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, ${BFD_VERSION})
  22
  23 AM_PROG_LIBTOOL
  24
  25 AC_ARG_ENABLE(targets,
  26 [    targets            alternative target configurations besides the primary],
  27 [case "${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 ${enableval} for BFD commonbfdlib option]) ;;
  39 esac])dnl
  40
  41 using_cgen=no
  42
  43 AM_BINUTILS_WARNINGS
  44
  45 # Generate a header file
  46 AM_CONFIG_HEADER(config.h:config.in)
  47
  48 # If we are on a DOS filesystem, we must use gdb.ini rather than
  49 # .gdbinit.
  50 case "${host}" in
  51   *-*-msdos* | *-*-go32* | *-*-mingw32* | *-*-windows*)
  52     GDBINIT="gdb.ini"
  53     AC_CONFIG_FILES(gdb.ini:gdbinit.in)
  54     ;;
  55   *)
  56     GDBINIT=".gdbinit"
  57     AC_CONFIG_FILES(.gdbinit:gdbinit.in)
  58     ;;
  59 esac
  60 AC_SUBST(GDBINIT)
  61
  62 #We need this for the host.  BOUT header is in host order.
  63 AC_C_BIGENDIAN
  64
  65 te_file=generic
  66
  67 # Makefile target for installing gas in $(tooldir)/bin.
  68 install_tooldir=install-exec-tooldir
  69
  70 canon_targets=""
  71 all_targets=no
  72 if test -n "$enable_targets" ; then
  73   for t in `echo $enable_targets | sed 's/,/ /g'`; do
  74     if test $t = "all"; then
  75       all_targets=yes
  76       continue
  77     fi
  78     result=`$ac_config_sub $t 2>/dev/null`
  79     if test -n "$result" ; then
  80       canon_targets="$canon_targets $result"
  81 #    else
  82 #      # Permit "all", etc.  We don't support it yet though.
  83 #      canon_targets="$canon_targets $t"
  84     fi
  85   done
  86   GAS_UNIQ(canon_targets)
  87 fi
  88
  89 emulations=""
  90
  91 for this_target in $target $canon_targets ; do
  92
  93     targ=${this_target}
  94     . ${srcdir}/configure.tgt
  95
  96     case ${target_cpu} in
  97       crisv32)
  98         AC_DEFINE_UNQUOTED(DEFAULT_CRIS_ARCH, $arch,
  99                            [Default CRIS architecture.])
 100         ;;
 101     esac
 102
 103     if test ${this_target} = $target ; then
 104       target_cpu_type=${cpu_type}
 105     elif test ${target_cpu_type} != ${cpu_type} ; then
 106       continue
 107     fi
 108
 109     generic_target=${cpu_type}-${target_vendor}-${target_os}
 110     case ${generic_target} in
 111       i386-*-sco3.2v5*)
 112         if test ${this_target} = $target; then
 113           AC_DEFINE(SCO_ELF, 1, [Define if defaulting to ELF on SCO 5.])
 114         fi
 115         ;;
 116
 117       i386-*-msdosdjgpp* \
 118       | i386-*-go32* \
 119       | i386-go32-rtems*)
 120         AC_DEFINE(STRICTCOFF, 1, [Using strict COFF?])
 121         ;;
 122
 123       i860-*-*)
 124         AC_MSG_WARN(GAS support for ${generic_target} is preliminary and a work in progress)
 125         ;;
 126
 127       mips-sony-bsd*)
 128         ;;
 129       mips-*-bsd*)
 130         AC_MSG_ERROR(Unknown vendor for mips-bsd configuration.)
 131         ;;
 132
 133       ppc-*-aix5.*)
 134         AC_DEFINE(AIX_WEAK_SUPPORT, 1,
 135                   [Define if using AIX 5.2 value for C_WEAKEXT.])
 136         ;;
 137       ppc-*-linux-*)
 138         case "$endian" in
 139           big)  ;;
 140           *)    AC_MSG_ERROR(GNU/Linux must be configured big endian) ;;
 141         esac
 142         ;;
 143       ppc-*-solaris*)
 144         if test ${this_target} = $target; then
 145           AC_DEFINE(TARGET_SOLARIS_COMMENT, 1,
 146                     [Define if default target is PowerPC Solaris.])
 147         fi
 148         if test x${endian} = xbig; then
 149           AC_MSG_ERROR(Solaris must be configured little endian)
 150         fi
 151         ;;
 152
 153       sh*-*-symbianelf*)
 154         AC_DEFINE(TARGET_SYMBIAN, 1, [Define if target is Symbian OS.])
 155         ;;
 156     esac
 157
 158     if test ${this_target} = $target ; then
 159       endian_def=
 160       if test x${endian} = xbig; then
 161         endian_def=1
 162       elif test x${endian} = xlittle; then
 163         endian_def=0
 164       fi
 165       if test x${endian_def} != x; then
 166         AC_DEFINE_UNQUOTED(TARGET_BYTES_BIG_ENDIAN, $endian_def,
 167                            [Define as 1 if big endian.])
 168       fi
 169     fi
 170
 171 # Other random stuff.
 172
 173     case ${cpu_type} in
 174       mips)
 175         # Set mips_cpu to the name of the default CPU.
 176         case ${target_cpu} in
 177           mips | mipsbe | mipseb | mipsle | mipsel | mips64 | mips64el)
 178             mips_cpu=from-abi
 179             ;;
 180           mipsisa32 | mipsisa32el)
 181             mips_cpu=mips32
 182             ;;
 183           mipsisa32r2 | mipsisa32r2el)
 184             mips_cpu=mips32r2
 185             ;;
 186           mipsisa64 | mipsisa64el)
 187             mips_cpu=mips64
 188             ;;
 189           mipsisa64r2 | mipsisa64r2el)
 190             mips_cpu=mips64r2
 191             ;;
 192           mipstx39 | mipstx39el)
 193             mips_cpu=r3900
 194             ;;
 195           mips64vr | mips64vrel)
 196             mips_cpu=vr4100
 197             ;;
 198           mipsisa32r2* | mipsisa64r2*)
 199 changequote(,)dnl
 200             mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..r2//' -e 's/el$//'`
 201 changequote([,])dnl
 202             ;;
 203           mips64* | mipsisa64* | mipsisa32*)
 204 changequote(,)dnl
 205             mips_cpu=`echo $target_cpu | sed -e 's/[a-z]*..//' -e 's/el$//'`
 206 changequote([,])dnl
 207             ;;
 208           *)
 209             AC_ERROR($target_cpu isn't a supported MIPS CPU name)
 210             ;;
 211         esac
 212         # See whether it's appropriate to set E_MIPS_ABI_O32 for o32
 213         # binaries.  It's a GNU extension that some OSes don't understand.
 214         # The value only matters on ELF targets.
 215         case ${target} in
 216           *-*-irix*)
 217             use_e_mips_abi_o32=0
 218             ;;
 219           *)
 220             use_e_mips_abi_o32=1
 221             ;;
 222         esac
 223         # Decide whether to generate 32-bit or 64-bit code by default.
 224         # Used to resolve -march=from-abi when an embedded ABI is selected.
 225         case ${target} in
 226           mips64*-*-* | mipsisa64*-*-*)
 227             mips_default_64bit=1
 228             ;;
 229           *)
 230             mips_default_64bit=0
 231             ;;
 232         esac
 233         # Decide which ABI to target by default.
 234         case ${target} in
 235           mips64*-linux* | mips-sgi-irix6*)
 236             mips_default_abi=N32_ABI
 237             ;;
 238           mips*-linux*)
 239             mips_default_abi=O32_ABI
 240             ;;
 241           mips64*-openbsd*)
 242             mips_default_abi=N64_ABI
 243             ;;
 244           *)
 245             mips_default_abi=NO_ABI
 246             ;;
 247         esac
 248         AC_DEFINE_UNQUOTED(MIPS_CPU_STRING_DEFAULT, "$mips_cpu",
 249                            [Default CPU for MIPS targets. ])
 250         AC_DEFINE_UNQUOTED(USE_E_MIPS_ABI_O32, $use_e_mips_abi_o32,
 251                            [Allow use of E_MIPS_ABI_O32 on MIPS targets. ])
 252         AC_DEFINE_UNQUOTED(MIPS_DEFAULT_64BIT, $mips_default_64bit,
 253                            [Generate 64-bit code by default on MIPS targets. ])
 254         AC_DEFINE_UNQUOTED(MIPS_DEFAULT_ABI, $mips_default_abi,
 255                            [Choose a default ABI for MIPS targets. ])
 256         ;;
 257     esac
 258
 259     # Do we need the opcodes library?
 260     case ${cpu_type} in
 261       vax | i386 | tic30)
 262         ;;
 263
 264       *)
 265         need_opcodes=yes
 266
 267         case "${enable_shared}" in
 268         yes) shared_opcodes=true ;;
 269         *opcodes*) shared_opcodes=true ;;
 270         *) shared_opcodes=false ;;
 271         esac
 272         ;;
 273     esac
 274
 275     # Any other special object files needed ?
 276     case ${cpu_type} in
 277
 278       bfin)
 279         echo ${extra_objects} | grep -s "bfin-parse.o"
 280         if test $? -ne 0 ; then
 281           extra_objects="$extra_objects bfin-parse.o"
 282         fi
 283
 284         echo ${extra_objects} | grep -s "bfin-lex.o"
 285         if test $? -ne 0 ; then
 286           extra_objects="$extra_objects bfin-lex.o"
 287         fi
 288         ;;
 289
 290       fr30 | ip2k | iq2000 | m32r | openrisc)
 291         using_cgen=yes
 292         ;;
 293
 294       m32c)
 295         using_cgen=yes
 296         ;;
 297       frv)
 298         using_cgen=yes
 299         ;;
 300       m68k)
 301         case ${extra_objects} in
 302         *m68k-parse.o*) ;;
 303         *) extra_objects="$extra_objects m68k-parse.o" ;;
 304         esac
 305         ;;
 306
 307       mips)
 308         echo ${extra_objects} | grep -s "itbl-parse.o"
 309         if test $? -ne 0 ; then
 310           extra_objects="$extra_objects itbl-parse.o"
 311         fi
 312
 313         echo ${extra_objects} | grep -s "itbl-lex.o"
 314         if test $? -ne 0 ; then
 315           extra_objects="$extra_objects itbl-lex.o"
 316         fi
 317
 318         echo ${extra_objects} | grep -s "itbl-ops.o"
 319         if test $? -ne 0 ; then
 320           extra_objects="$extra_objects itbl-ops.o"
 321         fi
 322         ;;
 323
 324       mt)
 325         using_cgen=yes
 326         ;;
 327
 328       i386 | s390 | sparc)
 329         if test $this_target = $target ; then
 330           AC_DEFINE_UNQUOTED(DEFAULT_ARCH, "${arch}", [Default architecture.])
 331         fi
 332         ;;
 333
 334       xstormy16)
 335         using_cgen=yes
 336         ;;
 337
 338       xtensa)
 339         echo ${extra_objects} | grep -s "xtensa-relax.o"
 340         if test $? -ne 0 ; then
 341           extra_objects="$extra_objects xtensa-relax.o"
 342         fi
 343         ;;
 344
 345       *)
 346         ;;
 347     esac
 348
 349     if test $using_cgen = yes ; then
 350         case "x${extra_objects}" in
 351         *cgen.o*) ;;
 352         *) extra_objects="$extra_objects cgen.o" ;;
 353         esac
 354     fi
 355
 356 # See if we really can support this configuration with the emulation code.
 357
 358     if test $this_target = $target ; then
 359       obj_format=$fmt
 360       te_file=$em
 361     fi
 362
 363 # From target name and format, produce a list of supported emulations.
 364
 365     case ${generic_target}-${fmt} in
 366       mips-*-irix5*-*)  emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
 367       mips*-*-linux*-*) case "$endian" in
 368                         big)    emulation="mipsbelf mipslelf mipself" ;;
 369                         *)      emulation="mipslelf mipsbelf mipself" ;;
 370                         esac ;;
 371       mips-*-lnews*-ecoff) ;;
 372       mips-*-*-ecoff)   case "$endian" in
 373                         big)    emulation="mipsbecoff mipslecoff mipsecoff" ;;
 374                         *)      emulation="mipslecoff mipsbecoff mipsecoff" ;;
 375                         esac ;;
 376       mips-*-*-elf)     case "$endian" in
 377                         big)    emulation="mipsbelf mipslelf mipself" ;;
 378                         *)      emulation="mipslelf mipsbelf mipself" ;;
 379                         esac ;;
 380       mips-*-sysv4*MP*-*) emulation="mipsbelf mipslelf mipself mipsbecoff mipslecoff mipsecoff" ;;
 381       # i386-pc-pe-coff != i386-pc-coff.
 382       i386-*-pe-coff)   ;;
 383       # Uncommenting the next line will turn on support for i386 AOUT
 384       # for the default linux configuration
 385       # i386-*-linux*-elf) emulation="i386elf i386aout" ;;
 386       #
 387       i386-*-aout)      emulation="i386aout" ;;
 388       i386-*-coff)      emulation="i386coff" ;;
 389       i386-*-elf)       emulation="i386elf" ;;
 390
 391       # Always all formats.  The first stated emulation becomes the default.
 392       cris-*-*aout*)    emulation="crisaout criself" ;;
 393       cris-*-*)         emulation="criself crisaout" ;;
 394     esac
 395
 396     emulations="$emulations $emulation"
 397
 398 done
 399
 400 # Turn on all targets if possible
 401 if test ${all_targets} = "yes"; then
 402   case ${target_cpu_type} in
 403   i386)
 404     case ${obj_format} in
 405     aout)
 406       emulations="$emulations i386coff i386elf"
 407       ;;
 408     coff)
 409       emulations="$emulations i386aout i386elf"
 410     ;;
 411     elf)
 412       emulations="$emulations i386aout i386coff"
 413       ;;
 414     esac
 415   ;;
 416   esac
 417 fi
 418
 419 # Assign floating point type.  Most processors with FP support
 420 # IEEE FP.  On those that don't support FP at all, usually IEEE
 421 # is emulated.
 422 case ${target_cpu} in
 423   vax | tahoe ) atof=${target_cpu} ;;
 424   pdp11)        atof=vax ;;
 425   *)            atof=ieee ;;
 426 esac
 427
 428 case "${obj_format}" in
 429   "") AC_MSG_ERROR(GAS does not know what format to use for target ${target}) ;;
 430 esac
 431
 432 # Unfortunately the cpu in cpu-opc.h file isn't always $(TARGET_CPU).
 433 cgen_cpu_prefix=""
 434 if test $using_cgen = yes ; then
 435   case ${target_cpu} in
 436     mt) cgen_cpu_prefix=ms1 ;;
 437     *) cgen_cpu_prefix=${target_cpu} ;;
 438   esac
 439   AC_SUBST(cgen_cpu_prefix)
 440   AC_DEFINE(USING_CGEN, 1, [Using cgen code?])
 441 fi
 442
 443 dnl
 444 dnl Make sure the desired support files exist.
 445 dnl
 446
 447 if test ! -r ${srcdir}/config/tc-${target_cpu_type}.c; then
 448   AC_MSG_ERROR(GAS does not support target CPU ${target_cpu_type})
 449 fi
 450
 451 if test ! -r ${srcdir}/config/obj-${obj_format}.c; then
 452   AC_MSG_ERROR(GAS does not have support for object file format ${obj_format})
 453 fi
 454
 455 # Some COFF configurations want these random other flags set.
 456 case ${obj_format} in
 457   coff)
 458     case ${target_cpu_type} in
 459       i386) AC_DEFINE(I386COFF, 1, [Using i386 COFF?]) ;;
 460       m68k) AC_DEFINE(M68KCOFF, 1, [Using m68k COFF?]) ;;
 461       m88k) AC_DEFINE(M88KCOFF, 1, [Using m88k COFF?]) ;;
 462     esac
 463     ;;
 464 esac
 465
 466 # Getting this done right is going to be a bitch.  Each configuration specified
 467 # with --enable-targets=... should be checked for environment, format, cpu
 468 # setting.
 469 #
 470 # For each configuration, the necessary object file support code must be linked
 471 # in.  This might be only one, it might be up to four.  The necessary emulation
 472 # code needs to be provided, too.
 473 #
 474 # And then there's "--enable-targets=all"....
 475 #
 476 # For now, just always do it for MIPS ELF or ECOFF configurations.  Sigh.
 477
 478 formats="${obj_format}"
 479 emfiles=""
 480 EMULATIONS=""
 481 GAS_UNIQ(emulations)
 482 for em in . $emulations ; do
 483   case $em in
 484     .)  continue ;;
 485     mipsbelf | mipslelf | mipself)
 486         fmt=elf   file=mipself ;;
 487     mipsbecoff | mipslecoff | mipsecoff)
 488         fmt=ecoff file=mipsecoff ;;
 489     *coff)
 490         fmt=coff  file=$em ;;
 491     *aout)
 492         fmt=aout file=$em ;;
 493     *elf)
 494         fmt=elf file=$em ;;
 495   esac
 496   formats="$formats $fmt"
 497   emfiles="$emfiles e-$file.o"
 498   EMULATIONS="$EMULATIONS &$em,"
 499 done
 500 GAS_UNIQ(formats)
 501 GAS_UNIQ(emfiles)
 502 if test `set . $formats ; shift ; echo $#` -gt 1 ; then
 503   for fmt in $formats ; do
 504     case $fmt in
 505       aout)     AC_DEFINE(OBJ_MAYBE_AOUT, 1,    [a.out support?])   ;;
 506       bout)     AC_DEFINE(OBJ_MAYBE_BOUT, 1,    [b.out support?])   ;;
 507       coff)     AC_DEFINE(OBJ_MAYBE_COFF, 1,    [COFF support?])    ;;
 508       ecoff)    AC_DEFINE(OBJ_MAYBE_ECOFF, 1,   [ECOFF support?])   ;;
 509       elf)      AC_DEFINE(OBJ_MAYBE_ELF, 1,     [ELF support?])     ;;
 510       generic)  AC_DEFINE(OBJ_MAYBE_GENERIC, 1, [generic support?]) ;;
 511       ieee)     AC_DEFINE(OBJ_MAYBE_IEEE, 1,    [IEEE support?])    ;;
 512       som)      AC_DEFINE(OBJ_MAYBE_SOM, 1,     [SOM support?])     ;;
 513     esac
 514     extra_objects="$extra_objects obj-$fmt.o"
 515   done
 516   obj_format=multi
 517 fi
 518 if test `set . $emfiles ; shift ; echo $#` -gt 0 ; then
 519   DEFAULT_EMULATION=`set . $emulations ; echo $2`
 520   # e-mips* has more than one emulation per file, e-i386* has just one at the
 521   # moment.  If only one emulation is specified, then don't define
 522   # USE_EMULATIONS or include any of the e-files as they will only be bloat.
 523   case "${obj_format}${emfiles}" in
 524     multi* | *mips*)
 525       extra_objects="$extra_objects $emfiles"
 526       AC_DEFINE(USE_EMULATIONS, 1, [Use emulation support?]) ;;
 527   esac
 528 fi
 529 AC_SUBST(extra_objects)
 530 AC_DEFINE_UNQUOTED(EMULATIONS, $EMULATIONS, [Supported emulations.])
 531 AC_DEFINE_UNQUOTED(DEFAULT_EMULATION, "$DEFAULT_EMULATION",
 532                    [Default emulation.])
 533
 534 reject_dev_configs=yes
 535
 536 case ${reject_dev_configs}-${dev} in
 537   yes-yes) # Oops.
 538     AC_MSG_ERROR(GAS does not support the ${generic_target} configuration.)
 539     ;;
 540 esac
 541
 542 AC_SUBST(target_cpu_type)
 543 AC_SUBST(obj_format)
 544 AC_SUBST(te_file)
 545 AC_SUBST(install_tooldir)
 546 AC_SUBST(atof)
 547 dnl AC_SUBST(emulation)
 548
 549 # do we need the opcodes library?
 550 case "${need_opcodes}" in
 551 yes)
 552   OPCODES_LIB=../opcodes/libopcodes.la
 553   ;;
 554 esac
 555
 556 BFDLIB=../bfd/libbfd.la
 557 BFDVER_H=../bfd/bfdver.h
 558 ALL_OBJ_DEPS="$ALL_OBJ_DEPS"' ../bfd/bfd.h $(INCDIR)/symcat.h'
 559
 560 AC_SUBST(BFDLIB)
 561 AC_SUBST(OPCODES_LIB)
 562
 563 AC_SUBST(BFDVER_H)
 564 AC_SUBST(ALL_OBJ_DEPS)
 565
 566 AC_DEFINE_UNQUOTED(TARGET_ALIAS,        "${target_alias}", [Target alias.])
 567 AC_DEFINE_UNQUOTED(TARGET_CANONICAL,    "${target}",       [Canonical target.])
 568 AC_DEFINE_UNQUOTED(TARGET_CPU,          "${target_cpu}",   [Target CPU.])
 569 AC_DEFINE_UNQUOTED(TARGET_VENDOR,       "${target_vendor}", [Target vendor.])
 570 AC_DEFINE_UNQUOTED(TARGET_OS,           "${target_os}",    [Target OS.])
 571
 572 AC_PROG_CC
 573
 574 AC_PROG_YACC
 575 AM_PROG_LEX
 576
 577 ALL_LINGUAS="fr tr es rw"
 578 CY_GNU_GETTEXT
 579
 580 AM_MAINTAINER_MODE
 581 AC_EXEEXT
 582
 583 AC_CHECK_HEADERS(string.h stdlib.h memory.h strings.h unistd.h stdarg.h varargs.h errno.h sys/types.h)
 584
 585 # Put this here so that autoconf's "cross-compiling" message doesn't confuse
 586 # people who are not cross-compiling but are compiling cross-assemblers.
 587 AC_MSG_CHECKING(whether compiling a cross-assembler)
 588 if test "${host}" = "${target}"; then
 589   cross_gas=no
 590 else
 591   cross_gas=yes
 592   AC_DEFINE(CROSS_COMPILE, 1, [Compiling cross-assembler?])
 593 fi
 594 AC_MSG_RESULT($cross_gas)
 595
 596 dnl ansidecl.h will deal with const
 597 dnl AC_CONST
 598 AC_FUNC_ALLOCA
 599 AC_C_INLINE
 600
 601 # VMS doesn't have unlink.
 602 AC_CHECK_FUNCS(unlink remove, break)
 603
 604 # Some systems don't have sbrk().
 605 AC_CHECK_FUNCS(sbrk)
 606
 607 # do we need the math library?
 608 case "${need_libm}" in
 609 yes)
 610   AC_CHECK_LIBM
 611   AC_SUBST(LIBM)
 612   ;;
 613 esac
 614
 615 # Some non-ANSI preprocessors botch requoting inside strings.  That's bad
 616 # enough, but on some of those systems, the assert macro relies on requoting
 617 # working properly!
 618 GAS_WORKING_ASSERT
 619
 620 # On some systems, the system header files may not declare malloc, realloc,
 621 # and free.  There are places where gas needs these functions to have been
 622 # declared -- such as when taking their addresses.
 623 gas_test_headers="
 624 #ifdef HAVE_MEMORY_H
 625 #include <memory.h>
 626 #endif
 627 #ifdef HAVE_STRING_H
 628 #include <string.h>
 629 #else
 630 #ifdef HAVE_STRINGS_H
 631 #include <strings.h>
 632 #endif
 633 #endif
 634 #ifdef HAVE_STDLIB_H
 635 #include <stdlib.h>
 636 #endif
 637 #ifdef HAVE_UNISTD_H
 638 #include <unistd.h>
 639 #endif
 640 "
 641
 642 # Does errno.h declare errno, or do we have to add a separate declaration
 643 # for it?
 644 GAS_CHECK_DECL_NEEDED(errno, f, int f, [
 645 #ifdef HAVE_ERRNO_H
 646 #include <errno.h>
 647 #endif
 648 ])
 649
 650 AC_MSG_CHECKING(for a known getopt prototype in unistd.h)
 651 AC_CACHE_VAL(gas_cv_decl_getopt_unistd_h,
 652 [AC_TRY_COMPILE([#include <unistd.h>], [extern int getopt (int, char *const*, const char *);],
 653 gas_cv_decl_getopt_unistd_h=yes, gas_cv_decl_getopt_unistd_h=no)])
 654 AC_MSG_RESULT($gas_cv_decl_getopt_unistd_h)
 655 if test $gas_cv_decl_getopt_unistd_h = yes; then
 656   AC_DEFINE([HAVE_DECL_GETOPT], 1,
 657             [Is the prototype for getopt in <unistd.h> in the expected format?])
 658 fi
 659
 660 GAS_CHECK_DECL_NEEDED(environ, f, char **f, $gas_test_headers)
 661 GAS_CHECK_DECL_NEEDED(ffs, f, int (*f)(int), $gas_test_headers)
 662 GAS_CHECK_DECL_NEEDED(free, f, void (*f)(), $gas_test_headers)
 663 GAS_CHECK_DECL_NEEDED(malloc, f, char *(*f)(), $gas_test_headers)
 664 GAS_CHECK_DECL_NEEDED(sbrk, f, char *(*f)(), $gas_test_headers)
 665 GAS_CHECK_DECL_NEEDED(strstr, f, char *(*f)(), $gas_test_headers)
 666
 667 dnl This must come last.
 668
 669 dnl We used to make symlinks to files in the source directory, but now
 670 dnl we just use the right name for .c files, and create .h files in
 671 dnl the build directory which include the right .h file.  Make sure
 672 dnl the old symlinks don't exist, so that a reconfigure in an existing
 673 dnl directory behaves reasonably.
 674
 675 AC_CONFIG_FILES(Makefile doc/Makefile po/Makefile.in:po/Make-in)
 676 AC_CONFIG_COMMANDS([default],
 677 [rm -f targ-cpu.c targ-cpu.h obj-format.h obj-format.c targ-env.h atof-targ.c itbl-cpu.h
 678  echo '#include "tc-'"${target_cpu_type}"'.h"' > targ-cpu.h
 679  echo '#include "obj-'"${obj_format}"'.h"' > obj-format.h
 680  echo '#include "te-'"${te_file}"'.h"' > targ-env.h
 681  echo '#include "itbl-'"${target_cpu_type}"'.h"' > itbl-cpu.h
 682  if test "x$cgen_cpu_prefix" != x ; then
 683    echo '#include "opcodes/'"${cgen_cpu_prefix}"'-desc.h"' > cgen-desc.h
 684  fi
 685
 686  sed -e '/POTFILES =/r po/POTFILES' po/Makefile.in > po/Makefile],
 687 [target_cpu_type=${target_cpu_type}
 688  cgen_cpu_prefix=${cgen_cpu_prefix}
 689  obj_format=${obj_format}
 690  te_file=${te_file}])
 691
 692 AC_OUTPUT