gdb/configure.ac

   1 dnl Autoconf configure script for GDB, the GNU debugger.
   2 dnl Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   3 dnl 2005, 2006
   4 dnl Free Software Foundation, Inc.
   5 dnl
   6 dnl This file is part of GDB.
   7 dnl
   8 dnl This program 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 2 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; if not, write to the Free Software
  20 dnl Foundation, Inc., 51 Franklin Street, Fifth Floor,
  21 dnl Boston, MA 02110-1301, USA.
  22
  23 dnl Process this file with autoconf to produce a configure script.
  24
  25 AC_PREREQ(2.59)dnl
  26 AC_INIT(main.c)
  27 AC_CONFIG_HEADER(config.h:config.in)
  28 AM_MAINTAINER_MODE
  29
  30 AC_PROG_CC
  31 AC_GNU_SOURCE
  32 AC_AIX
  33 AC_ISC_POSIX
  34 AM_PROG_CC_STDC
  35
  36 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
  37 AC_CANONICAL_SYSTEM
  38
  39 dnl List of object files and targets accumulated by configure.
  40
  41 CONFIG_OBS=
  42 CONFIG_DEPS=
  43 CONFIG_SRCS=
  44 ENABLE_CFLAGS=
  45
  46 CONFIG_ALL=
  47 CONFIG_CLEAN=
  48 CONFIG_INSTALL=
  49 CONFIG_UNINSTALL=
  50
  51 dnl Set up for gettext.
  52 ZW_GNU_GETTEXT_SISTER_DIR
  53
  54 localedir='${datadir}/locale'
  55 AC_SUBST(localedir)
  56
  57 if test x"$USE_NLS" = xyes; then
  58    CONFIG_ALL="$CONFIG_ALL all-po"
  59    CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
  60    CONFIG_INSTALL="$CONFIG_INSTALL install-po"
  61    CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
  62 fi
  63
  64 PACKAGE=gdb
  65 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
  66 AC_SUBST(PACKAGE)
  67
  68 debugdir=${libdir}/debug
  69
  70 AC_ARG_WITH(separate-debug-dir,
  71 [  --with-separate-debug-dir=path   Look for global separate debug info in this path [LIBDIR/debug]],
  72 [debugdir="${withval}"])
  73
  74 AC_DEFINE_DIR(DEBUGDIR, debugdir,
  75               [Global directory for separate debug files. ])
  76 #AC_DEFINE_UNQUOTED(DEBUGDIR, "$debugdir"),
  77
  78 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
  79   if test "x$prefix" = xNONE; then
  80     test_prefix=/usr/local
  81   else
  82     test_prefix=$prefix
  83   fi
  84 else
  85   test_prefix=$exec_prefix
  86 fi
  87 case ${debugdir} in
  88 "${test_prefix}"|"${test_prefix}/"*|\
  89 '${exec_prefix}'|'${exec_prefix}/'*)
  90   AC_DEFINE(DEBUGDIR_RELOCATABLE, 1, [Define if the debug directory should be relocated when GDB is moved.])
  91   ;;
  92 esac
  93
  94 AC_CONFIG_SUBDIRS(doc testsuite)
  95
  96 # Provide defaults for some variables set by the per-host and per-target
  97 # configuration.
  98 gdb_host_obs=posix-hdep.o
  99
 100 if test "${target}" = "${host}"; then
 101   gdb_native=yes
 102 else
 103   gdb_native=no
 104 fi
 105
 106 . $srcdir/configure.host
 107
 108 . $srcdir/configure.tgt
 109
 110 # Fetch the default architecture and default target vector from BFD.
 111 targ=$target; . $srcdir/../bfd/config.bfd
 112
 113 # We only want the first architecture, so strip off the others if
 114 # there is more than one.
 115 targ_archs=`echo $targ_archs | sed 's/ .*//'`
 116
 117 if test "x$targ_archs" != x; then
 118   AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
 119     [Define to BFD's default architecture. ])
 120 fi
 121 if test "x$targ_defvec" != x; then
 122   AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
 123     [Define to BFD's default target vector. ])
 124 fi
 125
 126 AC_ARG_PROGRAM
 127
 128 # The CLI cannot be disabled yet, but may be in the future.
 129
 130 # Enable CLI.
 131 AC_ARG_ENABLE(gdbcli,
 132 [  --disable-gdbcli        disable command-line interface (CLI)],
 133   [case $enableval in
 134     yes)
 135       ;;
 136     no)
 137       AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
 138     *)
 139       AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
 140   esac],
 141   [enable_gdbcli=yes])
 142 if test x"$enable_gdbcli" = xyes; then
 143   if test -d $srcdir/cli; then
 144     CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
 145     CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
 146     CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
 147     ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
 148   fi
 149 fi
 150
 151 # Enable MI.
 152 AC_ARG_ENABLE(gdbmi,
 153 [  --disable-gdbmi         disable machine-interface (MI)],
 154   [case $enableval in
 155     yes | no)
 156       ;;
 157     *)
 158       AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
 159   esac],
 160   [enable_gdbmi=yes])
 161 if test x"$enable_gdbmi" = xyes; then
 162   if test -d $srcdir/mi; then
 163     CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
 164     CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
 165     CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
 166     ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
 167   fi
 168 fi
 169
 170 # Enable TUI.
 171 AC_ARG_ENABLE(tui,
 172 [  --enable-tui            enable full-screen terminal user interface (TUI)],
 173   [case $enableval in
 174     yes | no)
 175       ;;
 176     *)
 177       AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
 178   esac],enable_tui=yes)
 179
 180 # Enable gdbtk.
 181 AC_ARG_ENABLE(gdbtk,
 182 [  --enable-gdbtk          enable gdbtk graphical user interface (GUI)],
 183   [case $enableval in
 184     yes | no)
 185       ;;
 186     *)
 187       AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
 188   esac],
 189   [if test -d $srcdir/gdbtk -a -d $srcdir/../itcl; then
 190     enable_gdbtk=yes
 191   else
 192     enable_gdbtk=no
 193   fi])
 194 # We unconditionally disable gdbtk tests on selected platforms.
 195 case $host_os in
 196   go32* | windows*)
 197     AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
 198     enable_gdbtk=no ;;
 199 esac
 200
 201 # Libunwind support.
 202 AC_ARG_WITH(libunwind,
 203 [  --with-libunwind            Use libunwind frame unwinding support],
 204 [case "${withval}" in
 205   yes)  enable_libunwind=yes ;;
 206   no)   enable_libunwind=no ;;
 207   *)    AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
 208 esac],[
 209   AC_CHECK_HEADERS(libunwind.h)
 210   AC_CHECK_HEADERS(libunwind-ia64.h)
 211   if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
 212     enable_libunwind=yes;
 213   fi
 214 ])
 215
 216 if test x"$enable_libunwind" = xyes; then
 217   AC_CHECK_HEADERS(libunwind.h)
 218   AC_CHECK_HEADERS(libunwind-ia64.h)
 219   AC_DEFINE(HAVE_LIBUNWIND, 1, [Define if libunwind library is being used.])
 220   CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
 221   CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
 222   CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
 223 fi
 224
 225 # Profiling support.
 226 AC_ARG_ENABLE(profiling,
 227 [  --enable-profiling      enable profiling of GDB],
 228   [case $enableval in
 229     yes | no)
 230       ;;
 231     *)
 232       AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
 233   esac],
 234  [enable_profiling=no])
 235
 236 AC_CHECK_FUNCS(monstartup _mcleanup)
 237 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
 238 [AC_TRY_LINK(
 239 [#include <stdlib.h>
 240 extern char _etext;
 241 ],
 242 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
 243 if test $ac_cv_var__etext = yes; then
 244   AC_DEFINE(HAVE__ETEXT, 1,
 245             [Define to 1 if your system has the _etext variable. ])
 246 fi
 247 if test "$enable_profiling" = yes ; then
 248   if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
 249     AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
 250   fi
 251   PROFILE_CFLAGS=-pg
 252   OLD_CFLAGS="$CFLAGS"
 253   CFLAGS="$CFLAGS $PROFILE_CFLAGS"
 254
 255   AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
 256     [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
 257      ac_cv_cc_supports_pg=no)])
 258
 259   if test $ac_cv_cc_supports_pg = no; then
 260     AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
 261   fi
 262
 263   CFLAGS="$OLD_CFLAGS"
 264 fi
 265
 266 # --------------------- #
 267 # Checks for programs.  #
 268 # --------------------- #
 269
 270 AC_PROG_AWK
 271 AC_PROG_INSTALL
 272 AC_PROG_LN_S
 273 AC_PROG_RANLIB
 274 AC_PROG_YACC
 275
 276 AC_CHECK_TOOL(AR, ar)
 277 AC_CHECK_TOOL(DLLTOOL, dlltool)
 278 AC_CHECK_TOOL(WINDRES, windres)
 279
 280 # Needed for GNU/Hurd.
 281 AC_CHECK_TOOL(MIG, mig)
 282
 283 # ---------------------- #
 284 # Checks for libraries.  #
 285 # ---------------------- #
 286
 287 # We might need to link with -lm; most simulators need it.
 288 AC_CHECK_LIB(m, main)
 289
 290 # We need to link with -lw to get `wctype' on Solaris before Solaris
 291 # 2.6.  Solaris 2.6 and beyond have this function in libc, and have a
 292 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
 293 # is known to have this problem).  Therefore we avoid libw if we can.
 294 AC_CHECK_FUNC(wctype, [],
 295   [AC_CHECK_LIB(w, wctype)])
 296
 297 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
 298 AC_SEARCH_LIBS(gethostbyname, nsl)
 299
 300 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
 301 AC_SEARCH_LIBS(socketpair, socket)
 302
 303 # For the TUI, we need enhanced curses functionality.
 304 #
 305 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
 306 # curses library because the latter might not provide all the
 307 # functionality we need.  However, this leads to problems on systems
 308 # where the linker searches /usr/local/lib, but the compiler doesn't
 309 # search /usr/local/include, if ncurses is installed in /usr/local.  A
 310 # default installation of ncurses on alpha*-dec-osf* will lead to such
 311 # a situation.
 312 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
 313
 314 # Since GDB uses Readline, we need termcap functionality.  In many
 315 # cases this will be provided by the curses library, but some systems
 316 # have a seperate termcap library, or no curses library at all.
 317
 318 case $host_os in
 319   cygwin*)
 320     if test -d $srcdir/libtermcap; then
 321       LIBS="../libtermcap/libtermcap.a $LIBS"
 322       ac_cv_search_tgetent="../libtermcap/libtermcap.a"
 323     fi ;;
 324   go32* | *djgpp*)
 325     ac_cv_search_tgetent="none required"
 326     ;;
 327   *mingw32*)
 328     ac_cv_search_tgetent="none required"
 329     CONFIG_OBS="$CONFIG_OBS win32-termcap.o"
 330     ;;
 331 esac
 332
 333 # These are the libraries checked by Readline.
 334 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
 335
 336 if test "$ac_cv_search_tgetent" = no; then
 337   AC_MSG_ERROR([no termcap library found])
 338 fi
 339
 340 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
 341                       [XML_Parser p = XML_ParserCreate (0);])
 342 if test "$HAVE_LIBEXPAT" != yes; then
 343   AC_MSG_WARN([expat is missing or unusable; some features may be disabled.])
 344 else
 345   save_LIBS=$LIBS
 346   LIBS="$LIBS $LIBEXPAT"
 347   AC_CHECK_FUNCS(XML_StopParser)
 348   LIBS=$save_LIBS
 349 fi
 350
 351 # ------------------------- #
 352 # Checks for header files.  #
 353 # ------------------------- #
 354
 355 AC_HEADER_DIRENT
 356 AC_HEADER_STAT
 357 AC_HEADER_STDC
 358 AC_CHECK_HEADERS(nlist.h)
 359 AC_CHECK_HEADERS(link.h, [], [],
 360 [#if HAVE_SYS_TYPES_H
 361 # include <sys/types.h>
 362 #endif
 363 #if HAVE_NLIST_H
 364 # include <nlist.h>
 365 #endif
 366 ])
 367 AC_CHECK_HEADERS(machine/reg.h)
 368 AC_CHECK_HEADERS(poll.h sys/poll.h)
 369 AC_CHECK_HEADERS(proc_service.h thread_db.h gnu/libc-version.h)
 370 AC_CHECK_HEADERS(signal.h)
 371 AC_CHECK_HEADERS(stddef.h)
 372 AC_CHECK_HEADERS(stdlib.h)
 373 AC_CHECK_HEADERS(stdint.h)
 374 AC_CHECK_HEADERS(string.h memory.h strings.h)
 375 AC_CHECK_HEADERS(sys/fault.h)
 376 AC_CHECK_HEADERS(sys/file.h)
 377 AC_CHECK_HEADERS(sys/filio.h)
 378 AC_CHECK_HEADERS(sys/ioctl.h)
 379 AC_CHECK_HEADERS(sys/param.h)
 380 AC_CHECK_HEADERS(sys/resource.h)
 381 AC_CHECK_HEADERS(sys/proc.h, [], [],
 382 [#if HAVE_SYS_PARAM_H
 383 # include <sys/param.h>
 384 #endif
 385 ])
 386 AC_CHECK_HEADERS(sys/procfs.h)
 387 AC_CHECK_HEADERS(sys/ptrace.h ptrace.h)
 388 AC_CHECK_HEADERS(sys/reg.h sys/debugreg.h)
 389 AC_CHECK_HEADERS(sys/select.h)
 390 AC_CHECK_HEADERS(sys/syscall.h)
 391 AC_CHECK_HEADERS(sys/types.h)
 392 AC_CHECK_HEADERS(sys/user.h, [], [],
 393 [#if HAVE_SYS_PARAM_H
 394 # include <sys/param.h>
 395 #endif
 396 ])
 397 AC_CHECK_HEADERS(sys/wait.h wait.h)
 398 AC_CHECK_HEADERS(termios.h termio.h sgtty.h)
 399 AC_CHECK_HEADERS(unistd.h)
 400
 401 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
 402 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
 403 # think that we don't have <curses.h> if we're using GCC.
 404 case $host_os in
 405   solaris2.[[789]])
 406     if test "$GCC" = yes; then
 407       AC_DEFINE(_MSE_INT_H, 1,
 408         [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
 409    Solaris 2.[789] when using GCC. ])
 410     fi ;;
 411 esac
 412 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h)
 413 AC_CHECK_HEADERS(ncurses/term.h)
 414 AC_CHECK_HEADERS(term.h, [], [],
 415 [#if HAVE_CURSES_H
 416 # include <curses.h>
 417 #endif
 418 ])
 419
 420 # FIXME: kettenis/20030102: In most cases we include these
 421 # unconditionally, so what's the point in checking these?
 422 AC_CHECK_HEADERS(ctype.h time.h)
 423
 424 # Create a header we can use portably to get the standard integer types.
 425 GCC_HEADER_STDINT(gdb_stdint.h)
 426
 427 # ------------------------- #
 428 # Checks for declarations.  #
 429 # ------------------------- #
 430
 431 AC_CHECK_DECLS([free, malloc, realloc])
 432 AC_CHECK_DECLS([strerror, strstr])
 433 AC_CHECK_DECLS([getopt, snprintf, vsnprintf])
 434
 435 # ----------------------- #
 436 # Checks for structures.  #
 437 # ----------------------- #
 438
 439 AC_CHECK_MEMBERS([struct stat.st_blocks])
 440 AC_CHECK_MEMBERS([struct stat.st_blksize])
 441
 442 # ------------------ #
 443 # Checks for types.  #
 444 # ------------------ #
 445
 446 AC_TYPE_SIGNAL
 447 AC_CHECK_TYPES(socklen_t, [], [],
 448 [#include <sys/types.h>
 449 #include <sys/socket.h>
 450 ])
 451 AC_CHECK_TYPES(uintptr_t, [], [], [#include <stdint.h>])
 452
 453 # ------------------------------------- #
 454 # Checks for compiler characteristics.  #
 455 # ------------------------------------- #
 456
 457 AC_C_CONST
 458 AC_C_INLINE
 459
 460 # ------------------------------ #
 461 # Checks for library functions.  #
 462 # ------------------------------ #
 463
 464 AC_FUNC_ALLOCA
 465 AC_FUNC_MMAP
 466 AC_FUNC_VFORK
 467 AC_CHECK_FUNCS(canonicalize_file_name realpath)
 468 AC_CHECK_FUNCS(getrusage)
 469 AC_CHECK_FUNCS(getuid getgid)
 470 AC_CHECK_FUNCS(poll)
 471 AC_CHECK_FUNCS(pread64)
 472 AC_CHECK_FUNCS(sbrk)
 473 AC_CHECK_FUNCS(setpgid setpgrp)
 474 AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask)
 475 AC_CHECK_FUNCS(socketpair)
 476 AC_CHECK_FUNCS(syscall)
 477 AC_CHECK_FUNCS(ttrace)
 478 AC_CHECK_FUNCS(wborder)
 479
 480 # Check the return and argument types of ptrace.  No canned test for
 481 # this, so roll our own.
 482 gdb_ptrace_headers='
 483 #if HAVE_SYS_TYPES_H
 484 # include <sys/types.h>
 485 #endif
 486 #if HAVE_SYS_PTRACE_H
 487 # include <sys/ptrace.h>
 488 #endif
 489 #if HAVE_UNISTD_H
 490 # include <unistd.h>
 491 #endif
 492 '
 493 # There is no point in checking if we don't have a prototype.
 494 AC_CHECK_DECLS(ptrace, [], [
 495   : ${gdb_cv_func_ptrace_ret='int'}
 496   : ${gdb_cv_func_ptrace_args='int,int,long,long'}
 497 ], $gdb_ptrace_headers)
 498 # Check return type.
 499 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
 500   AC_TRY_COMPILE($gdb_ptrace_headers,
 501     [extern int ptrace ();],
 502     gdb_cv_func_ptrace_ret='int',
 503     gdb_cv_func_ptrace_ret='long'))
 504 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
 505   [Define as the return type of ptrace.])
 506 # Check argument types.
 507 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
 508 for gdb_arg1 in 'int' 'long'; do
 509  for gdb_arg2 in 'pid_t' 'int' 'long'; do
 510   for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long'; do
 511    for gdb_arg4 in 'int' 'long'; do
 512      AC_TRY_COMPILE($gdb_ptrace_headers, [
 513 extern $gdb_cv_func_ptrace_ret
 514   ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
 515 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
 516     break 4;])
 517     for gdb_arg5 in 'int *' 'int' 'long'; do
 518      AC_TRY_COMPILE($gdb_ptrace_headers, [
 519 extern $gdb_cv_func_ptrace_ret
 520   ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
 521 ], [
 522 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
 523     break 5;])
 524     done
 525    done
 526   done
 527  done
 528 done
 529 # Provide a safe default value.
 530 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
 531 ])
 532 ac_save_IFS=$IFS; IFS=','
 533 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
 534 IFS=$ac_save_IFS
 535 shift
 536 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
 537   [Define to the type of arg 3 for ptrace.])
 538 if test -n "$[5]"; then
 539   AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
 540     [Define to the type of arg 5 for ptrace.])
 541 fi
 542
 543 dnl AC_FUNC_SETPGRP does not work when cross compiling
 544 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
 545 if test "$cross_compiling" = no; then
 546   AC_FUNC_SETPGRP
 547 else
 548   AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
 549     [AC_TRY_COMPILE([
 550 #include <unistd.h>
 551 ], [
 552   if (setpgrp(1,1) == -1)
 553     exit (0);
 554   else
 555     exit (1);
 556 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
 557 if test $ac_cv_func_setpgrp_void = yes; then
 558   AC_DEFINE(SETPGRP_VOID, 1)
 559 fi
 560 fi
 561
 562 # Check if sigsetjmp is available.  Using AC_CHECK_FUNCS won't do
 563 # since sigsetjmp might only be defined as a macro.
 564 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
 565 [AC_TRY_COMPILE([
 566 #include <setjmp.h>
 567 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
 568 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
 569 if test $gdb_cv_func_sigsetjmp = yes; then
 570   AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
 571 fi
 572
 573 # Assume we'll default to using the included libiberty regex.
 574 gdb_use_included_regex=yes
 575
 576 # However, if the system regex is GNU regex, then default to *not*
 577 # using the included regex.
 578 AC_CACHE_CHECK(
 579   [for GNU regex],
 580   [gdb_cv_have_gnu_regex],
 581   [AC_TRY_COMPILE(
 582     [#include <gnu-versions.h>],
 583     [#define REGEX_INTERFACE_VERSION 1
 584 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
 585 # error "Version mismatch"
 586 #endif],
 587     gdb_cv_have_gnu_regex=yes,
 588     gdb_cv_have_gnu_regex=no)])
 589 if test $gdb_cv_have_gnu_regex = yes; then
 590   gdb_use_included_regex=no
 591 fi
 592
 593 AC_ARG_WITH(included-regex,
 594   [  --without-included-regex don't use included regex; this is the default
 595                           on systems with version 2 of the GNU C library
 596                           (use with caution on other system)],
 597   gdb_with_regex=$withval,
 598   gdb_with_regex=$gdb_use_included_regex)
 599 if test "$gdb_with_regex" = yes; then
 600   AC_DEFINE(USE_INCLUDED_REGEX, 1,
 601     [Define to 1 if the regex included in libiberty should be used.])
 602 fi
 603
 604 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
 605 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
 606 [#include <sys/param.h>
 607 #include <sys/proc.h>
 608 ])
 609
 610 # See if <sys/lwp.h> defines `struct lwp`.
 611 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
 612 [AC_TRY_COMPILE([#include <sys/param.h>
 613 #include <sys/lwp.h>], [struct lwp l;],
 614 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
 615 if test $gdb_cv_struct_lwp = yes; then
 616   AC_DEFINE(HAVE_STRUCT_LWP, 1,
 617             [Define to 1 if your system has struct lwp.])
 618 fi
 619
 620 # See if <machine/reg.h> degines `struct reg'.
 621 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
 622 [AC_TRY_COMPILE([#include <sys/types.h>
 623 #include <machine/reg.h>], [struct reg r;],
 624 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
 625 if test $gdb_cv_struct_reg = yes; then
 626   AC_DEFINE(HAVE_STRUCT_REG, 1,
 627             [Define to 1 if your system has struct reg in <machine/reg.h>.])
 628 fi
 629
 630 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
 631 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
 632 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
 633                  [#include <machine/reg.h>])
 634
 635 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
 636 AC_MSG_CHECKING(for PTRACE_GETREGS)
 637 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
 638 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
 639                 [PTRACE_GETREGS;],
 640                 [gdb_cv_have_ptrace_getregs=yes],
 641                 [gdb_cv_have_ptrace_getregs=no])])
 642 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
 643 if test $gdb_cv_have_ptrace_getregs = yes; then
 644   AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
 645   [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
 646 fi
 647
 648 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
 649 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
 650 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
 651 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
 652                 [PTRACE_GETFPXREGS;],
 653                 [gdb_cv_have_ptrace_getfpxregs=yes],
 654                 [gdb_cv_have_ptrace_getfpxregs=no])])
 655 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
 656 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
 657   AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
 658   [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
 659 fi
 660
 661 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
 662 AC_MSG_CHECKING(for PT_GETDBREGS)
 663 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
 664 [AC_TRY_COMPILE([#include <sys/types.h>
 665 #include <sys/ptrace.h>],
 666                 [PT_GETDBREGS;],
 667                 [gdb_cv_have_pt_getdbregs=yes],
 668                 [gdb_cv_have_pt_getdbregs=no])])
 669 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
 670 if test $gdb_cv_have_pt_getdbregs = yes; then
 671   AC_DEFINE(HAVE_PT_GETDBREGS, 1,
 672   [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
 673 fi
 674
 675 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
 676 AC_MSG_CHECKING(for PT_GETXMMREGS)
 677 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
 678 [AC_TRY_COMPILE([#include <sys/types.h>
 679 #include <sys/ptrace.h>],
 680                 [PT_GETXMMREGS;],
 681                 [gdb_cv_have_pt_getxmmregs=yes],
 682                 [gdb_cv_have_pt_getxmmregs=no])])
 683 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
 684 if test $gdb_cv_have_pt_getxmmregs = yes; then
 685   AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
 686   [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
 687 fi
 688
 689 # If we are configured native on GNU/Linux, work around problems with
 690 # sys/procfs.h
 691 # Also detect which type of /proc is in use, such as for Unixware or Solaris.
 692
 693 if test "${target}" = "${host}"; then
 694   case "${host}" in
 695   i[[3456]]86-*-linux*)
 696         AC_DEFINE(START_INFERIOR_TRAPS_EXPECTED, 2,
 697         [Define on a GNU/Linux system to work around problems in sys/procfs.h.])
 698         AC_DEFINE(sys_quotactl, 1,
 699         [Define on a GNU/Linux system to work around problems in sys/procfs.h.])
 700         ;;
 701   *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
 702       AC_DEFINE(NEW_PROC_API, 1,
 703       [Define if you want to use new multi-fd /proc interface
 704        (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
 705       ;;
 706   *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]])
 707       AC_DEFINE(NEW_PROC_API, 1,
 708       [Define if you want to use new multi-fd /proc interface
 709        (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
 710       ;;
 711   mips-sgi-irix5*)
 712       # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
 713       AC_DEFINE([_KMEMUSER], 1,
 714       [Define to 1 so <sys/proc.h> gets a definition of anon_hdl.  Works
 715        around a <sys/proc.h> problem on IRIX 5.])
 716       ;;
 717   esac
 718 fi
 719
 720 if test "$ac_cv_header_sys_procfs_h" = yes; then
 721   BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
 722   BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
 723   BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
 724   BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
 725   BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
 726   BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
 727   BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
 728   BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
 729   BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
 730   BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
 731   BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
 732   BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
 733   BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
 734   BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
 735
 736
 737   dnl Check for broken prfpregset_t type
 738
 739   dnl For Linux/i386, glibc 2.1.3 was released with a bogus
 740   dnl prfpregset_t type (it's a typedef for the pointer to a struct
 741   dnl instead of the struct itself).  We detect this here, and work
 742   dnl around it in gdb_proc_service.h.
 743
 744   if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
 745     AC_MSG_CHECKING(whether prfpregset_t type is broken)
 746     AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
 747       [AC_TRY_RUN([#include <sys/procfs.h>
 748        int main ()
 749        {
 750          if (sizeof (prfpregset_t) == sizeof (void *))
 751            return 1;
 752          return 0;
 753        }],
 754        gdb_cv_prfpregset_t_broken=no,
 755        gdb_cv_prfpregset_t_broken=yes,
 756        gdb_cv_prfpregset_t_broken=yes)])
 757     AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
 758     if test $gdb_cv_prfpregset_t_broken = yes; then
 759       AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
 760       [Define if the prfpregset_t type is broken.])
 761     fi
 762   fi
 763
 764   dnl Check for PIOCSET ioctl entry
 765
 766   AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
 767   AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
 768   [AC_TRY_COMPILE([#include <unistd.h>
 769 #include <sys/types.h>
 770 #include <sys/procfs.h>
 771 ], [
 772     int dummy;;
 773     dummy = ioctl(0, PIOCSET, &dummy);
 774   ],
 775   gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
 776   AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
 777   if test $gdb_cv_have_procfs_piocset = yes; then
 778     AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
 779     [Define if ioctl argument PIOCSET is available.])
 780   fi
 781 fi
 782
 783 dnl For native ports (host == target), check to see what kind of
 784 dnl legacy link.h support is needed.  (See solib-legacy.c.)
 785 if test ${host} = ${target} ; then
 786   dnl Check for struct link_map with l_ members which are indicative
 787   dnl of SVR4-like shared libraries
 788
 789   AC_MSG_CHECKING(for member l_addr in struct link_map)
 790   AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
 791     [AC_TRY_COMPILE([#include <link.h>],
 792                     [struct link_map lm; (void) lm.l_addr;],
 793                     gdb_cv_have_struct_link_map_with_l_members=yes,
 794                     gdb_cv_have_struct_link_map_with_l_members=no)])
 795   AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
 796   if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
 797     AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
 798     [Define if <link.h> exists and defines struct link_map which has
 799      members with an ``l_'' prefix.  (For Solaris, SVR4, and
 800      SVR4-like systems.)])
 801   fi
 802
 803   dnl Check for struct link_map with lm_ members which are indicative
 804   dnl of SunOS-like shared libraries
 805
 806   AC_MSG_CHECKING(for member lm_addr in struct link_map)
 807   AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
 808     [AC_TRY_COMPILE([#include <sys/types.h>
 809 #include <link.h>],
 810                     [struct link_map lm; (void) lm.lm_addr;],
 811                     gdb_cv_have_struct_link_map_with_lm_members=yes,
 812                     gdb_cv_have_struct_link_map_with_lm_members=no)])
 813   AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
 814   if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
 815     AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
 816     [Define if <link.h> exists and defines struct link_map which has
 817      members with an ``lm_'' prefix.  (For SunOS.)])
 818   fi
 819
 820   dnl Check for struct so_map with som_ members which are found on
 821   dnl some *BSD systems.
 822
 823   AC_MSG_CHECKING(for member som_addr in struct so_map)
 824   AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
 825     [AC_TRY_COMPILE([#include <sys/types.h>
 826 #ifdef HAVE_NLIST_H
 827 #include <nlist.h>
 828 #endif
 829 #include <link.h>],
 830                     [struct so_map lm; (void) lm.som_addr;],
 831                     gdb_cv_have_struct_so_map_with_som_members=yes,
 832                     gdb_cv_have_struct_so_map_with_som_members=no)])
 833   AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
 834   if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
 835     AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
 836     [Define if <link.h> exists and defines a struct so_map which has
 837      members with an ``som_'' prefix.  (Found on older *BSD systems.)])
 838   fi
 839
 840   dnl Check for struct link_map32 type, which allows a 64-bit Solaris
 841   dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
 842
 843   AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
 844   AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
 845     [AC_TRY_COMPILE([#define _SYSCALL32
 846 #include <sys/link.h>], [struct link_map32 l;],
 847      gdb_cv_have_struct_link_map32=yes,
 848      gdb_cv_have_struct_link_map32=no)])
 849   AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
 850   if test $gdb_cv_have_struct_link_map32 = yes; then
 851     AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
 852     [Define if <sys/link.h> has struct link_map32])
 853     AC_DEFINE(_SYSCALL32, 1,
 854     [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
 855   fi
 856 fi
 857
 858 # Check if the compiler supports the `long long' type.
 859
 860 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
 861                [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
 862 [[extern long long foo;]],
 863 [[switch (foo & 2) { case 0: return 1; }]])],
 864                                   gdb_cv_c_long_long=yes,
 865                                   gdb_cv_c_long_long=no)])
 866 if test $gdb_cv_c_long_long = yes; then
 867   AC_DEFINE(CC_HAS_LONG_LONG, 1,
 868             [Define to 1 if the compiler supports long long.])
 869 fi
 870
 871 # Check if the compiler and runtime support printing long longs.
 872
 873 AC_CACHE_CHECK([for long long support in printf],
 874                gdb_cv_printf_has_long_long,
 875                [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
 876 [[char buf[32];
 877   long long l = 0;
 878   l = (l << 16) + 0x0123;
 879   l = (l << 16) + 0x4567;
 880   l = (l << 16) + 0x89ab;
 881   l = (l << 16) + 0xcdef;
 882   sprintf (buf, "0x%016llx", l);
 883   return (strcmp ("0x0123456789abcdef", buf));]])],
 884                               gdb_cv_printf_has_long_long=yes,
 885                               gdb_cv_printf_has_long_long=no,
 886                               gdb_cv_printf_has_long_long=no)])
 887 if test $gdb_cv_printf_has_long_long = yes; then
 888   AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
 889             [Define to 1 if the "%ll" format works to print long longs.])
 890 fi
 891
 892 # Check if the compiler supports the `long double' type.  We can't use
 893 # AC_C_LONG_DOUBLE because that one does additional checks on the
 894 # constants defined in <float.h> that fail on some systems,
 895 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
 896
 897 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
 898                [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
 899                                   gdb_cv_c_long_double=yes,
 900                                   gdb_cv_c_long_double=no)])
 901 if test $gdb_cv_c_long_double = yes; then
 902   AC_DEFINE(HAVE_LONG_DOUBLE, 1,
 903            [Define to 1 if the compiler supports long double.])
 904 fi
 905
 906 # Check if the compiler and runtime support printing long doubles.
 907
 908 AC_CACHE_CHECK([for long double support in printf],
 909                gdb_cv_printf_has_long_double,
 910                [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
 911 [[char buf[16];
 912   long double f = 3.141592653;
 913   sprintf (buf, "%Lg", f);
 914   return (strncmp ("3.14159", buf, 7));]])],
 915                               gdb_cv_printf_has_long_double=yes,
 916                               gdb_cv_printf_has_long_double=no,
 917                               gdb_cv_printf_has_long_double=no)])
 918 if test $gdb_cv_printf_has_long_double = yes; then
 919   AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
 920             [Define to 1 if the "%Lg" format works to print long doubles.])
 921 fi
 922
 923 # Check if the compiler and runtime support scanning long doubles.
 924
 925 AC_CACHE_CHECK([for long double support in scanf],
 926                gdb_cv_scanf_has_long_double,
 927                [AC_RUN_IFELSE([AC_LANG_PROGRAM(
 928 [[#include <stdio.h>]],
 929 [[char *buf = "3.141592653";
 930   long double f = 0;
 931   sscanf (buf, "%Lg", &f);
 932   return !(f > 3.14159 && f < 3.14160);]])],
 933                               gdb_cv_scanf_has_long_double=yes,
 934                               gdb_cv_scanf_has_long_double=no,
 935                               gdb_cv_scanf_has_long_double=no)])
 936 if test $gdb_cv_scanf_has_long_double = yes; then
 937   AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
 938             [Define to 1 if the "%Lg" format works to scan long doubles.])
 939 fi
 940
 941 case ${host_os} in
 942 aix*)
 943   AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
 944     SAVE_LDFLAGS=$LDFLAGS
 945
 946     case $GCC in
 947     yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
 948     *) gdb_cv_bigtoc=-bbigtoc ;;
 949     esac
 950
 951     LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
 952     AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
 953     LDFLAGS="${SAVE_LDFLAGS}"
 954   ])
 955   CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
 956   ;;
 957 esac
 958
 959
 960 dnl For certain native configurations, we need to check whether thread
 961 dnl support can be built in or not.
 962 dnl
 963 dnl Note that we only want this if we are both native (host == target),
 964 dnl and not doing a canadian cross build (build == host).
 965
 966 if test ${build} = ${host} -a ${host} = ${target} ; then
 967    case ${host_os} in
 968    hpux*)
 969       AC_MSG_CHECKING(for HPUX/OSF thread support)
 970       if test -f /usr/include/dce/cma_config.h ; then
 971          if test "$GCC" = "yes" ; then
 972             AC_MSG_RESULT(yes)
 973             AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
 974             [Define if you have HPUX threads])
 975             CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
 976             CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
 977          else
 978             AC_MSG_RESULT(no (suppressed because you are not using GCC))
 979          fi
 980       else
 981          AC_MSG_RESULT(no)
 982       fi
 983       ;;
 984    solaris*)
 985       # See if thread_db library is around for Solaris thread debugging.
 986       # Note that we must explicitly test for version 1 of the library
 987       # because version 0 (present on Solaris 2.4 or earlier) doesn't have
 988       # the same API.
 989       AC_MSG_CHECKING(for Solaris thread debugging library)
 990       if test -f /usr/lib/libthread_db.so.1 ; then
 991          AC_MSG_RESULT(yes)
 992          AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
 993          [Define if using Solaris thread debugging.])
 994          CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
 995          CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
 996          AC_CHECK_LIB(dl, dlopen)
 997          if test "$GCC" = "yes" ; then
 998             # The GNU linker requires the -export-dynamic option to make
 999             # all symbols visible in the dynamic symbol table.
1000             hold_ldflags=$LDFLAGS
1001             AC_MSG_CHECKING(for the ld -export-dynamic flag)
1002             LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
1003             AC_TRY_LINK(, [int i;], found=yes, found=no)
1004             LDFLAGS=$hold_ldflags
1005             AC_MSG_RESULT($found)
1006             if test $found = yes; then
1007                CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
1008             fi
1009          fi
1010          # Sun randomly tweaked the prototypes in <proc_service.h>
1011          # at one point.
1012          AC_MSG_CHECKING(if <proc_service.h> is old)
1013          AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1014             AC_TRY_COMPILE([
1015                 #include <proc_service.h>
1016                 ps_err_e ps_pdwrite
1017                     (struct ps_prochandle*, psaddr_t, const void*, size_t);
1018             ],, gdb_cv_proc_service_is_old=no,
1019                 gdb_cv_proc_service_is_old=yes)
1020          ])
1021          AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1022          if test $gdb_cv_proc_service_is_old = yes; then
1023             AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1024             [Define if <proc_service.h> on solaris uses int instead of
1025              size_t, and assorted other type changes.])
1026          fi
1027       else
1028          AC_MSG_RESULT(no)
1029       fi
1030       ;;
1031    aix*)
1032       AC_MSG_CHECKING(for AiX thread debugging library)
1033       AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1034                    [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1035                                    [#ifndef PTHDB_VERSION_3
1036                                     #error
1037                                     #endif],
1038                                    gdb_cv_have_aix_thread_debug=yes,
1039                                    gdb_cv_have_aix_thread_debug=no)])
1040       AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1041       if test $gdb_cv_have_aix_thread_debug = yes; then
1042          CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1043          CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1044          CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1045       fi
1046       ;;
1047    esac
1048    AC_SUBST(CONFIG_LDFLAGS)
1049 fi
1050
1051 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1052 dnl other error codes.
1053 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1054    AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1055                   gdb_cv_thread_db_h_has_td_notalloc,
1056      AC_TRY_COMPILE(
1057        [#include <thread_db.h>],
1058        [int i = TD_NOTALLOC;],
1059        gdb_cv_thread_db_h_has_td_notalloc=yes,
1060        gdb_cv_thread_db_h_has_td_notalloc=no
1061      )
1062    )
1063    AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1064                   gdb_cv_thread_db_h_has_td_version,
1065      AC_TRY_COMPILE(
1066        [#include <thread_db.h>],
1067        [int i = TD_VERSION;],
1068        gdb_cv_thread_db_h_has_td_version=yes,
1069        gdb_cv_thread_db_h_has_td_version=no
1070      )
1071    )
1072    AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1073                   gdb_cv_thread_db_h_has_td_notls,
1074      AC_TRY_COMPILE(
1075        [#include <thread_db.h>],
1076        [int i = TD_NOTLS;],
1077        gdb_cv_thread_db_h_has_td_notls=yes,
1078        gdb_cv_thread_db_h_has_td_notls=no
1079      )
1080    )
1081 fi
1082 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1083   AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1084             [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1085 fi
1086 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1087   AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1088             [Define if <thread_db.h> has the TD_VERSION error code.])
1089 fi
1090 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1091   AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1092             [Define if <thread_db.h> has the TD_NOTLS error code.])
1093 fi
1094
1095 dnl See if we have a sys/syscall header file that has __NR_tkill.
1096 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1097    AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1098                   gdb_cv_sys_syscall_h_has_tkill,
1099      AC_TRY_COMPILE(
1100        [#include <sys/syscall.h>],
1101        [int i = __NR_tkill;],
1102        gdb_cv_sys_syscall_h_has_tkill=yes,
1103        gdb_cv_sys_syscall_h_has_tkill=no
1104      )
1105    )
1106 fi
1107 dnl See if we can issue tkill syscall.
1108 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1109   AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1110 fi
1111
1112 dnl Handle optional features that can be enabled.
1113
1114 AC_ARG_WITH(sysroot,
1115 [  --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
1116 [
1117  case ${with_sysroot} in
1118  yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1119  *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1120  esac
1121
1122  TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1123
1124  if test "x$prefix" = xNONE; then
1125   test_prefix=/usr/local
1126  else
1127   test_prefix=$prefix
1128  fi
1129  if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1130   test_exec_prefix=$test_prefix
1131  else
1132   test_exec_prefix=$exec_prefix
1133  fi
1134  case ${TARGET_SYSTEM_ROOT} in
1135  "${test_prefix}"|"${test_prefix}/"*|\
1136  "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1137  '${prefix}'|'${prefix}/'*|\
1138  '${exec_prefix}'|'${exec_prefix}/'*)
1139    t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
1140    TARGET_SYSTEM_ROOT_DEFINE="$t"
1141    ;;
1142  esac
1143 ], [
1144  TARGET_SYSTEM_ROOT=
1145  TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1146 ])
1147 AC_SUBST(TARGET_SYSTEM_ROOT)
1148 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1149
1150 AC_ARG_ENABLE(werror,
1151   [  --enable-werror    treat compile warnings as errors],
1152   [case "${enableval}" in
1153      yes | y) ERROR_ON_WARNING="yes" ;;
1154      no | n)  ERROR_ON_WARNING="no" ;;
1155      *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1156    esac])
1157
1158 # Enable -Werror by default when using gcc
1159 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1160     ERROR_ON_WARNING=yes
1161 fi
1162
1163 WERROR_CFLAGS=""
1164 if test "${ERROR_ON_WARNING}" = yes ; then
1165     WERROR_CFLAGS="-Werror"
1166 fi
1167
1168 # The entries after -Wno-pointer-sign are disabled warnings which may
1169 # be enabled in the future, which can not currently be used to build
1170 # GDB.
1171 # NOTE: If you change this list, remember to update
1172 # gdb/doc/gdbint.texinfo.
1173 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1174 -Wformat-nonliteral -Wno-pointer-sign \
1175 -Wno-unused -Wno-switch -Wno-char-subscripts"
1176
1177 AC_ARG_ENABLE(build-warnings,
1178 [  --enable-build-warnings Enable build-time compiler warnings if gcc is used],
1179 [case "${enableval}" in
1180   yes)  ;;
1181   no)   build_warnings="-w";;
1182   ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
1183         build_warnings="${build_warnings} ${t}";;
1184   *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
1185         build_warnings="${t} ${build_warnings}";;
1186   *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1187 esac
1188 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1189   echo "Setting compiler warning flags = $build_warnings" 6>&1
1190 fi])dnl
1191 AC_ARG_ENABLE(gdb-build-warnings,
1192 [  --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],
1193 [case "${enableval}" in
1194   yes)  ;;
1195   no)   build_warnings="-w";;
1196   ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
1197         build_warnings="${build_warnings} ${t}";;
1198   *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
1199         build_warnings="${t} ${build_warnings}";;
1200   *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1201 esac
1202 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1203   echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1204 fi])dnl
1205 WARN_CFLAGS=""
1206 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1207 then
1208     AC_MSG_CHECKING(compiler warning flags)
1209     # Separate out the -Werror flag as some files just cannot be
1210     # compiled with it enabled.
1211     for w in ${build_warnings}; do
1212         case $w in
1213         -Werr*) WERROR_CFLAGS=-Werror ;;
1214         *) # Check that GCC accepts it
1215             saved_CFLAGS="$CFLAGS"
1216             CFLAGS="$CFLAGS $w"
1217             AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1218             CFLAGS="$saved_CFLAGS"
1219         esac
1220     done
1221     AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1222 fi
1223 AC_SUBST(WARN_CFLAGS)
1224 AC_SUBST(WERROR_CFLAGS)
1225
1226 # In the Cygwin environment, we need some additional flags.
1227 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1228 [AC_EGREP_CPP(lose, [
1229 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1230 lose
1231 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1232
1233
1234 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1235 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1236 case ${host} in
1237   *go32* ) SER_HARDWIRE=ser-go32.o ;;
1238   *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1239   *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1240 esac
1241 AC_SUBST(SER_HARDWIRE)
1242
1243 # libreadline needs libuser32.a in a cygwin environment
1244 WIN32LIBS=
1245 if test x$gdb_cv_os_cygwin = xyes; then
1246     WIN32LIBS="-luser32"
1247     case "${target}" in
1248         *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1249         ;;
1250     esac
1251 fi
1252
1253 # The ser-tcp.c module requires sockets.
1254 case ${host} in
1255   *mingw32*)
1256     AC_DEFINE(USE_WIN32API, 1,
1257               [Define if we should use the Windows API, instead of the
1258                POSIX API.  On Windows, we use the Windows API when
1259                building for MinGW, but the POSIX API when building
1260                for Cygwin.])
1261     WIN32LIBS="$WIN32LIBS -lws2_32"
1262     ;;
1263 esac
1264 AC_SUBST(WIN32LIBS)
1265
1266 # Add any host-specific objects to GDB.
1267 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1268
1269 LIBGUI="../libgui/src/libgui.a"
1270 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1271 AC_SUBST(LIBGUI)
1272 AC_SUBST(GUI_CFLAGS_X)
1273
1274 WIN32LDAPP=
1275 AC_SUBST(WIN32LIBS)
1276 AC_SUBST(WIN32LDAPP)
1277
1278 case "${host}" in
1279 *-*-cygwin*)
1280     configdir="win"
1281     ;;
1282 *)
1283     configdir="unix"
1284     ;;
1285 esac
1286
1287 GDBTKLIBS=
1288 if test "${enable_gdbtk}" = "yes"; then
1289
1290     # Gdbtk must have an absolute path to srcdir in order to run
1291     # properly when not installed.
1292     here=`pwd`
1293     cd ${srcdir}
1294     GDBTK_SRC_DIR=`pwd`
1295     cd $here
1296
1297     CY_AC_PATH_TCLCONFIG
1298     if test -z "${no_tcl}"; then
1299         CY_AC_LOAD_TCLCONFIG
1300         CY_AC_PATH_TKCONFIG
1301
1302         # now look for Tcl library stuff
1303
1304         tcldir="../tcl/${configdir}/"
1305
1306         TCL_DEPS="${tcldir}${TCL_LIB_FILE}"
1307
1308         # If $no_tk is nonempty, then we can't do Tk, and there is no
1309         # point to doing Tcl.
1310         if test -z "${no_tk}"; then
1311            CY_AC_LOAD_TKCONFIG
1312            CY_AC_PATH_TCLH
1313            CY_AC_PATH_TKH
1314            CY_AC_PATH_ITCLH
1315            CY_AC_PATH_ITKH
1316
1317
1318            # now look for Tk library stuff
1319
1320            tkdir="../tk/${configdir}/"
1321
1322            TK_DEPS="${tkdir}${TK_LIB_FILE}"
1323
1324            # now look for Itcl library stuff
1325
1326            CY_AC_PATH_ITCLCONFIG
1327            if test -z "${no_itcl}"; then
1328              CY_AC_LOAD_ITCLCONFIG
1329
1330              ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
1331              ITCL_DEPS="${ITCL_LIB_FULL_PATH}"
1332            fi
1333
1334
1335            # now look for Itk library stuff
1336            CY_AC_PATH_ITKCONFIG
1337            if test -z "${no_itcl}"; then
1338              CY_AC_LOAD_ITKCONFIG
1339
1340              ITKLIB="${ITK_BUILD_LIB_SPEC}"
1341              ITK_DEPS="${ITK_LIB_FULL_PATH}"
1342            fi
1343
1344            ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1345
1346            # Include some libraries that Tcl and Tk want.
1347            TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1348            # Yes, the ordering seems wrong here.  But it isn't.
1349            # TK_LIBS is the list of libraries that need to be linked
1350            # after Tcl/Tk.  Note that this isn't put into LIBS.  If it
1351            # were in LIBS then any link tests after this point would
1352            # try to include things like `$(LIBGUI)', which wouldn't work.
1353            GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1354
1355            CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1356            CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1357            CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1358            CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1359            CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1360            CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1361            CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1362
1363            if test x$gdb_cv_os_cygwin = xyes; then
1364               WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1365               WIN32LDAPP="-Wl,--subsystem,console"
1366               CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1367            fi
1368         fi
1369     fi
1370
1371     AC_CONFIG_SUBDIRS(gdbtk)
1372 fi
1373
1374 AC_SUBST(X_CFLAGS)
1375 AC_SUBST(X_LDFLAGS)
1376 AC_SUBST(X_LIBS)
1377 AC_SUBST(TCL_DEPS)
1378 AC_SUBST(TK_DEPS)
1379 AC_SUBST(ITCLLIB)
1380 AC_SUBST(ITCL_DEPS)
1381 AC_SUBST(ITKLIB)
1382 AC_SUBST(ITK_DEPS)
1383 AC_SUBST(GDBTKLIBS)
1384 AC_SUBST(GDBTK_CFLAGS)
1385 AC_SUBST(GDBTK_SRC_DIR)
1386
1387 AC_PATH_X
1388
1389 # Check whether we should enable the TUI, but only do so if we really
1390 # can.
1391 if test x"$enable_tui" = xyes; then
1392   if test -d $srcdir/tui; then
1393     if test "$ac_cv_search_waddstr" != no; then
1394       CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
1395       CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
1396       CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
1397       CONFIG_INITS="$CONFIG_INITS \$(SUBDIR_TUI_INITS)"
1398       ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
1399       CONFIG_ALL="${CONFIG_ALL} all-tui"
1400       CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
1401       CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
1402       CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
1403     else
1404       AC_MSG_WARN([no enhanced curses library found; disabling TUI])
1405     fi
1406   fi
1407 fi
1408
1409 # Unlike the sim directory, whether a simulator is linked is controlled by
1410 # presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
1411 # This code just checks for a few cases where we'd like to ignore those
1412 # definitions, even when they're present in the '.mt' file.  These cases
1413 # are when --disable-sim is specified, or if the simulator directory is
1414 # not part of the source tree.
1415 #
1416 AC_ARG_ENABLE(sim,
1417 [  --enable-sim            Link gdb with simulator],
1418 [echo "enable_sim = $enable_sim";
1419  echo "enableval = ${enableval}";
1420  case "${enableval}" in
1421   yes) ignore_sim=false ;;
1422   no)  ignore_sim=true ;;
1423   *)   ignore_sim=false ;;
1424  esac],
1425 [ignore_sim=false])
1426
1427 if test ! -d "${srcdir}/../sim"; then
1428   ignore_sim=true
1429 fi
1430
1431 if test "${ignore_sim}" = "true"; then
1432     IGNORE_SIM="SIM="
1433     IGNORE_SIM_OBS="SIM_OBS="
1434 else
1435     IGNORE_SIM=""
1436     IGNORE_SIM_OBS=""
1437     AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
1438 fi
1439 AC_SUBST(IGNORE_SIM)
1440 AC_SUBST(IGNORE_SIM_OBS)
1441
1442 AC_SUBST(ENABLE_CFLAGS)
1443 AC_SUBST(PROFILE_CFLAGS)
1444
1445 AC_SUBST(CONFIG_OBS)
1446 AC_SUBST(CONFIG_DEPS)
1447 AC_SUBST(CONFIG_SRCS)
1448 AC_SUBST(CONFIG_ALL)
1449 AC_SUBST(CONFIG_CLEAN)
1450 AC_SUBST(CONFIG_INSTALL)
1451 AC_SUBST(CONFIG_UNINSTALL)
1452
1453 # List of host floatformats.
1454 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
1455 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
1456 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
1457
1458 # target_subdir is used by the testsuite to find the target libraries.
1459 target_subdir=
1460 if test "${host}" != "${target}"; then
1461     target_subdir="${target_alias}/"
1462 fi
1463 AC_SUBST(target_subdir)
1464
1465 frags=
1466 if test "${gdb_native}" = "yes"; then
1467   host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1468   if test ! -f ${host_makefile_frag}; then
1469     AC_MSG_ERROR("*** Gdb does not support native target ${host}")
1470   fi
1471   frags="$frags $host_makefile_frag"
1472 else
1473   host_makefile_frag=/dev/null
1474 fi
1475
1476 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
1477 if test ! -f ${target_makefile_frag}; then
1478   AC_MSG_ERROR("*** Gdb does not support target ${target}")
1479 fi
1480 frags="$frags $target_makefile_frag"
1481
1482 AC_SUBST_FILE(host_makefile_frag)
1483 AC_SUBST_FILE(target_makefile_frag)
1484 AC_SUBST(frags)
1485
1486 changequote(,)dnl
1487 hostfile=`sed -n '
1488 s/XM_FILE[      ]*=[    ]*\([^  ]*\)/\1/p
1489 ' ${host_makefile_frag}`
1490
1491 targetfile=`sed -n '
1492 s/^[    ]*DEPRECATED_TM_FILE[   ]*=[    ]*\([^  ]*\)/\1/p
1493 ' ${target_makefile_frag}`
1494
1495 if test "${gdb_native}" = "yes"; then
1496 # We pick this up from the host configuration file (.mh) because we
1497 # do not have a native configuration Makefile fragment.
1498 nativefile=`sed -n '
1499 s/NAT_FILE[     ]*=[    ]*\([^  ]*\)/\1/p
1500 ' ${host_makefile_frag}`
1501 fi
1502 changequote([,])
1503
1504 if test x"${gdb_osabi}" != x ; then
1505     AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
1506                        [Define to the default OS ABI for this configuration.])
1507 fi
1508
1509 # Enable multi-ice-gdb-server.
1510 AC_ARG_ENABLE(multi-ice,
1511 [  --enable-multi-ice      build the multi-ice-gdb-server],
1512   [case $enableval in
1513     yes | no)
1514       ;;
1515     *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
1516   esac])
1517 if test "x$enable_multi_ice" = xyes; then
1518    AC_CONFIG_SUBDIRS(multi-ice)
1519 fi
1520
1521 # We only build gdbserver automatically in a native configuration.
1522 if test "$gdb_native" = "yes"; then
1523   AC_MSG_CHECKING(whether gdbserver is supported on this host)
1524   if test "x$build_gdbserver" = xyes; then
1525     AC_MSG_RESULT(yes)
1526     AC_CONFIG_SUBDIRS(gdbserver)
1527   else
1528     AC_MSG_RESULT(no)
1529   fi
1530 fi
1531
1532 # If hostfile (XM_FILE) and/or targetfile (DEPRECATED_TM_FILE) and/or
1533 # nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
1534 # to an empty version.
1535
1536 files=
1537 links=
1538
1539 rm -f xm.h
1540 xm_h=""
1541 if test "${hostfile}" != ""; then
1542     xm_h=xm.h
1543     case "${hostfile}" in
1544       xm-*.h ) GDB_XM_FILE="config/${gdb_host_cpu}/${hostfile}" ;;
1545       * ) GDB_XM_FILE="${hostfile}"
1546     esac
1547     files="${files} ${GDB_XM_FILE}"
1548     links="${links} xm.h"
1549     AC_DEFINE_UNQUOTED(GDB_XM_FILE, "${GDB_XM_FILE}", [hostfile])
1550 fi
1551 AC_SUBST(xm_h)
1552
1553 rm -f tm.h
1554 tm_h=""
1555 if test "${targetfile}" != ""; then
1556     tm_h=tm.h
1557     case "${targetfile}" in
1558       tm-*.h ) GDB_TM_FILE="config/${gdb_target_cpu}/${targetfile}" ;;
1559       * ) GDB_TM_FILE="${targetfile}"
1560     esac
1561     files="${files} ${GDB_TM_FILE}"
1562     links="${links} tm.h"
1563     AC_DEFINE_UNQUOTED(GDB_TM_FILE, "${GDB_TM_FILE}", [targetfile])
1564 fi
1565 AC_SUBST(tm_h)
1566
1567 rm -f nm.h
1568 nm_h=""
1569 if test "${nativefile}" != ""; then
1570     nm_h=nm.h
1571     case "${nativefile}" in
1572       nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
1573       * ) GDB_NM_FILE="${nativefile}"
1574     esac
1575     files="${files} ${GDB_NM_FILE}"
1576     links="${links} nm.h"
1577     AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
1578 fi
1579 AC_SUBST(nm_h)
1580
1581 AC_LINK_FILES($files, $links)
1582
1583 dnl Check for exe extension set on certain hosts (e.g. Win32)
1584 AC_EXEEXT
1585
1586 dnl  Detect the character set used by this host.
1587
1588 dnl  At the moment, we just assume it's ISO-8859-1 (which is a
1589 dnl  superset of ASCII containing the characters needed for French,
1590 dnl  German, Spanish, Italian, and possibly others), but if were
1591 dnl  *were* to support any host character sets other than ISO-8859-1,
1592 dnl  here's where we'd detect it.
1593 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "ISO-8859-1",
1594           [Define to be a string naming the default host character set.])
1595
1596 AM_ICONV
1597
1598 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
1599 [
1600 dnl Autoconf doesn't provide a mechanism for modifying definitions
1601 dnl provided by makefile fragments.
1602 dnl
1603
1604 changequote(,)dnl
1605 sed -e '/^DEPRECATED_TM_FILE[   ]*=/s,^DEPRECATED_TM_FILE[      ]*=[    ]*,&config/'"${gdb_target_cpu}"'/,
1606 /^XM_FILE[      ]*=/s,^XM_FILE[         ]*=[    ]*,&config/'"${gdb_host_cpu}"'/,
1607 /^NAT_FILE[     ]*=/s,^NAT_FILE[        ]*=[    ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1608 mv -f Makefile.tmp Makefile
1609 changequote([,])dnl
1610
1611
1612 case x$CONFIG_HEADERS in
1613 xconfig.h:config.in)
1614 echo > stamp-h ;;
1615 esac
1616 ],
1617 [
1618 gdb_host_cpu=$gdb_host_cpu
1619 gdb_target_cpu=$gdb_target_cpu
1620 nativefile=$nativefile
1621 ])
1622
1623 exit 0