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(2.57)
   9 AC_INIT(as.h)
  10
  11 dnl Autoconf 2.57 will find the aux dir without this.  However, unless
  12 dnl we specify this explicitly, automake-1.7 will assume that ylwrap is in
  13 dnl gas/ instead of gas/../.
  14 AC_CONFIG_AUX_DIR(..)
  15 AC_CANONICAL_SYSTEM
  16 AC_ISC_POSIX
  17
  18 changequote(,)dnl
  19 BFD_VERSION=`sed -n -e 's/^.._INIT_AUTOMAKE.*,[         ]*\([^  ]*\)[   ]*).*/\1/p' < ${srcdir}/../bfd/configure.in`
  20 changequote([,])dnl
  21 AM_INIT_AUTOMAKE(gas, ${BFD_VERSION})
  22
  23 AM_PROG_LIBTOOL
  24
  25 user_bfd_gas=
  26 AC_ARG_ENABLE(bfd-assembler,
  27 [  --enable-bfd-assembler  use BFD back end for writing object files],
  28 [case "${enableval}" in
  29   yes) need_bfd=yes user_bfd_gas=yes ;;
  30   no)  user_bfd_gas=no ;;
  31   *)   AC_MSG_ERROR(bad value ${enableval} given for bfd-assembler option) ;;
  32 esac])dnl
  33 AC_ARG_ENABLE(targets,
  34 [    targets            alternative target configurations besides the primary],
  35 [case "${enableval}" in
  36   yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
  37             ;;
  38   no)       enable_targets= ;;
  39   *)        enable_targets=$enableval ;;
  40 esac])dnl
  41 AC_ARG_ENABLE(commonbfdlib,
  42 [  --enable-commonbfdlib   build shared BFD/opcodes/libiberty library],
  43 [case "${enableval}" in
  44   yes) commonbfdlib=true ;;
  45   no)  commonbfdlib=false ;;
  46   *)   AC_MSG_ERROR([bad value ${enableval} for BFD commonbfdlib option]) ;;
  47 esac])dnl
  48
  49 using_cgen=no
  50
  51 build_warnings="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
  52 AC_ARG_ENABLE(build-warnings,
  53 [  --enable-build-warnings Enable build-time compiler warnings if gcc is used],
  54 [case "${enableval}" in
  55   yes)  ;;
  56   no)   build_warnings="-w";;
  57   ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
  58         build_warnings="${build_warnings} ${t}";;
  59   *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
  60         build_warnings="${t} ${build_warnings}";;
  61   *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
  62 esac
  63 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
  64   echo "Setting warning flags = $build_warnings" 6>&1
  65 fi])dnl
  66 WARN_CFLAGS=""
  67 if test "x${build_warnings}" != x -a "x$GCC" = xyes ; then
  68     WARN_CFLAGS="${build_warnings}"
  69 fi
  70 AC_SUBST(WARN_CFLAGS)
  71
  72 # Generate a header file
  73 AM_CONFIG_HEADER(config.h:config.in)
  74
  75 # If we are on a DOS filesystem, we must use gdb.ini rather than
  76 # .gdbinit.
  77 case "${host}" in
  78   *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
  79     GDBINIT="gdb.ini"
  80     AC_CONFIG_FILES(gdb.ini:gdbinit.in)
  81     ;;
  82   *)
  83     GDBINIT=".gdbinit"
  84     AC_CONFIG_FILES(.gdbinit:gdbinit.in)
  85     ;;
  86 esac
  87 AC_SUBST(GDBINIT)
  88
  89 #We need this for the host.  BOUT header is in host order.
  90 AC_C_BIGENDIAN
  91
  92 te_file=generic
  93
  94 # Makefile target for installing gas in $(tooldir)/bin.
  95 install_tooldir=install-exec-tooldir
  96
  97 canon_targets=""
  98 all_targets=no
  99 if test -n "$enable_targets" ; then
 100   for t in `echo $enable_targets | sed 's/,/ /g'`; do
 101     if test $t = "all"; then
 102       all_targets=yes
 103       continue
 104     fi
 105     result=`$ac_config_sub $t 2>/dev/null`
 106     if test -n "$result" ; then
 107       canon_targets="$canon_targets $result"
 108 #    else
 109 #      # Permit "all", etc.  We don't support it yet though.
 110 #      canon_targets="$canon_targets $t"
 111     fi
 112   done
 113   GAS_UNIQ(canon_targets)
 114 fi
 115
 116 emulations=""
 117
 118 for this_target in $target $canon_targets ; do
 119
 120     targ=${this_target}
 121     . ${srcdir}/configure.tgt
 122
 123     case ${target_cpu} in
 124       crisv32)
 125         AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
 126                            [Default CRIS architecture.])
 127         ;;
 128     esac
 129
 130     if test ${this_target} = $target ; then
 131       target_cpu_type=${cpu_type}
 132     elif test ${target_cpu_type} != ${cpu_type} ; then
 133       continue
 134     fi
 135
 136     generic_target=${cpu_type}-${target_vendor}-${target_os}
 137     case ${generic_target} in
 138       i386-*-sco3.2v5*)
 139         if test ${this_target} = $target; then
 140           AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
 141         fi
 142         ;;
 143
 144       i386-*-msdosdjgpp* \
 145       | i386-*-go32* \
 146       | i386-go32-rtems*)
 147         AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
 148         ;;
 149
 150       i860-*-*)
 151         AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
 152         ;;
 153
 154       mips-sony-bsd*)
 155         ;;
 156       mips-*-bsd*)
 157         AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
 158         ;;
 159
 160       ppc-*-aix5.*)
 161         AC_DEFINE(AIX_WEAK_SUPPORT, 1,
 162                   [Define if using AIX 5.2 value for C_WEAKEXT.])
 163         ;;
 164       ppc-*-linux-gnu*)
 165         case "$endian" in
 166           big)  ;;
 167           *)    AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
 168         esac
 169         ;;
 170       ppc-*-solaris*)
 171         if test ${this_target} = $target; then
 172           AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
 173                     [Define if default target is PowerPC Solaris.])
 174         fi
 175         if test x${endian} = xbig; then
 176           AC_MSG_ERROR(Solaris must be configured little endian)
 177         fi
 178         ;;
 179
 180       sh*-*-symbianelf*)
 181         AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
 182         ;;
 183     esac
 184
 185     if test ${this_target} = $target ; then
 186       endian_def=
 187       if test x${endian} = xbig; then
 188         endian_def=1
 189       elif test x${endian} = xlittle; then
 190         endian_def=0
 191       fi
 192       if test x${endian_def} != x; then
 193         AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
 194                            [Define as 1 if big endian.])
 195       fi
 196     fi
 197
 198 # Other random stuff.
 199
 200     case ${cpu_type} in
 201       mips)
 202         # Set mips_cpu to the name of the default CPU.
 203         case ${target_cpu} in
 204           mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
 205             mips_cpu=from-abi
 206             ;;
 207           mipsisa32 | mipsisa32el)
 208             mips_cpu=mips32
 209             ;;
 210           mipsisa32r2 | mipsisa32r2el)
 211             mips_cpu=mips32r2
 212             ;;
 213           mipsisa64 | mipsisa64el)
 214             mips_cpu=mips64
 215             ;;
 216           mipsisa64r2 | mipsisa64r2el)
 217             mips_cpu=mips64r2
 218             ;;
 219           mipstx39 | mipstx39el)
 220             mips_cpu=r3900
 221             ;;
 222           mips64vr | mips64vrel)
 223             mips_cpu=vr4100
 224             ;;
 225           mipsisa32r2* | mipsisa64r2*)
 226 changequote(,)dnl
 227             mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
 228 changequote([,])dnl
 229             ;;
 230           mips64* | mipsisa64* | mipsisa32*)
 231 changequote(,)dnl
 232             mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
 233 changequote([,])dnl
 234             ;;
 235           *)
 236             AC_ERROR($target_cpu isn't a supported MIPS CPU name)
 237             ;;
 238         esac
 239         # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
 240         # binaries.  It's a GNU extension that some OSes don't understand.
 241         # The value only matters on ELF targets.
 242         case ${target} in
 243           *-*-irix*)
 244             use_e_mips_abi_o32=0
 245             ;;
 246           *)
 247             use_e_mips_abi_o32=1
 248             ;;
 249         esac
 250         # Decide whether to generate 32-bit or 64-bit code by default.
 251         # Used to resolve -march=from-abi when an embedded ABI is selected.
 252         case ${target} in
 253           mips64*-*-* | mipsisa64*-*-*)
 254             mips_default_64bit=1
 255             ;;
 256           *)
 257             mips_default_64bit=0
 258             ;;
 259         esac
 260         # Decide which ABI to target by default.
 261         case ${target} in
 262           mips64*-linux* | mips-sgi-irix6*)
 263             mips_default_abi=N32_ABI
 264             ;;
 265           mips*-linux*)
 266             mips_default_abi=O32_ABI
 267             ;;
 268           *)
 269             mips_default_abi=NO_ABI
 270             ;;
 271         esac
 272         AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
 273                            [Default CPU for MIPS targets. ])
 274         AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
 275                            [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
 276         AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
 277                            [Generate 64-bit code by default on MIPS targets. ])
 278         AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
 279                            [Choose a default ABI for MIPS targets. ])
 280         ;;
 281     esac
 282
 283     # Do we need the opcodes library?
 284     case ${cpu_type} in
 285       vax | i386 | tic30)
 286         ;;
 287
 288       *)
 289         need_opcodes=yes
 290
 291         case "${enable_shared}" in
 292         yes) shared_opcodes=true ;;
 293         *opcodes*) shared_opcodes=true ;;
 294         *) shared_opcodes=false ;;
 295         esac
 296         if test "${shared_opcodes}" = "true"; then
 297           # A shared libopcodes must be linked against libbfd.
 298           need_bfd=yes
 299         fi
 300         ;;
 301     esac
 302
 303     # Any other special object files needed ?
 304     case ${cpu_type} in
 305       fr30 | ip2k | iq2000 | m32r | openrisc)
 306         using_cgen=yes
 307         ;;
 308
 309       frv)
 310         using_cgen=yes
 311         ;;
 312       m68k)
 313         case ${extra_objects} in
 314         *m68k-parse.o*) ;;
 315         *) extra_objects="$extra_objects m68k-parse.o" ;;
 316         esac
 317         ;;
 318
 319       mips)
 320         echo ${extra_objects} | grep -s "itbl-parse.o"
 321         if test $? -ne 0 ; then
 322           extra_objects="$extra_objects itbl-parse.o"
 323         fi
 324
 325         echo ${extra_objects} | grep -s "itbl-lex.o"
 326         if test $? -ne 0 ; then
 327           extra_objects="$extra_objects itbl-lex.o"
 328         fi
 329
 330         echo ${extra_objects} | grep -s "itbl-ops.o"
 331         if test $? -ne 0 ; then
 332           extra_objects="$extra_objects itbl-ops.o"
 333         fi
 334         ;;
 335
 336       i386 | s390 | sparc)
 337         if test $this_target = $target ; then
 338           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 339         fi
 340         ;;
 341
 342       xstormy16)
 343         using_cgen=yes
 344         ;;
 345
 346       xtensa)
 347         echo ${extra_objects} | grep -s "xtensa-relax.o"
 348         if test $? -ne 0 ; then
 349           extra_objects="$extra_objects xtensa-relax.o"
 350         fi
 351         ;;
 352
 353       *)
 354         ;;
 355     esac
 356
 357     if test $using_cgen = yes ; then
 358         case "x${extra_objects}" in
 359         *cgen.o*) ;;
 360         *) extra_objects="$extra_objects cgen.o" ;;
 361         esac
 362     fi
 363
 364 # See if we really can support this configuration with the emulation code.
 365
 366     if test $this_target = $target ; then
 367       primary_bfd_gas=$bfd_gas
 368       obj_format=$fmt
 369       te_file=$em
 370
 371       if test $bfd_gas = no ; then
 372         # Can't support other configurations this way.
 373         break
 374       fi
 375     elif test $bfd_gas = no ; then
 376       # Can't support this configuration.
 377       break
 378     fi
 379
 380 # From target name and format, produce a list of supported emulations.
 381
 382     case ${generic_target}-${fmt} in
 383       mips-*-irix5*-*)  emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
 384       mips*-*-linux*-*) case "$endian" in
 385                         big)    emulation="mipsbelf mipslelf mipself" ;;
 386                         *)      emulation="mipslelf mipsbelf mipself" ;;
 387                         esac ;;
 388       mips-*-lnews*-ecoff) ;;
 389       mips-*-*-ecoff)   case "$endian" in
 390                         big)    emulation="mipsbecoff mipslecoff mipsecoff" ;;
 391                         *)      emulation="mipslecoff mipsbecoff mipsecoff" ;;
 392                         esac ;;
 393       mips-*-*-elf)     case "$endian" in
 394                         big)    emulation="mipsbelf mipslelf mipself" ;;
 395                         *)      emulation="mipslelf mipsbelf mipself" ;;
 396                         esac ;;
 397       mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
 398       # i386-pc-pe-coff != i386-pc-coff.
 399       i386-*-pe-coff)   ;;
 400       # Uncommenting the next line will turn on support for i386 AOUT
 401       # for the default linux configuration
 402       # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
 403       #
 404       i386-*-aout)      emulation="i386aout" ;;
 405       i386-*-coff)      emulation="i386coff" ;;
 406       i386-*-elf)       emulation="i386elf" ;;
 407
 408       # Always all formats.  The first stated emulation becomes the default.
 409       cris-*-*aout*)    emulation="crisaout criself" ;;
 410       cris-*-*)         emulation="criself crisaout" ;;
 411     esac
 412
 413     emulations="$emulations $emulation"
 414
 415 done
 416
 417 # Turn on all targets if possible
 418 if test ${all_targets} = "yes"; then
 419   case ${target_cpu_type} in
 420   i386)
 421     case ${obj_format} in
 422     aout)
 423       emulations="$emulations i386coff i386elf"
 424       ;;
 425     coff)
 426       emulations="$emulations i386aout i386elf"
 427     ;;
 428     elf)
 429       emulations="$emulations i386aout i386coff"
 430       ;;
 431     esac
 432   ;;
 433   esac
 434 fi
 435
 436 # Assign floating point type.  Most processors with FP support
 437 # IEEE FP.  On those that don't support FP at all, usually IEEE
 438 # is emulated.
 439 case ${target_cpu} in
 440   vax | tahoe ) atof=${target_cpu} ;;
 441   pdp11)        atof=vax ;;
 442   *)            atof=ieee ;;
 443 esac
 444
 445 case "${obj_format}" in
 446   "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
 447 esac
 448
 449 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
 450 cgen_cpu_prefix=""
 451 if test $using_cgen = yes ; then
 452   case ${target_cpu} in
 453     *) cgen_cpu_prefix=${target_cpu} ;;
 454   esac
 455   AC_SUBST(cgen_cpu_prefix)
 456   AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
 457 fi
 458
 459 dnl
 460 dnl Make sure the desired support files exist.
 461 dnl
 462
 463 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
 464   AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
 465 fi
 466
 467 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
 468   AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
 469 fi
 470
 471 case ${user_bfd_gas}-${primary_bfd_gas} in
 472   yes-yes | no-no)
 473     # We didn't override user's choice.
 474     ;;
 475   no-yes)
 476     AC_MSG_WARN(Use of BFD is required for ${target}; overriding config options.)
 477     ;;
 478   no-preferred)
 479     primary_bfd_gas=no
 480     ;;
 481   *-preferred)
 482     primary_bfd_gas=yes
 483     ;;
 484   yes-*)
 485     primary_bfd_gas=yes
 486     ;;
 487   -*)
 488     # User specified nothing.
 489     ;;
 490 esac
 491
 492 # Some COFF configurations want these random other flags set.
 493 case ${obj_format} in
 494   coff)
 495     case ${target_cpu_type} in
 496       i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
 497       m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
 498       m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
 499     esac
 500     ;;
 501 esac
 502
 503 # Getting this done right is going to be a bitch.  Each configuration specified
 504 # with --enable-targets=... should be checked for environment, format, cpu, and
 505 # bfd_gas setting.
 506 #
 507 # For each configuration, the necessary object file support code must be linked
 508 # in.  This might be only one, it might be up to four.  The necessary emulation
 509 # code needs to be provided, too.
 510 #
 511 # And then there's "--enable-targets=all"....
 512 #
 513 # For now, just always do it for MIPS ELF or ECOFF configurations.  Sigh.
 514
 515 formats="${obj_format}"
 516 emfiles=""
 517 EMULATIONS=""
 518 GAS_UNIQ(emulations)
 519 for em in . $emulations ; do
 520   case $em in
 521     .)  continue ;;
 522     mipsbelf | mipslelf | mipself)
 523         fmt=elf   file=mipself ;;
 524     mipsbecoff | mipslecoff | mipsecoff)
 525         fmt=ecoff file=mipsecoff ;;
 526     *coff)
 527         fmt=coff  file=$em ;;
 528     *aout)
 529         fmt=aout file=$em ;;
 530     *elf)
 531         fmt=elf file=$em ;;
 532   esac
 533   formats="$formats $fmt"
 534   emfiles="$emfiles e-$file.o"
 535   EMULATIONS="$EMULATIONS &$em,"
 536 done
 537 GAS_UNIQ(formats)
 538 GAS_UNIQ(emfiles)
 539 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
 540   for fmt in $formats ; do
 541     case $fmt in
 542       aout)     AC_DEFINE(OBJ_MAYBE_AOUT, 1,    [a.out support?])   ;;
 543       bout)     AC_DEFINE(OBJ_MAYBE_BOUT, 1,    [b.out support?])   ;;
 544       coff)     AC_DEFINE(OBJ_MAYBE_COFF, 1,    [COFF support?])    ;;
 545       ecoff)    AC_DEFINE(OBJ_MAYBE_ECOFF, 1,   [ECOFF support?])   ;;
 546       elf)      AC_DEFINE(OBJ_MAYBE_ELF, 1,     [ELF support?])     ;;
 547       generic)  AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
 548       hp300)    AC_DEFINE(OBJ_MAYBE_HP300, 1,   [HP300 support?])   ;;
 549       ieee)     AC_DEFINE(OBJ_MAYBE_IEEE, 1,    [IEEE support?])    ;;
 550       som)      AC_DEFINE(OBJ_MAYBE_SOM, 1,     [SOM support?])     ;;
 551     esac
 552     extra_objects="$extra_objects obj-$fmt.o"
 553   done
 554   obj_format=multi
 555 fi
 556 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
 557   DEFAULT_EMULATION=`set . $emulations ; echo $2`
 558   # e-mips* has more than one emulation per file, e-i386* has just one at the
 559   # moment.  If only one emulation is specified, then don't define
 560   # USE_EMULATIONS or include any of the e-files as they will only be bloat.
 561   case "${obj_format}${emfiles}" in
 562     multi* | *mips*)
 563       extra_objects="$extra_objects $emfiles"
 564       AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
 565   esac
 566 fi
 567 AC_SUBST(extra_objects)
 568 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
 569 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
 570                    [Default emulation.])
 571
 572 case ${primary_bfd_gas}-${target_cpu_type}-${obj_format} in
 573   yes-*-coff)   need_bfd=yes ;;
 574   no-*-coff)    need_bfd=yes
 575                 AC_DEFINE(MANY_SEGMENTS, 1, [old COFF support?]) ;;
 576 esac
 577
 578 reject_dev_configs=yes
 579
 580 case ${reject_dev_configs}-${dev} in
 581   yes-yes) # Oops.
 582     AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
 583     ;;
 584 esac
 585
 586 AC_SUBST(target_cpu_type)
 587 AC_SUBST(obj_format)
 588 AC_SUBST(te_file)
 589 AC_SUBST(install_tooldir)
 590 AC_SUBST(atof)
 591 dnl AC_SUBST(emulation)
 592
 593 case "${primary_bfd_gas}" in
 594   yes)  AC_DEFINE(BFD_ASSEMBLER, 1, [Use BFD interface?])
 595         need_bfd=yes ;;
 596 esac
 597
 598 # do we need the opcodes library?
 599 case "${need_opcodes}" in
 600 yes)
 601   OPCODES_LIB=../opcodes/libopcodes.la
 602   ;;
 603 esac
 604
 605 case "${need_bfd}" in
 606 yes)
 607   BFDLIB=../bfd/libbfd.la
 608   BFDVER_H=../bfd/bfdver.h
 609   ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'
 610   ;;
 611 esac
 612
 613 AC_SUBST(BFDLIB)
 614 AC_SUBST(OPCODES_LIB)
 615
 616 AC_SUBST(BFDVER_H)
 617 AC_SUBST(ALL_OBJ_DEPS)
 618
 619 AC_DEFINE_UNQUOTED(TARGET_ALIAS,        "${target_alias}", [Target alias.])
 620 AC_DEFINE_UNQUOTED(TARGET_CANONICAL,    "${target}",       [Canonical target.])
 621 AC_DEFINE_UNQUOTED(TARGET_CPU,          "${target_cpu}",   [Target CPU.])
 622 AC_DEFINE_UNQUOTED(TARGET_VENDOR,       "${target_vendor}", [Target vendor.])
 623 AC_DEFINE_UNQUOTED(TARGET_OS,           "${target_os}",    [Target OS.])
 624
 625 AC_PROG_CC
 626
 627 AC_PROG_YACC
 628 AM_PROG_LEX
 629
 630 ALL_LINGUAS="fr tr es"
 631 CY_GNU_GETTEXT
 632
 633 AM_MAINTAINER_MODE
 634 AC_EXEEXT
 635
 636 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
 637
 638 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
 639 # people who are not cross-compiling but are compiling cross-assemblers.
 640 AC_MSG_CHECKING(whether compiling a cross-assembler)
 641 if test "${host}" = "${target}"; then
 642   cross_gas=no
 643 else
 644   cross_gas=yes
 645   AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
 646 fi
 647 AC_MSG_RESULT($cross_gas)
 648
 649 dnl ansidecl.h will deal with const
 650 dnl AC_CONST
 651 AC_FUNC_ALLOCA
 652 AC_C_INLINE
 653
 654 # VMS doesn't have unlink.
 655 AC_CHECK_FUNCS(unlink remove, break)
 656
 657 # Some systems don't have sbrk().
 658 AC_CHECK_FUNCS(sbrk)
 659
 660 # do we need the math library?
 661 case "${need_libm}" in
 662 yes)
 663   AC_CHECK_LIBM
 664   AC_SUBST(LIBM)
 665   ;;
 666 esac
 667
 668 # Some non-ANSI preprocessors botch requoting inside strings.  That's bad
 669 # enough, but on some of those systems, the assert macro relies on requoting
 670 # working properly!
 671 GAS_WORKING_ASSERT
 672
 673 # On some systems, the system header files may not declare malloc, realloc,
 674 # and free.  There are places where gas needs these functions to have been
 675 # declared -- such as when taking their addresses.
 676 gas_test_headers="
 677 #ifdef HAVE_MEMORY_H
 678 #include <memory.h>
 679 #endif
 680 #ifdef HAVE_STRING_H
 681 #include <string.h>
 682 #else
 683 #ifdef HAVE_STRINGS_H
 684 #include <strings.h>
 685 #endif
 686 #endif
 687 #ifdef HAVE_STDLIB_H
 688 #include <stdlib.h>
 689 #endif
 690 #ifdef HAVE_UNISTD_H
 691 #include <unistd.h>
 692 #endif
 693 "
 694 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
 695 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
 696 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
 697 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
 698 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
 699
 700 # Does errno.h declare errno, or do we have to add a separate declaration
 701 # for it?
 702 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
 703 #ifdef HAVE_ERRNO_H
 704 #include <errno.h>
 705 #endif
 706 ])
 707
 708 dnl This must come last.
 709
 710 dnl We used to make symlinks to files in the source directory, but now
 711 dnl we just use the right name for .c files, and create .h files in
 712 dnl the build directory which include the right .h file.  Make sure
 713 dnl the old symlinks don't exist, so that a reconfigure in an existing
 714 dnl directory behaves reasonably.
 715
 716 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
 717 AC_CONFIG_COMMANDS([default],
 718 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
 719  echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
 720  echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
 721  echo '#include "te-'"${te_file}"'.h"' > targ-env.h
 722  echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
 723  if test "x$cgen_cpu_prefix" != x ; then
 724    echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
 725  fi
 726
 727  sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
 728 [target_cpu_type=${target_cpu_type}
 729  cgen_cpu_prefix=${cgen_cpu_prefix}
 730  obj_format=${obj_format}
 731  te_file=${te_file}])
 732
 733 AC_OUTPUT