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.
6 dnl This file is part of GDB.
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.
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.
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/>.
21 dnl Process this file with autoconf to produce a configure script.
25 AC_CONFIG_HEADER(config.h:config.in)
29 AC_USE_SYSTEM_EXTENSIONS
37 # Dependency checking.
39 ZW_PROG_COMPILER_DEPENDENCIES([CC])
41 # Check for the 'make' the user wants to use.
42 AC_CHECK_PROGS(MAKE, make)
44 case "`$MAKE --version 2>&1 | sed 1q`" in
49 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
52 dnl List of object files and targets accumulated by configure.
64 dnl Set up for gettext.
65 ZW_GNU_GETTEXT_SISTER_DIR
67 localedir='${datadir}/locale'
70 if test x"$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"
79 # For Makefile dependencies.
81 if test x"$STDINT_H" != x; then
82 GNULIB_STDINT_H=gnulib/$STDINT_H
84 AC_SUBST(GNULIB_STDINT_H)
87 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
90 # GDB does not use automake, but gnulib does. This line lets us
91 # generate its Makefile.in.
92 AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define])
94 GDB_AC_WITH_DIR(DEBUGDIR, separate-debug-dir,
95 [look for global separate debug info in this path @<:@LIBDIR/debug@:>@],
98 # GDB's datadir relocation
100 GDB_AC_WITH_DIR(GDB_DATADIR, gdb-datadir,
101 [look for global separate data files in this path @<:@DATADIR/gdb@:>@],
104 AC_ARG_WITH(relocated-sources,
105 AS_HELP_STRING([--with-relocated-sources=PATH], [automatically relocate this path for source files]),
106 [reloc_srcdir="${withval}"
107 AC_DEFINE_DIR(RELOC_SRCDIR, reloc_srcdir,
108 [Relocated directory for source files. ])
111 AC_CONFIG_SUBDIRS(doc testsuite)
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 "${enableval}" in
117 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
119 no) enable_targets= ;;
120 *) enable_targets=$enableval ;;
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
129 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
130 esac],[want64=false])dnl
132 # Provide defaults for some variables set by the per-host and per-target
134 gdb_host_obs=posix-hdep.o
136 if test "${target}" = "${host}"; then
142 . $srcdir/configure.host
144 # Accumulate some settings from configure.tgt over all enabled targets
149 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
151 if test "$targ_alias" = "all"; then
154 # Canonicalize the secondary target names.
155 result=`$ac_config_sub $targ_alias 2>/dev/null`
156 if test -n "$result"; then
162 . ${srcdir}/configure.tgt
164 AS_IF([test -z "${gdb_target_obs}"],
165 [AC_MSG_ERROR([configuration ${targ} is unsupported.])])
167 # Target-specific object files
168 for i in ${gdb_target_obs}; do
169 case " $TARGET_OBS " in
172 TARGET_OBS="$TARGET_OBS ${i}"
177 # Check whether this target needs 64-bit CORE_ADDR
178 if test x${want64} = xfalse; then
179 . ${srcdir}/../bfd/config.bfd
184 if test x${all_targets} = xtrue; then
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.
192 # NOTE: This test must be in sync with the corresponding
195 if test x${want64} = xfalse; then
196 AC_CHECK_SIZEOF(long)
197 if test "x${ac_cv_sizeof_long}" = "x8"; then
201 if test x${want64} = xtrue; then
202 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
204 TARGET_OBS='$(ALL_TARGET_OBS)'
210 # For other settings, only the main target counts.
214 targ=$target; . ${srcdir}/configure.tgt
216 # Fetch the default architecture and default target vector from BFD.
217 targ=$target; . $srcdir/../bfd/config.bfd
219 # We only want the first architecture, so strip off the others if
220 # there is more than one.
221 targ_archs=`echo $targ_archs | sed 's/ .*//'`
223 if test "x$targ_archs" != x; then
224 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
225 [Define to BFD's default architecture. ])
227 if test "x$targ_defvec" != x; then
228 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
229 [Define to BFD's default target vector. ])
232 # The CLI cannot be disabled yet, but may be in the future.
235 AC_ARG_ENABLE(gdbcli,
236 AS_HELP_STRING([--disable-gdbcli], [disable command-line interface (CLI)]),
241 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
243 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
246 if test x"$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)"
257 AS_HELP_STRING([--disable-gdbmi], [disable machine-interface (MI)]),
262 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
265 if test x"$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)"
276 AS_HELP_STRING([--enable-tui], [enable full-screen terminal user interface (TUI)]),
281 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
282 esac],enable_tui=auto)
286 AS_HELP_STRING([--enable-gdbtk], [enable gdbtk graphical user interface (GUI)]),
291 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
293 [if test -d $srcdir/gdbtk; then
298 # We unconditionally disable gdbtk tests on selected platforms.
301 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
306 AC_ARG_WITH(libunwind,
307 AS_HELP_STRING([--with-libunwind], [use libunwind frame unwinding support]),
308 [case "${withval}" in
309 yes) enable_libunwind=yes ;;
310 no) enable_libunwind=no ;;
311 *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
313 AC_CHECK_HEADERS(libunwind.h libunwind-ia64.h)
314 if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
315 enable_libunwind=yes;
319 if test x"$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="$CONFIG_SRCS libunwind-frame.c"
328 AC_ARG_WITH(curses, AS_HELP_STRING([--with-curses], [use the curses library instead of the termcap library]), opt_curses=$withval)
331 if test "$opt_curses" = "yes"; then
336 AC_ARG_ENABLE(profiling,
337 AS_HELP_STRING([--enable-profiling], [enable profiling of GDB]),
342 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
344 [enable_profiling=no])
346 AC_CHECK_FUNCS(monstartup _mcleanup)
347 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
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. ])
357 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
362 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
363 if test $ac_cv_var_etext = yes; then
364 AC_DEFINE(HAVE_ETEXT, 1,
365 [Define to 1 if your system has the etext variable. ])
367 if test "$enable_profiling" = yes ; then
368 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
369 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
373 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
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)])
379 if test $ac_cv_cc_supports_pg = no; then
380 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
386 ACX_PKGVERSION([GDB])
387 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
388 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
389 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
391 # --------------------- #
392 # Checks for programs. #
393 # --------------------- #
401 AC_CHECK_TOOL(AR, ar)
402 AC_CHECK_TOOL(DLLTOOL, dlltool)
403 AC_CHECK_TOOL(WINDRES, windres)
405 # Needed for GNU/Hurd.
406 AC_CHECK_TOOL(MIG, mig)
408 # ---------------------- #
409 # Checks for libraries. #
410 # ---------------------- #
412 # We might need to link with -lm; most simulators need it.
413 AC_CHECK_LIB(m, main)
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)])
422 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
423 AC_SEARCH_LIBS(gethostbyname, nsl)
425 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
426 AC_SEARCH_LIBS(socketpair, socket)
428 # Link in zlib if we can. This allows us to read compressed debug sections.
431 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
432 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
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.
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.
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.
454 if test x"$enable_tui" = xyes; then
455 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
457 if test x"$enable_tui" = xauto; then
463 # For the TUI, we need enhanced curses functionality.
464 if test x"$enable_tui" != xno; then
469 if test x"$prefer_curses" = xyes; then
470 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
471 # curses library because the latter might not provide all the
472 # functionality we need. However, this leads to problems on systems
473 # where the linker searches /usr/local/lib, but the compiler doesn't
474 # search /usr/local/include, if ncurses is installed in /usr/local. A
475 # default installation of ncurses on alpha*-dec-osf* will lead to such
477 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
479 if test "$ac_cv_search_waddstr" != no; then
484 # Check whether we should enable the TUI, but only do so if we really
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"
498 if test x"$enable_tui" = xyes; then
499 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
501 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
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.
513 if test -d $srcdir/libtermcap; then
514 LIBS="../libtermcap/libtermcap.a $LIBS"
515 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
518 ac_cv_search_tgetent="none required"
521 ac_cv_search_tgetent="none required"
522 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
526 # These are the libraries checked by Readline.
527 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
529 if test "$ac_cv_search_tgetent" = no; then
530 AC_MSG_ERROR([no termcap library found])
533 AC_ARG_WITH([system-readline],
534 [AS_HELP_STRING([--with-system-readline],
535 [use installed readline library])])
537 if test "$with_system_readline" = yes; then
542 # readline-6.0 started to use the name `_rl_echoing_p'.
543 # `$(READLINE_DIR)/' of bundled readline would not resolve in configure.
545 AC_MSG_CHECKING([for readline_echoing_p])
547 LIBS="$LIBS $READLINE"
548 AC_LINK_IFELSE(AC_LANG_PROGRAM(,[[extern int readline_echoing_p;
549 return readline_echoing_p;]]),
550 [READLINE_ECHOING_P=yes],
551 [READLINE_ECHOING_P=no
552 AC_DEFINE([readline_echoing_p], [_rl_echoing_p],
553 [readline-6.0 started to use different name.])])
555 AC_MSG_RESULT([$READLINE_ECHOING_P])
557 READLINE='$(READLINE_DIR)/libreadline.a'
558 READLINE_DEPS='$(READLINE)'
559 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
562 AC_SUBST(READLINE_DEPS)
563 AC_SUBST(READLINE_CFLAGS)
566 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
567 [], [with_expat=auto])
568 AC_MSG_CHECKING([whether to use expat])
569 AC_MSG_RESULT([$with_expat])
571 if test "${with_expat}" = no; then
572 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
575 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
576 [XML_Parser p = XML_ParserCreate (0);])
577 if test "$HAVE_LIBEXPAT" != yes; then
578 if test "$with_expat" = yes; then
579 AC_MSG_ERROR([expat is missing or unusable])
581 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
585 LIBS="$LIBS $LIBEXPAT"
586 AC_CHECK_FUNCS(XML_StopParser)
591 dnl Utility to simplify finding libpython.
592 AC_DEFUN([AC_TRY_LIBPYTHON],
595 define([have_libpython_var],$2)
596 define([VERSION],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
597 [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
599 AC_MSG_CHECKING([for ${version}])
601 LIBS="$LIBS -l${version}"
602 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "${version}/Python.h"]],
603 [[Py_Initialize ();]]),
604 [[HAVE_LIB]VERSION=yes
605 have_libpython_var=yes],
607 AC_MSG_RESULT([$[HAVE_LIB]VERSION])
611 AS_HELP_STRING([--with-python], [include python support (auto/yes/no/<path>)]),
612 [], [with_python=auto])
613 AC_MSG_CHECKING([whether to use python])
614 AC_MSG_RESULT([$with_python])
616 if test "${with_python}" = no; then
617 AC_MSG_WARN([python support disabled; some features may be unavailable.])
620 case "${with_python}" in
622 # Leave as empty, use defaults.
627 python_includes="-I${with_python}/include"
628 python_libs="-L${with_python}/lib"
631 AC_ERROR(invalid value for --with-python)
635 save_CPPFLAGS=$CPPFLAGS
636 CPPFLAGS="$CPPFLAGS ${python_includes}"
638 LIBS="$LIBS ${python_libs}"
640 if test "${have_libpython}" = no; then
641 AC_TRY_LIBPYTHON(python2.6, have_libpython)
642 if test "${HAVE_LIBPYTHON2_6}" = yes; then
643 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
646 if test ${have_libpython} = no; then
647 AC_TRY_LIBPYTHON(python2.5, have_libpython)
648 if test "${HAVE_LIBPYTHON2_5}" = yes; then
649 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
652 if test ${have_libpython} = no; then
653 AC_TRY_LIBPYTHON(python2.4, have_libpython)
654 if test "${HAVE_LIBPYTHON2_4}" = yes; then
655 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
658 if test ${have_libpython} = no; then
659 case "${with_python}" in
661 AC_MSG_ERROR([python is missing or unusable])
664 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
667 AC_MSG_ERROR([no usable python found at ${with_python}])
670 CPPFLAGS=$save_CPPFLAGS
675 if test "${have_libpython}" = yes; then
676 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
677 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
678 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
679 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
680 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
682 # Flags needed to compile Python code (taken from python-config --cflags).
683 # We cannot call python-config directly because it will output whatever was
684 # used when compiling the Python interpreter itself, including flags which
685 # would make the python-related objects be compiled differently from the
686 # rest of GDB (e.g., -O2 and -fPIC).
687 if test "${GCC}" = yes; then
688 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
691 if test "x${tentative_python_cflags}" != x; then
692 AC_MSG_CHECKING(compiler flags for python code)
693 for flag in ${tentative_python_cflags}; do
694 # Check that the compiler accepts it
695 saved_CFLAGS="$CFLAGS"
696 CFLAGS="$CFLAGS $flag"
697 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
698 CFLAGS="$saved_CFLAGS"
700 AC_MSG_RESULT(${PYTHON_CFLAGS})
703 # Even if Python support is not compiled in, we need to have these files
704 # included in order to recognize the GDB command "python".
705 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o"
706 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c python/py-prettyprint.c"
708 AC_SUBST(PYTHON_CFLAGS)
710 # ------------------------- #
711 # Checks for header files. #
712 # ------------------------- #
717 # elf_hp.h is for HP/UX 64-bit shared library support.
718 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
719 # unconditionally, so what's the point in checking these?
720 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
721 thread_db.h gnu/libc-version.h signal.h stddef.h \
722 stdlib.h string.h memory.h strings.h sys/fault.h \
723 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
724 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
725 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
726 sys/types.h sys/wait.h wait.h termios.h termio.h \
727 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h])
728 AC_CHECK_HEADERS(link.h, [], [],
729 [#if HAVE_SYS_TYPES_H
730 # include <sys/types.h>
736 AC_CHECK_HEADERS(sys/proc.h, [], [],
737 [#if HAVE_SYS_PARAM_H
738 # include <sys/param.h>
741 AC_CHECK_HEADERS(sys/user.h, [], [],
742 [#if HAVE_SYS_PARAM_H
743 # include <sys/param.h>
747 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
748 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
749 # think that we don't have <curses.h> if we're using GCC.
752 if test "$GCC" = yes; then
753 AC_DEFINE(_MSE_INT_H, 1,
754 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
755 Solaris 2.[789] when using GCC. ])
758 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
759 AC_CHECK_HEADERS(term.h, [], [],
765 # ------------------------- #
766 # Checks for declarations. #
767 # ------------------------- #
769 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
770 snprintf, vsnprintf])
773 # ----------------------- #
774 # Checks for structures. #
775 # ----------------------- #
777 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
779 # ------------------ #
780 # Checks for types. #
781 # ------------------ #
784 AC_CHECK_TYPES(socklen_t, [], [],
785 [#include <sys/types.h>
786 #include <sys/socket.h>
789 # ------------------------------------- #
790 # Checks for compiler characteristics. #
791 # ------------------------------------- #
797 # ------------------------------ #
798 # Checks for library functions. #
799 # ------------------------------ #
804 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
805 getgid pipe poll pread64 sbrk setpgid setpgrp setsid \
806 sigaction sigprocmask sigsetmask socketpair syscall \
807 ttrace wborder setlocale iconvlist libiconvlist btowc \
808 setrlimit getrlimit posix_madvise])
811 # Check the return and argument types of ptrace. No canned test for
812 # this, so roll our own.
815 # include <sys/types.h>
817 #if HAVE_SYS_PTRACE_H
818 # include <sys/ptrace.h>
824 # There is no point in checking if we don't have a prototype.
825 AC_CHECK_DECLS(ptrace, [], [
826 : ${gdb_cv_func_ptrace_ret='int'}
827 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
828 ], $gdb_ptrace_headers)
829 # Check return type. Varargs (used on GNU/Linux) conflict with the
830 # empty argument list, so check for that explicitly.
831 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
832 AC_TRY_COMPILE($gdb_ptrace_headers,
833 [extern long ptrace (enum __ptrace_request, ...);],
834 gdb_cv_func_ptrace_ret='long',
835 AC_TRY_COMPILE($gdb_ptrace_headers,
836 [extern int ptrace ();],
837 gdb_cv_func_ptrace_ret='int',
838 gdb_cv_func_ptrace_ret='long')))
839 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
840 [Define as the return type of ptrace.])
841 # Check argument types.
842 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
843 AC_TRY_COMPILE($gdb_ptrace_headers,
844 [extern long ptrace (enum __ptrace_request, ...);],
845 [gdb_cv_func_ptrace_args='int,int,long,long'],[
846 for gdb_arg1 in 'int' 'long'; do
847 for gdb_arg2 in 'pid_t' 'int' 'long'; do
848 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
849 for gdb_arg4 in 'int' 'long'; do
850 AC_TRY_COMPILE($gdb_ptrace_headers, [
851 extern $gdb_cv_func_ptrace_ret
852 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
853 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
855 for gdb_arg5 in 'int *' 'int' 'long'; do
856 AC_TRY_COMPILE($gdb_ptrace_headers, [
857 extern $gdb_cv_func_ptrace_ret
858 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
860 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
867 # Provide a safe default value.
868 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
870 ac_save_IFS=$IFS; IFS=','
871 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
874 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
875 [Define to the type of arg 3 for ptrace.])
876 if test -n "$[5]"; then
877 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
878 [Define to the type of arg 5 for ptrace.])
881 dnl AC_FUNC_SETPGRP does not work when cross compiling
882 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
883 if test "$cross_compiling" = no; then
886 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
890 if (setpgrp(1,1) == -1)
894 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
895 if test $ac_cv_func_setpgrp_void = yes; then
896 AC_DEFINE(SETPGRP_VOID, 1)
900 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
901 # since sigsetjmp might only be defined as a macro.
902 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
905 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
906 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
907 if test $gdb_cv_func_sigsetjmp = yes; then
908 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
911 # Assume we'll default to using the included libiberty regex.
912 gdb_use_included_regex=yes
914 # However, if the system regex is GNU regex, then default to *not*
915 # using the included regex.
918 [gdb_cv_have_gnu_regex],
920 [#include <gnu-versions.h>],
921 [#define REGEX_INTERFACE_VERSION 1
922 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
923 # error "Version mismatch"
925 gdb_cv_have_gnu_regex=yes,
926 gdb_cv_have_gnu_regex=no)])
927 if test $gdb_cv_have_gnu_regex = yes; then
928 gdb_use_included_regex=no
931 AC_ARG_WITH(included-regex,
932 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
933 gdb_with_regex=$withval,
934 gdb_with_regex=$gdb_use_included_regex)
935 if test "$gdb_with_regex" = yes; then
936 AC_DEFINE(USE_INCLUDED_REGEX, 1,
937 [Define to 1 if the regex included in libiberty should be used.])
940 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
941 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
942 [#include <sys/param.h>
943 #include <sys/proc.h>
946 # See if <sys/lwp.h> defines `struct lwp`.
947 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
948 [AC_TRY_COMPILE([#include <sys/param.h>
949 #include <sys/lwp.h>], [struct lwp l;],
950 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
951 if test $gdb_cv_struct_lwp = yes; then
952 AC_DEFINE(HAVE_STRUCT_LWP, 1,
953 [Define to 1 if your system has struct lwp.])
956 # See if <machine/reg.h> degines `struct reg'.
957 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
958 [AC_TRY_COMPILE([#include <sys/types.h>
959 #include <machine/reg.h>], [struct reg r;],
960 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
961 if test $gdb_cv_struct_reg = yes; then
962 AC_DEFINE(HAVE_STRUCT_REG, 1,
963 [Define to 1 if your system has struct reg in <machine/reg.h>.])
966 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
967 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
968 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
969 [#include <machine/reg.h>])
971 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
972 AC_MSG_CHECKING(for PTRACE_GETREGS)
973 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
974 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
976 [gdb_cv_have_ptrace_getregs=yes],
977 [gdb_cv_have_ptrace_getregs=no])])
978 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
979 if test $gdb_cv_have_ptrace_getregs = yes; then
980 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
981 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
984 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
985 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
986 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
987 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
988 [PTRACE_GETFPXREGS;],
989 [gdb_cv_have_ptrace_getfpxregs=yes],
990 [gdb_cv_have_ptrace_getfpxregs=no])])
991 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
992 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
993 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
994 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
997 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
998 AC_MSG_CHECKING(for PT_GETDBREGS)
999 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1000 [AC_TRY_COMPILE([#include <sys/types.h>
1001 #include <sys/ptrace.h>],
1003 [gdb_cv_have_pt_getdbregs=yes],
1004 [gdb_cv_have_pt_getdbregs=no])])
1005 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1006 if test $gdb_cv_have_pt_getdbregs = yes; then
1007 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1008 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1011 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1012 AC_MSG_CHECKING(for PT_GETXMMREGS)
1013 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1014 [AC_TRY_COMPILE([#include <sys/types.h>
1015 #include <sys/ptrace.h>],
1017 [gdb_cv_have_pt_getxmmregs=yes],
1018 [gdb_cv_have_pt_getxmmregs=no])])
1019 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1020 if test $gdb_cv_have_pt_getxmmregs = yes; then
1021 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1022 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1025 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1027 if test "${target}" = "${host}"; then
1029 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1030 AC_DEFINE(NEW_PROC_API, 1,
1031 [Define if you want to use new multi-fd /proc interface
1032 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1034 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1035 AC_DEFINE(NEW_PROC_API, 1,
1036 [Define if you want to use new multi-fd /proc interface
1037 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1040 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1041 AC_DEFINE([_KMEMUSER], 1,
1042 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1043 around a <sys/proc.h> problem on IRIX 5.])
1048 if test "$ac_cv_header_sys_procfs_h" = yes; then
1049 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1050 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1051 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1052 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1053 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1054 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1055 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1056 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1057 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1058 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1059 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1060 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1061 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1062 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1065 dnl Check for broken prfpregset_t type
1067 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1068 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1069 dnl instead of the struct itself). We detect this here, and work
1070 dnl around it in gdb_proc_service.h.
1072 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1073 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1074 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1075 [AC_TRY_RUN([#include <sys/procfs.h>
1078 if (sizeof (prfpregset_t) == sizeof (void *))
1082 gdb_cv_prfpregset_t_broken=no,
1083 gdb_cv_prfpregset_t_broken=yes,
1084 gdb_cv_prfpregset_t_broken=yes)])
1085 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1086 if test $gdb_cv_prfpregset_t_broken = yes; then
1087 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1088 [Define if the prfpregset_t type is broken.])
1092 dnl Check for PIOCSET ioctl entry
1094 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1095 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1096 [AC_TRY_COMPILE([#include <unistd.h>
1097 #include <sys/types.h>
1098 #include <sys/procfs.h>
1101 dummy = ioctl(0, PIOCSET, &dummy);
1103 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1104 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1105 if test $gdb_cv_have_procfs_piocset = yes; then
1106 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1107 [Define if ioctl argument PIOCSET is available.])
1111 dnl For native ports (host == target), check to see what kind of
1112 dnl legacy link.h support is needed. (See solib-legacy.c.)
1113 if test ${host} = ${target} ; then
1114 dnl Check for struct link_map with l_ members which are indicative
1115 dnl of SVR4-like shared libraries
1117 AC_MSG_CHECKING(for member l_addr in struct link_map)
1118 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1119 [AC_TRY_COMPILE([#include <link.h>],
1120 [struct link_map lm; (void) lm.l_addr;],
1121 gdb_cv_have_struct_link_map_with_l_members=yes,
1122 gdb_cv_have_struct_link_map_with_l_members=no)])
1123 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1124 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1125 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1126 [Define if <link.h> exists and defines struct link_map which has
1127 members with an ``l_'' prefix. (For Solaris, SVR4, and
1128 SVR4-like systems.)])
1131 dnl Check for struct link_map with lm_ members which are indicative
1132 dnl of SunOS-like shared libraries
1134 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1135 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1136 [AC_TRY_COMPILE([#include <sys/types.h>
1138 [struct link_map lm; (void) lm.lm_addr;],
1139 gdb_cv_have_struct_link_map_with_lm_members=yes,
1140 gdb_cv_have_struct_link_map_with_lm_members=no)])
1141 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1142 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1143 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1144 [Define if <link.h> exists and defines struct link_map which has
1145 members with an ``lm_'' prefix. (For SunOS.)])
1148 dnl Check for struct so_map with som_ members which are found on
1149 dnl some *BSD systems.
1151 AC_MSG_CHECKING(for member som_addr in struct so_map)
1152 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1153 [AC_TRY_COMPILE([#include <sys/types.h>
1158 [struct so_map lm; (void) lm.som_addr;],
1159 gdb_cv_have_struct_so_map_with_som_members=yes,
1160 gdb_cv_have_struct_so_map_with_som_members=no)])
1161 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1162 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1163 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1164 [Define if <link.h> exists and defines a struct so_map which has
1165 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1168 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1169 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1171 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1172 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1173 [AC_TRY_COMPILE([#define _SYSCALL32
1174 #include <sys/link.h>], [struct link_map32 l;],
1175 gdb_cv_have_struct_link_map32=yes,
1176 gdb_cv_have_struct_link_map32=no)])
1177 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1178 if test $gdb_cv_have_struct_link_map32 = yes; then
1179 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1180 [Define if <sys/link.h> has struct link_map32])
1181 AC_DEFINE(_SYSCALL32, 1,
1182 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1186 # Check if the compiler supports the `long long' type.
1188 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1189 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1190 [[extern long long foo;]],
1191 [[switch (foo & 2) { case 0: return 1; }]])],
1192 gdb_cv_c_long_long=yes,
1193 gdb_cv_c_long_long=no)])
1194 if test $gdb_cv_c_long_long = yes; then
1195 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1196 [Define to 1 if the compiler supports long long.])
1199 # Check if the compiler and runtime support printing long longs.
1201 AC_CACHE_CHECK([for long long support in printf],
1202 gdb_cv_printf_has_long_long,
1203 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1206 l = (l << 16) + 0x0123;
1207 l = (l << 16) + 0x4567;
1208 l = (l << 16) + 0x89ab;
1209 l = (l << 16) + 0xcdef;
1210 sprintf (buf, "0x%016llx", l);
1211 return (strcmp ("0x0123456789abcdef", buf));]])],
1212 gdb_cv_printf_has_long_long=yes,
1213 gdb_cv_printf_has_long_long=no,
1214 gdb_cv_printf_has_long_long=no)])
1215 if test $gdb_cv_printf_has_long_long = yes; then
1216 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1217 [Define to 1 if the "%ll" format works to print long longs.])
1220 # Check if the compiler and runtime support printing decfloats.
1222 AC_CACHE_CHECK([for decfloat support in printf],
1223 gdb_cv_printf_has_decfloat,
1224 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1226 _Decimal32 d32 = 1.2345df;
1227 _Decimal64 d64 = 1.2345dd;
1228 _Decimal128 d128 = 1.2345dl;
1229 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1230 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1231 gdb_cv_printf_has_decfloat=yes,
1232 gdb_cv_printf_has_decfloat=no,
1233 gdb_cv_printf_has_decfloat=no)])
1234 if test $gdb_cv_printf_has_decfloat = yes; then
1235 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1236 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1239 # Check if the compiler supports the `long double' type. We can't use
1240 # AC_C_LONG_DOUBLE because that one does additional checks on the
1241 # constants defined in <float.h> that fail on some systems,
1242 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1244 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1245 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1246 gdb_cv_c_long_double=yes,
1247 gdb_cv_c_long_double=no)])
1248 if test $gdb_cv_c_long_double = yes; then
1249 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1250 [Define to 1 if the compiler supports long double.])
1253 # Check if the compiler and runtime support printing long doubles.
1255 AC_CACHE_CHECK([for long double support in printf],
1256 gdb_cv_printf_has_long_double,
1257 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1259 long double f = 3.141592653;
1260 sprintf (buf, "%Lg", f);
1261 return (strncmp ("3.14159", buf, 7));]])],
1262 gdb_cv_printf_has_long_double=yes,
1263 gdb_cv_printf_has_long_double=no,
1264 gdb_cv_printf_has_long_double=no)])
1265 if test $gdb_cv_printf_has_long_double = yes; then
1266 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1267 [Define to 1 if the "%Lg" format works to print long doubles.])
1270 # Check if the compiler and runtime support scanning long doubles.
1272 AC_CACHE_CHECK([for long double support in scanf],
1273 gdb_cv_scanf_has_long_double,
1274 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1275 [[#include <stdio.h>]],
1276 [[char *buf = "3.141592653";
1278 sscanf (buf, "%Lg", &f);
1279 return !(f > 3.14159 && f < 3.14160);]])],
1280 gdb_cv_scanf_has_long_double=yes,
1281 gdb_cv_scanf_has_long_double=no,
1282 gdb_cv_scanf_has_long_double=no)])
1283 if test $gdb_cv_scanf_has_long_double = yes; then
1284 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1285 [Define to 1 if the "%Lg" format works to scan long doubles.])
1290 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1291 SAVE_LDFLAGS=$LDFLAGS
1294 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1295 *) gdb_cv_bigtoc=-bbigtoc ;;
1298 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1299 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1300 LDFLAGS="${SAVE_LDFLAGS}"
1302 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1307 dnl For certain native configurations, we need to check whether thread
1308 dnl support can be built in or not.
1310 dnl Note that we only want this if we are both native (host == target),
1311 dnl and not doing a canadian cross build (build == host).
1313 if test ${build} = ${host} -a ${host} = ${target} ; then
1316 AC_MSG_CHECKING(for HPUX/OSF thread support)
1317 if test -f /usr/include/dce/cma_config.h ; then
1318 if test "$GCC" = "yes" ; then
1320 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
1321 [Define if you have HPUX threads])
1322 CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
1323 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
1325 AC_MSG_RESULT(no (suppressed because you are not using GCC))
1332 # See if thread_db library is around for Solaris thread debugging.
1333 # Note that we must explicitly test for version 1 of the library
1334 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1336 AC_MSG_CHECKING(for Solaris thread debugging library)
1337 if test -f /usr/lib/libthread_db.so.1 ; then
1339 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1340 [Define if using Solaris thread debugging.])
1341 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1342 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1343 AC_CHECK_LIB(dl, dlopen)
1344 if test "$GCC" = "yes" ; then
1345 # The GNU linker requires the -export-dynamic option to make
1346 # all symbols visible in the dynamic symbol table.
1347 hold_ldflags=$LDFLAGS
1348 AC_MSG_CHECKING(for the ld -export-dynamic flag)
1349 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
1350 AC_TRY_LINK(, [int i;], found=yes, found=no)
1351 LDFLAGS=$hold_ldflags
1352 AC_MSG_RESULT($found)
1353 if test $found = yes; then
1354 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
1357 # Sun randomly tweaked the prototypes in <proc_service.h>
1359 AC_MSG_CHECKING(if <proc_service.h> is old)
1360 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1362 #include <proc_service.h>
1364 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1365 ],, gdb_cv_proc_service_is_old=no,
1366 gdb_cv_proc_service_is_old=yes)
1368 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1369 if test $gdb_cv_proc_service_is_old = yes; then
1370 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1371 [Define if <proc_service.h> on solaris uses int instead of
1372 size_t, and assorted other type changes.])
1379 AC_MSG_CHECKING(for AiX thread debugging library)
1380 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1381 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1382 [#ifndef PTHDB_VERSION_3
1385 gdb_cv_have_aix_thread_debug=yes,
1386 gdb_cv_have_aix_thread_debug=no)])
1387 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1388 if test $gdb_cv_have_aix_thread_debug = yes; then
1389 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1390 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1391 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1395 AC_SUBST(CONFIG_LDFLAGS)
1398 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1399 dnl other error codes.
1400 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1401 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1402 gdb_cv_thread_db_h_has_td_notalloc,
1404 [#include <thread_db.h>],
1405 [int i = TD_NOTALLOC;],
1406 gdb_cv_thread_db_h_has_td_notalloc=yes,
1407 gdb_cv_thread_db_h_has_td_notalloc=no
1410 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1411 gdb_cv_thread_db_h_has_td_version,
1413 [#include <thread_db.h>],
1414 [int i = TD_VERSION;],
1415 gdb_cv_thread_db_h_has_td_version=yes,
1416 gdb_cv_thread_db_h_has_td_version=no
1419 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1420 gdb_cv_thread_db_h_has_td_notls,
1422 [#include <thread_db.h>],
1423 [int i = TD_NOTLS;],
1424 gdb_cv_thread_db_h_has_td_notls=yes,
1425 gdb_cv_thread_db_h_has_td_notls=no
1429 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1430 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1431 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1433 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1434 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1435 [Define if <thread_db.h> has the TD_VERSION error code.])
1437 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1438 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1439 [Define if <thread_db.h> has the TD_NOTLS error code.])
1442 dnl See if we have a sys/syscall header file that has __NR_tkill.
1443 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1444 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1445 gdb_cv_sys_syscall_h_has_tkill,
1447 [#include <sys/syscall.h>],
1448 [int i = __NR_tkill;],
1449 gdb_cv_sys_syscall_h_has_tkill=yes,
1450 gdb_cv_sys_syscall_h_has_tkill=no
1454 dnl See if we can issue tkill syscall.
1455 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1456 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1459 dnl Check if we can disable the virtual address space randomization.
1460 dnl The functionality of setarch -R.
1461 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1462 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1463 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1464 # define ADDR_NO_RANDOMIZE 0x0040000
1466 /* Test the flag could be set and stays set. */
1467 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1468 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1470 AC_RUN_IFELSE([PERSONALITY_TEST],
1471 [have_personality=true],
1472 [have_personality=false],
1473 [AC_LINK_IFELSE([PERSONALITY_TEST],
1474 [have_personality=true],
1475 [have_personality=false])])
1476 if $have_personality
1478 AC_DEFINE([HAVE_PERSONALITY], 1,
1479 [Define if you support the personality syscall.])
1482 dnl Handle optional features that can be enabled.
1484 target_sysroot_reloc=0
1485 AC_ARG_WITH(sysroot,
1486 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@], [search for usr/lib et al within DIR]),
1488 case ${with_sysroot} in
1489 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1490 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1493 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1495 if test "x$prefix" = xNONE; then
1496 test_prefix=/usr/local
1500 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1501 test_exec_prefix=$test_prefix
1503 test_exec_prefix=$exec_prefix
1505 case ${TARGET_SYSTEM_ROOT} in
1506 "${test_prefix}"|"${test_prefix}/"*|\
1507 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1508 '${prefix}'|'${prefix}/'*|\
1509 '${exec_prefix}'|'${exec_prefix}/'*)
1510 target_sysroot_reloc=1
1515 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1517 TARGET_SYSTEM_ROOT_DEFINE="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE=$target_sysroot_reloc"
1518 AC_SUBST(TARGET_SYSTEM_ROOT)
1519 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1521 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1522 [automatically load a system-wide gdbinit file],
1525 AC_ARG_ENABLE(werror,
1526 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1527 [case "${enableval}" in
1528 yes | y) ERROR_ON_WARNING="yes" ;;
1529 no | n) ERROR_ON_WARNING="no" ;;
1530 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1533 # Enable -Werror by default when using gcc
1534 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1535 ERROR_ON_WARNING=yes
1539 if test "${ERROR_ON_WARNING}" = yes ; then
1540 WERROR_CFLAGS="-Werror"
1543 # The entries after -Wno-pointer-sign are disabled warnings which may
1544 # be enabled in the future, which can not currently be used to build
1546 # NOTE: If you change this list, remember to update
1547 # gdb/doc/gdbint.texinfo.
1548 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1549 -Wformat-nonliteral -Wno-pointer-sign \
1550 -Wno-unused -Wunused-value -Wunused-function \
1551 -Wno-switch -Wno-char-subscripts"
1553 # Enable -Wno-format by default when using gcc on mingw since many
1554 # GCC versions complain about %I64.
1556 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1559 AC_ARG_ENABLE(build-warnings,
1560 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1561 [case "${enableval}" in
1563 no) build_warnings="-w";;
1564 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1565 build_warnings="${build_warnings} ${t}";;
1566 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1567 build_warnings="${t} ${build_warnings}";;
1568 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1570 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1571 echo "Setting compiler warning flags = $build_warnings" 6>&1
1573 AC_ARG_ENABLE(gdb-build-warnings,
1574 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1575 [case "${enableval}" in
1577 no) build_warnings="-w";;
1578 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1579 build_warnings="${build_warnings} ${t}";;
1580 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1581 build_warnings="${t} ${build_warnings}";;
1582 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1584 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1585 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1588 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1590 AC_MSG_CHECKING(compiler warning flags)
1591 # Separate out the -Werror flag as some files just cannot be
1592 # compiled with it enabled.
1593 for w in ${build_warnings}; do
1595 -Werr*) WERROR_CFLAGS=-Werror ;;
1596 *) # Check that GCC accepts it
1597 saved_CFLAGS="$CFLAGS"
1599 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1600 CFLAGS="$saved_CFLAGS"
1603 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1605 AC_SUBST(WARN_CFLAGS)
1606 AC_SUBST(WERROR_CFLAGS)
1608 # In the Cygwin environment, we need some additional flags.
1609 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1610 [AC_EGREP_CPP(lose, [
1611 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1613 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1616 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1617 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1619 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1620 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1621 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1623 AC_SUBST(SER_HARDWIRE)
1625 # libreadline needs libuser32.a in a cygwin environment
1627 if test x$gdb_cv_os_cygwin = xyes; then
1628 WIN32LIBS="-luser32"
1630 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1635 # The ser-tcp.c module requires sockets.
1638 AC_DEFINE(USE_WIN32API, 1,
1639 [Define if we should use the Windows API, instead of the
1640 POSIX API. On Windows, we use the Windows API when
1641 building for MinGW, but the POSIX API when building
1643 WIN32LIBS="$WIN32LIBS -lws2_32"
1648 # Add ELF support to GDB, but only if BFD includes ELF support.
1650 OLD_LDFLAGS=$LDFLAGS
1652 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1653 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1654 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1655 LIBS="-lbfd -liberty $intl $LIBS"
1656 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1658 [#include <stdlib.h>
1660 #include "elf-bfd.h"
1662 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1663 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1664 if test $gdb_cv_var_elf = yes; then
1665 CONFIG_OBS="$CONFIG_OBS elfread.o"
1666 AC_DEFINE(HAVE_ELF, 1,
1667 [Define if ELF support should be included.])
1670 LDFLAGS=$OLD_LDFLAGS
1673 # Add any host-specific objects to GDB.
1674 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1676 LIBGUI="../libgui/src/libgui.a"
1677 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1679 AC_SUBST(GUI_CFLAGS_X)
1683 AC_SUBST(WIN32LDAPP)
1686 *-*-cygwin* | *-*-mingw* )
1695 if test "${enable_gdbtk}" = "yes"; then
1697 # Gdbtk must have an absolute path to srcdir in order to run
1698 # properly when not installed.
1706 # If $no_tk is nonempty, then we can't do Tk, and there is no
1707 # point to doing Tcl.
1710 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1713 # Check for in-tree tcl
1720 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1724 # Find Tcl private headers
1725 if test x"${intree}" = xno; then
1726 CY_AC_TCL_PRIVATE_HEADERS
1727 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1728 TCL_LIBRARY="${TCL_LIB_SPEC}"
1731 # If building tcl in the same src tree, private headers
1732 # are not needed, but we need to be sure to use the right
1734 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1735 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1736 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1738 AC_SUBST(TCL_INCLUDE)
1739 AC_SUBST(TCL_LIBRARY)
1744 # Check for in-tree Tk
1746 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1750 # Find Tk private headers
1751 if test x"${intree}" = xno; then
1752 CY_AC_TK_PRIVATE_HEADERS
1753 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1754 TK_LIBRARY=${TK_LIB_SPEC}
1757 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1758 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1759 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1761 AC_SUBST(TK_INCLUDE)
1762 AC_SUBST(TK_LIBRARY)
1764 AC_SUBST(TK_XINCLUDES)
1766 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1768 # Include some libraries that Tcl and Tk want.
1769 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1770 # Yes, the ordering seems wrong here. But it isn't.
1771 # TK_LIBS is the list of libraries that need to be linked
1772 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1773 # were in LIBS then any link tests after this point would
1774 # try to include things like `$(LIBGUI)', which wouldn't work.
1775 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1777 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1778 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1779 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1780 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1781 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1782 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1783 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1785 if test x$gdb_cv_os_cygwin = xyes; then
1786 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1787 WIN32LDAPP="-Wl,--subsystem,console"
1788 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1791 AC_CONFIG_SUBDIRS(gdbtk)
1799 AC_SUBST(GDBTK_CFLAGS)
1800 AC_SUBST(GDBTK_SRC_DIR)
1804 # Unlike the sim directory, whether a simulator is linked is controlled by
1805 # presence of a gdb_sim definition in the target configure.tgt entry.
1806 # This code just checks for a few cases where we'd like to ignore those
1807 # definitions, even when they're present in the '.mt' file. These cases
1808 # are when --disable-sim is specified, or if the simulator directory is
1809 # not part of the source tree.
1812 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
1813 [echo "enable_sim = $enable_sim";
1814 echo "enableval = ${enableval}";
1815 case "${enableval}" in
1816 yes) ignore_sim=false ;;
1817 no) ignore_sim=true ;;
1818 *) ignore_sim=false ;;
1822 if test ! -d "${srcdir}/../sim"; then
1828 if test "${ignore_sim}" = "false"; then
1829 if test x"${gdb_sim}" != x ; then
1831 SIM_OBS="remote-sim.o"
1832 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
1838 AC_SUBST(ENABLE_CFLAGS)
1839 AC_SUBST(PROFILE_CFLAGS)
1841 AC_SUBST(CONFIG_OBS)
1842 AC_SUBST(CONFIG_DEPS)
1843 AC_SUBST(CONFIG_SRCS)
1844 AC_SUBST(CONFIG_ALL)
1845 AC_SUBST(CONFIG_CLEAN)
1846 AC_SUBST(CONFIG_INSTALL)
1847 AC_SUBST(CONFIG_UNINSTALL)
1849 # List of host floatformats.
1850 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
1851 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
1852 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
1854 # target_subdir is used by the testsuite to find the target libraries.
1856 if test "${host}" != "${target}"; then
1857 target_subdir="${target_alias}/"
1859 AC_SUBST(target_subdir)
1862 if test "${gdb_native}" = "yes"; then
1863 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1864 if test ! -f ${host_makefile_frag}; then
1865 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
1867 frags="$frags $host_makefile_frag"
1869 host_makefile_frag=/dev/null
1872 AC_SUBST_FILE(host_makefile_frag)
1876 if test "${gdb_native}" = "yes"; then
1877 # We pick this up from the host configuration file (.mh) because we
1878 # do not have a native configuration Makefile fragment.
1879 nativefile=`sed -n '
1880 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1881 ' ${host_makefile_frag}`
1885 if test x"${gdb_osabi}" != x ; then
1886 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
1887 [Define to the default OS ABI for this configuration.])
1890 # Enable multi-ice-gdb-server.
1891 AC_ARG_ENABLE(multi-ice,
1892 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
1896 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
1898 if test "x$enable_multi_ice" = xyes; then
1899 AC_CONFIG_SUBDIRS(multi-ice)
1902 # We only build gdbserver automatically in a native configuration.
1903 if test "$gdb_native" = "yes"; then
1904 AC_MSG_CHECKING(whether gdbserver is supported on this host)
1905 if test "x$build_gdbserver" = xyes; then
1907 AC_CONFIG_SUBDIRS(gdbserver)
1913 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
1914 # to an empty version.
1920 if test "${nativefile}" != ""; then
1921 case "${nativefile}" in
1922 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
1923 * ) GDB_NM_FILE="${nativefile}"
1925 files="${files} ${GDB_NM_FILE}"
1926 links="${links} nm.h"
1927 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
1929 AC_SUBST(GDB_NM_FILE)
1931 AC_LINK_FILES($files, $links)
1933 dnl Check for exe extension set on certain hosts (e.g. Win32)
1936 dnl Detect the character set used by this host.
1937 dnl At the moment, we just assume it's UTF-8.
1938 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
1939 [Define to be a string naming the default host character set.])
1941 AC_OUTPUT(Makefile .gdbinit:gdbinit.in gnulib/Makefile,
1943 case x$CONFIG_HEADERS in
1944 xconfig.h:config.in)