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, 2007, 2008, 2009, 2010
   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 3 of the License, or
  11 dnl (at your option) any later version.
  12 dnl
  13 dnl This program is distributed in the hope that it will be useful,
  14 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 dnl GNU General Public License for more details.
  17 dnl
  18 dnl You should have received a copy of the GNU General Public License
  19 dnl along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 dnl Process this file with autoconf to produce a configure script.
  22
  23 AC_PREREQ(2.59)dnl
  24 AC_INIT(main.c)
  25 AC_CONFIG_HEADER(config.h:config.in)
  26 AM_MAINTAINER_MODE
  27
  28 AC_PROG_CC
  29 AC_USE_SYSTEM_EXTENSIONS
  30 gl_EARLY
  31 ACX_LARGEFILE
  32 AM_PROG_CC_STDC
  33
  34 AC_CONFIG_AUX_DIR(..)
  35 AC_CANONICAL_SYSTEM
  36
  37 # Dependency checking.
  38 ZW_CREATE_DEPDIR
  39 ZW_PROG_COMPILER_DEPENDENCIES([CC])
  40
  41 # Check for the 'make' the user wants to use.
  42 AC_CHECK_PROGS(MAKE, make)
  43 MAKE_IS_GNU=
  44 case "`$MAKE --version 2>&1 | sed 1q`" in
  45   *GNU*)
  46     MAKE_IS_GNU=yes
  47     ;;
  48 esac
  49 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
  50 AC_PROG_MAKE_SET
  51
  52 dnl List of object files and targets accumulated by configure.
  53
  54 CONFIG_OBS=
  55 CONFIG_DEPS=
  56 CONFIG_SRCS=
  57 ENABLE_CFLAGS=
  58
  59 CONFIG_ALL=
  60 CONFIG_CLEAN=
  61 CONFIG_INSTALL=
  62 CONFIG_UNINSTALL=
  63
  64 dnl Set up for gettext.
  65 ZW_GNU_GETTEXT_SISTER_DIR
  66
  67 localedir='${datadir}/locale'
  68 AC_SUBST(localedir)
  69
  70 if test x"$USE_NLS" = xyes; then
  71    CONFIG_ALL="$CONFIG_ALL all-po"
  72    CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
  73    CONFIG_INSTALL="$CONFIG_INSTALL install-po"
  74    CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
  75 fi
  76
  77 gl_INIT
  78
  79 # For Makefile dependencies.
  80 GNULIB_STDINT_H=
  81 if test x"$STDINT_H" != x; then
  82   GNULIB_STDINT_H=gnulib/$STDINT_H
  83 fi
  84 AC_SUBST(GNULIB_STDINT_H)
  85
  86 PACKAGE=gdb
  87 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
  88 AC_SUBST(PACKAGE)
  89
  90 # GDB does not use automake, but gnulib does.  This line lets us
  91 # generate its Makefile.in.
  92 AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define])
  93
  94 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
  95     [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
  96     [${libdir}/debug])
  97
  98 # GDB's datadir relocation
  99
 100 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
 101     [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
 102     [${datadir}/gdb])
 103
 104 AC_ARG_WITH(relocated-sources,
 105 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
 106 [reloc_srcdir="${withval}"
 107  AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
 108               [Relocated directory for source files. ])
 109 ])
 110
 111 AC_CONFIG_SUBDIRS(testsuite)
 112
 113 # Check whether to support alternative target configurations
 114 AC_ARG_ENABLE(targets,
 115 AS_HELP_STRING([--enable-targets=TARGETS], [alternative target configurations]),
 116 [case "${enableval}" in
 117   yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
 118             ;;
 119   no)       enable_targets= ;;
 120   *)        enable_targets=$enableval ;;
 121 esac])
 122
 123 # Check whether to enable 64-bit support on 32-bit hosts
 124 AC_ARG_ENABLE(64-bit-bfd,
 125 AS_HELP_STRING([--enable-64-bit-bfd], [64-bit support (on hosts with narrower word sizes)]),
 126 [case "${enableval}" in
 127   yes)  want64=true  ;;
 128   no)   want64=false ;;
 129   *)    AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
 130 esac],[want64=false])dnl
 131
 132 # Provide defaults for some variables set by the per-host and per-target
 133 # configuration.
 134 gdb_host_obs=posix-hdep.o
 135
 136 if test "${target}" = "${host}"; then
 137   gdb_native=yes
 138 else
 139   gdb_native=no
 140 fi
 141
 142 . $srcdir/configure.host
 143
 144 # Accumulate some settings from configure.tgt over all enabled targets
 145
 146 TARGET_OBS=
 147 all_targets=
 148
 149 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
 150 do
 151   if test "$targ_alias" = "all"; then
 152     all_targets=true
 153   else
 154     # Canonicalize the secondary target names.
 155     result=`$ac_config_sub $targ_alias 2>/dev/null`
 156     if test -n "$result"; then
 157         targ=$result
 158     else
 159         targ=$targ_alias
 160     fi
 161
 162     . ${srcdir}/configure.tgt
 163
 164     AS_IF([test -z "${gdb_target_obs}"],
 165       [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
 166
 167     # Target-specific object files
 168     for i in ${gdb_target_obs}; do
 169         case " $TARGET_OBS " in
 170         *" ${i} "*) ;;
 171         *)
 172           TARGET_OBS="$TARGET_OBS ${i}"
 173           ;;
 174         esac
 175     done
 176
 177     # Check whether this target needs 64-bit CORE_ADDR
 178     if test x${want64} = xfalse; then
 179       . ${srcdir}/../bfd/config.bfd
 180     fi
 181   fi
 182 done
 183
 184 if test x${all_targets} = xtrue; then
 185
 186   # We want all 64-bit targets if we either:
 187   #  - run on a 64-bit host  or
 188   #  - already require 64-bit support for some other target  or
 189   #  - the --enable-64-bit-bfd option was supplied
 190   # Otherwise we only support all 32-bit targets.
 191   #
 192   # NOTE: This test must be in sync with the corresponding
 193   #       tests in BFD!
 194
 195   if test x${want64} = xfalse; then
 196     AC_CHECK_SIZEOF(long)
 197     if test "x${ac_cv_sizeof_long}" = "x8"; then
 198       want64=true
 199     fi
 200   fi
 201   if test x${want64} = xtrue; then
 202     TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
 203   else
 204     TARGET_OBS='$(ALL_TARGET_OBS)'
 205   fi
 206 fi
 207
 208 AC_SUBST(TARGET_OBS)
 209
 210 # For other settings, only the main target counts.
 211 gdb_sim=
 212 gdb_osabi=
 213 build_gdbserver=
 214 targ=$target; . ${srcdir}/configure.tgt
 215
 216 # Fetch the default architecture and default target vector from BFD.
 217 targ=$target; . $srcdir/../bfd/config.bfd
 218
 219 # We only want the first architecture, so strip off the others if
 220 # there is more than one.
 221 targ_archs=`echo $targ_archs | sed 's/ .*//'`
 222
 223 if test "x$targ_archs" != x; then
 224   AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
 225     [Define to BFD's default architecture. ])
 226 fi
 227 if test "x$targ_defvec" != x; then
 228   AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
 229     [Define to BFD's default target vector. ])
 230 fi
 231
 232 # The CLI cannot be disabled yet, but may be in the future.
 233
 234 # Enable CLI.
 235 AC_ARG_ENABLE(gdbcli,
 236 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
 237   [case $enableval in
 238     yes)
 239       ;;
 240     no)
 241       AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
 242     *)
 243       AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
 244   esac],
 245   [enable_gdbcli=yes])
 246 if test x"$enable_gdbcli" = xyes; then
 247   if test -d $srcdir/cli; then
 248     CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
 249     CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
 250     CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
 251     ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
 252   fi
 253 fi
 254
 255 # Enable MI.
 256 AC_ARG_ENABLE(gdbmi,
 257 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
 258   [case $enableval in
 259     yes | no)
 260       ;;
 261     *)
 262       AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
 263   esac],
 264   [enable_gdbmi=yes])
 265 if test x"$enable_gdbmi" = xyes; then
 266   if test -d $srcdir/mi; then
 267     CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
 268     CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
 269     CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
 270     ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
 271   fi
 272 fi
 273
 274 # Enable TUI.
 275 AC_ARG_ENABLE(tui,
 276 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
 277   [case $enableval in
 278     yes | no | auto)
 279       ;;
 280     *)
 281       AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
 282   esac],enable_tui=auto)
 283
 284 # Enable gdbtk.
 285 AC_ARG_ENABLE(gdbtk,
 286 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
 287   [case $enableval in
 288     yes | no)
 289       ;;
 290     *)
 291       AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
 292   esac],
 293   [if test -d $srcdir/gdbtk; then
 294     enable_gdbtk=yes
 295   else
 296     enable_gdbtk=no
 297   fi])
 298 # We unconditionally disable gdbtk tests on selected platforms.
 299 case $host_os in
 300   go32* | windows*)
 301     AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
 302     enable_gdbtk=no ;;
 303 esac
 304
 305 # Libunwind support.
 306 AC_ARG_WITH(libunwind,
 307 AS_HELP_STRING([--with-libunwind], [use libunwind frame unwinding support]),
 308 [case "${withval}" in
 309   yes)  enable_libunwind=yes ;;
 310   no)   enable_libunwind=no ;;
 311   *)    AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
 312 esac],[
 313   AC_CHECK_HEADERS(libunwind.h libunwind-ia64.h)
 314   if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
 315     enable_libunwind=yes;
 316   fi
 317 ])
 318
 319 if test x"$enable_libunwind" = xyes; then
 320   AC_CHECK_HEADERS(libunwind.h libunwind-ia64.h)
 321   AC_DEFINE(HAVE_LIBUNWIND, 1, [Define if libunwind library is being used.])
 322   CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
 323   CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
 324   CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
 325 fi
 326
 327 opt_curses=no
 328 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
 329
 330 prefer_curses=no
 331 if test "$opt_curses" = "yes"; then
 332   prefer_curses=yes
 333 fi
 334
 335 # Profiling support.
 336 AC_ARG_ENABLE(profiling,
 337 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
 338   [case $enableval in
 339     yes | no)
 340       ;;
 341     *)
 342       AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
 343   esac],
 344  [enable_profiling=no])
 345
 346 AC_CHECK_FUNCS(monstartup _mcleanup)
 347 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
 348 [AC_TRY_LINK(
 349 [#include <stdlib.h>
 350 extern char _etext;
 351 ],
 352 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
 353 if test $ac_cv_var__etext = yes; then
 354   AC_DEFINE(HAVE__ETEXT, 1,
 355             [Define to 1 if your system has the _etext variable. ])
 356 fi
 357 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
 358 [AC_TRY_LINK(
 359 [#include <stdlib.h>
 360 extern char etext;
 361 ],
 362 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
 363 if test $ac_cv_var_etext = yes; then
 364   AC_DEFINE(HAVE_ETEXT, 1,
 365             [Define to 1 if your system has the etext variable. ])
 366 fi
 367 if test "$enable_profiling" = yes ; then
 368   if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
 369     AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
 370   fi
 371   PROFILE_CFLAGS=-pg
 372   OLD_CFLAGS="$CFLAGS"
 373   CFLAGS="$CFLAGS $PROFILE_CFLAGS"
 374
 375   AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
 376     [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
 377      ac_cv_cc_supports_pg=no)])
 378
 379   if test $ac_cv_cc_supports_pg = no; then
 380     AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
 381   fi
 382
 383   CFLAGS="$OLD_CFLAGS"
 384 fi
 385
 386 ACX_PKGVERSION([GDB])
 387 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
 388 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
 389 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
 390
 391 # --------------------- #
 392 # Checks for programs.  #
 393 # --------------------- #
 394
 395 AC_PROG_AWK
 396 AC_PROG_INSTALL
 397 AC_PROG_LN_S
 398 AC_PROG_RANLIB
 399 AC_PROG_YACC
 400
 401 AC_CHECK_TOOL(AR, ar)
 402 AC_CHECK_TOOL(DLLTOOL, dlltool)
 403 AC_CHECK_TOOL(WINDRES, windres)
 404
 405 # Needed for GNU/Hurd.
 406 AC_CHECK_TOOL(MIG, mig)
 407
 408 # ---------------------- #
 409 # Checks for libraries.  #
 410 # ---------------------- #
 411
 412 # We might need to link with -lm; most simulators need it.
 413 AC_CHECK_LIB(m, main)
 414
 415 # We need to link with -lw to get `wctype' on Solaris before Solaris
 416 # 2.6.  Solaris 2.6 and beyond have this function in libc, and have a
 417 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
 418 # is known to have this problem).  Therefore we avoid libw if we can.
 419 AC_CHECK_FUNC(wctype, [],
 420   [AC_CHECK_LIB(w, wctype)])
 421
 422 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
 423 AC_SEARCH_LIBS(gethostbyname, nsl)
 424
 425 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
 426 AC_SEARCH_LIBS(socketpair, socket)
 427
 428 # Link in zlib if we can.  This allows us to read compressed debug sections.
 429 AM_ZLIB
 430
 431 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
 432 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
 433
 434 AM_ICONV
 435
 436 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
 437 # There is a very specific comment in /usr/include/curses.h explaining that
 438 # termcap routines built into libcurses must not be used.
 439 #
 440 # The symptoms we observed so far is GDB unexpectedly changing
 441 # the terminal settings when tgetent is called - this is particularly
 442 # visible as the output is missing carriage returns, and so rapidly
 443 # becomes very hard to read.
 444 #
 445 # The readline configure script has already decided that libtermcap
 446 # was enough for its purposes, and so decided to build readline using
 447 # libtermcap.  Since the TUI mode requires curses, building GDB with
 448 # TUI enabled results in both libraries to be used at the same time,
 449 # which is not allowed.  This basically means that GDB with TUI is
 450 # broken on alpha-osf.
 451
 452 case $host_os in
 453   osf* )
 454     if test x"$enable_tui" = xyes; then
 455       AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
 456     fi
 457     if test x"$enable_tui" = xauto; then
 458       enable_tui=no
 459     fi
 460     ;;
 461 esac
 462
 463 # For the TUI, we need enhanced curses functionality.
 464 if test x"$enable_tui" != xno; then
 465   prefer_curses=yes
 466 fi
 467
 468 curses_found=no
 469 if test x"$prefer_curses" = xyes; then
 470   # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
 471   # curses library because the latter might not provide all the
 472   # functionality we need.  However, this leads to problems on systems
 473   # where the linker searches /usr/local/lib, but the compiler doesn't
 474   # search /usr/local/include, if ncurses is installed in /usr/local.  A
 475   # default installation of ncurses on alpha*-dec-osf* will lead to such
 476   # a situation.
 477   AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
 478
 479   if test "$ac_cv_search_waddstr" != no; then
 480     curses_found=yes
 481   fi
 482 fi
 483
 484 # Check whether we should enable the TUI, but only do so if we really
 485 # can.
 486 if test x"$enable_tui" != xno; then
 487   if test -d $srcdir/tui; then
 488     if test "$curses_found" != no; then
 489       CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
 490       CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
 491       CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
 492       ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
 493       CONFIG_ALL="${CONFIG_ALL} all-tui"
 494       CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
 495       CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
 496       CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
 497     else
 498       if test x"$enable_tui" = xyes; then
 499         AC_MSG_ERROR([no enhanced curses library found; disable TUI])
 500       else
 501         AC_MSG_WARN([no enhanced curses library found; disabling TUI])
 502       fi
 503     fi
 504   fi
 505 fi
 506
 507 # Since GDB uses Readline, we need termcap functionality.  In many
 508 # cases this will be provided by the curses library, but some systems
 509 # have a seperate termcap library, or no curses library at all.
 510
 511 case $host_os in
 512   cygwin*)
 513     if test -d $srcdir/libtermcap; then
 514       LIBS="../libtermcap/libtermcap.a $LIBS"
 515       ac_cv_search_tgetent="../libtermcap/libtermcap.a"
 516     fi ;;
 517   go32* | *djgpp*)
 518     ac_cv_search_tgetent="none required"
 519     ;;
 520   *mingw32*)
 521     ac_cv_search_tgetent="none required"
 522     CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
 523     ;;
 524 esac
 525
 526 # These are the libraries checked by Readline.
 527 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
 528
 529 if test "$ac_cv_search_tgetent" = no; then
 530   AC_MSG_ERROR([no termcap library found])
 531 fi
 532
 533 AC_ARG_WITH([system-readline],
 534   [AS_HELP_STRING([--with-system-readline],
 535                   [use installed readline library])])
 536
 537 if test "$with_system_readline" = yes; then
 538   READLINE=-lreadline
 539   READLINE_DEPS=
 540   READLINE_CFLAGS=
 541   READLINE_TEXI_INCFLAG=
 542
 543   # readline-6.0 started to use the name `_rl_echoing_p'.
 544   # `$(READLINE_DIR)/' of bundled readline would not resolve in configure.
 545
 546   AC_MSG_CHECKING([for readline_echoing_p])
 547   save_LIBS=$LIBS
 548   LIBS="$LIBS $READLINE"
 549   AC_LINK_IFELSE(AC_LANG_PROGRAM(,[[extern int readline_echoing_p;
 550                                     return readline_echoing_p;]]),
 551                  [READLINE_ECHOING_P=yes],
 552                  [READLINE_ECHOING_P=no
 553                   AC_DEFINE([readline_echoing_p], [_rl_echoing_p],
 554                             [readline-6.0 started to use different name.])])
 555   LIBS="$save_LIBS"
 556   AC_MSG_RESULT([$READLINE_ECHOING_P])
 557 else
 558   READLINE='$(READLINE_DIR)/libreadline.a'
 559   READLINE_DEPS='$(READLINE)'
 560   READLINE_CFLAGS='-I$(READLINE_SRC)/..'
 561   READLINE_TEXI_INCFLAG='-I $(READLINE_DIR)'
 562 fi
 563 AC_SUBST(READLINE)
 564 AC_SUBST(READLINE_DEPS)
 565 AC_SUBST(READLINE_CFLAGS)
 566 AC_SUBST(READLINE_TEXI_INCFLAG)
 567
 568 AC_ARG_WITH(expat,
 569   AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
 570   [], [with_expat=auto])
 571 AC_MSG_CHECKING([whether to use expat])
 572 AC_MSG_RESULT([$with_expat])
 573
 574 if test "${with_expat}" = no; then
 575   AC_MSG_WARN([expat support disabled; some features may be unavailable.])
 576   HAVE_LIBEXPAT=no
 577 else
 578   AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
 579                         [XML_Parser p = XML_ParserCreate (0);])
 580   if test "$HAVE_LIBEXPAT" != yes; then
 581     if test "$with_expat" = yes; then
 582       AC_MSG_ERROR([expat is missing or unusable])
 583     else
 584       AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
 585     fi
 586   else
 587     save_LIBS=$LIBS
 588     LIBS="$LIBS $LIBEXPAT"
 589     AC_CHECK_FUNCS(XML_StopParser)
 590     LIBS=$save_LIBS
 591   fi
 592 fi
 593
 594 dnl Utility to simplify finding libpython.
 595 dnl $1 = pythonX.Y
 596 dnl $2 = the shell variable to assign the result to
 597 dnl      If libpython is found we store $version here.
 598 dnl $3 = additional flags to add to CPPFLAGS
 599 dnl $4 = additional flags to add to LIBS
 600
 601 AC_DEFUN([AC_TRY_LIBPYTHON],
 602 [
 603   version=$1
 604   define([have_libpython_var],$2)
 605   new_CPPFLAGS=$3
 606   new_LIBS=$4
 607   AC_MSG_CHECKING([for ${version}])
 608   save_CPPFLAGS=$CPPFLAGS
 609   save_LIBS=$LIBS
 610   CPPFLAGS="$CPPFLAGS $new_CPPFLAGS"
 611   LIBS="$LIBS $new_LIBS"
 612   found_usable_python=no
 613   AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "${version}/Python.h"]],
 614                                  [[Py_Initialize ();]]),
 615                  [have_libpython_var=${version}
 616                   found_usable_python=yes],
 617                  [CPPFLAGS=$save_CPPFLAGS
 618                   LIBS=$save_LIBS])
 619   AC_MSG_RESULT([${found_usable_python}])
 620 ])
 621
 622 dnl There are several different values for --with-python:
 623 dnl
 624 dnl no -   Don't include python support.
 625 dnl yes -  Include python support, error if it's missing.
 626 dnl        If we find python in $PATH, use it to fetch configure options,
 627 dnl        otherwise assume the compiler can find it with no help from us.
 628 dnl        Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
 629 dnl auto - Same as "yes", but if python is missing from the system,
 630 dnl        fall back to "no".
 631 dnl /path/to/python/exec-prefix -
 632 dnl        Use the python located in this directory.
 633 dnl        If /path/to/python/exec-prefix/bin/python exists, use it to find
 634 dnl        the compilation parameters.  Otherwise use
 635 dnl        -I/path/to/python/exec-prefix/include,
 636 dnl        -L/path/to/python/exec-prefix/lib.
 637 dnl        Python 2.7, 2.6, 2.5, and then 2.4 are tried in turn.
 638 dnl        NOTE: This case is historical.  It is what was done for 7.0/7.1
 639 dnl        but is deprecated.
 640 dnl /path/to/python/executable -
 641 dnl        Run python-config.py with this version of python to fetch the
 642 dnl        compilation parameters.
 643 dnl        NOTE: This needn't be the real python executable.
 644 dnl        In a cross-compilation scenario (build != host), this could be
 645 dnl        a shell script that provides what python-config.py provides for
 646 dnl        --ldflags, --includes, --exec-prefix.
 647 dnl python-executable -
 648 dnl        Find python-executable in $PATH, and then handle the same as
 649 dnl        /path/to/python/executable.
 650 dnl
 651 dnl If a python program is specified, it is used to run python-config.py and
 652 dnl is passed --ldflags, --includes, --exec-prefix.
 653
 654 AC_ARG_WITH(python,
 655   AS_HELP_STRING([--with-python@<:@=PYTHON@:>@], [include python support (auto/yes/no/<python-program>)]),
 656   [], [with_python=auto])
 657 AC_MSG_CHECKING([whether to use python])
 658 AC_MSG_RESULT([$with_python])
 659
 660 if test "${with_python}" = no; then
 661   AC_MSG_WARN([python support disabled; some features may be unavailable.])
 662   have_libpython=no
 663 else
 664   case "${with_python}" in
 665   /*)
 666     if test -d ${with_python}; then
 667       # Assume the python binary is ${with_python}/bin/python.
 668       python_prog="${with_python}/bin/python"
 669       python_prefix=
 670       if test ! -x "${python_prog}"; then
 671         # Fall back to gdb 7.0/7.1 behaviour.
 672         python_prog=missing
 673         python_prefix=${with_python}
 674       fi
 675     elif test -x "${with_python}"; then
 676       # While we can't run python compiled for $host (unless host == build),
 677       # the user could write a script that provides the needed information,
 678       # so we support that.
 679       python_prog=${with_python}
 680       python_prefix=
 681     else
 682       AC_ERROR(invalid value for --with-python)
 683     fi
 684     ;;
 685   */*)
 686     # Disallow --with-python=foo/bar.
 687     AC_ERROR(invalid value for --with-python)
 688     ;;
 689   *)
 690     # The user has either specified auto, yes, or the name of the python
 691     # program assumed to be in $PATH.
 692     python_prefix=
 693     case "${with_python}" in
 694     yes | auto)
 695       if test ${build} = ${host}; then
 696         AC_PATH_PROG(python_prog_path, python, missing)
 697         if test "${python_prog_path}" = missing; then
 698           python_prog=missing
 699         else
 700           python_prog=${python_prog_path}
 701         fi
 702       else
 703         # Not much we can do except assume the cross-compiler will find the
 704         # right files.
 705         python_prog=missing
 706       fi
 707       ;;
 708     *)
 709       # While we can't run python compiled for $host (unless host == build),
 710       # the user could write a script that provides the needed information,
 711       # so we support that.
 712       python_prog="${with_python}"
 713       AC_PATH_PROG(python_prog_path, ${python_prog}, missing)
 714       if test "${python_prog_path}" = missing; then
 715         AC_ERROR(unable to find python program ${python_prog})
 716       fi
 717       ;;
 718     esac
 719   esac
 720
 721   if test "${python_prog}" != missing; then
 722     # We have a python program to use, but it may be too old.
 723     # Don't flag an error for --with-python=auto (the default).
 724     have_python_config=yes
 725     python_includes=`${python_prog} ${srcdir}/python/python-config.py --includes`
 726     if test $? != 0; then
 727       have_python_config=failed
 728       if test "${with_python}" != auto; then
 729         AC_ERROR(failure running python-config --includes)
 730       fi
 731     fi
 732     python_libs=`${python_prog} ${srcdir}/python/python-config.py --ldflags`
 733     if test $? != 0; then
 734       have_python_config=failed
 735       if test "${with_python}" != auto; then
 736         AC_ERROR(failure running python-config --ldflags)
 737       fi
 738     fi
 739     python_prefix=`${python_prog} ${srcdir}/python/python-config.py --exec-prefix`
 740     if test $? != 0; then
 741       have_python_config=failed
 742       if test "${with_python}" != auto; then
 743         AC_ERROR(failure running python-config --exec-prefix)
 744       fi
 745     fi
 746   else
 747     # Fall back to gdb 7.0/7.1 behaviour.
 748     if test -z ${python_prefix}; then
 749       python_includes=
 750       python_libs=
 751     else
 752       python_includes="-I${python_prefix}/include"
 753       python_libs="-L${python_prefix}/lib"
 754     fi
 755     have_python_config=no
 756   fi
 757
 758   # Having "/pythonX.Y" in the include path is awkward.
 759   # All those python headers get bubbled up to the top inviting lots
 760   # of random collisions.  GDB originally didn't use python-config to
 761   # find the compilation parameters and includes "pythonX.Y/" in the
 762   # path of the, umm, include file.  So strip away this part of the
 763   # output of python-config --includes.
 764   python_includes=`echo "${python_includes} " \
 765                         | sed -e 's,/python[[0-9]]*[[.]][[0-9]]* , ,g'`
 766
 767   # If we have python-config, only try the configuration it provides.
 768   # Otherwise fallback on the old way of trying different versions of
 769   # python in turn.
 770
 771   have_libpython=no
 772   if test "${have_python_config}" = yes; then
 773     python_version=`echo " ${python_libs} " \
 774                          | sed -e 's,^.* -l\(python[[0-9]]*[[.]][[0-9]]*\) .*$,\1,'`
 775     case "${python_version}" in
 776     python*)
 777       AC_TRY_LIBPYTHON(${python_version}, have_libpython,
 778                        ${python_includes}, ${python_libs})
 779       ;;
 780     *)
 781       AC_MSG_ERROR([unable to determine python version from ${python_libs}])
 782       ;;
 783     esac
 784   elif test "${have_python_config}" != failed; then
 785     if test "${have_libpython}" = no; then
 786       AC_TRY_LIBPYTHON(python2.7, have_libpython,
 787                        ${python_includes}, "${python_libs} -lpython2.7")
 788     fi
 789     if test "${have_libpython}" = no; then
 790       AC_TRY_LIBPYTHON(python2.6, have_libpython,
 791                        ${python_includes}, "${python_libs} -lpython2.6")
 792     fi
 793     if test ${have_libpython} = no; then
 794       AC_TRY_LIBPYTHON(python2.5, have_libpython,
 795                        ${python_includes}, "${python_libs} -lpython2.5")
 796     fi
 797     if test ${have_libpython} = no; then
 798       AC_TRY_LIBPYTHON(python2.4, have_libpython,
 799                        ${python_includes}, "${python_libs} -lpython2.4")
 800     fi
 801   fi
 802   if test "${have_libpython}" = python2.7; then
 803     AC_DEFINE(HAVE_LIBPYTHON2_7, 1, [Define if Python 2.7 is being used.])
 804   elif test "${have_libpython}" = python2.6; then
 805     AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
 806   elif test "${have_libpython}" = python2.5; then
 807     AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
 808   elif test "${have_libpython}" = python2.4; then
 809     AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
 810   fi
 811
 812   if test "${have_libpython}" = no; then
 813     case "${with_python}" in
 814     yes)
 815       AC_MSG_ERROR([python is missing or unusable])
 816       ;;
 817     auto)
 818       AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
 819       ;;
 820     *)
 821       AC_MSG_ERROR([no usable python found at ${with_python}])
 822       ;;
 823     esac
 824   else
 825     if test -n "${python_prefix}"; then
 826       AC_DEFINE_UNQUOTED(WITH_PYTHON_PATH, "${python_prefix}",
 827                          [Define if --with-python provides a path, either directly or via python-config.py --exec-prefix.])
 828       GDB_AC_DEFINE_RELOCATABLE(PYTHON_PATH, python, ${python_prefix})
 829     fi
 830   fi
 831 fi
 832
 833 if test "${have_libpython}" != no; then
 834   AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
 835   CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
 836   CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
 837   CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
 838   CONFIG_INSTALL="$CONFIG_INSTALL install-python"
 839   ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
 840
 841   # Flags needed to compile Python code (taken from python-config --cflags).
 842   # We cannot call python-config directly because it will output whatever was
 843   # used when compiling the Python interpreter itself, including flags which
 844   # would make the python-related objects be compiled differently from the
 845   # rest of GDB (e.g., -O2 and -fPIC).
 846   if test "${GCC}" = yes; then
 847     tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
 848   fi
 849
 850   if test "x${tentative_python_cflags}" != x; then
 851     AC_MSG_CHECKING(compiler flags for python code)
 852     for flag in ${tentative_python_cflags}; do
 853       # Check that the compiler accepts it
 854       saved_CFLAGS="$CFLAGS"
 855       CFLAGS="$CFLAGS $flag"
 856       AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
 857       CFLAGS="$saved_CFLAGS"
 858     done
 859     AC_MSG_RESULT(${PYTHON_CFLAGS})
 860   fi
 861 else
 862   # Even if Python support is not compiled in, we need to have these files
 863   # included.
 864   CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
 865   CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
 866         python/py-prettyprint.c python/py-auto-load.c"
 867 fi
 868 AC_SUBST(PYTHON_CFLAGS)
 869
 870 # ------------------------- #
 871 # Checks for header files.  #
 872 # ------------------------- #
 873
 874 AC_HEADER_DIRENT
 875 AC_HEADER_STAT
 876 AC_HEADER_STDC
 877 # elf_hp.h is for HP/UX 64-bit shared library support.
 878 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
 879 # unconditionally, so what's the point in checking these?
 880 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
 881                   thread_db.h gnu/libc-version.h signal.h stddef.h \
 882                   stdlib.h string.h memory.h strings.h sys/fault.h \
 883                   sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
 884                   sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
 885                   sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
 886                   sys/types.h sys/wait.h wait.h termios.h termio.h \
 887                   sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h])
 888 AC_CHECK_HEADERS(link.h, [], [],
 889 [#if HAVE_SYS_TYPES_H
 890 # include <sys/types.h>
 891 #endif
 892 #if HAVE_NLIST_H
 893 # include <nlist.h>
 894 #endif
 895 ])
 896 AC_CHECK_HEADERS(sys/proc.h, [], [],
 897 [#if HAVE_SYS_PARAM_H
 898 # include <sys/param.h>
 899 #endif
 900 ])
 901 AC_CHECK_HEADERS(sys/user.h, [], [],
 902 [#if HAVE_SYS_PARAM_H
 903 # include <sys/param.h>
 904 #endif
 905 ])
 906
 907 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
 908 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
 909 # think that we don't have <curses.h> if we're using GCC.
 910 case $host_os in
 911   solaris2.[[789]])
 912     if test "$GCC" = yes; then
 913       AC_DEFINE(_MSE_INT_H, 1,
 914         [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
 915    Solaris 2.[789] when using GCC. ])
 916     fi ;;
 917 esac
 918 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
 919 AC_CHECK_HEADERS(term.h, [], [],
 920 [#if HAVE_CURSES_H
 921 # include <curses.h>
 922 #endif
 923 ])
 924
 925 # ------------------------- #
 926 # Checks for declarations.  #
 927 # ------------------------- #
 928
 929 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
 930                 snprintf, vsnprintf])
 931 AM_LC_MESSAGES
 932
 933 # ----------------------- #
 934 # Checks for structures.  #
 935 # ----------------------- #
 936
 937 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
 938
 939 # ------------------ #
 940 # Checks for types.  #
 941 # ------------------ #
 942
 943 AC_TYPE_SIGNAL
 944 AC_CHECK_TYPES(socklen_t, [], [],
 945 [#include <sys/types.h>
 946 #include <sys/socket.h>
 947 ])
 948
 949 # ------------------------------------- #
 950 # Checks for compiler characteristics.  #
 951 # ------------------------------------- #
 952
 953 AC_C_CONST
 954 AC_C_INLINE
 955 AC_C_BIGENDIAN
 956
 957 # ------------------------------ #
 958 # Checks for library functions.  #
 959 # ------------------------------ #
 960
 961 AC_FUNC_ALLOCA
 962 AC_FUNC_MMAP
 963 AC_FUNC_VFORK
 964 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
 965                 getgid pipe poll pread64 resize_term sbrk setpgid setpgrp setsid \
 966                 sigaction sigprocmask sigsetmask socketpair syscall \
 967                 ttrace wborder wresize setlocale iconvlist libiconvlist btowc \
 968                 setrlimit getrlimit posix_madvise waitpid])
 969 AM_LANGINFO_CODESET
 970
 971 # Check the return and argument types of ptrace.  No canned test for
 972 # this, so roll our own.
 973 gdb_ptrace_headers='
 974 #if HAVE_SYS_TYPES_H
 975 # include <sys/types.h>
 976 #endif
 977 #if HAVE_SYS_PTRACE_H
 978 # include <sys/ptrace.h>
 979 #endif
 980 #if HAVE_UNISTD_H
 981 # include <unistd.h>
 982 #endif
 983 '
 984 # There is no point in checking if we don't have a prototype.
 985 AC_CHECK_DECLS(ptrace, [], [
 986   : ${gdb_cv_func_ptrace_ret='int'}
 987   : ${gdb_cv_func_ptrace_args='int,int,long,long'}
 988 ], $gdb_ptrace_headers)
 989 # Check return type.  Varargs (used on GNU/Linux) conflict with the
 990 # empty argument list, so check for that explicitly.
 991 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
 992   AC_TRY_COMPILE($gdb_ptrace_headers,
 993     [extern long ptrace (enum __ptrace_request, ...);],
 994     gdb_cv_func_ptrace_ret='long',
 995     AC_TRY_COMPILE($gdb_ptrace_headers,
 996       [extern int ptrace ();],
 997       gdb_cv_func_ptrace_ret='int',
 998       gdb_cv_func_ptrace_ret='long')))
 999 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
1000   [Define as the return type of ptrace.])
1001 # Check argument types.
1002 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
1003   AC_TRY_COMPILE($gdb_ptrace_headers,
1004     [extern long ptrace (enum __ptrace_request, ...);],
1005     [gdb_cv_func_ptrace_args='int,int,long,long'],[
1006 for gdb_arg1 in 'int' 'long'; do
1007  for gdb_arg2 in 'pid_t' 'int' 'long'; do
1008   for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
1009    for gdb_arg4 in 'int' 'long'; do
1010      AC_TRY_COMPILE($gdb_ptrace_headers, [
1011 extern $gdb_cv_func_ptrace_ret
1012   ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
1013 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
1014     break 4;])
1015     for gdb_arg5 in 'int *' 'int' 'long'; do
1016      AC_TRY_COMPILE($gdb_ptrace_headers, [
1017 extern $gdb_cv_func_ptrace_ret
1018   ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
1019 ], [
1020 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
1021     break 5;])
1022     done
1023    done
1024   done
1025  done
1026 done
1027 # Provide a safe default value.
1028 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
1029 ])])
1030 ac_save_IFS=$IFS; IFS=','
1031 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
1032 IFS=$ac_save_IFS
1033 shift
1034 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
1035   [Define to the type of arg 3 for ptrace.])
1036 if test -n "$[5]"; then
1037   AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
1038     [Define to the type of arg 5 for ptrace.])
1039 fi
1040
1041 dnl AC_FUNC_SETPGRP does not work when cross compiling
1042 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
1043 if test "$cross_compiling" = no; then
1044   AC_FUNC_SETPGRP
1045 else
1046   AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
1047     [AC_TRY_COMPILE([
1048 #include <unistd.h>
1049 ], [
1050   if (setpgrp(1,1) == -1)
1051     exit (0);
1052   else
1053     exit (1);
1054 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
1055 if test $ac_cv_func_setpgrp_void = yes; then
1056   AC_DEFINE(SETPGRP_VOID, 1)
1057 fi
1058 fi
1059
1060 # Check if sigsetjmp is available.  Using AC_CHECK_FUNCS won't do
1061 # since sigsetjmp might only be defined as a macro.
1062 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
1063 [AC_TRY_COMPILE([
1064 #include <setjmp.h>
1065 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
1066 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
1067 if test $gdb_cv_func_sigsetjmp = yes; then
1068   AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
1069 fi
1070
1071 # Assume we'll default to using the included libiberty regex.
1072 gdb_use_included_regex=yes
1073
1074 # However, if the system regex is GNU regex, then default to *not*
1075 # using the included regex.
1076 AC_CACHE_CHECK(
1077   [for GNU regex],
1078   [gdb_cv_have_gnu_regex],
1079   [AC_TRY_COMPILE(
1080     [#include <gnu-versions.h>],
1081     [#define REGEX_INTERFACE_VERSION 1
1082 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
1083 # error "Version mismatch"
1084 #endif],
1085     gdb_cv_have_gnu_regex=yes,
1086     gdb_cv_have_gnu_regex=no)])
1087 if test $gdb_cv_have_gnu_regex = yes; then
1088   gdb_use_included_regex=no
1089 fi
1090
1091 AC_ARG_WITH(included-regex,
1092   AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
1093   gdb_with_regex=$withval,
1094   gdb_with_regex=$gdb_use_included_regex)
1095 if test "$gdb_with_regex" = yes; then
1096   AC_DEFINE(USE_INCLUDED_REGEX, 1,
1097     [Define to 1 if the regex included in libiberty should be used.])
1098 fi
1099
1100 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
1101 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
1102 [#include <sys/param.h>
1103 #include <sys/proc.h>
1104 ])
1105
1106 # See if <sys/lwp.h> defines `struct lwp`.
1107 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
1108 [AC_TRY_COMPILE([#include <sys/param.h>
1109 #include <sys/lwp.h>], [struct lwp l;],
1110 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
1111 if test $gdb_cv_struct_lwp = yes; then
1112   AC_DEFINE(HAVE_STRUCT_LWP, 1,
1113             [Define to 1 if your system has struct lwp.])
1114 fi
1115
1116 # See if <machine/reg.h> degines `struct reg'.
1117 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
1118 [AC_TRY_COMPILE([#include <sys/types.h>
1119 #include <machine/reg.h>], [struct reg r;],
1120 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
1121 if test $gdb_cv_struct_reg = yes; then
1122   AC_DEFINE(HAVE_STRUCT_REG, 1,
1123             [Define to 1 if your system has struct reg in <machine/reg.h>.])
1124 fi
1125
1126 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
1127 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
1128 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
1129                  [#include <machine/reg.h>])
1130
1131 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
1132 AC_MSG_CHECKING(for PTRACE_GETREGS)
1133 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
1134 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1135                 [PTRACE_GETREGS;],
1136                 [gdb_cv_have_ptrace_getregs=yes],
1137                 [gdb_cv_have_ptrace_getregs=no])])
1138 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
1139 if test $gdb_cv_have_ptrace_getregs = yes; then
1140   AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
1141   [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
1142 fi
1143
1144 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
1145 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
1146 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
1147 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
1148                 [PTRACE_GETFPXREGS;],
1149                 [gdb_cv_have_ptrace_getfpxregs=yes],
1150                 [gdb_cv_have_ptrace_getfpxregs=no])])
1151 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
1152 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
1153   AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
1154   [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
1155 fi
1156
1157 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
1158 AC_MSG_CHECKING(for PT_GETDBREGS)
1159 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1160 [AC_TRY_COMPILE([#include <sys/types.h>
1161 #include <sys/ptrace.h>],
1162                 [PT_GETDBREGS;],
1163                 [gdb_cv_have_pt_getdbregs=yes],
1164                 [gdb_cv_have_pt_getdbregs=no])])
1165 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1166 if test $gdb_cv_have_pt_getdbregs = yes; then
1167   AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1168   [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1169 fi
1170
1171 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1172 AC_MSG_CHECKING(for PT_GETXMMREGS)
1173 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1174 [AC_TRY_COMPILE([#include <sys/types.h>
1175 #include <sys/ptrace.h>],
1176                 [PT_GETXMMREGS;],
1177                 [gdb_cv_have_pt_getxmmregs=yes],
1178                 [gdb_cv_have_pt_getxmmregs=no])])
1179 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1180 if test $gdb_cv_have_pt_getxmmregs = yes; then
1181   AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1182   [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1183 fi
1184
1185 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1186
1187 if test "${target}" = "${host}"; then
1188   case "${host}" in
1189   *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1190       AC_DEFINE(NEW_PROC_API, 1,
1191       [Define if you want to use new multi-fd /proc interface
1192        (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1193       ;;
1194   *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1195       AC_DEFINE(NEW_PROC_API, 1,
1196       [Define if you want to use new multi-fd /proc interface
1197        (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1198       ;;
1199   mips-sgi-irix5*)
1200       # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1201       AC_DEFINE([_KMEMUSER], 1,
1202       [Define to 1 so <sys/proc.h> gets a definition of anon_hdl.  Works
1203        around a <sys/proc.h> problem on IRIX 5.])
1204       ;;
1205   esac
1206 fi
1207
1208 if test "$ac_cv_header_sys_procfs_h" = yes; then
1209   BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1210   BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1211   BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1212   BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1213   BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1214   BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1215   BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1216   BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1217   BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1218   BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1219   BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1220   BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1221   BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1222   BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1223
1224
1225   dnl Check for broken prfpregset_t type
1226
1227   dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1228   dnl prfpregset_t type (it's a typedef for the pointer to a struct
1229   dnl instead of the struct itself).  We detect this here, and work
1230   dnl around it in gdb_proc_service.h.
1231
1232   if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1233     AC_MSG_CHECKING(whether prfpregset_t type is broken)
1234     AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1235       [AC_TRY_RUN([#include <sys/procfs.h>
1236        int main ()
1237        {
1238          if (sizeof (prfpregset_t) == sizeof (void *))
1239            return 1;
1240          return 0;
1241        }],
1242        gdb_cv_prfpregset_t_broken=no,
1243        gdb_cv_prfpregset_t_broken=yes,
1244        gdb_cv_prfpregset_t_broken=yes)])
1245     AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1246     if test $gdb_cv_prfpregset_t_broken = yes; then
1247       AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1248       [Define if the prfpregset_t type is broken.])
1249     fi
1250   fi
1251
1252   dnl Check for PIOCSET ioctl entry
1253
1254   AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1255   AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1256   [AC_TRY_COMPILE([#include <unistd.h>
1257 #include <sys/types.h>
1258 #include <sys/procfs.h>
1259 ], [
1260     int dummy;;
1261     dummy = ioctl(0, PIOCSET, &dummy);
1262   ],
1263   gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1264   AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1265   if test $gdb_cv_have_procfs_piocset = yes; then
1266     AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1267     [Define if ioctl argument PIOCSET is available.])
1268   fi
1269 fi
1270
1271 dnl For native ports (host == target), check to see what kind of
1272 dnl legacy link.h support is needed.  (See solib-legacy.c.)
1273 if test ${host} = ${target} ; then
1274   dnl Check for struct link_map with l_ members which are indicative
1275   dnl of SVR4-like shared libraries
1276
1277   AC_MSG_CHECKING(for member l_addr in struct link_map)
1278   AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1279     [AC_TRY_COMPILE([#include <link.h>],
1280                     [struct link_map lm; (void) lm.l_addr;],
1281                     gdb_cv_have_struct_link_map_with_l_members=yes,
1282                     gdb_cv_have_struct_link_map_with_l_members=no)])
1283   AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1284   if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1285     AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1286     [Define if <link.h> exists and defines struct link_map which has
1287      members with an ``l_'' prefix.  (For Solaris, SVR4, and
1288      SVR4-like systems.)])
1289   fi
1290
1291   dnl Check for struct link_map with lm_ members which are indicative
1292   dnl of SunOS-like shared libraries
1293
1294   AC_MSG_CHECKING(for member lm_addr in struct link_map)
1295   AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1296     [AC_TRY_COMPILE([#include <sys/types.h>
1297 #include <link.h>],
1298                     [struct link_map lm; (void) lm.lm_addr;],
1299                     gdb_cv_have_struct_link_map_with_lm_members=yes,
1300                     gdb_cv_have_struct_link_map_with_lm_members=no)])
1301   AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1302   if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1303     AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1304     [Define if <link.h> exists and defines struct link_map which has
1305      members with an ``lm_'' prefix.  (For SunOS.)])
1306   fi
1307
1308   dnl Check for struct so_map with som_ members which are found on
1309   dnl some *BSD systems.
1310
1311   AC_MSG_CHECKING(for member som_addr in struct so_map)
1312   AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1313     [AC_TRY_COMPILE([#include <sys/types.h>
1314 #ifdef HAVE_NLIST_H
1315 #include <nlist.h>
1316 #endif
1317 #include <link.h>],
1318                     [struct so_map lm; (void) lm.som_addr;],
1319                     gdb_cv_have_struct_so_map_with_som_members=yes,
1320                     gdb_cv_have_struct_so_map_with_som_members=no)])
1321   AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1322   if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1323     AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1324     [Define if <link.h> exists and defines a struct so_map which has
1325      members with an ``som_'' prefix.  (Found on older *BSD systems.)])
1326   fi
1327
1328   dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1329   dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1330
1331   AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1332   AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1333     [AC_TRY_COMPILE([#define _SYSCALL32
1334 #include <sys/link.h>], [struct link_map32 l;],
1335      gdb_cv_have_struct_link_map32=yes,
1336      gdb_cv_have_struct_link_map32=no)])
1337   AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1338   if test $gdb_cv_have_struct_link_map32 = yes; then
1339     AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1340     [Define if <sys/link.h> has struct link_map32])
1341     AC_DEFINE(_SYSCALL32, 1,
1342     [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1343   fi
1344 fi
1345
1346 # Check if the compiler supports the `long long' type.
1347
1348 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1349                [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1350 [[extern long long foo;]],
1351 [[switch (foo & 2) { case 0: return 1; }]])],
1352                                   gdb_cv_c_long_long=yes,
1353                                   gdb_cv_c_long_long=no)])
1354 if test $gdb_cv_c_long_long = yes; then
1355   AC_DEFINE(CC_HAS_LONG_LONG, 1,
1356             [Define to 1 if the compiler supports long long.])
1357 fi
1358
1359 # Check if the compiler and runtime support printing long longs.
1360
1361 AC_CACHE_CHECK([for long long support in printf],
1362                gdb_cv_printf_has_long_long,
1363                [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1364 [[char buf[32];
1365   long long l = 0;
1366   l = (l << 16) + 0x0123;
1367   l = (l << 16) + 0x4567;
1368   l = (l << 16) + 0x89ab;
1369   l = (l << 16) + 0xcdef;
1370   sprintf (buf, "0x%016llx", l);
1371   return (strcmp ("0x0123456789abcdef", buf));]])],
1372                               gdb_cv_printf_has_long_long=yes,
1373                               gdb_cv_printf_has_long_long=no,
1374                               gdb_cv_printf_has_long_long=no)])
1375 if test $gdb_cv_printf_has_long_long = yes; then
1376   AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1377             [Define to 1 if the "%ll" format works to print long longs.])
1378 fi
1379
1380 # Check if the compiler and runtime support printing decfloats.
1381
1382 AC_CACHE_CHECK([for decfloat support in printf],
1383                gdb_cv_printf_has_decfloat,
1384                [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1385 [[char buf[64];
1386   _Decimal32 d32 = 1.2345df;
1387   _Decimal64 d64 = 1.2345dd;
1388   _Decimal128 d128 = 1.2345dl;
1389   sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1390   return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1391                               gdb_cv_printf_has_decfloat=yes,
1392                               gdb_cv_printf_has_decfloat=no,
1393                               gdb_cv_printf_has_decfloat=no)])
1394 if test $gdb_cv_printf_has_decfloat = yes; then
1395   AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1396             [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1397 fi
1398
1399 # Check if the compiler supports the `long double' type.  We can't use
1400 # AC_C_LONG_DOUBLE because that one does additional checks on the
1401 # constants defined in <float.h> that fail on some systems,
1402 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1403
1404 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1405                [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1406                                   gdb_cv_c_long_double=yes,
1407                                   gdb_cv_c_long_double=no)])
1408 if test $gdb_cv_c_long_double = yes; then
1409   AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1410            [Define to 1 if the compiler supports long double.])
1411 fi
1412
1413 # Check if the compiler and runtime support printing long doubles.
1414
1415 AC_CACHE_CHECK([for long double support in printf],
1416                gdb_cv_printf_has_long_double,
1417                [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1418 [[char buf[16];
1419   long double f = 3.141592653;
1420   sprintf (buf, "%Lg", f);
1421   return (strncmp ("3.14159", buf, 7));]])],
1422                               gdb_cv_printf_has_long_double=yes,
1423                               gdb_cv_printf_has_long_double=no,
1424                               gdb_cv_printf_has_long_double=no)])
1425 if test $gdb_cv_printf_has_long_double = yes; then
1426   AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1427             [Define to 1 if the "%Lg" format works to print long doubles.])
1428 fi
1429
1430 # Check if the compiler and runtime support scanning long doubles.
1431
1432 AC_CACHE_CHECK([for long double support in scanf],
1433                gdb_cv_scanf_has_long_double,
1434                [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1435 [[#include <stdio.h>]],
1436 [[char *buf = "3.141592653";
1437   long double f = 0;
1438   sscanf (buf, "%Lg", &f);
1439   return !(f > 3.14159 && f < 3.14160);]])],
1440                               gdb_cv_scanf_has_long_double=yes,
1441                               gdb_cv_scanf_has_long_double=no,
1442                               gdb_cv_scanf_has_long_double=no)])
1443 if test $gdb_cv_scanf_has_long_double = yes; then
1444   AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1445             [Define to 1 if the "%Lg" format works to scan long doubles.])
1446 fi
1447
1448 case ${host_os} in
1449 aix*)
1450   AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1451     SAVE_LDFLAGS=$LDFLAGS
1452
1453     case $GCC in
1454     yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1455     *) gdb_cv_bigtoc=-bbigtoc ;;
1456     esac
1457
1458     LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1459     AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1460     LDFLAGS="${SAVE_LDFLAGS}"
1461   ])
1462   CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1463   ;;
1464 esac
1465
1466 AC_MSG_CHECKING(for the dynamic export flag)
1467 dynamic_list=false
1468 if test "${gdb_native}" = yes; then
1469    # The dynamically loaded libthread_db needs access to symbols in the gdb
1470    # executable.  Older GNU ld supports --export-dynamic but --dynamic-list
1471    # may not be supported there.
1472    old_LDFLAGS="$LDFLAGS"
1473    # Older GNU ld supports --export-dynamic but --dynamic-list it does not.
1474    RDYNAMIC="-Wl,--dynamic-list=${srcdir}/proc-service.list"
1475    LDFLAGS="$LDFLAGS $RDYNAMIC"
1476    if test "${have_libpython}" = no; then
1477      AC_TRY_LINK([], [], [dynamic_list=true])
1478    else
1479      # Workaround http://bugs.python.org/issue4434 where static
1480      # libpythonX.Y.a would get its symbols required for
1481      # pythonX.Y/lib-dynload/*.so modules hidden by -Wl,--dynamic-list.
1482      # Problem does not happen for the recommended libpythonX.Y.so linkage.
1483      old_CFLAGS="$CFLAGS"
1484      CFLAGS="$CFLAGS $PYTHON_CFLAGS"
1485      AC_RUN_IFELSE(
1486        AC_LANG_PROGRAM(
1487          [#include "]${have_libpython}[/Python.h"],
1488          [int err;
1489           Py_Initialize ();
1490           err = PyRun_SimpleString ("import itertools\n");
1491           Py_Finalize ();
1492           return err == 0 ? 0 : 1;]),
1493        [dynamic_list=true], [], [true])
1494      CFLAGS="$old_CFLAGS"
1495    fi
1496    LDFLAGS="$old_LDFLAGS"
1497 fi
1498 if $dynamic_list; then
1499   found="-Wl,--dynamic-list"
1500   RDYNAMIC='-Wl,--dynamic-list=$(srcdir)/proc-service.list'
1501 else
1502   found="-rdynamic"
1503   RDYNAMIC="-rdynamic"
1504 fi
1505 AC_SUBST(RDYNAMIC)
1506 AC_MSG_RESULT($found)
1507
1508 dnl For certain native configurations, we need to check whether thread
1509 dnl support can be built in or not.
1510 dnl
1511 dnl Note that we only want this if we are both native (host == target),
1512 dnl and not doing a canadian cross build (build == host).
1513
1514 if test ${build} = ${host} -a ${host} = ${target} ; then
1515    case ${host_os} in
1516    hpux*)
1517       AC_MSG_CHECKING(for HPUX/OSF thread support)
1518       if test -f /usr/include/dce/cma_config.h ; then
1519          if test "$GCC" = "yes" ; then
1520             AC_MSG_RESULT(yes)
1521             AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
1522             [Define if you have HPUX threads])
1523             CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
1524             CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
1525          else
1526             AC_MSG_RESULT(no (suppressed because you are not using GCC))
1527          fi
1528       else
1529          AC_MSG_RESULT(no)
1530       fi
1531       ;;
1532    solaris*)
1533       # See if thread_db library is around for Solaris thread debugging.
1534       # Note that we must explicitly test for version 1 of the library
1535       # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1536       # the same API.
1537       AC_MSG_CHECKING(for Solaris thread debugging library)
1538       if test -f /usr/lib/libthread_db.so.1 ; then
1539          AC_MSG_RESULT(yes)
1540          AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1541          [Define if using Solaris thread debugging.])
1542          CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1543          CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1544          AC_CHECK_LIB(dl, dlopen)
1545          CONFIG_LDFLAGS="${CONFIG_LDFLAGS} $RDYNAMIC"
1546          # Sun randomly tweaked the prototypes in <proc_service.h>
1547          # at one point.
1548          AC_MSG_CHECKING(if <proc_service.h> is old)
1549          AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1550             AC_TRY_COMPILE([
1551                 #include <proc_service.h>
1552                 ps_err_e ps_pdwrite
1553                     (struct ps_prochandle*, psaddr_t, const void*, size_t);
1554             ],, gdb_cv_proc_service_is_old=no,
1555                 gdb_cv_proc_service_is_old=yes)
1556          ])
1557          AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1558          if test $gdb_cv_proc_service_is_old = yes; then
1559             AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1560             [Define if <proc_service.h> on solaris uses int instead of
1561              size_t, and assorted other type changes.])
1562          fi
1563       else
1564          AC_MSG_RESULT(no)
1565       fi
1566       ;;
1567    aix*)
1568       AC_MSG_CHECKING(for AiX thread debugging library)
1569       AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1570                    [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1571                                    [#ifndef PTHDB_VERSION_3
1572                                     #error
1573                                     #endif],
1574                                    gdb_cv_have_aix_thread_debug=yes,
1575                                    gdb_cv_have_aix_thread_debug=no)])
1576       AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1577       if test $gdb_cv_have_aix_thread_debug = yes; then
1578          CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1579          CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1580          CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1581       fi
1582       ;;
1583    esac
1584    AC_SUBST(CONFIG_LDFLAGS)
1585 fi
1586
1587 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1588 dnl other error codes.
1589 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1590    AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1591                   gdb_cv_thread_db_h_has_td_notalloc,
1592      AC_TRY_COMPILE(
1593        [#include <thread_db.h>],
1594        [int i = TD_NOTALLOC;],
1595        gdb_cv_thread_db_h_has_td_notalloc=yes,
1596        gdb_cv_thread_db_h_has_td_notalloc=no
1597      )
1598    )
1599    AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1600                   gdb_cv_thread_db_h_has_td_version,
1601      AC_TRY_COMPILE(
1602        [#include <thread_db.h>],
1603        [int i = TD_VERSION;],
1604        gdb_cv_thread_db_h_has_td_version=yes,
1605        gdb_cv_thread_db_h_has_td_version=no
1606      )
1607    )
1608    AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1609                   gdb_cv_thread_db_h_has_td_notls,
1610      AC_TRY_COMPILE(
1611        [#include <thread_db.h>],
1612        [int i = TD_NOTLS;],
1613        gdb_cv_thread_db_h_has_td_notls=yes,
1614        gdb_cv_thread_db_h_has_td_notls=no
1615      )
1616    )
1617 fi
1618 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1619   AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1620             [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1621 fi
1622 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1623   AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1624             [Define if <thread_db.h> has the TD_VERSION error code.])
1625 fi
1626 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1627   AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1628             [Define if <thread_db.h> has the TD_NOTLS error code.])
1629 fi
1630
1631 dnl See if we have a sys/syscall header file that has __NR_tkill.
1632 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1633    AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1634                   gdb_cv_sys_syscall_h_has_tkill,
1635      AC_TRY_COMPILE(
1636        [#include <sys/syscall.h>],
1637        [int i = __NR_tkill;],
1638        gdb_cv_sys_syscall_h_has_tkill=yes,
1639        gdb_cv_sys_syscall_h_has_tkill=no
1640      )
1641    )
1642 fi
1643 dnl See if we can issue tkill syscall.
1644 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1645   AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1646 fi
1647
1648 dnl Check if we can disable the virtual address space randomization.
1649 dnl The functionality of setarch -R.
1650 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1651 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1652 #      if !HAVE_DECL_ADDR_NO_RANDOMIZE
1653 #       define ADDR_NO_RANDOMIZE 0x0040000
1654 #      endif
1655        /* Test the flag could be set and stays set.  */
1656        personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1657        if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1658            return 1])])
1659 AC_RUN_IFELSE([PERSONALITY_TEST],
1660               [have_personality=true],
1661               [have_personality=false],
1662               [AC_LINK_IFELSE([PERSONALITY_TEST],
1663                               [have_personality=true],
1664                               [have_personality=false])])
1665 if $have_personality
1666 then
1667     AC_DEFINE([HAVE_PERSONALITY], 1,
1668               [Define if you support the personality syscall.])
1669 fi
1670
1671 dnl Handle optional features that can be enabled.
1672
1673 target_sysroot_reloc=0
1674 AC_ARG_WITH(sysroot,
1675 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@], [search for usr/lib et al within DIR]),
1676 [
1677  case ${with_sysroot} in
1678  yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1679  *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1680  esac
1681
1682  TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1683
1684  if test "x$prefix" = xNONE; then
1685   test_prefix=/usr/local
1686  else
1687   test_prefix=$prefix
1688  fi
1689  if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1690   test_exec_prefix=$test_prefix
1691  else
1692   test_exec_prefix=$exec_prefix
1693  fi
1694  case ${TARGET_SYSTEM_ROOT} in
1695  "${test_prefix}"|"${test_prefix}/"*|\
1696  "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1697  '${prefix}'|'${prefix}/'*|\
1698  '${exec_prefix}'|'${exec_prefix}/'*)
1699    target_sysroot_reloc=1
1700    ;;
1701  esac
1702 ], [
1703  TARGET_SYSTEM_ROOT=
1704  TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1705 ])
1706 TARGET_SYSTEM_ROOT_DEFINE="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE=$target_sysroot_reloc"
1707 AC_SUBST(TARGET_SYSTEM_ROOT)
1708 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1709
1710 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1711     [automatically load a system-wide gdbinit file],
1712     [])
1713
1714 AC_ARG_ENABLE(werror,
1715   AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1716   [case "${enableval}" in
1717      yes | y) ERROR_ON_WARNING="yes" ;;
1718      no | n)  ERROR_ON_WARNING="no" ;;
1719      *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1720    esac])
1721
1722 # Enable -Werror by default when using gcc
1723 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1724     ERROR_ON_WARNING=yes
1725 fi
1726
1727 WERROR_CFLAGS=""
1728 if test "${ERROR_ON_WARNING}" = yes ; then
1729     WERROR_CFLAGS="-Werror"
1730 fi
1731
1732 # The entries after -Wno-pointer-sign are disabled warnings which may
1733 # be enabled in the future, which can not currently be used to build
1734 # GDB.
1735 # NOTE: If you change this list, remember to update
1736 # gdb/doc/gdbint.texinfo.
1737 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1738 -Wformat-nonliteral -Wno-pointer-sign \
1739 -Wno-unused -Wunused-value -Wunused-function \
1740 -Wno-switch -Wno-char-subscripts"
1741
1742 # Enable -Wno-format by default when using gcc on mingw since many
1743 # GCC versions complain about %I64.
1744 case "${host}" in
1745   *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1746 esac
1747
1748 AC_ARG_ENABLE(build-warnings,
1749 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1750 [case "${enableval}" in
1751   yes)  ;;
1752   no)   build_warnings="-w";;
1753   ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
1754         build_warnings="${build_warnings} ${t}";;
1755   *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
1756         build_warnings="${t} ${build_warnings}";;
1757   *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1758 esac
1759 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1760   echo "Setting compiler warning flags = $build_warnings" 6>&1
1761 fi])dnl
1762 AC_ARG_ENABLE(gdb-build-warnings,
1763 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1764 [case "${enableval}" in
1765   yes)  ;;
1766   no)   build_warnings="-w";;
1767   ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
1768         build_warnings="${build_warnings} ${t}";;
1769   *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
1770         build_warnings="${t} ${build_warnings}";;
1771   *)    build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1772 esac
1773 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1774   echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1775 fi])dnl
1776 WARN_CFLAGS=""
1777 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1778 then
1779     AC_MSG_CHECKING(compiler warning flags)
1780     # Separate out the -Werror flag as some files just cannot be
1781     # compiled with it enabled.
1782     for w in ${build_warnings}; do
1783         case $w in
1784         -Werr*) WERROR_CFLAGS=-Werror ;;
1785         *) # Check that GCC accepts it
1786             saved_CFLAGS="$CFLAGS"
1787             CFLAGS="$CFLAGS $w"
1788             AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1789             CFLAGS="$saved_CFLAGS"
1790         esac
1791     done
1792     AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1793 fi
1794 AC_SUBST(WARN_CFLAGS)
1795 AC_SUBST(WERROR_CFLAGS)
1796
1797 # In the Cygwin environment, we need some additional flags.
1798 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1799 [AC_EGREP_CPP(lose, [
1800 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1801 lose
1802 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1803
1804
1805 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1806 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1807 case ${host} in
1808   *go32* ) SER_HARDWIRE=ser-go32.o ;;
1809   *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1810   *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1811 esac
1812 AC_SUBST(SER_HARDWIRE)
1813
1814 # libreadline needs libuser32.a in a cygwin environment
1815 WIN32LIBS=
1816 if test x$gdb_cv_os_cygwin = xyes; then
1817     WIN32LIBS="-luser32"
1818     case "${target}" in
1819         *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1820         ;;
1821     esac
1822 fi
1823
1824 # The ser-tcp.c module requires sockets.
1825 case ${host} in
1826   *mingw32*)
1827     AC_DEFINE(USE_WIN32API, 1,
1828               [Define if we should use the Windows API, instead of the
1829                POSIX API.  On Windows, we use the Windows API when
1830                building for MinGW, but the POSIX API when building
1831                for Cygwin.])
1832     WIN32LIBS="$WIN32LIBS -lws2_32"
1833     ;;
1834 esac
1835 AC_SUBST(WIN32LIBS)
1836
1837 # Add ELF support to GDB, but only if BFD includes ELF support.
1838 OLD_CFLAGS=$CFLAGS
1839 OLD_LDFLAGS=$LDFLAGS
1840 OLD_LIBS=$LIBS
1841 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1842 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1843 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1844 # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1845 if test "$plugins" = "yes"; then
1846   LIBS="-ldl $LIBS"
1847 fi
1848 LIBS="-lbfd -liberty $intl $LIBS"
1849 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1850 [AC_TRY_LINK(
1851 [#include <stdlib.h>
1852 #include "bfd.h"
1853 #include "elf-bfd.h"
1854 ],
1855 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1856 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1857 if test $gdb_cv_var_elf = yes; then
1858   CONFIG_OBS="$CONFIG_OBS elfread.o"
1859   AC_DEFINE(HAVE_ELF, 1,
1860             [Define if ELF support should be included.])
1861   # -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
1862   if test "$plugins" = "yes"; then
1863     OLD_LIBS="-ldl $OLD_LIBS"
1864   fi
1865 fi
1866 CFLAGS=$OLD_CFLAGS
1867 LDFLAGS=$OLD_LDFLAGS
1868 LIBS=$OLD_LIBS
1869
1870 # Add any host-specific objects to GDB.
1871 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1872
1873 LIBGUI="../libgui/src/libgui.a"
1874 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1875 AC_SUBST(LIBGUI)
1876 AC_SUBST(GUI_CFLAGS_X)
1877
1878 WIN32LDAPP=
1879 AC_SUBST(WIN32LIBS)
1880 AC_SUBST(WIN32LDAPP)
1881
1882 case "${host}" in
1883 *-*-cygwin* | *-*-mingw* )
1884     configdir="win"
1885     ;;
1886 *)
1887     configdir="unix"
1888     ;;
1889 esac
1890
1891 GDBTKLIBS=
1892 if test "${enable_gdbtk}" = "yes"; then
1893
1894     # Gdbtk must have an absolute path to srcdir in order to run
1895     # properly when not installed.
1896     here=`pwd`
1897     cd ${srcdir}
1898     GDBTK_SRC_DIR=`pwd`
1899     cd $here
1900
1901     SC_PATH_TCLCONFIG
1902
1903     # If $no_tk is nonempty, then we can't do Tk, and there is no
1904     # point to doing Tcl.
1905     SC_PATH_TKCONFIG
1906
1907     if test -z "${no_tcl}" -a -z "${no_tk}"; then
1908         SC_LOAD_TCLCONFIG
1909
1910         # Check for in-tree tcl
1911         here=`pwd`
1912         cd ${srcdir}/..
1913         topdir=`pwd`
1914         cd ${here}
1915
1916         intree="no"
1917         if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1918           intree="yes"
1919         fi
1920
1921         # Find Tcl private headers
1922         if test x"${intree}" = xno; then
1923           CY_AC_TCL_PRIVATE_HEADERS
1924           TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1925           TCL_LIBRARY="${TCL_LIB_SPEC}"
1926           TCL_DEPS=""
1927         else
1928           # If building tcl in the same src tree, private headers
1929           # are not needed, but we need to be sure to use the right
1930           # headers library
1931           TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1932           TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1933           TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1934         fi
1935         AC_SUBST(TCL_INCLUDE)
1936         AC_SUBST(TCL_LIBRARY)
1937         AC_SUBST(TCL_DEPS)
1938
1939         SC_LOAD_TKCONFIG
1940
1941         # Check for in-tree Tk
1942         intree="no"
1943         if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1944           intree="yes"
1945         fi
1946
1947         # Find Tk private headers
1948         if test x"${intree}" = xno; then
1949           CY_AC_TK_PRIVATE_HEADERS
1950           TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1951           TK_LIBRARY=${TK_LIB_SPEC}
1952           TK_DEPS=""
1953         else
1954           TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1955           TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1956           TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1957         fi
1958         AC_SUBST(TK_INCLUDE)
1959         AC_SUBST(TK_LIBRARY)
1960         AC_SUBST(TK_DEPS)
1961         AC_SUBST(TK_XINCLUDES)
1962
1963         ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1964
1965         # Include some libraries that Tcl and Tk want.
1966         TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1967         # Yes, the ordering seems wrong here.  But it isn't.
1968         # TK_LIBS is the list of libraries that need to be linked
1969         # after Tcl/Tk.  Note that this isn't put into LIBS.  If it
1970         # were in LIBS then any link tests after this point would
1971         # try to include things like `$(LIBGUI)', which wouldn't work.
1972         GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1973
1974         CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1975         CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1976         CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1977         CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1978         CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1979         CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1980         CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1981
1982         if test x$gdb_cv_os_cygwin = xyes; then
1983           WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1984           WIN32LDAPP="-Wl,--subsystem,console"
1985           CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1986         fi
1987
1988         AC_CONFIG_SUBDIRS(gdbtk)
1989     fi
1990 fi
1991
1992 AC_SUBST(X_CFLAGS)
1993 AC_SUBST(X_LDFLAGS)
1994 AC_SUBST(X_LIBS)
1995 AC_SUBST(GDBTKLIBS)
1996 AC_SUBST(GDBTK_CFLAGS)
1997 AC_SUBST(GDBTK_SRC_DIR)
1998
1999 AC_PATH_X
2000
2001 # Unlike the sim directory, whether a simulator is linked is controlled by
2002 # presence of a gdb_sim definition in the target configure.tgt entry.
2003 # This code just checks for a few cases where we'd like to ignore those
2004 # definitions, even when they're present in the '.mt' file.  These cases
2005 # are when --disable-sim is specified, or if the simulator directory is
2006 # not part of the source tree.
2007 #
2008 AC_ARG_ENABLE(sim,
2009 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
2010 [echo "enable_sim = $enable_sim";
2011  echo "enableval = ${enableval}";
2012  case "${enableval}" in
2013   yes) ignore_sim=false ;;
2014   no)  ignore_sim=true ;;
2015   *)   ignore_sim=false ;;
2016  esac],
2017 [ignore_sim=false])
2018
2019 if test ! -d "${srcdir}/../sim"; then
2020   ignore_sim=true
2021 fi
2022
2023 SIM=
2024 SIM_OBS=
2025 if test "${ignore_sim}" = "false"; then
2026   if test x"${gdb_sim}" != x ; then
2027     SIM="${gdb_sim}"
2028     SIM_OBS="remote-sim.o"
2029     AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
2030   fi
2031 fi
2032 AC_SUBST(SIM)
2033 AC_SUBST(SIM_OBS)
2034
2035 AC_SUBST(ENABLE_CFLAGS)
2036 AC_SUBST(PROFILE_CFLAGS)
2037
2038 AC_SUBST(CONFIG_OBS)
2039 AC_SUBST(CONFIG_DEPS)
2040 AC_SUBST(CONFIG_SRCS)
2041 AC_SUBST(CONFIG_ALL)
2042 AC_SUBST(CONFIG_CLEAN)
2043 AC_SUBST(CONFIG_INSTALL)
2044 AC_SUBST(CONFIG_UNINSTALL)
2045
2046 # List of host floatformats.
2047 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
2048 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
2049 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
2050
2051 # target_subdir is used by the testsuite to find the target libraries.
2052 target_subdir=
2053 if test "${host}" != "${target}"; then
2054     target_subdir="${target_alias}/"
2055 fi
2056 AC_SUBST(target_subdir)
2057
2058 frags=
2059 if test "${gdb_native}" = "yes"; then
2060   host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
2061   if test ! -f ${host_makefile_frag}; then
2062     AC_MSG_ERROR("*** Gdb does not support native target ${host}")
2063   fi
2064   frags="$frags $host_makefile_frag"
2065 else
2066   host_makefile_frag=/dev/null
2067 fi
2068
2069 AC_SUBST_FILE(host_makefile_frag)
2070 AC_SUBST(frags)
2071
2072 changequote(,)dnl
2073 if test "${gdb_native}" = "yes"; then
2074 # We pick this up from the host configuration file (.mh) because we
2075 # do not have a native configuration Makefile fragment.
2076 nativefile=`sed -n '
2077 s/NAT_FILE[     ]*=[    ]*\([^  ]*\)/\1/p
2078 ' ${host_makefile_frag}`
2079 fi
2080 changequote([,])
2081
2082 if test x"${gdb_osabi}" != x ; then
2083     AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
2084                        [Define to the default OS ABI for this configuration.])
2085 fi
2086
2087 # Enable multi-ice-gdb-server.
2088 AC_ARG_ENABLE(multi-ice,
2089 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
2090   [case $enableval in
2091     yes | no)
2092       ;;
2093     *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
2094   esac])
2095 if test "x$enable_multi_ice" = xyes; then
2096    AC_CONFIG_SUBDIRS(multi-ice)
2097 fi
2098
2099 AC_ARG_ENABLE(gdbserver,
2100 AS_HELP_STRING([--enable-gdbserver],
2101                [automatically build gdbserver (yes/no/auto, default is auto)]),
2102 [case "${enableval}" in
2103   yes| no|auto) ;;
2104   *) AC_MSG_ERROR(bad value ${enableval} for --enable-gdbserver option) ;;
2105 esac],[enable_gdbserver=auto])
2106
2107 # We only build gdbserver automatically in a native configuration, and
2108 # only if the user did not explicitly disable its build.
2109 if test "$gdb_native" = "yes" -a "$enable_gdbserver" != "no"; then
2110   AC_MSG_CHECKING(whether gdbserver is supported on this host)
2111   if test "x$build_gdbserver" = xyes; then
2112     AC_MSG_RESULT(yes)
2113     AC_CONFIG_SUBDIRS(gdbserver)
2114     gdbserver_build_enabled=yes
2115   else
2116     AC_MSG_RESULT(no)
2117   fi
2118 fi
2119
2120 # If the user explicitly request the gdbserver to be built, verify that
2121 # we were in fact able to enable it.
2122 if test "$enable_gdbserver" = "yes" -a "$gdbserver_build_enabled" != "yes"; then
2123   AC_MSG_ERROR(Automatic gdbserver build is not supported for this configuration)
2124 fi
2125
2126 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
2127 # to an empty version.
2128
2129 files=
2130 links=
2131
2132 rm -f nm.h
2133 if test "${nativefile}" != ""; then
2134     case "${nativefile}" in
2135       nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
2136       * ) GDB_NM_FILE="${nativefile}"
2137     esac
2138     files="${files} ${GDB_NM_FILE}"
2139     links="${links} nm.h"
2140     AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
2141 fi
2142 AC_SUBST(GDB_NM_FILE)
2143
2144 AC_LINK_FILES($files, $links)
2145
2146 dnl Check for exe extension set on certain hosts (e.g. Win32)
2147 AC_EXEEXT
2148
2149 dnl  Detect the character set used by this host.
2150 dnl  At the moment, we just assume it's UTF-8.
2151 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
2152           [Define to be a string naming the default host character set.])
2153
2154 AC_OUTPUT(Makefile .gdbinit:gdbinit.in doc/Makefile gnulib/Makefile data-directory/Makefile,
2155 [
2156 case x$CONFIG_HEADERS in
2157 xconfig.h:config.in)
2158 echo > stamp-h ;;
2159 esac
2160 ])
2161
2162 exit 0