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(${PYTHON_CFLAGS})
703 # Even if Python support is not compiled in, we need to have these files
705 CONFIG_OBS="$CONFIG_OBS python.o py-value.o py-prettyprint.o py-auto-load.o"
706 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/py-value.c \
707 python/py-prettyprint.c python/py-auto-load.c"
709 AC_SUBST(PYTHON_CFLAGS)
711 # ------------------------- #
712 # Checks for header files. #
713 # ------------------------- #
718 # elf_hp.h is for HP/UX 64-bit shared library support.
719 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
720 # unconditionally, so what's the point in checking these?
721 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
722 thread_db.h gnu/libc-version.h signal.h stddef.h \
723 stdlib.h string.h memory.h strings.h sys/fault.h \
724 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
725 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
726 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
727 sys/types.h sys/wait.h wait.h termios.h termio.h \
728 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h])
729 AC_CHECK_HEADERS(link.h, [], [],
730 [#if HAVE_SYS_TYPES_H
731 # include <sys/types.h>
737 AC_CHECK_HEADERS(sys/proc.h, [], [],
738 [#if HAVE_SYS_PARAM_H
739 # include <sys/param.h>
742 AC_CHECK_HEADERS(sys/user.h, [], [],
743 [#if HAVE_SYS_PARAM_H
744 # include <sys/param.h>
748 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
749 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
750 # think that we don't have <curses.h> if we're using GCC.
753 if test "$GCC" = yes; then
754 AC_DEFINE(_MSE_INT_H, 1,
755 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
756 Solaris 2.[789] when using GCC. ])
759 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
760 AC_CHECK_HEADERS(term.h, [], [],
766 # ------------------------- #
767 # Checks for declarations. #
768 # ------------------------- #
770 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
771 snprintf, vsnprintf])
774 # ----------------------- #
775 # Checks for structures. #
776 # ----------------------- #
778 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
780 # ------------------ #
781 # Checks for types. #
782 # ------------------ #
785 AC_CHECK_TYPES(socklen_t, [], [],
786 [#include <sys/types.h>
787 #include <sys/socket.h>
790 # ------------------------------------- #
791 # Checks for compiler characteristics. #
792 # ------------------------------------- #
798 # ------------------------------ #
799 # Checks for library functions. #
800 # ------------------------------ #
805 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
806 getgid pipe poll pread64 sbrk setpgid setpgrp setsid \
807 sigaction sigprocmask sigsetmask socketpair syscall \
808 ttrace wborder setlocale iconvlist libiconvlist btowc \
809 setrlimit getrlimit posix_madvise])
812 # Check the return and argument types of ptrace. No canned test for
813 # this, so roll our own.
816 # include <sys/types.h>
818 #if HAVE_SYS_PTRACE_H
819 # include <sys/ptrace.h>
825 # There is no point in checking if we don't have a prototype.
826 AC_CHECK_DECLS(ptrace, [], [
827 : ${gdb_cv_func_ptrace_ret='int'}
828 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
829 ], $gdb_ptrace_headers)
830 # Check return type. Varargs (used on GNU/Linux) conflict with the
831 # empty argument list, so check for that explicitly.
832 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
833 AC_TRY_COMPILE($gdb_ptrace_headers,
834 [extern long ptrace (enum __ptrace_request, ...);],
835 gdb_cv_func_ptrace_ret='long',
836 AC_TRY_COMPILE($gdb_ptrace_headers,
837 [extern int ptrace ();],
838 gdb_cv_func_ptrace_ret='int',
839 gdb_cv_func_ptrace_ret='long')))
840 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
841 [Define as the return type of ptrace.])
842 # Check argument types.
843 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
844 AC_TRY_COMPILE($gdb_ptrace_headers,
845 [extern long ptrace (enum __ptrace_request, ...);],
846 [gdb_cv_func_ptrace_args='int,int,long,long'],[
847 for gdb_arg1 in 'int' 'long'; do
848 for gdb_arg2 in 'pid_t' 'int' 'long'; do
849 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
850 for gdb_arg4 in 'int' 'long'; do
851 AC_TRY_COMPILE($gdb_ptrace_headers, [
852 extern $gdb_cv_func_ptrace_ret
853 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
854 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
856 for gdb_arg5 in 'int *' 'int' 'long'; do
857 AC_TRY_COMPILE($gdb_ptrace_headers, [
858 extern $gdb_cv_func_ptrace_ret
859 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
861 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
868 # Provide a safe default value.
869 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
871 ac_save_IFS=$IFS; IFS=','
872 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
875 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
876 [Define to the type of arg 3 for ptrace.])
877 if test -n "$[5]"; then
878 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
879 [Define to the type of arg 5 for ptrace.])
882 dnl AC_FUNC_SETPGRP does not work when cross compiling
883 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
884 if test "$cross_compiling" = no; then
887 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
891 if (setpgrp(1,1) == -1)
895 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
896 if test $ac_cv_func_setpgrp_void = yes; then
897 AC_DEFINE(SETPGRP_VOID, 1)
901 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
902 # since sigsetjmp might only be defined as a macro.
903 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
906 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
907 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
908 if test $gdb_cv_func_sigsetjmp = yes; then
909 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
912 # Assume we'll default to using the included libiberty regex.
913 gdb_use_included_regex=yes
915 # However, if the system regex is GNU regex, then default to *not*
916 # using the included regex.
919 [gdb_cv_have_gnu_regex],
921 [#include <gnu-versions.h>],
922 [#define REGEX_INTERFACE_VERSION 1
923 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
924 # error "Version mismatch"
926 gdb_cv_have_gnu_regex=yes,
927 gdb_cv_have_gnu_regex=no)])
928 if test $gdb_cv_have_gnu_regex = yes; then
929 gdb_use_included_regex=no
932 AC_ARG_WITH(included-regex,
933 AS_HELP_STRING([--without-included-regex], [don't use included regex; this is the default on systems with version 2 of the GNU C library (use with caution on other system)]),
934 gdb_with_regex=$withval,
935 gdb_with_regex=$gdb_use_included_regex)
936 if test "$gdb_with_regex" = yes; then
937 AC_DEFINE(USE_INCLUDED_REGEX, 1,
938 [Define to 1 if the regex included in libiberty should be used.])
941 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
942 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
943 [#include <sys/param.h>
944 #include <sys/proc.h>
947 # See if <sys/lwp.h> defines `struct lwp`.
948 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
949 [AC_TRY_COMPILE([#include <sys/param.h>
950 #include <sys/lwp.h>], [struct lwp l;],
951 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
952 if test $gdb_cv_struct_lwp = yes; then
953 AC_DEFINE(HAVE_STRUCT_LWP, 1,
954 [Define to 1 if your system has struct lwp.])
957 # See if <machine/reg.h> degines `struct reg'.
958 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
959 [AC_TRY_COMPILE([#include <sys/types.h>
960 #include <machine/reg.h>], [struct reg r;],
961 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
962 if test $gdb_cv_struct_reg = yes; then
963 AC_DEFINE(HAVE_STRUCT_REG, 1,
964 [Define to 1 if your system has struct reg in <machine/reg.h>.])
967 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
968 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
969 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
970 [#include <machine/reg.h>])
972 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
973 AC_MSG_CHECKING(for PTRACE_GETREGS)
974 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
975 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
977 [gdb_cv_have_ptrace_getregs=yes],
978 [gdb_cv_have_ptrace_getregs=no])])
979 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
980 if test $gdb_cv_have_ptrace_getregs = yes; then
981 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
982 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
985 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
986 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
987 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
988 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
989 [PTRACE_GETFPXREGS;],
990 [gdb_cv_have_ptrace_getfpxregs=yes],
991 [gdb_cv_have_ptrace_getfpxregs=no])])
992 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
993 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
994 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
995 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
998 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
999 AC_MSG_CHECKING(for PT_GETDBREGS)
1000 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
1001 [AC_TRY_COMPILE([#include <sys/types.h>
1002 #include <sys/ptrace.h>],
1004 [gdb_cv_have_pt_getdbregs=yes],
1005 [gdb_cv_have_pt_getdbregs=no])])
1006 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
1007 if test $gdb_cv_have_pt_getdbregs = yes; then
1008 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
1009 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
1012 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
1013 AC_MSG_CHECKING(for PT_GETXMMREGS)
1014 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
1015 [AC_TRY_COMPILE([#include <sys/types.h>
1016 #include <sys/ptrace.h>],
1018 [gdb_cv_have_pt_getxmmregs=yes],
1019 [gdb_cv_have_pt_getxmmregs=no])])
1020 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
1021 if test $gdb_cv_have_pt_getxmmregs = yes; then
1022 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
1023 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
1026 # Detect which type of /proc is in use, such as for Unixware or Solaris.
1028 if test "${target}" = "${host}"; then
1030 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1031 AC_DEFINE(NEW_PROC_API, 1,
1032 [Define if you want to use new multi-fd /proc interface
1033 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1035 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1036 AC_DEFINE(NEW_PROC_API, 1,
1037 [Define if you want to use new multi-fd /proc interface
1038 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1041 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1042 AC_DEFINE([_KMEMUSER], 1,
1043 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1044 around a <sys/proc.h> problem on IRIX 5.])
1049 if test "$ac_cv_header_sys_procfs_h" = yes; then
1050 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1051 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1052 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1053 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1054 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1055 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1056 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1057 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1058 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1059 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1060 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1061 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1062 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1063 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1066 dnl Check for broken prfpregset_t type
1068 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1069 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1070 dnl instead of the struct itself). We detect this here, and work
1071 dnl around it in gdb_proc_service.h.
1073 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1074 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1075 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1076 [AC_TRY_RUN([#include <sys/procfs.h>
1079 if (sizeof (prfpregset_t) == sizeof (void *))
1083 gdb_cv_prfpregset_t_broken=no,
1084 gdb_cv_prfpregset_t_broken=yes,
1085 gdb_cv_prfpregset_t_broken=yes)])
1086 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1087 if test $gdb_cv_prfpregset_t_broken = yes; then
1088 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1089 [Define if the prfpregset_t type is broken.])
1093 dnl Check for PIOCSET ioctl entry
1095 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1096 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1097 [AC_TRY_COMPILE([#include <unistd.h>
1098 #include <sys/types.h>
1099 #include <sys/procfs.h>
1102 dummy = ioctl(0, PIOCSET, &dummy);
1104 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1105 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1106 if test $gdb_cv_have_procfs_piocset = yes; then
1107 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1108 [Define if ioctl argument PIOCSET is available.])
1112 dnl For native ports (host == target), check to see what kind of
1113 dnl legacy link.h support is needed. (See solib-legacy.c.)
1114 if test ${host} = ${target} ; then
1115 dnl Check for struct link_map with l_ members which are indicative
1116 dnl of SVR4-like shared libraries
1118 AC_MSG_CHECKING(for member l_addr in struct link_map)
1119 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1120 [AC_TRY_COMPILE([#include <link.h>],
1121 [struct link_map lm; (void) lm.l_addr;],
1122 gdb_cv_have_struct_link_map_with_l_members=yes,
1123 gdb_cv_have_struct_link_map_with_l_members=no)])
1124 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1125 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1126 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1127 [Define if <link.h> exists and defines struct link_map which has
1128 members with an ``l_'' prefix. (For Solaris, SVR4, and
1129 SVR4-like systems.)])
1132 dnl Check for struct link_map with lm_ members which are indicative
1133 dnl of SunOS-like shared libraries
1135 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1136 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1137 [AC_TRY_COMPILE([#include <sys/types.h>
1139 [struct link_map lm; (void) lm.lm_addr;],
1140 gdb_cv_have_struct_link_map_with_lm_members=yes,
1141 gdb_cv_have_struct_link_map_with_lm_members=no)])
1142 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1143 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1144 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1145 [Define if <link.h> exists and defines struct link_map which has
1146 members with an ``lm_'' prefix. (For SunOS.)])
1149 dnl Check for struct so_map with som_ members which are found on
1150 dnl some *BSD systems.
1152 AC_MSG_CHECKING(for member som_addr in struct so_map)
1153 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1154 [AC_TRY_COMPILE([#include <sys/types.h>
1159 [struct so_map lm; (void) lm.som_addr;],
1160 gdb_cv_have_struct_so_map_with_som_members=yes,
1161 gdb_cv_have_struct_so_map_with_som_members=no)])
1162 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1163 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1164 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1165 [Define if <link.h> exists and defines a struct so_map which has
1166 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1169 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1170 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1172 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1173 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1174 [AC_TRY_COMPILE([#define _SYSCALL32
1175 #include <sys/link.h>], [struct link_map32 l;],
1176 gdb_cv_have_struct_link_map32=yes,
1177 gdb_cv_have_struct_link_map32=no)])
1178 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1179 if test $gdb_cv_have_struct_link_map32 = yes; then
1180 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1181 [Define if <sys/link.h> has struct link_map32])
1182 AC_DEFINE(_SYSCALL32, 1,
1183 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1187 # Check if the compiler supports the `long long' type.
1189 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1190 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1191 [[extern long long foo;]],
1192 [[switch (foo & 2) { case 0: return 1; }]])],
1193 gdb_cv_c_long_long=yes,
1194 gdb_cv_c_long_long=no)])
1195 if test $gdb_cv_c_long_long = yes; then
1196 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1197 [Define to 1 if the compiler supports long long.])
1200 # Check if the compiler and runtime support printing long longs.
1202 AC_CACHE_CHECK([for long long support in printf],
1203 gdb_cv_printf_has_long_long,
1204 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1207 l = (l << 16) + 0x0123;
1208 l = (l << 16) + 0x4567;
1209 l = (l << 16) + 0x89ab;
1210 l = (l << 16) + 0xcdef;
1211 sprintf (buf, "0x%016llx", l);
1212 return (strcmp ("0x0123456789abcdef", buf));]])],
1213 gdb_cv_printf_has_long_long=yes,
1214 gdb_cv_printf_has_long_long=no,
1215 gdb_cv_printf_has_long_long=no)])
1216 if test $gdb_cv_printf_has_long_long = yes; then
1217 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1218 [Define to 1 if the "%ll" format works to print long longs.])
1221 # Check if the compiler and runtime support printing decfloats.
1223 AC_CACHE_CHECK([for decfloat support in printf],
1224 gdb_cv_printf_has_decfloat,
1225 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1227 _Decimal32 d32 = 1.2345df;
1228 _Decimal64 d64 = 1.2345dd;
1229 _Decimal128 d128 = 1.2345dl;
1230 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1231 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1232 gdb_cv_printf_has_decfloat=yes,
1233 gdb_cv_printf_has_decfloat=no,
1234 gdb_cv_printf_has_decfloat=no)])
1235 if test $gdb_cv_printf_has_decfloat = yes; then
1236 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1237 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1240 # Check if the compiler supports the `long double' type. We can't use
1241 # AC_C_LONG_DOUBLE because that one does additional checks on the
1242 # constants defined in <float.h> that fail on some systems,
1243 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1245 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1246 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1247 gdb_cv_c_long_double=yes,
1248 gdb_cv_c_long_double=no)])
1249 if test $gdb_cv_c_long_double = yes; then
1250 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1251 [Define to 1 if the compiler supports long double.])
1254 # Check if the compiler and runtime support printing long doubles.
1256 AC_CACHE_CHECK([for long double support in printf],
1257 gdb_cv_printf_has_long_double,
1258 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1260 long double f = 3.141592653;
1261 sprintf (buf, "%Lg", f);
1262 return (strncmp ("3.14159", buf, 7));]])],
1263 gdb_cv_printf_has_long_double=yes,
1264 gdb_cv_printf_has_long_double=no,
1265 gdb_cv_printf_has_long_double=no)])
1266 if test $gdb_cv_printf_has_long_double = yes; then
1267 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1268 [Define to 1 if the "%Lg" format works to print long doubles.])
1271 # Check if the compiler and runtime support scanning long doubles.
1273 AC_CACHE_CHECK([for long double support in scanf],
1274 gdb_cv_scanf_has_long_double,
1275 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1276 [[#include <stdio.h>]],
1277 [[char *buf = "3.141592653";
1279 sscanf (buf, "%Lg", &f);
1280 return !(f > 3.14159 && f < 3.14160);]])],
1281 gdb_cv_scanf_has_long_double=yes,
1282 gdb_cv_scanf_has_long_double=no,
1283 gdb_cv_scanf_has_long_double=no)])
1284 if test $gdb_cv_scanf_has_long_double = yes; then
1285 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1286 [Define to 1 if the "%Lg" format works to scan long doubles.])
1291 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1292 SAVE_LDFLAGS=$LDFLAGS
1295 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1296 *) gdb_cv_bigtoc=-bbigtoc ;;
1299 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1300 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1301 LDFLAGS="${SAVE_LDFLAGS}"
1303 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1308 dnl For certain native configurations, we need to check whether thread
1309 dnl support can be built in or not.
1311 dnl Note that we only want this if we are both native (host == target),
1312 dnl and not doing a canadian cross build (build == host).
1314 if test ${build} = ${host} -a ${host} = ${target} ; then
1317 AC_MSG_CHECKING(for HPUX/OSF thread support)
1318 if test -f /usr/include/dce/cma_config.h ; then
1319 if test "$GCC" = "yes" ; then
1321 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
1322 [Define if you have HPUX threads])
1323 CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
1324 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
1326 AC_MSG_RESULT(no (suppressed because you are not using GCC))
1333 # See if thread_db library is around for Solaris thread debugging.
1334 # Note that we must explicitly test for version 1 of the library
1335 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1337 AC_MSG_CHECKING(for Solaris thread debugging library)
1338 if test -f /usr/lib/libthread_db.so.1 ; then
1340 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1341 [Define if using Solaris thread debugging.])
1342 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1343 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1344 AC_CHECK_LIB(dl, dlopen)
1345 if test "$GCC" = "yes" ; then
1346 # The GNU linker requires the -export-dynamic option to make
1347 # all symbols visible in the dynamic symbol table.
1348 hold_ldflags=$LDFLAGS
1349 AC_MSG_CHECKING(for the ld -export-dynamic flag)
1350 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
1351 AC_TRY_LINK(, [int i;], found=yes, found=no)
1352 LDFLAGS=$hold_ldflags
1353 AC_MSG_RESULT($found)
1354 if test $found = yes; then
1355 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
1358 # Sun randomly tweaked the prototypes in <proc_service.h>
1360 AC_MSG_CHECKING(if <proc_service.h> is old)
1361 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1363 #include <proc_service.h>
1365 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1366 ],, gdb_cv_proc_service_is_old=no,
1367 gdb_cv_proc_service_is_old=yes)
1369 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1370 if test $gdb_cv_proc_service_is_old = yes; then
1371 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1372 [Define if <proc_service.h> on solaris uses int instead of
1373 size_t, and assorted other type changes.])
1380 AC_MSG_CHECKING(for AiX thread debugging library)
1381 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1382 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1383 [#ifndef PTHDB_VERSION_3
1386 gdb_cv_have_aix_thread_debug=yes,
1387 gdb_cv_have_aix_thread_debug=no)])
1388 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1389 if test $gdb_cv_have_aix_thread_debug = yes; then
1390 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1391 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1392 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1396 AC_SUBST(CONFIG_LDFLAGS)
1399 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1400 dnl other error codes.
1401 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1402 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1403 gdb_cv_thread_db_h_has_td_notalloc,
1405 [#include <thread_db.h>],
1406 [int i = TD_NOTALLOC;],
1407 gdb_cv_thread_db_h_has_td_notalloc=yes,
1408 gdb_cv_thread_db_h_has_td_notalloc=no
1411 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1412 gdb_cv_thread_db_h_has_td_version,
1414 [#include <thread_db.h>],
1415 [int i = TD_VERSION;],
1416 gdb_cv_thread_db_h_has_td_version=yes,
1417 gdb_cv_thread_db_h_has_td_version=no
1420 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1421 gdb_cv_thread_db_h_has_td_notls,
1423 [#include <thread_db.h>],
1424 [int i = TD_NOTLS;],
1425 gdb_cv_thread_db_h_has_td_notls=yes,
1426 gdb_cv_thread_db_h_has_td_notls=no
1430 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1431 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1432 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1434 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1435 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1436 [Define if <thread_db.h> has the TD_VERSION error code.])
1438 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1439 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1440 [Define if <thread_db.h> has the TD_NOTLS error code.])
1443 dnl See if we have a sys/syscall header file that has __NR_tkill.
1444 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1445 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1446 gdb_cv_sys_syscall_h_has_tkill,
1448 [#include <sys/syscall.h>],
1449 [int i = __NR_tkill;],
1450 gdb_cv_sys_syscall_h_has_tkill=yes,
1451 gdb_cv_sys_syscall_h_has_tkill=no
1455 dnl See if we can issue tkill syscall.
1456 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1457 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1460 dnl Check if we can disable the virtual address space randomization.
1461 dnl The functionality of setarch -R.
1462 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1463 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1464 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1465 # define ADDR_NO_RANDOMIZE 0x0040000
1467 /* Test the flag could be set and stays set. */
1468 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1469 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1471 AC_RUN_IFELSE([PERSONALITY_TEST],
1472 [have_personality=true],
1473 [have_personality=false],
1474 [AC_LINK_IFELSE([PERSONALITY_TEST],
1475 [have_personality=true],
1476 [have_personality=false])])
1477 if $have_personality
1479 AC_DEFINE([HAVE_PERSONALITY], 1,
1480 [Define if you support the personality syscall.])
1483 dnl Handle optional features that can be enabled.
1485 target_sysroot_reloc=0
1486 AC_ARG_WITH(sysroot,
1487 AS_HELP_STRING([--with-sysroot@<:@=DIR@:>@], [search for usr/lib et al within DIR]),
1489 case ${with_sysroot} in
1490 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1491 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1494 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1496 if test "x$prefix" = xNONE; then
1497 test_prefix=/usr/local
1501 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1502 test_exec_prefix=$test_prefix
1504 test_exec_prefix=$exec_prefix
1506 case ${TARGET_SYSTEM_ROOT} in
1507 "${test_prefix}"|"${test_prefix}/"*|\
1508 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1509 '${prefix}'|'${prefix}/'*|\
1510 '${exec_prefix}'|'${exec_prefix}/'*)
1511 target_sysroot_reloc=1
1516 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1518 TARGET_SYSTEM_ROOT_DEFINE="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE=$target_sysroot_reloc"
1519 AC_SUBST(TARGET_SYSTEM_ROOT)
1520 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1522 GDB_AC_WITH_DIR(SYSTEM_GDBINIT, system-gdbinit,
1523 [automatically load a system-wide gdbinit file],
1526 AC_ARG_ENABLE(werror,
1527 AS_HELP_STRING([--enable-werror], [treat compile warnings as errors]),
1528 [case "${enableval}" in
1529 yes | y) ERROR_ON_WARNING="yes" ;;
1530 no | n) ERROR_ON_WARNING="no" ;;
1531 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1534 # Enable -Werror by default when using gcc
1535 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1536 ERROR_ON_WARNING=yes
1540 if test "${ERROR_ON_WARNING}" = yes ; then
1541 WERROR_CFLAGS="-Werror"
1544 # The entries after -Wno-pointer-sign are disabled warnings which may
1545 # be enabled in the future, which can not currently be used to build
1547 # NOTE: If you change this list, remember to update
1548 # gdb/doc/gdbint.texinfo.
1549 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1550 -Wformat-nonliteral -Wno-pointer-sign \
1551 -Wno-unused -Wunused-value -Wunused-function \
1552 -Wno-switch -Wno-char-subscripts"
1554 # Enable -Wno-format by default when using gcc on mingw since many
1555 # GCC versions complain about %I64.
1557 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1560 AC_ARG_ENABLE(build-warnings,
1561 AS_HELP_STRING([--enable-build-warnings], [enable build-time compiler warnings if gcc is used]),
1562 [case "${enableval}" in
1564 no) build_warnings="-w";;
1565 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1566 build_warnings="${build_warnings} ${t}";;
1567 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1568 build_warnings="${t} ${build_warnings}";;
1569 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1571 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1572 echo "Setting compiler warning flags = $build_warnings" 6>&1
1574 AC_ARG_ENABLE(gdb-build-warnings,
1575 AS_HELP_STRING([--enable-gdb-build-warnings], [enable GDB specific build-time compiler warnings if gcc is used]),
1576 [case "${enableval}" in
1578 no) build_warnings="-w";;
1579 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1580 build_warnings="${build_warnings} ${t}";;
1581 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1582 build_warnings="${t} ${build_warnings}";;
1583 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1585 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1586 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1589 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1591 AC_MSG_CHECKING(compiler warning flags)
1592 # Separate out the -Werror flag as some files just cannot be
1593 # compiled with it enabled.
1594 for w in ${build_warnings}; do
1596 -Werr*) WERROR_CFLAGS=-Werror ;;
1597 *) # Check that GCC accepts it
1598 saved_CFLAGS="$CFLAGS"
1600 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1601 CFLAGS="$saved_CFLAGS"
1604 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1606 AC_SUBST(WARN_CFLAGS)
1607 AC_SUBST(WERROR_CFLAGS)
1609 # In the Cygwin environment, we need some additional flags.
1610 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1611 [AC_EGREP_CPP(lose, [
1612 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1614 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1617 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1618 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1620 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1621 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1622 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1624 AC_SUBST(SER_HARDWIRE)
1626 # libreadline needs libuser32.a in a cygwin environment
1628 if test x$gdb_cv_os_cygwin = xyes; then
1629 WIN32LIBS="-luser32"
1631 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1636 # The ser-tcp.c module requires sockets.
1639 AC_DEFINE(USE_WIN32API, 1,
1640 [Define if we should use the Windows API, instead of the
1641 POSIX API. On Windows, we use the Windows API when
1642 building for MinGW, but the POSIX API when building
1644 WIN32LIBS="$WIN32LIBS -lws2_32"
1649 # Add ELF support to GDB, but only if BFD includes ELF support.
1651 OLD_LDFLAGS=$LDFLAGS
1653 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1654 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1655 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1656 LIBS="-lbfd -liberty $intl $LIBS"
1657 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1659 [#include <stdlib.h>
1661 #include "elf-bfd.h"
1663 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1664 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1665 if test $gdb_cv_var_elf = yes; then
1666 CONFIG_OBS="$CONFIG_OBS elfread.o"
1667 AC_DEFINE(HAVE_ELF, 1,
1668 [Define if ELF support should be included.])
1671 LDFLAGS=$OLD_LDFLAGS
1674 # Add any host-specific objects to GDB.
1675 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1677 LIBGUI="../libgui/src/libgui.a"
1678 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1680 AC_SUBST(GUI_CFLAGS_X)
1684 AC_SUBST(WIN32LDAPP)
1687 *-*-cygwin* | *-*-mingw* )
1696 if test "${enable_gdbtk}" = "yes"; then
1698 # Gdbtk must have an absolute path to srcdir in order to run
1699 # properly when not installed.
1707 # If $no_tk is nonempty, then we can't do Tk, and there is no
1708 # point to doing Tcl.
1711 if test -z "${no_tcl}" -a -z "${no_tk}"; then
1714 # Check for in-tree tcl
1721 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1725 # Find Tcl private headers
1726 if test x"${intree}" = xno; then
1727 CY_AC_TCL_PRIVATE_HEADERS
1728 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1729 TCL_LIBRARY="${TCL_LIB_SPEC}"
1732 # If building tcl in the same src tree, private headers
1733 # are not needed, but we need to be sure to use the right
1735 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1736 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1737 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1739 AC_SUBST(TCL_INCLUDE)
1740 AC_SUBST(TCL_LIBRARY)
1745 # Check for in-tree Tk
1747 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1751 # Find Tk private headers
1752 if test x"${intree}" = xno; then
1753 CY_AC_TK_PRIVATE_HEADERS
1754 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1755 TK_LIBRARY=${TK_LIB_SPEC}
1758 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1759 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1760 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1762 AC_SUBST(TK_INCLUDE)
1763 AC_SUBST(TK_LIBRARY)
1765 AC_SUBST(TK_XINCLUDES)
1767 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1769 # Include some libraries that Tcl and Tk want.
1770 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1771 # Yes, the ordering seems wrong here. But it isn't.
1772 # TK_LIBS is the list of libraries that need to be linked
1773 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1774 # were in LIBS then any link tests after this point would
1775 # try to include things like `$(LIBGUI)', which wouldn't work.
1776 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1778 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1779 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1780 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1781 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1782 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1783 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1784 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1786 if test x$gdb_cv_os_cygwin = xyes; then
1787 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1788 WIN32LDAPP="-Wl,--subsystem,console"
1789 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1792 AC_CONFIG_SUBDIRS(gdbtk)
1800 AC_SUBST(GDBTK_CFLAGS)
1801 AC_SUBST(GDBTK_SRC_DIR)
1805 # Unlike the sim directory, whether a simulator is linked is controlled by
1806 # presence of a gdb_sim definition in the target configure.tgt entry.
1807 # This code just checks for a few cases where we'd like to ignore those
1808 # definitions, even when they're present in the '.mt' file. These cases
1809 # are when --disable-sim is specified, or if the simulator directory is
1810 # not part of the source tree.
1813 AS_HELP_STRING([--enable-sim], [link gdb with simulator]),
1814 [echo "enable_sim = $enable_sim";
1815 echo "enableval = ${enableval}";
1816 case "${enableval}" in
1817 yes) ignore_sim=false ;;
1818 no) ignore_sim=true ;;
1819 *) ignore_sim=false ;;
1823 if test ! -d "${srcdir}/../sim"; then
1829 if test "${ignore_sim}" = "false"; then
1830 if test x"${gdb_sim}" != x ; then
1832 SIM_OBS="remote-sim.o"
1833 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
1839 AC_SUBST(ENABLE_CFLAGS)
1840 AC_SUBST(PROFILE_CFLAGS)
1842 AC_SUBST(CONFIG_OBS)
1843 AC_SUBST(CONFIG_DEPS)
1844 AC_SUBST(CONFIG_SRCS)
1845 AC_SUBST(CONFIG_ALL)
1846 AC_SUBST(CONFIG_CLEAN)
1847 AC_SUBST(CONFIG_INSTALL)
1848 AC_SUBST(CONFIG_UNINSTALL)
1850 # List of host floatformats.
1851 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
1852 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
1853 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
1855 # target_subdir is used by the testsuite to find the target libraries.
1857 if test "${host}" != "${target}"; then
1858 target_subdir="${target_alias}/"
1860 AC_SUBST(target_subdir)
1863 if test "${gdb_native}" = "yes"; then
1864 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1865 if test ! -f ${host_makefile_frag}; then
1866 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
1868 frags="$frags $host_makefile_frag"
1870 host_makefile_frag=/dev/null
1873 AC_SUBST_FILE(host_makefile_frag)
1877 if test "${gdb_native}" = "yes"; then
1878 # We pick this up from the host configuration file (.mh) because we
1879 # do not have a native configuration Makefile fragment.
1880 nativefile=`sed -n '
1881 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1882 ' ${host_makefile_frag}`
1886 if test x"${gdb_osabi}" != x ; then
1887 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
1888 [Define to the default OS ABI for this configuration.])
1891 # Enable multi-ice-gdb-server.
1892 AC_ARG_ENABLE(multi-ice,
1893 AS_HELP_STRING([--enable-multi-ice], [build the multi-ice-gdb-server]),
1897 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
1899 if test "x$enable_multi_ice" = xyes; then
1900 AC_CONFIG_SUBDIRS(multi-ice)
1903 # We only build gdbserver automatically in a native configuration.
1904 if test "$gdb_native" = "yes"; then
1905 AC_MSG_CHECKING(whether gdbserver is supported on this host)
1906 if test "x$build_gdbserver" = xyes; then
1908 AC_CONFIG_SUBDIRS(gdbserver)
1914 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
1915 # to an empty version.
1921 if test "${nativefile}" != ""; then
1922 case "${nativefile}" in
1923 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
1924 * ) GDB_NM_FILE="${nativefile}"
1926 files="${files} ${GDB_NM_FILE}"
1927 links="${links} nm.h"
1928 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
1930 AC_SUBST(GDB_NM_FILE)
1932 AC_LINK_FILES($files, $links)
1934 dnl Check for exe extension set on certain hosts (e.g. Win32)
1937 dnl Detect the character set used by this host.
1938 dnl At the moment, we just assume it's UTF-8.
1939 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "UTF-8",
1940 [Define to be a string naming the default host character set.])
1942 AC_OUTPUT(Makefile .gdbinit:gdbinit.in gnulib/Makefile,
1944 case x$CONFIG_HEADERS in
1945 xconfig.h:config.in)