aout)     AC_DEFINE(OBJ_MAYBE_AOUT, 1,    [a.out support?])   ;;
 651       bout)     AC_DEFINE(OBJ_MAYBE_BOUT, 1,    [b.out support?])   ;;
 652       coff)     AC_DEFINE(OBJ_MAYBE_COFF, 1,    [COFF support?])    ;;
 653       ecoff)    AC_DEFINE(OBJ_MAYBE_ECOFF, 1,   [ECOFF support?])   ;;
 654       elf)      AC_DEFINE(OBJ_MAYBE_ELF, 1,     [ELF support?])     ;;
 655       generic)  AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
 656       som)      AC_DEFINE(OBJ_MAYBE_SOM, 1,     [SOM support?])     ;;
 657     esac
 658     extra_objects="$extra_objects obj-$fmt.o"
 659   done
 660   obj_format=multi
 661 fi
 662 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
 663   DEFAULT_EMULATION=`set . $emulations ; echo $2`
 664   # e-mipself has more than one emulation per file, e-i386* has just one at the
 665   # moment.  If only one emulation is specified, then don't define
 666   # USE_EMULATIONS or include any of the e-files as they will only be bloat.
 667   case "${obj_format}${emfiles}" in
 668     multi* | *mipself*)
 669       extra_objects="$extra_objects $emfiles"
 670       AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
 671   esac
 672 fi
 673 AC_SUBST(extra_objects)
 674 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
 675 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
 676                    [Default emulation.])
 677
 678 reject_dev_configs=yes
 679
 680 case ${reject_dev_configs}-${dev} in
 681   yes-yes) # Oops.
 682     AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
 683     ;;
 684 esac
 685
 686 AC_SUBST(target_cpu_type)
 687 AC_SUBST(obj_format)
 688 AC_SUBST(te_file)
 689 AC_SUBST(install_tooldir)
 690 AC_SUBST(atof)
 691 dnl AC_SUBST(emulation)
 692
 693 # do we need the opcodes library?
 694 case "${need_opcodes}" in
 695 yes)
 696   OPCODES_LIB=../opcodes/libopcodes.la
 697   ;;
 698 esac
 699
 700 AC_SUBST(OPCODES_LIB)
 701
 702 AC_DEFINE_UNQUOTED(TARGET_ALIAS,        "${target_alias}", [Target alias.])
 703 AC_DEFINE_UNQUOTED(TARGET_CANONICAL,    "${target}",       [Canonical target.])
 704 AC_DEFINE_UNQUOTED(TARGET_CPU,          "${target_cpu}",   [Target CPU.])
 705 AC_DEFINE_UNQUOTED(TARGET_VENDOR,       "${target_vendor}", [Target vendor.])
 706 AC_DEFINE_UNQUOTED(TARGET_OS,           "${target_os}",    [Target OS.])
 707
 708 AC_PROG_YACC
 709 AM_PROG_LEX
 710
 711 ALL_LINGUAS="fr tr es rw id ru fi ja"
 712 ZW_GNU_GETTEXT_SISTER_DIR
 713 AM_PO_SUBDIRS
 714
 715 AM_MAINTAINER_MODE
 716 AM_CONDITIONAL(GENINSRC_NEVER, false)
 717 AC_EXEEXT
 718
 719 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h errno.h sys/types.h limits.h locale.h time.h sys/stat.h)
 720 ACX_HEADER_STRING
 721
 722 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
 723 # people who are not cross-compiling but are compiling cross-assemblers.
 724 AC_MSG_CHECKING(whether compiling a cross-assembler)
 725 if test "${host}" = "${target}"; then
 726   cross_gas=no
 727 else
 728   cross_gas=yes
 729   AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
 730 fi
 731 AC_MSG_RESULT($cross_gas)
 732
 733 dnl ansidecl.h will deal with const
 734 dnl AC_C_CONST
 735 AC_FUNC_ALLOCA
 736 AC_C_INLINE
 737
 738 # VMS doesn't have unlink.
 739 AC_CHECK_FUNCS(unlink remove, break)
 740 AC_CHECK_FUNCS(sbrk setlocale)
 741
 742 AM_LC_MESSAGES
 743
 744 # do we need the math library?
 745 case "${need_libm}" in
 746 yes)
 747   LT_LIB_M
 748   AC_SUBST(LIBM)
 749   ;;
 750 esac
 751
 752 # Some non-ANSI preprocessors botch requoting inside strings.  That's bad
 753 # enough, but on some of those systems, the assert macro relies on requoting
 754 # working properly!
 755 GAS_WORKING_ASSERT
 756
 757 # On some systems, the system header files may not declare malloc, realloc,
 758 # and free.  There are places where gas needs these functions to have been
 759 # declared -- such as when taking their addresses.
 760 gas_test_headers="
 761 #ifdef HAVE_MEMORY_H
 762 #include <memory.h>
 763 #endif
 764 #ifdef HAVE_STRING_H
 765 #include <string.h>
 766 #else
 767 #ifdef HAVE_STRINGS_H
 768 #include <strings.h>
 769 #endif
 770 #endif
 771 #ifdef HAVE_STDLIB_H
 772 #include <stdlib.h>
 773 #endif
 774 #ifdef HAVE_UNISTD_H
 775 #include <unistd.h>
 776 #endif
 777 "
 778
 779 # Does errno.h declare errno, or do we have to add a separate declaration
 780 # for it?
 781 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
 782 #ifdef HAVE_ERRNO_H
 783 #include <errno.h>
 784 #endif
 785 ])
 786
 787 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
 788 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
 789 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);])],
 790 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
 791 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
 792 if test $gas_cv_decl_getopt_unistd_h = yes; then
 793   AC_DEFINE([HAVE_DECL_GETOPT], 1,
 794             [Is the prototype for getopt in <unistd.h> in the expected format?])
 795 fi
 796
 797 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
 798 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
 799 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
 800 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
 801 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
 802 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
 803
 804 AC_CHECK_DECLS([free, getenv, malloc, mempcpy, realloc, stpcpy, strstr, vsnprintf])
 805
 806 BFD_BINARY_FOPEN
 807
 808 # Link in zlib if we can.  This allows us to write compressed debug sections.
 809 AM_ZLIB
 810
 811 # Support for VMS timestamps via cross compile
 812
 813 if test "$ac_cv_header_time_h" = yes; then
 814   GAS_HAVE_TIME_TYPE_MEMBER(struct tm, tm_gmtoff)
 815 fi
 816
 817 if test "$ac_cv_header_sys_stat_h" = yes; then
 818     GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_sec)
 819     GAS_HAVE_SYS_STAT_TYPE_MEMBER(struct stat, st_mtim, tv_nsec)
 820 fi
 821
 822
 823 dnl Required for html, pdf, install-pdf and install-html targets.
 824 AC_SUBST(datarootdir)
 825 AC_SUBST(docdir)
 826 AC_SUBST(htmldir)
 827 AC_SUBST(pdfdir)
 828
 829 dnl This must come last.
 830
 831 dnl We used to make symlinks to files in the source directory, but now
 832 dnl we just use the right name for .c files, and create .h files in
 833 dnl the build directory which include the right .h file.  Make sure
 834 dnl the old symlinks don't exist, so that a reconfigure in an existing
 835 dnl directory behaves reasonably.
 836
 837 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
 838 AC_CONFIG_COMMANDS([default],
 839 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
 840  echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
 841  echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
 842  echo '#include "te-'"${te_file}"'.h"' > targ-env.h
 843  echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
 844  if test "x$cgen_cpu_prefix" != x ; then
 845    echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
 846  fi],
 847 [target_cpu_type=${target_cpu_type}
 848  cgen_cpu_prefix=${cgen_cpu_prefix}
 849  obj_format=${obj_format}
 850  te_file=${te_file}])
 851
 852 AC_OUTPUT