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
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)
38 # Dependency checking.
40 ZW_PROG_COMPILER_DEPENDENCIES([CC])
42 # Check for the 'make' the user wants to use.
43 AC_CHECK_PROGS(MAKE, make)
45 case "`$MAKE --version 2>&1 | sed 1q`" in
50 AM_CONDITIONAL(GMAKE, test "$MAKE_IS_GNU" = yes)
53 dnl List of object files and targets accumulated by configure.
65 dnl Set up for gettext.
66 ZW_GNU_GETTEXT_SISTER_DIR
68 localedir='${datadir}/locale'
71 if test x"$USE_NLS" = xyes; then
72 CONFIG_ALL="$CONFIG_ALL all-po"
73 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
74 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
75 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
80 # For Makefile dependencies.
82 if test x"$STDINT_H" != x; then
83 GNULIB_STDINT_H=gnulib/$STDINT_H
85 AC_SUBST(GNULIB_STDINT_H)
88 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
91 # GDB does not use automake, but gnulib does. This line lets us
92 # generate its Makefile.in.
93 AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define])
95 debugdir=${libdir}/debug
97 AC_ARG_WITH(separate-debug-dir,
98 [ --with-separate-debug-dir=path Look for global separate debug info in this path [LIBDIR/debug]],
99 [debugdir="${withval}"])
101 AC_DEFINE_DIR(DEBUGDIR, debugdir,
102 [Global directory for separate debug files. ])
103 #AC_DEFINE_UNQUOTED(DEBUGDIR, "$debugdir"),
105 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
106 if test "x$prefix" = xNONE; then
107 test_prefix=/usr/local
112 test_prefix=$exec_prefix
115 "${test_prefix}"|"${test_prefix}/"*|\
116 '${exec_prefix}'|'${exec_prefix}/'*)
117 AC_DEFINE(DEBUGDIR_RELOCATABLE, 1, [Define if the debug directory should be relocated when GDB is moved.])
121 AC_CONFIG_SUBDIRS(doc testsuite)
123 # Check whether to support alternative target configurations
124 AC_ARG_ENABLE(targets,
125 [ --enable-targets alternative target configurations],
126 [case "${enableval}" in
127 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
129 no) enable_targets= ;;
130 *) enable_targets=$enableval ;;
133 # Check whether to enable 64-bit support on 32-bit hosts
134 AC_ARG_ENABLE(64-bit-bfd,
135 [ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)],
136 [case "${enableval}" in
139 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
140 esac],[want64=false])dnl
142 # Provide defaults for some variables set by the per-host and per-target
144 gdb_host_obs=posix-hdep.o
146 if test "${target}" = "${host}"; then
152 . $srcdir/configure.host
154 # Accumulate some settings from configure.tgt over all enabled targets
159 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
161 if test "$targ_alias" = "all"; then
164 # Canonicalize the secondary target names.
165 result=`$ac_config_sub $targ_alias 2>/dev/null`
166 if test -n "$result"; then
172 . ${srcdir}/configure.tgt
174 # Target-specific object files
175 for i in ${gdb_target_obs}; do
176 case " $TARGET_OBS " in
179 TARGET_OBS="$TARGET_OBS ${i}"
184 # Check whether this target needs 64-bit CORE_ADDR
185 if test x${want64} = xfalse; then
186 . ${srcdir}/../bfd/config.bfd
191 if test x${all_targets} = xtrue; then
193 # We want all 64-bit targets if we either:
194 # - run on a 64-bit host or
195 # - already require 64-bit support for some other target or
196 # - the --enable-64-bit-bfd option was supplied
197 # Otherwise we only support all 32-bit targets.
199 # NOTE: This test must be in sync with the corresponding
202 if test x${want64} = xfalse; then
203 AC_CHECK_SIZEOF(long)
204 if test "x${ac_cv_sizeof_long}" = "x8"; then
208 if test x${want64} = xtrue; then
209 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
211 TARGET_OBS='$(ALL_TARGET_OBS)'
217 # For other settings, only the main target counts.
221 targ=$target; . ${srcdir}/configure.tgt
223 # Fetch the default architecture and default target vector from BFD.
224 targ=$target; . $srcdir/../bfd/config.bfd
226 # We only want the first architecture, so strip off the others if
227 # there is more than one.
228 targ_archs=`echo $targ_archs | sed 's/ .*//'`
230 if test "x$targ_archs" != x; then
231 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
232 [Define to BFD's default architecture. ])
234 if test "x$targ_defvec" != x; then
235 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
236 [Define to BFD's default target vector. ])
239 # The CLI cannot be disabled yet, but may be in the future.
242 AC_ARG_ENABLE(gdbcli,
243 [ --disable-gdbcli disable command-line interface (CLI)],
248 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
250 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
253 if test x"$enable_gdbcli" = xyes; then
254 if test -d $srcdir/cli; then
255 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
256 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
257 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
258 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
264 [ --disable-gdbmi disable machine-interface (MI)],
269 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
272 if test x"$enable_gdbmi" = xyes; then
273 if test -d $srcdir/mi; then
274 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
275 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
276 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
277 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
283 [ --enable-tui enable full-screen terminal user interface (TUI)],
288 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
289 esac],enable_tui=auto)
293 [ --enable-gdbtk enable gdbtk graphical user interface (GUI)],
298 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
300 [if test -d $srcdir/gdbtk; then
305 # We unconditionally disable gdbtk tests on selected platforms.
308 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
313 AC_ARG_WITH(libunwind,
314 [ --with-libunwind Use libunwind frame unwinding support],
315 [case "${withval}" in
316 yes) enable_libunwind=yes ;;
317 no) enable_libunwind=no ;;
318 *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
320 AC_CHECK_HEADERS(libunwind.h libunwind-ia64.h)
321 if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
322 enable_libunwind=yes;
326 if test x"$enable_libunwind" = xyes; then
327 AC_CHECK_HEADERS(libunwind.h libunwind-ia64.h)
328 AC_DEFINE(HAVE_LIBUNWIND, 1, [Define if libunwind library is being used.])
329 CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
330 CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
331 CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
335 AC_ARG_ENABLE(profiling,
336 [ --enable-profiling enable profiling of GDB],
341 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
343 [enable_profiling=no])
345 AC_CHECK_FUNCS(monstartup _mcleanup)
346 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
351 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
352 if test $ac_cv_var__etext = yes; then
353 AC_DEFINE(HAVE__ETEXT, 1,
354 [Define to 1 if your system has the _etext variable. ])
356 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
361 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
362 if test $ac_cv_var_etext = yes; then
363 AC_DEFINE(HAVE_ETEXT, 1,
364 [Define to 1 if your system has the etext variable. ])
366 if test "$enable_profiling" = yes ; then
367 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
368 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
372 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
374 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
375 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
376 ac_cv_cc_supports_pg=no)])
378 if test $ac_cv_cc_supports_pg = no; then
379 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
385 ACX_PKGVERSION([GDB])
386 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
387 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
388 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
390 # --------------------- #
391 # Checks for programs. #
392 # --------------------- #
400 AC_CHECK_TOOL(AR, ar)
401 AC_CHECK_TOOL(DLLTOOL, dlltool)
402 AC_CHECK_TOOL(WINDRES, windres)
404 # Needed for GNU/Hurd.
405 AC_CHECK_TOOL(MIG, mig)
407 # ---------------------- #
408 # Checks for libraries. #
409 # ---------------------- #
411 # We might need to link with -lm; most simulators need it.
412 AC_CHECK_LIB(m, main)
414 # We need to link with -lw to get `wctype' on Solaris before Solaris
415 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
416 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
417 # is known to have this problem). Therefore we avoid libw if we can.
418 AC_CHECK_FUNC(wctype, [],
419 [AC_CHECK_LIB(w, wctype)])
421 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
422 AC_SEARCH_LIBS(gethostbyname, nsl)
424 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
425 AC_SEARCH_LIBS(socketpair, socket)
427 # Link in zlib if we can. This allows us to read compressed debug sections.
428 AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)])
430 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
431 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
433 # On alpha-osf, it appears that libtermcap and libcurses are not compatible.
434 # There is a very specific comment in /usr/include/curses.h explaining that
435 # termcap routines built into libcurses must not be used.
437 # The symptoms we observed so far is GDB unexpectedly changing
438 # the terminal settings when tgetent is called - this is particularly
439 # visible as the output is missing carriage returns, and so rapidly
440 # becomes very hard to read.
442 # The readline configure script has already decided that libtermcap
443 # was enough for its purposes, and so decided to build readline using
444 # libtermcap. Since the TUI mode requires curses, building GDB with
445 # TUI enabled results in both libraries to be used at the same time,
446 # which is not allowed. This basically means that GDB with TUI is
447 # broken on alpha-osf.
451 if "$enable_tui" = "yes"; then
452 AC_MSG_ERROR([Building GDB with TUI mode is not supported on this host])
454 if "$enable_tui" = "auto"; then
460 # Check whether we should enable the TUI, but only do so if we really
462 if test x"$enable_tui" != xno; then
463 if test -d $srcdir/tui; then
464 # For the TUI, we need enhanced curses functionality.
466 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
467 # curses library because the latter might not provide all the
468 # functionality we need. However, this leads to problems on systems
469 # where the linker searches /usr/local/lib, but the compiler doesn't
470 # search /usr/local/include, if ncurses is installed in /usr/local. A
471 # default installation of ncurses on alpha*-dec-osf* will lead to such
473 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
475 if test "$ac_cv_search_waddstr" != no; then
476 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
477 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
478 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
479 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
480 CONFIG_ALL="${CONFIG_ALL} all-tui"
481 CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
482 CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
483 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
485 if test x"$enable_tui" = xyes; then
486 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
488 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
494 # Since GDB uses Readline, we need termcap functionality. In many
495 # cases this will be provided by the curses library, but some systems
496 # have a seperate termcap library, or no curses library at all.
500 if test -d $srcdir/libtermcap; then
501 LIBS="../libtermcap/libtermcap.a $LIBS"
502 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
505 ac_cv_search_tgetent="none required"
508 ac_cv_search_tgetent="none required"
509 CONFIG_OBS="$CONFIG_OBS windows-termcap.o"
513 # These are the libraries checked by Readline.
514 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
516 if test "$ac_cv_search_tgetent" = no; then
517 AC_MSG_ERROR([no termcap library found])
520 AC_ARG_WITH([system-readline],
521 [AS_HELP_STRING([--with-system-readline],
522 [use installed readline library])])
524 if test "$with_system_readline" = yes; then
529 READLINE='$(READLINE_DIR)/libreadline.a'
530 READLINE_DEPS='$(READLINE)'
531 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
534 AC_SUBST(READLINE_DEPS)
535 AC_SUBST(READLINE_CFLAGS)
538 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
539 [], [with_expat=auto])
540 AC_MSG_CHECKING([whether to use expat])
541 AC_MSG_RESULT([$with_expat])
543 if test "${with_expat}" = no; then
544 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
547 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
548 [XML_Parser p = XML_ParserCreate (0);])
549 if test "$HAVE_LIBEXPAT" != yes; then
550 if test "$with_expat" = yes; then
551 AC_MSG_ERROR([expat is missing or unusable])
553 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
557 LIBS="$LIBS $LIBEXPAT"
558 AC_CHECK_FUNCS(XML_StopParser)
563 dnl Utility to simplify finding libpython.
564 AC_DEFUN([AC_TRY_LIBPYTHON],
567 define([have_libpython_var],$2)
568 define([VERSION],[translit([$1],[abcdefghijklmnopqrstuvwxyz./-],
569 [ABCDEFGHIJKLMNOPQRSTUVWXYZ___])])
571 AC_MSG_CHECKING([for ${version}])
573 LIBS="$LIBS -l${version}"
574 AC_LINK_IFELSE(AC_LANG_PROGRAM([[#include "${version}/Python.h"]],
575 [[Py_Initialize ();]]),
576 [[HAVE_LIB]VERSION=yes
577 have_libpython_var=yes],
579 AC_MSG_RESULT([$[HAVE_LIB]VERSION])
583 AS_HELP_STRING([--with-python], [include python support (auto/yes/no/<path>)]),
584 [], [with_python=auto])
585 AC_MSG_CHECKING([whether to use python])
586 AC_MSG_RESULT([$with_python])
588 if test "${with_python}" = no; then
589 AC_MSG_WARN([python support disabled; some features may be unavailable.])
592 case "${with_python}" in
594 # Leave as empty, use defaults.
599 python_includes="-I${with_python}/include"
600 python_libs="-L${with_python}/lib"
603 AC_ERROR(invalid value for --with-python)
607 save_CPPFLAGS=$CPPFLAGS
608 CPPFLAGS="$CPPFLAGS ${python_includes}"
610 LIBS="$LIBS ${python_libs}"
612 if test "${have_libpython}" = no; then
613 AC_TRY_LIBPYTHON(python2.6, have_libpython)
614 if test "${HAVE_LIBPYTHON2_6}" = yes; then
615 AC_DEFINE(HAVE_LIBPYTHON2_6, 1, [Define if Python 2.6 is being used.])
618 if test ${have_libpython} = no; then
619 AC_TRY_LIBPYTHON(python2.5, have_libpython)
620 if test "${HAVE_LIBPYTHON2_5}" = yes; then
621 AC_DEFINE(HAVE_LIBPYTHON2_5, 1, [Define if Python 2.5 is being used.])
624 if test ${have_libpython} = no; then
625 AC_TRY_LIBPYTHON(python2.4, have_libpython)
626 if test "${HAVE_LIBPYTHON2_4}" = yes; then
627 AC_DEFINE(HAVE_LIBPYTHON2_4, 1, [Define if Python 2.4 is being used.])
630 if test ${have_libpython} = no; then
631 case "${with_python}" in
633 AC_MSG_ERROR([python is missing or unusable])
636 AC_MSG_WARN([python is missing or unusable; some features may be unavailable.])
639 AC_MSG_ERROR([no usable python found at ${with_python}])
642 CPPFLAGS=$save_CPPFLAGS
647 if test "${have_libpython}" = yes; then
648 AC_DEFINE(HAVE_PYTHON, 1, [Define if Python interpreter is being linked in.])
649 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_PYTHON_OBS)"
650 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_PYTHON_DEPS)"
651 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_PYTHON_SRCS)"
652 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_PYTHON_CFLAGS)"
654 # Flags needed to compile Python code (taken from python-config --cflags).
655 # We cannot call python-config directly because it will output whatever was
656 # used when compiling the Python interpreter itself, including flags which
657 # would make the python-related objects be compiled differently from the
658 # rest of GDB (e.g., -O2 and -fPIC).
659 if test "${GCC}" = yes; then
660 tentative_python_cflags="-fno-strict-aliasing -DNDEBUG -fwrapv"
663 if test "x${tentative_python_cflags}" != x; then
664 AC_MSG_CHECKING(compiler flags for python code)
665 for flag in ${tentative_python_cflags}; do
666 # Check that the compiler accepts it
667 saved_CFLAGS="$CFLAGS"
668 CFLAGS="$CFLAGS $flag"
669 AC_TRY_COMPILE([],[],PYTHON_CFLAGS="${PYTHON_CFLAGS} $flag",)
670 CFLAGS="$saved_CFLAGS"
672 AC_MSG_RESULT(${PYTHON_CFLAGS})
675 # Even if Python support is not compiled in, we need to have these files
676 # included in order to recognize the GDB command "python".
677 CONFIG_OBS="$CONFIG_OBS python.o python-value.o"
678 CONFIG_SRCS="$CONFIG_SRCS python/python.c python/python-value.c"
680 AC_SUBST(PYTHON_CFLAGS)
682 # ------------------------- #
683 # Checks for header files. #
684 # ------------------------- #
689 # elf_hp.h is for HP/UX 64-bit shared library support.
690 # FIXME: kettenis/20030102: In most cases we include these (ctype.h, time.h)
691 # unconditionally, so what's the point in checking these?
692 AC_CHECK_HEADERS([nlist.h machine/reg.h poll.h sys/poll.h proc_service.h \
693 thread_db.h gnu/libc-version.h signal.h stddef.h \
694 stdlib.h string.h memory.h strings.h sys/fault.h \
695 sys/file.h sys/filio.h sys/ioctl.h sys/param.h \
696 sys/resource.h sys/procfs.h sys/ptrace.h ptrace.h \
697 sys/reg.h sys/debugreg.h sys/select.h sys/syscall.h \
698 sys/types.h sys/wait.h wait.h termios.h termio.h \
699 sgtty.h unistd.h elf_hp.h ctype.h time.h locale.h])
700 AC_CHECK_HEADERS(link.h, [], [],
701 [#if HAVE_SYS_TYPES_H
702 # include <sys/types.h>
708 AC_CHECK_HEADERS(sys/proc.h, [], [],
709 [#if HAVE_SYS_PARAM_H
710 # include <sys/param.h>
713 AC_CHECK_HEADERS(sys/user.h, [], [],
714 [#if HAVE_SYS_PARAM_H
715 # include <sys/param.h>
719 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
720 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
721 # think that we don't have <curses.h> if we're using GCC.
724 if test "$GCC" = yes; then
725 AC_DEFINE(_MSE_INT_H, 1,
726 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
727 Solaris 2.[789] when using GCC. ])
730 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h ncurses/term.h)
731 AC_CHECK_HEADERS(term.h, [], [],
737 # ------------------------- #
738 # Checks for declarations. #
739 # ------------------------- #
741 AC_CHECK_DECLS([free, malloc, realloc, strerror, strstr, getopt,
742 snprintf, vsnprintf])
745 # ----------------------- #
746 # Checks for structures. #
747 # ----------------------- #
749 AC_CHECK_MEMBERS([struct stat.st_blocks, struct stat.st_blksize])
751 # ------------------ #
752 # Checks for types. #
753 # ------------------ #
756 AC_CHECK_TYPES(socklen_t, [], [],
757 [#include <sys/types.h>
758 #include <sys/socket.h>
761 # ------------------------------------- #
762 # Checks for compiler characteristics. #
763 # ------------------------------------- #
769 # ------------------------------ #
770 # Checks for library functions. #
771 # ------------------------------ #
776 AC_CHECK_FUNCS([canonicalize_file_name realpath getrusage getuid \
777 getgid poll pread64 sbrk setpgid setpgrp setsid \
778 sigaction sigprocmask sigsetmask socketpair syscall \
779 ttrace wborder setlocale])
781 # Check the return and argument types of ptrace. No canned test for
782 # this, so roll our own.
785 # include <sys/types.h>
787 #if HAVE_SYS_PTRACE_H
788 # include <sys/ptrace.h>
794 # There is no point in checking if we don't have a prototype.
795 AC_CHECK_DECLS(ptrace, [], [
796 : ${gdb_cv_func_ptrace_ret='int'}
797 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
798 ], $gdb_ptrace_headers)
799 # Check return type. Varargs (used on GNU/Linux) conflict with the
800 # empty argument list, so check for that explicitly.
801 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
802 AC_TRY_COMPILE($gdb_ptrace_headers,
803 [extern long ptrace (enum __ptrace_request, ...);],
804 gdb_cv_func_ptrace_ret='long',
805 AC_TRY_COMPILE($gdb_ptrace_headers,
806 [extern int ptrace ();],
807 gdb_cv_func_ptrace_ret='int',
808 gdb_cv_func_ptrace_ret='long')))
809 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
810 [Define as the return type of ptrace.])
811 # Check argument types.
812 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
813 AC_TRY_COMPILE($gdb_ptrace_headers,
814 [extern long ptrace (enum __ptrace_request, ...);],
815 [gdb_cv_func_ptrace_args='int,int,long,long'],[
816 for gdb_arg1 in 'int' 'long'; do
817 for gdb_arg2 in 'pid_t' 'int' 'long'; do
818 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
819 for gdb_arg4 in 'int' 'long'; do
820 AC_TRY_COMPILE($gdb_ptrace_headers, [
821 extern $gdb_cv_func_ptrace_ret
822 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
823 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
825 for gdb_arg5 in 'int *' 'int' 'long'; do
826 AC_TRY_COMPILE($gdb_ptrace_headers, [
827 extern $gdb_cv_func_ptrace_ret
828 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
830 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
837 # Provide a safe default value.
838 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
840 ac_save_IFS=$IFS; IFS=','
841 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
844 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
845 [Define to the type of arg 3 for ptrace.])
846 if test -n "$[5]"; then
847 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
848 [Define to the type of arg 5 for ptrace.])
851 dnl AC_FUNC_SETPGRP does not work when cross compiling
852 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
853 if test "$cross_compiling" = no; then
856 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
860 if (setpgrp(1,1) == -1)
864 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
865 if test $ac_cv_func_setpgrp_void = yes; then
866 AC_DEFINE(SETPGRP_VOID, 1)
870 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
871 # since sigsetjmp might only be defined as a macro.
872 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
875 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
876 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
877 if test $gdb_cv_func_sigsetjmp = yes; then
878 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
881 # Assume we'll default to using the included libiberty regex.
882 gdb_use_included_regex=yes
884 # However, if the system regex is GNU regex, then default to *not*
885 # using the included regex.
888 [gdb_cv_have_gnu_regex],
890 [#include <gnu-versions.h>],
891 [#define REGEX_INTERFACE_VERSION 1
892 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
893 # error "Version mismatch"
895 gdb_cv_have_gnu_regex=yes,
896 gdb_cv_have_gnu_regex=no)])
897 if test $gdb_cv_have_gnu_regex = yes; then
898 gdb_use_included_regex=no
901 AC_ARG_WITH(included-regex,
902 [ --without-included-regex don't use included regex; this is the default
903 on systems with version 2 of the GNU C library
904 (use with caution on other system)],
905 gdb_with_regex=$withval,
906 gdb_with_regex=$gdb_use_included_regex)
907 if test "$gdb_with_regex" = yes; then
908 AC_DEFINE(USE_INCLUDED_REGEX, 1,
909 [Define to 1 if the regex included in libiberty should be used.])
912 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
913 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
914 [#include <sys/param.h>
915 #include <sys/proc.h>
918 # See if <sys/lwp.h> defines `struct lwp`.
919 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
920 [AC_TRY_COMPILE([#include <sys/param.h>
921 #include <sys/lwp.h>], [struct lwp l;],
922 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
923 if test $gdb_cv_struct_lwp = yes; then
924 AC_DEFINE(HAVE_STRUCT_LWP, 1,
925 [Define to 1 if your system has struct lwp.])
928 # See if <machine/reg.h> degines `struct reg'.
929 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
930 [AC_TRY_COMPILE([#include <sys/types.h>
931 #include <machine/reg.h>], [struct reg r;],
932 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
933 if test $gdb_cv_struct_reg = yes; then
934 AC_DEFINE(HAVE_STRUCT_REG, 1,
935 [Define to 1 if your system has struct reg in <machine/reg.h>.])
938 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
939 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
940 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
941 [#include <machine/reg.h>])
943 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
944 AC_MSG_CHECKING(for PTRACE_GETREGS)
945 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
946 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
948 [gdb_cv_have_ptrace_getregs=yes],
949 [gdb_cv_have_ptrace_getregs=no])])
950 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
951 if test $gdb_cv_have_ptrace_getregs = yes; then
952 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
953 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
956 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
957 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
958 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
959 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
960 [PTRACE_GETFPXREGS;],
961 [gdb_cv_have_ptrace_getfpxregs=yes],
962 [gdb_cv_have_ptrace_getfpxregs=no])])
963 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
964 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
965 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
966 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
969 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
970 AC_MSG_CHECKING(for PT_GETDBREGS)
971 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
972 [AC_TRY_COMPILE([#include <sys/types.h>
973 #include <sys/ptrace.h>],
975 [gdb_cv_have_pt_getdbregs=yes],
976 [gdb_cv_have_pt_getdbregs=no])])
977 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
978 if test $gdb_cv_have_pt_getdbregs = yes; then
979 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
980 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
983 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
984 AC_MSG_CHECKING(for PT_GETXMMREGS)
985 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
986 [AC_TRY_COMPILE([#include <sys/types.h>
987 #include <sys/ptrace.h>],
989 [gdb_cv_have_pt_getxmmregs=yes],
990 [gdb_cv_have_pt_getxmmregs=no])])
991 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
992 if test $gdb_cv_have_pt_getxmmregs = yes; then
993 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
994 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
997 # Detect which type of /proc is in use, such as for Unixware or Solaris.
999 if test "${target}" = "${host}"; then
1001 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
1002 AC_DEFINE(NEW_PROC_API, 1,
1003 [Define if you want to use new multi-fd /proc interface
1004 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1006 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
1007 AC_DEFINE(NEW_PROC_API, 1,
1008 [Define if you want to use new multi-fd /proc interface
1009 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
1012 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
1013 AC_DEFINE([_KMEMUSER], 1,
1014 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
1015 around a <sys/proc.h> problem on IRIX 5.])
1020 if test "$ac_cv_header_sys_procfs_h" = yes; then
1021 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
1022 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
1023 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
1024 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
1025 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
1026 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
1027 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
1028 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
1029 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
1030 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
1031 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
1032 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
1033 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
1034 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
1037 dnl Check for broken prfpregset_t type
1039 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
1040 dnl prfpregset_t type (it's a typedef for the pointer to a struct
1041 dnl instead of the struct itself). We detect this here, and work
1042 dnl around it in gdb_proc_service.h.
1044 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
1045 AC_MSG_CHECKING(whether prfpregset_t type is broken)
1046 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
1047 [AC_TRY_RUN([#include <sys/procfs.h>
1050 if (sizeof (prfpregset_t) == sizeof (void *))
1054 gdb_cv_prfpregset_t_broken=no,
1055 gdb_cv_prfpregset_t_broken=yes,
1056 gdb_cv_prfpregset_t_broken=yes)])
1057 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
1058 if test $gdb_cv_prfpregset_t_broken = yes; then
1059 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
1060 [Define if the prfpregset_t type is broken.])
1064 dnl Check for PIOCSET ioctl entry
1066 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
1067 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
1068 [AC_TRY_COMPILE([#include <unistd.h>
1069 #include <sys/types.h>
1070 #include <sys/procfs.h>
1073 dummy = ioctl(0, PIOCSET, &dummy);
1075 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
1076 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
1077 if test $gdb_cv_have_procfs_piocset = yes; then
1078 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
1079 [Define if ioctl argument PIOCSET is available.])
1083 dnl For native ports (host == target), check to see what kind of
1084 dnl legacy link.h support is needed. (See solib-legacy.c.)
1085 if test ${host} = ${target} ; then
1086 dnl Check for struct link_map with l_ members which are indicative
1087 dnl of SVR4-like shared libraries
1089 AC_MSG_CHECKING(for member l_addr in struct link_map)
1090 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
1091 [AC_TRY_COMPILE([#include <link.h>],
1092 [struct link_map lm; (void) lm.l_addr;],
1093 gdb_cv_have_struct_link_map_with_l_members=yes,
1094 gdb_cv_have_struct_link_map_with_l_members=no)])
1095 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
1096 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
1097 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
1098 [Define if <link.h> exists and defines struct link_map which has
1099 members with an ``l_'' prefix. (For Solaris, SVR4, and
1100 SVR4-like systems.)])
1103 dnl Check for struct link_map with lm_ members which are indicative
1104 dnl of SunOS-like shared libraries
1106 AC_MSG_CHECKING(for member lm_addr in struct link_map)
1107 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
1108 [AC_TRY_COMPILE([#include <sys/types.h>
1110 [struct link_map lm; (void) lm.lm_addr;],
1111 gdb_cv_have_struct_link_map_with_lm_members=yes,
1112 gdb_cv_have_struct_link_map_with_lm_members=no)])
1113 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
1114 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
1115 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
1116 [Define if <link.h> exists and defines struct link_map which has
1117 members with an ``lm_'' prefix. (For SunOS.)])
1120 dnl Check for struct so_map with som_ members which are found on
1121 dnl some *BSD systems.
1123 AC_MSG_CHECKING(for member som_addr in struct so_map)
1124 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
1125 [AC_TRY_COMPILE([#include <sys/types.h>
1130 [struct so_map lm; (void) lm.som_addr;],
1131 gdb_cv_have_struct_so_map_with_som_members=yes,
1132 gdb_cv_have_struct_so_map_with_som_members=no)])
1133 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
1134 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
1135 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
1136 [Define if <link.h> exists and defines a struct so_map which has
1137 members with an ``som_'' prefix. (Found on older *BSD systems.)])
1140 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
1141 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
1143 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
1144 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
1145 [AC_TRY_COMPILE([#define _SYSCALL32
1146 #include <sys/link.h>], [struct link_map32 l;],
1147 gdb_cv_have_struct_link_map32=yes,
1148 gdb_cv_have_struct_link_map32=no)])
1149 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
1150 if test $gdb_cv_have_struct_link_map32 = yes; then
1151 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
1152 [Define if <sys/link.h> has struct link_map32])
1153 AC_DEFINE(_SYSCALL32, 1,
1154 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1158 # Check if the compiler supports the `long long' type.
1160 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1161 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1162 [[extern long long foo;]],
1163 [[switch (foo & 2) { case 0: return 1; }]])],
1164 gdb_cv_c_long_long=yes,
1165 gdb_cv_c_long_long=no)])
1166 if test $gdb_cv_c_long_long = yes; then
1167 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1168 [Define to 1 if the compiler supports long long.])
1171 # Check if the compiler and runtime support printing long longs.
1173 AC_CACHE_CHECK([for long long support in printf],
1174 gdb_cv_printf_has_long_long,
1175 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1178 l = (l << 16) + 0x0123;
1179 l = (l << 16) + 0x4567;
1180 l = (l << 16) + 0x89ab;
1181 l = (l << 16) + 0xcdef;
1182 sprintf (buf, "0x%016llx", l);
1183 return (strcmp ("0x0123456789abcdef", buf));]])],
1184 gdb_cv_printf_has_long_long=yes,
1185 gdb_cv_printf_has_long_long=no,
1186 gdb_cv_printf_has_long_long=no)])
1187 if test $gdb_cv_printf_has_long_long = yes; then
1188 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1189 [Define to 1 if the "%ll" format works to print long longs.])
1192 # Check if the compiler and runtime support printing decfloats.
1194 AC_CACHE_CHECK([for decfloat support in printf],
1195 gdb_cv_printf_has_decfloat,
1196 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1198 _Decimal32 d32 = 1.2345df;
1199 _Decimal64 d64 = 1.2345dd;
1200 _Decimal128 d128 = 1.2345dl;
1201 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1202 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1203 gdb_cv_printf_has_decfloat=yes,
1204 gdb_cv_printf_has_decfloat=no,
1205 gdb_cv_printf_has_decfloat=no)])
1206 if test $gdb_cv_printf_has_decfloat = yes; then
1207 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1208 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1211 # Check if the compiler supports the `long double' type. We can't use
1212 # AC_C_LONG_DOUBLE because that one does additional checks on the
1213 # constants defined in <float.h> that fail on some systems,
1214 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1216 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1217 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1218 gdb_cv_c_long_double=yes,
1219 gdb_cv_c_long_double=no)])
1220 if test $gdb_cv_c_long_double = yes; then
1221 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1222 [Define to 1 if the compiler supports long double.])
1225 # Check if the compiler and runtime support printing long doubles.
1227 AC_CACHE_CHECK([for long double support in printf],
1228 gdb_cv_printf_has_long_double,
1229 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1231 long double f = 3.141592653;
1232 sprintf (buf, "%Lg", f);
1233 return (strncmp ("3.14159", buf, 7));]])],
1234 gdb_cv_printf_has_long_double=yes,
1235 gdb_cv_printf_has_long_double=no,
1236 gdb_cv_printf_has_long_double=no)])
1237 if test $gdb_cv_printf_has_long_double = yes; then
1238 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1239 [Define to 1 if the "%Lg" format works to print long doubles.])
1242 # Check if the compiler and runtime support scanning long doubles.
1244 AC_CACHE_CHECK([for long double support in scanf],
1245 gdb_cv_scanf_has_long_double,
1246 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1247 [[#include <stdio.h>]],
1248 [[char *buf = "3.141592653";
1250 sscanf (buf, "%Lg", &f);
1251 return !(f > 3.14159 && f < 3.14160);]])],
1252 gdb_cv_scanf_has_long_double=yes,
1253 gdb_cv_scanf_has_long_double=no,
1254 gdb_cv_scanf_has_long_double=no)])
1255 if test $gdb_cv_scanf_has_long_double = yes; then
1256 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1257 [Define to 1 if the "%Lg" format works to scan long doubles.])
1262 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1263 SAVE_LDFLAGS=$LDFLAGS
1266 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1267 *) gdb_cv_bigtoc=-bbigtoc ;;
1270 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1271 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1272 LDFLAGS="${SAVE_LDFLAGS}"
1274 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1279 dnl For certain native configurations, we need to check whether thread
1280 dnl support can be built in or not.
1282 dnl Note that we only want this if we are both native (host == target),
1283 dnl and not doing a canadian cross build (build == host).
1285 if test ${build} = ${host} -a ${host} = ${target} ; then
1288 AC_MSG_CHECKING(for HPUX/OSF thread support)
1289 if test -f /usr/include/dce/cma_config.h ; then
1290 if test "$GCC" = "yes" ; then
1292 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
1293 [Define if you have HPUX threads])
1294 CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
1295 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
1297 AC_MSG_RESULT(no (suppressed because you are not using GCC))
1304 # See if thread_db library is around for Solaris thread debugging.
1305 # Note that we must explicitly test for version 1 of the library
1306 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1308 AC_MSG_CHECKING(for Solaris thread debugging library)
1309 if test -f /usr/lib/libthread_db.so.1 ; then
1311 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1312 [Define if using Solaris thread debugging.])
1313 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1314 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1315 AC_CHECK_LIB(dl, dlopen)
1316 if test "$GCC" = "yes" ; then
1317 # The GNU linker requires the -export-dynamic option to make
1318 # all symbols visible in the dynamic symbol table.
1319 hold_ldflags=$LDFLAGS
1320 AC_MSG_CHECKING(for the ld -export-dynamic flag)
1321 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
1322 AC_TRY_LINK(, [int i;], found=yes, found=no)
1323 LDFLAGS=$hold_ldflags
1324 AC_MSG_RESULT($found)
1325 if test $found = yes; then
1326 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
1329 # Sun randomly tweaked the prototypes in <proc_service.h>
1331 AC_MSG_CHECKING(if <proc_service.h> is old)
1332 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1334 #include <proc_service.h>
1336 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1337 ],, gdb_cv_proc_service_is_old=no,
1338 gdb_cv_proc_service_is_old=yes)
1340 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1341 if test $gdb_cv_proc_service_is_old = yes; then
1342 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1343 [Define if <proc_service.h> on solaris uses int instead of
1344 size_t, and assorted other type changes.])
1351 AC_MSG_CHECKING(for AiX thread debugging library)
1352 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1353 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1354 [#ifndef PTHDB_VERSION_3
1357 gdb_cv_have_aix_thread_debug=yes,
1358 gdb_cv_have_aix_thread_debug=no)])
1359 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1360 if test $gdb_cv_have_aix_thread_debug = yes; then
1361 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1362 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1363 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1367 AC_SUBST(CONFIG_LDFLAGS)
1370 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1371 dnl other error codes.
1372 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1373 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1374 gdb_cv_thread_db_h_has_td_notalloc,
1376 [#include <thread_db.h>],
1377 [int i = TD_NOTALLOC;],
1378 gdb_cv_thread_db_h_has_td_notalloc=yes,
1379 gdb_cv_thread_db_h_has_td_notalloc=no
1382 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1383 gdb_cv_thread_db_h_has_td_version,
1385 [#include <thread_db.h>],
1386 [int i = TD_VERSION;],
1387 gdb_cv_thread_db_h_has_td_version=yes,
1388 gdb_cv_thread_db_h_has_td_version=no
1391 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1392 gdb_cv_thread_db_h_has_td_notls,
1394 [#include <thread_db.h>],
1395 [int i = TD_NOTLS;],
1396 gdb_cv_thread_db_h_has_td_notls=yes,
1397 gdb_cv_thread_db_h_has_td_notls=no
1401 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1402 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1403 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1405 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1406 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1407 [Define if <thread_db.h> has the TD_VERSION error code.])
1409 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1410 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1411 [Define if <thread_db.h> has the TD_NOTLS error code.])
1414 dnl See if we have a sys/syscall header file that has __NR_tkill.
1415 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1416 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1417 gdb_cv_sys_syscall_h_has_tkill,
1419 [#include <sys/syscall.h>],
1420 [int i = __NR_tkill;],
1421 gdb_cv_sys_syscall_h_has_tkill=yes,
1422 gdb_cv_sys_syscall_h_has_tkill=no
1426 dnl See if we can issue tkill syscall.
1427 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1428 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1431 dnl Check if we can disable the virtual address space randomization.
1432 dnl The functionality of setarch -R.
1433 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1434 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1435 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1436 # define ADDR_NO_RANDOMIZE 0x0040000
1438 /* Test the flag could be set and stays set. */
1439 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1440 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1442 AC_RUN_IFELSE([PERSONALITY_TEST],
1443 [have_personality=true],
1444 [have_personality=false],
1445 [AC_LINK_IFELSE([PERSONALITY_TEST],
1446 [have_personality=true],
1447 [have_personality=false])])
1448 if $have_personality
1450 AC_DEFINE([HAVE_PERSONALITY], 1,
1451 [Define if you support the personality syscall.])
1454 dnl Handle optional features that can be enabled.
1456 AC_ARG_WITH(sysroot,
1457 [ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
1459 case ${with_sysroot} in
1460 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1461 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1464 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1466 if test "x$prefix" = xNONE; then
1467 test_prefix=/usr/local
1471 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1472 test_exec_prefix=$test_prefix
1474 test_exec_prefix=$exec_prefix
1476 case ${TARGET_SYSTEM_ROOT} in
1477 "${test_prefix}"|"${test_prefix}/"*|\
1478 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1479 '${prefix}'|'${prefix}/'*|\
1480 '${exec_prefix}'|'${exec_prefix}/'*)
1481 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
1482 TARGET_SYSTEM_ROOT_DEFINE="$t"
1487 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1489 AC_SUBST(TARGET_SYSTEM_ROOT)
1490 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1492 AC_ARG_ENABLE(werror,
1493 [ --enable-werror treat compile warnings as errors],
1494 [case "${enableval}" in
1495 yes | y) ERROR_ON_WARNING="yes" ;;
1496 no | n) ERROR_ON_WARNING="no" ;;
1497 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1500 # Enable -Werror by default when using gcc
1501 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1502 ERROR_ON_WARNING=yes
1506 if test "${ERROR_ON_WARNING}" = yes ; then
1507 WERROR_CFLAGS="-Werror"
1510 # The entries after -Wno-pointer-sign are disabled warnings which may
1511 # be enabled in the future, which can not currently be used to build
1513 # NOTE: If you change this list, remember to update
1514 # gdb/doc/gdbint.texinfo.
1515 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1516 -Wformat-nonliteral -Wno-pointer-sign \
1517 -Wno-unused -Wno-switch -Wno-char-subscripts"
1519 # Enable -Wno-format by default when using gcc on mingw since many
1520 # GCC versions complain about %I64.
1522 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1525 AC_ARG_ENABLE(build-warnings,
1526 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
1527 [case "${enableval}" in
1529 no) build_warnings="-w";;
1530 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1531 build_warnings="${build_warnings} ${t}";;
1532 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1533 build_warnings="${t} ${build_warnings}";;
1534 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1536 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1537 echo "Setting compiler warning flags = $build_warnings" 6>&1
1539 AC_ARG_ENABLE(gdb-build-warnings,
1540 [ --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],
1541 [case "${enableval}" in
1543 no) build_warnings="-w";;
1544 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1545 build_warnings="${build_warnings} ${t}";;
1546 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1547 build_warnings="${t} ${build_warnings}";;
1548 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1550 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1551 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1554 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1556 AC_MSG_CHECKING(compiler warning flags)
1557 # Separate out the -Werror flag as some files just cannot be
1558 # compiled with it enabled.
1559 for w in ${build_warnings}; do
1561 -Werr*) WERROR_CFLAGS=-Werror ;;
1562 *) # Check that GCC accepts it
1563 saved_CFLAGS="$CFLAGS"
1565 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1566 CFLAGS="$saved_CFLAGS"
1569 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1571 AC_SUBST(WARN_CFLAGS)
1572 AC_SUBST(WERROR_CFLAGS)
1574 # In the Cygwin environment, we need some additional flags.
1575 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1576 [AC_EGREP_CPP(lose, [
1577 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1579 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1582 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1583 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1585 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1586 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1587 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1589 AC_SUBST(SER_HARDWIRE)
1591 # libreadline needs libuser32.a in a cygwin environment
1593 if test x$gdb_cv_os_cygwin = xyes; then
1594 WIN32LIBS="-luser32"
1596 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1601 # The ser-tcp.c module requires sockets.
1604 AC_DEFINE(USE_WIN32API, 1,
1605 [Define if we should use the Windows API, instead of the
1606 POSIX API. On Windows, we use the Windows API when
1607 building for MinGW, but the POSIX API when building
1609 WIN32LIBS="$WIN32LIBS -lws2_32"
1614 # Add ELF support to GDB, but only if BFD includes ELF support.
1616 OLD_LDFLAGS=$LDFLAGS
1618 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1619 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1620 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1621 LIBS="-lbfd -liberty $intl $LIBS"
1622 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1624 [#include <stdlib.h>
1626 #include "elf-bfd.h"
1628 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1629 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1630 if test $gdb_cv_var_elf = yes; then
1631 CONFIG_OBS="$CONFIG_OBS elfread.o"
1632 AC_DEFINE(HAVE_ELF, 1,
1633 [Define if ELF support should be included.])
1636 LDFLAGS=$OLD_LDFLAGS
1639 # Add any host-specific objects to GDB.
1640 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1642 LIBGUI="../libgui/src/libgui.a"
1643 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1645 AC_SUBST(GUI_CFLAGS_X)
1649 AC_SUBST(WIN32LDAPP)
1652 *-*-cygwin* | *-*-mingw* )
1661 if test "${enable_gdbtk}" = "yes"; then
1663 # Gdbtk must have an absolute path to srcdir in order to run
1664 # properly when not installed.
1671 if test -z "${no_tcl}"; then
1674 # Check for in-tree tcl
1681 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1685 # Find Tcl private headers
1686 if test x"${intree}" = xno; then
1687 CY_AC_TCL_PRIVATE_HEADERS
1688 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1689 TCL_LIBRARY="${TCL_LIB_SPEC}"
1692 # If building tcl in the same src tree, private headers
1693 # are not needed, but we need to be sure to use the right
1695 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1696 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1697 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1699 AC_SUBST(TCL_INCLUDE)
1700 AC_SUBST(TCL_LIBRARY)
1703 # If $no_tk is nonempty, then we can't do Tk, and there is no
1704 # point to doing Tcl.
1705 if test -z "${no_tk}"; then
1709 # Check for in-tree Tk
1711 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1715 # Find Tk private headers
1716 if test x"${intree}" = xno; then
1717 CY_AC_TK_PRIVATE_HEADERS
1718 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1719 TK_LIBRARY=${TK_LIB_SPEC}
1722 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1723 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1724 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1726 AC_SUBST(TK_INCLUDE)
1727 AC_SUBST(TK_LIBRARY)
1729 AC_SUBST(TK_XINCLUDES)
1731 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1733 # Include some libraries that Tcl and Tk want.
1734 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1735 # Yes, the ordering seems wrong here. But it isn't.
1736 # TK_LIBS is the list of libraries that need to be linked
1737 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1738 # were in LIBS then any link tests after this point would
1739 # try to include things like `$(LIBGUI)', which wouldn't work.
1740 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1742 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1743 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1744 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1745 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1746 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1747 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1748 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1750 if test x$gdb_cv_os_cygwin = xyes; then
1751 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1752 WIN32LDAPP="-Wl,--subsystem,console"
1753 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1758 AC_CONFIG_SUBDIRS(gdbtk)
1765 AC_SUBST(GDBTK_CFLAGS)
1766 AC_SUBST(GDBTK_SRC_DIR)
1770 # Unlike the sim directory, whether a simulator is linked is controlled by
1771 # presence of a gdb_sim definition in the target configure.tgt entry.
1772 # This code just checks for a few cases where we'd like to ignore those
1773 # definitions, even when they're present in the '.mt' file. These cases
1774 # are when --disable-sim is specified, or if the simulator directory is
1775 # not part of the source tree.
1778 [ --enable-sim Link gdb with simulator],
1779 [echo "enable_sim = $enable_sim";
1780 echo "enableval = ${enableval}";
1781 case "${enableval}" in
1782 yes) ignore_sim=false ;;
1783 no) ignore_sim=true ;;
1784 *) ignore_sim=false ;;
1788 if test ! -d "${srcdir}/../sim"; then
1794 if test "${ignore_sim}" = "false"; then
1795 if test x"${gdb_sim}" != x ; then
1797 SIM_OBS="remote-sim.o"
1798 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
1804 AC_SUBST(ENABLE_CFLAGS)
1805 AC_SUBST(PROFILE_CFLAGS)
1807 AC_SUBST(CONFIG_OBS)
1808 AC_SUBST(CONFIG_DEPS)
1809 AC_SUBST(CONFIG_SRCS)
1810 AC_SUBST(CONFIG_ALL)
1811 AC_SUBST(CONFIG_CLEAN)
1812 AC_SUBST(CONFIG_INSTALL)
1813 AC_SUBST(CONFIG_UNINSTALL)
1815 # List of host floatformats.
1816 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
1817 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
1818 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
1820 # target_subdir is used by the testsuite to find the target libraries.
1822 if test "${host}" != "${target}"; then
1823 target_subdir="${target_alias}/"
1825 AC_SUBST(target_subdir)
1828 if test "${gdb_native}" = "yes"; then
1829 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1830 if test ! -f ${host_makefile_frag}; then
1831 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
1833 frags="$frags $host_makefile_frag"
1835 host_makefile_frag=/dev/null
1838 AC_SUBST_FILE(host_makefile_frag)
1842 if test "${gdb_native}" = "yes"; then
1843 # We pick this up from the host configuration file (.mh) because we
1844 # do not have a native configuration Makefile fragment.
1845 nativefile=`sed -n '
1846 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1847 ' ${host_makefile_frag}`
1851 if test x"${gdb_osabi}" != x ; then
1852 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
1853 [Define to the default OS ABI for this configuration.])
1856 # Enable multi-ice-gdb-server.
1857 AC_ARG_ENABLE(multi-ice,
1858 [ --enable-multi-ice build the multi-ice-gdb-server],
1862 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
1864 if test "x$enable_multi_ice" = xyes; then
1865 AC_CONFIG_SUBDIRS(multi-ice)
1868 # We only build gdbserver automatically in a native configuration.
1869 if test "$gdb_native" = "yes"; then
1870 AC_MSG_CHECKING(whether gdbserver is supported on this host)
1871 if test "x$build_gdbserver" = xyes; then
1873 AC_CONFIG_SUBDIRS(gdbserver)
1879 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
1880 # to an empty version.
1887 if test "${nativefile}" != ""; then
1889 case "${nativefile}" in
1890 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
1891 * ) GDB_NM_FILE="${nativefile}"
1893 files="${files} ${GDB_NM_FILE}"
1894 links="${links} nm.h"
1895 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
1899 AC_LINK_FILES($files, $links)
1901 dnl Check for exe extension set on certain hosts (e.g. Win32)
1904 dnl Detect the character set used by this host.
1906 dnl At the moment, we just assume it's ISO-8859-1 (which is a
1907 dnl superset of ASCII containing the characters needed for French,
1908 dnl German, Spanish, Italian, and possibly others), but if were
1909 dnl *were* to support any host character sets other than ISO-8859-1,
1910 dnl here's where we'd detect it.
1911 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "ISO-8859-1",
1912 [Define to be a string naming the default host character set.])
1916 AC_OUTPUT(Makefile .gdbinit:gdbinit.in gnulib/Makefile,
1918 dnl Autoconf doesn't provide a mechanism for modifying definitions
1919 dnl provided by makefile fragments.
1923 sed -e '/^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1924 mv -f Makefile.tmp Makefile
1928 case x$CONFIG_HEADERS in
1929 xconfig.h:config.in)
1934 gdb_host_cpu=$gdb_host_cpu
1935 nativefile=$nativefile