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 dnl List of object files and targets accumulated by configure.
50 dnl Set up for gettext.
51 ZW_GNU_GETTEXT_SISTER_DIR
53 localedir='${datadir}/locale'
56 if test x"$USE_NLS" = xyes; then
57 CONFIG_ALL="$CONFIG_ALL all-po"
58 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
59 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
60 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
65 # For Makefile dependencies.
67 if test x"$STDINT_H" != x; then
68 GNULIB_STDINT_H=gnulib/$STDINT_H
70 AC_SUBST(GNULIB_STDINT_H)
73 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
76 # GDB does not use automake, but gnulib does. This line lets us
77 # generate its Makefile.in.
78 AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define])
80 debugdir=${libdir}/debug
82 AC_ARG_WITH(separate-debug-dir,
83 [ --with-separate-debug-dir=path Look for global separate debug info in this path [LIBDIR/debug]],
84 [debugdir="${withval}"])
86 AC_DEFINE_DIR(DEBUGDIR, debugdir,
87 [Global directory for separate debug files. ])
88 #AC_DEFINE_UNQUOTED(DEBUGDIR, "$debugdir"),
90 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
91 if test "x$prefix" = xNONE; then
92 test_prefix=/usr/local
97 test_prefix=$exec_prefix
100 "${test_prefix}"|"${test_prefix}/"*|\
101 '${exec_prefix}'|'${exec_prefix}/'*)
102 AC_DEFINE(DEBUGDIR_RELOCATABLE, 1, [Define if the debug directory should be relocated when GDB is moved.])
106 AC_CONFIG_SUBDIRS(doc testsuite)
108 # Check whether to support alternative target configurations
109 AC_ARG_ENABLE(targets,
110 [ --enable-targets alternative target configurations],
111 [case "${enableval}" in
112 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
114 no) enable_targets= ;;
115 *) enable_targets=$enableval ;;
118 # Check whether to enable 64-bit support on 32-bit hosts
119 AC_ARG_ENABLE(64-bit-bfd,
120 [ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)],
121 [case "${enableval}" in
124 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
125 esac],[want64=false])dnl
127 # Provide defaults for some variables set by the per-host and per-target
129 gdb_host_obs=posix-hdep.o
131 if test "${target}" = "${host}"; then
137 . $srcdir/configure.host
139 # Accumulate some settings from configure.tgt over all enabled targets
144 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
146 if test "$targ_alias" = "all"; then
149 # Canonicalize the secondary target names.
150 result=`$ac_config_sub $targ_alias 2>/dev/null`
151 if test -n "$result"; then
157 . ${srcdir}/configure.tgt
159 # Target-specific object files
160 for i in ${gdb_target_obs}; do
161 case " $TARGET_OBS " in
164 TARGET_OBS="$TARGET_OBS ${i}"
169 # Check whether this target needs 64-bit CORE_ADDR
170 if test x${want64} = xfalse; then
171 . ${srcdir}/../bfd/config.bfd
176 if test x${all_targets} = xtrue; then
178 # We want all 64-bit targets if we either:
179 # - run on a 64-bit host or
180 # - already require 64-bit support for some other target or
181 # - the --enable-64-bit-bfd option was supplied
182 # Otherwise we only support all 32-bit targets.
184 # NOTE: This test must be in sync with the corresponding
187 if test x${want64} = xfalse; then
188 AC_CHECK_SIZEOF(long)
189 if test "x${ac_cv_sizeof_long}" = "x8"; then
193 if test x${want64} = xtrue; then
194 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
196 TARGET_OBS='$(ALL_TARGET_OBS)'
202 # For other settings, only the main target counts.
206 targ=$target; . ${srcdir}/configure.tgt
208 # Fetch the default architecture and default target vector from BFD.
209 targ=$target; . $srcdir/../bfd/config.bfd
211 # We only want the first architecture, so strip off the others if
212 # there is more than one.
213 targ_archs=`echo $targ_archs | sed 's/ .*//'`
215 if test "x$targ_archs" != x; then
216 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
217 [Define to BFD's default architecture. ])
219 if test "x$targ_defvec" != x; then
220 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
221 [Define to BFD's default target vector. ])
224 # The CLI cannot be disabled yet, but may be in the future.
227 AC_ARG_ENABLE(gdbcli,
228 [ --disable-gdbcli disable command-line interface (CLI)],
233 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
235 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
238 if test x"$enable_gdbcli" = xyes; then
239 if test -d $srcdir/cli; then
240 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
241 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
242 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
243 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
249 [ --disable-gdbmi disable machine-interface (MI)],
254 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
257 if test x"$enable_gdbmi" = xyes; then
258 if test -d $srcdir/mi; then
259 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
260 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
261 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
262 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
268 [ --enable-tui enable full-screen terminal user interface (TUI)],
273 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
274 esac],enable_tui=auto)
278 [ --enable-gdbtk enable gdbtk graphical user interface (GUI)],
283 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
285 [if test -d $srcdir/gdbtk; then
290 # We unconditionally disable gdbtk tests on selected platforms.
293 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
298 AC_ARG_WITH(libunwind,
299 [ --with-libunwind Use libunwind frame unwinding support],
300 [case "${withval}" in
301 yes) enable_libunwind=yes ;;
302 no) enable_libunwind=no ;;
303 *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
305 AC_CHECK_HEADERS(libunwind.h)
306 AC_CHECK_HEADERS(libunwind-ia64.h)
307 if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
308 enable_libunwind=yes;
312 if test x"$enable_libunwind" = xyes; then
313 AC_CHECK_HEADERS(libunwind.h)
314 AC_CHECK_HEADERS(libunwind-ia64.h)
315 AC_DEFINE(HAVE_LIBUNWIND, 1, [Define if libunwind library is being used.])
316 CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
317 CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
318 CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
322 AC_ARG_ENABLE(profiling,
323 [ --enable-profiling enable profiling of GDB],
328 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
330 [enable_profiling=no])
332 AC_CHECK_FUNCS(monstartup _mcleanup)
333 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
338 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
339 if test $ac_cv_var__etext = yes; then
340 AC_DEFINE(HAVE__ETEXT, 1,
341 [Define to 1 if your system has the _etext variable. ])
343 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
348 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
349 if test $ac_cv_var_etext = yes; then
350 AC_DEFINE(HAVE_ETEXT, 1,
351 [Define to 1 if your system has the etext variable. ])
353 if test "$enable_profiling" = yes ; then
354 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
355 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
359 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
361 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
362 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
363 ac_cv_cc_supports_pg=no)])
365 if test $ac_cv_cc_supports_pg = no; then
366 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
372 ACX_PKGVERSION([GDB])
373 ACX_BUGURL([http://www.gnu.org/software/gdb/bugs/])
374 AC_DEFINE_UNQUOTED([PKGVERSION], ["$PKGVERSION"], [Additional package description])
375 AC_DEFINE_UNQUOTED([REPORT_BUGS_TO], ["$REPORT_BUGS_TO"], [Bug reporting address])
377 # --------------------- #
378 # Checks for programs. #
379 # --------------------- #
387 AC_CHECK_TOOL(AR, ar)
388 AC_CHECK_TOOL(DLLTOOL, dlltool)
389 AC_CHECK_TOOL(WINDRES, windres)
391 # Needed for GNU/Hurd.
392 AC_CHECK_TOOL(MIG, mig)
394 # ---------------------- #
395 # Checks for libraries. #
396 # ---------------------- #
398 # We might need to link with -lm; most simulators need it.
399 AC_CHECK_LIB(m, main)
401 # We need to link with -lw to get `wctype' on Solaris before Solaris
402 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
403 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
404 # is known to have this problem). Therefore we avoid libw if we can.
405 AC_CHECK_FUNC(wctype, [],
406 [AC_CHECK_LIB(w, wctype)])
408 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
409 AC_SEARCH_LIBS(gethostbyname, nsl)
411 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
412 AC_SEARCH_LIBS(socketpair, socket)
414 # Link in zlib if we can. This allows us to read compressed debug sections.
415 AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)])
417 # For the TUI, we need enhanced curses functionality.
419 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
420 # curses library because the latter might not provide all the
421 # functionality we need. However, this leads to problems on systems
422 # where the linker searches /usr/local/lib, but the compiler doesn't
423 # search /usr/local/include, if ncurses is installed in /usr/local. A
424 # default installation of ncurses on alpha*-dec-osf* will lead to such
426 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
428 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
429 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
431 # Since GDB uses Readline, we need termcap functionality. In many
432 # cases this will be provided by the curses library, but some systems
433 # have a seperate termcap library, or no curses library at all.
437 if test -d $srcdir/libtermcap; then
438 LIBS="../libtermcap/libtermcap.a $LIBS"
439 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
442 ac_cv_search_tgetent="none required"
445 ac_cv_search_tgetent="none required"
446 CONFIG_OBS="$CONFIG_OBS win32-termcap.o"
450 # These are the libraries checked by Readline.
451 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
453 if test "$ac_cv_search_tgetent" = no; then
454 AC_MSG_ERROR([no termcap library found])
457 AC_ARG_WITH([system-readline],
458 [AS_HELP_STRING([--with-system-readline],
459 [use installed readline library])])
461 if test "$with_system_readline" = yes; then
466 READLINE='$(READLINE_DIR)/libreadline.a'
467 READLINE_DEPS='$(READLINE)'
468 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
471 AC_SUBST(READLINE_DEPS)
472 AC_SUBST(READLINE_CFLAGS)
475 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
476 [], [with_expat=auto])
477 AC_MSG_CHECKING([whether to use expat])
478 AC_MSG_RESULT([$with_expat])
480 if test "${with_expat}" = no; then
481 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
484 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
485 [XML_Parser p = XML_ParserCreate (0);])
486 if test "$HAVE_LIBEXPAT" != yes; then
487 if test "$with_expat" = yes; then
488 AC_MSG_ERROR([expat is missing or unusable])
490 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
494 LIBS="$LIBS $LIBEXPAT"
495 AC_CHECK_FUNCS(XML_StopParser)
500 # ------------------------- #
501 # Checks for header files. #
502 # ------------------------- #
507 AC_CHECK_HEADERS(nlist.h)
508 AC_CHECK_HEADERS(link.h, [], [],
509 [#if HAVE_SYS_TYPES_H
510 # include <sys/types.h>
516 AC_CHECK_HEADERS(machine/reg.h)
517 AC_CHECK_HEADERS(poll.h sys/poll.h)
518 AC_CHECK_HEADERS(proc_service.h thread_db.h gnu/libc-version.h)
519 AC_CHECK_HEADERS(signal.h)
520 AC_CHECK_HEADERS(stddef.h)
521 AC_CHECK_HEADERS(stdlib.h)
522 AC_CHECK_HEADERS(string.h memory.h strings.h)
523 AC_CHECK_HEADERS(sys/fault.h)
524 AC_CHECK_HEADERS(sys/file.h)
525 AC_CHECK_HEADERS(sys/filio.h)
526 AC_CHECK_HEADERS(sys/ioctl.h)
527 AC_CHECK_HEADERS(sys/param.h)
528 AC_CHECK_HEADERS(sys/resource.h)
529 AC_CHECK_HEADERS(sys/proc.h, [], [],
530 [#if HAVE_SYS_PARAM_H
531 # include <sys/param.h>
534 AC_CHECK_HEADERS(sys/procfs.h)
535 AC_CHECK_HEADERS(sys/ptrace.h ptrace.h)
536 AC_CHECK_HEADERS(sys/reg.h sys/debugreg.h)
537 AC_CHECK_HEADERS(sys/select.h)
538 AC_CHECK_HEADERS(sys/syscall.h)
539 AC_CHECK_HEADERS(sys/types.h)
540 AC_CHECK_HEADERS(sys/user.h, [], [],
541 [#if HAVE_SYS_PARAM_H
542 # include <sys/param.h>
545 AC_CHECK_HEADERS(sys/wait.h wait.h)
546 AC_CHECK_HEADERS(termios.h termio.h sgtty.h)
547 AC_CHECK_HEADERS(unistd.h)
549 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
550 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
551 # think that we don't have <curses.h> if we're using GCC.
554 if test "$GCC" = yes; then
555 AC_DEFINE(_MSE_INT_H, 1,
556 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
557 Solaris 2.[789] when using GCC. ])
560 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h)
561 AC_CHECK_HEADERS(ncurses/term.h)
562 AC_CHECK_HEADERS(term.h, [], [],
568 # Check for HP/UX 64-bit shared library support
569 AC_CHECK_HEADERS(elf_hp.h)
571 # FIXME: kettenis/20030102: In most cases we include these
572 # unconditionally, so what's the point in checking these?
573 AC_CHECK_HEADERS(ctype.h time.h)
575 # ------------------------- #
576 # Checks for declarations. #
577 # ------------------------- #
579 AC_CHECK_DECLS([free, malloc, realloc])
580 AC_CHECK_DECLS([strerror, strstr])
581 AC_CHECK_DECLS([getopt, snprintf, vsnprintf])
583 # ----------------------- #
584 # Checks for structures. #
585 # ----------------------- #
587 AC_CHECK_MEMBERS([struct stat.st_blocks])
588 AC_CHECK_MEMBERS([struct stat.st_blksize])
590 # ------------------ #
591 # Checks for types. #
592 # ------------------ #
595 AC_CHECK_TYPES(socklen_t, [], [],
596 [#include <sys/types.h>
597 #include <sys/socket.h>
600 # ------------------------------------- #
601 # Checks for compiler characteristics. #
602 # ------------------------------------- #
608 # ------------------------------ #
609 # Checks for library functions. #
610 # ------------------------------ #
615 AC_CHECK_FUNCS(canonicalize_file_name realpath)
616 AC_CHECK_FUNCS(getrusage)
617 AC_CHECK_FUNCS(getuid getgid)
619 AC_CHECK_FUNCS(pread64)
621 AC_CHECK_FUNCS(setpgid setpgrp setsid)
622 AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask)
623 AC_CHECK_FUNCS(socketpair)
624 AC_CHECK_FUNCS(syscall)
625 AC_CHECK_FUNCS(ttrace)
626 AC_CHECK_FUNCS(wborder)
628 # Check the return and argument types of ptrace. No canned test for
629 # this, so roll our own.
632 # include <sys/types.h>
634 #if HAVE_SYS_PTRACE_H
635 # include <sys/ptrace.h>
641 # There is no point in checking if we don't have a prototype.
642 AC_CHECK_DECLS(ptrace, [], [
643 : ${gdb_cv_func_ptrace_ret='int'}
644 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
645 ], $gdb_ptrace_headers)
646 # Check return type. Varargs (used on GNU/Linux) conflict with the
647 # empty argument list, so check for that explicitly.
648 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
649 AC_TRY_COMPILE($gdb_ptrace_headers,
650 [extern long ptrace (enum __ptrace_request, ...);],
651 gdb_cv_func_ptrace_ret='long',
652 AC_TRY_COMPILE($gdb_ptrace_headers,
653 [extern int ptrace ();],
654 gdb_cv_func_ptrace_ret='int',
655 gdb_cv_func_ptrace_ret='long')))
656 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
657 [Define as the return type of ptrace.])
658 # Check argument types.
659 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
660 AC_TRY_COMPILE($gdb_ptrace_headers,
661 [extern long ptrace (enum __ptrace_request, ...);],
662 [gdb_cv_func_ptrace_args='int,int,long,long'],[
663 for gdb_arg1 in 'int' 'long'; do
664 for gdb_arg2 in 'pid_t' 'int' 'long'; do
665 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
666 for gdb_arg4 in 'int' 'long'; do
667 AC_TRY_COMPILE($gdb_ptrace_headers, [
668 extern $gdb_cv_func_ptrace_ret
669 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
670 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
672 for gdb_arg5 in 'int *' 'int' 'long'; do
673 AC_TRY_COMPILE($gdb_ptrace_headers, [
674 extern $gdb_cv_func_ptrace_ret
675 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
677 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
684 # Provide a safe default value.
685 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
687 ac_save_IFS=$IFS; IFS=','
688 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
691 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
692 [Define to the type of arg 3 for ptrace.])
693 if test -n "$[5]"; then
694 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
695 [Define to the type of arg 5 for ptrace.])
698 dnl AC_FUNC_SETPGRP does not work when cross compiling
699 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
700 if test "$cross_compiling" = no; then
703 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
707 if (setpgrp(1,1) == -1)
711 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
712 if test $ac_cv_func_setpgrp_void = yes; then
713 AC_DEFINE(SETPGRP_VOID, 1)
717 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
718 # since sigsetjmp might only be defined as a macro.
719 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
722 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
723 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
724 if test $gdb_cv_func_sigsetjmp = yes; then
725 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
728 # Assume we'll default to using the included libiberty regex.
729 gdb_use_included_regex=yes
731 # However, if the system regex is GNU regex, then default to *not*
732 # using the included regex.
735 [gdb_cv_have_gnu_regex],
737 [#include <gnu-versions.h>],
738 [#define REGEX_INTERFACE_VERSION 1
739 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
740 # error "Version mismatch"
742 gdb_cv_have_gnu_regex=yes,
743 gdb_cv_have_gnu_regex=no)])
744 if test $gdb_cv_have_gnu_regex = yes; then
745 gdb_use_included_regex=no
748 AC_ARG_WITH(included-regex,
749 [ --without-included-regex don't use included regex; this is the default
750 on systems with version 2 of the GNU C library
751 (use with caution on other system)],
752 gdb_with_regex=$withval,
753 gdb_with_regex=$gdb_use_included_regex)
754 if test "$gdb_with_regex" = yes; then
755 AC_DEFINE(USE_INCLUDED_REGEX, 1,
756 [Define to 1 if the regex included in libiberty should be used.])
759 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
760 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
761 [#include <sys/param.h>
762 #include <sys/proc.h>
765 # See if <sys/lwp.h> defines `struct lwp`.
766 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
767 [AC_TRY_COMPILE([#include <sys/param.h>
768 #include <sys/lwp.h>], [struct lwp l;],
769 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
770 if test $gdb_cv_struct_lwp = yes; then
771 AC_DEFINE(HAVE_STRUCT_LWP, 1,
772 [Define to 1 if your system has struct lwp.])
775 # See if <machine/reg.h> degines `struct reg'.
776 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
777 [AC_TRY_COMPILE([#include <sys/types.h>
778 #include <machine/reg.h>], [struct reg r;],
779 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
780 if test $gdb_cv_struct_reg = yes; then
781 AC_DEFINE(HAVE_STRUCT_REG, 1,
782 [Define to 1 if your system has struct reg in <machine/reg.h>.])
785 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
786 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
787 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
788 [#include <machine/reg.h>])
790 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
791 AC_MSG_CHECKING(for PTRACE_GETREGS)
792 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
793 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
795 [gdb_cv_have_ptrace_getregs=yes],
796 [gdb_cv_have_ptrace_getregs=no])])
797 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
798 if test $gdb_cv_have_ptrace_getregs = yes; then
799 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
800 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
803 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
804 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
805 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
806 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
807 [PTRACE_GETFPXREGS;],
808 [gdb_cv_have_ptrace_getfpxregs=yes],
809 [gdb_cv_have_ptrace_getfpxregs=no])])
810 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
811 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
812 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
813 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
816 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
817 AC_MSG_CHECKING(for PT_GETDBREGS)
818 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
819 [AC_TRY_COMPILE([#include <sys/types.h>
820 #include <sys/ptrace.h>],
822 [gdb_cv_have_pt_getdbregs=yes],
823 [gdb_cv_have_pt_getdbregs=no])])
824 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
825 if test $gdb_cv_have_pt_getdbregs = yes; then
826 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
827 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
830 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
831 AC_MSG_CHECKING(for PT_GETXMMREGS)
832 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
833 [AC_TRY_COMPILE([#include <sys/types.h>
834 #include <sys/ptrace.h>],
836 [gdb_cv_have_pt_getxmmregs=yes],
837 [gdb_cv_have_pt_getxmmregs=no])])
838 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
839 if test $gdb_cv_have_pt_getxmmregs = yes; then
840 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
841 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
844 # Detect which type of /proc is in use, such as for Unixware or Solaris.
846 if test "${target}" = "${host}"; then
848 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
849 AC_DEFINE(NEW_PROC_API, 1,
850 [Define if you want to use new multi-fd /proc interface
851 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
853 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
854 AC_DEFINE(NEW_PROC_API, 1,
855 [Define if you want to use new multi-fd /proc interface
856 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
859 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
860 AC_DEFINE([_KMEMUSER], 1,
861 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
862 around a <sys/proc.h> problem on IRIX 5.])
867 if test "$ac_cv_header_sys_procfs_h" = yes; then
868 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
869 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
870 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
871 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
872 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
873 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
874 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
875 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
876 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
877 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
878 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
879 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
880 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
881 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
884 dnl Check for broken prfpregset_t type
886 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
887 dnl prfpregset_t type (it's a typedef for the pointer to a struct
888 dnl instead of the struct itself). We detect this here, and work
889 dnl around it in gdb_proc_service.h.
891 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
892 AC_MSG_CHECKING(whether prfpregset_t type is broken)
893 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
894 [AC_TRY_RUN([#include <sys/procfs.h>
897 if (sizeof (prfpregset_t) == sizeof (void *))
901 gdb_cv_prfpregset_t_broken=no,
902 gdb_cv_prfpregset_t_broken=yes,
903 gdb_cv_prfpregset_t_broken=yes)])
904 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
905 if test $gdb_cv_prfpregset_t_broken = yes; then
906 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
907 [Define if the prfpregset_t type is broken.])
911 dnl Check for PIOCSET ioctl entry
913 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
914 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
915 [AC_TRY_COMPILE([#include <unistd.h>
916 #include <sys/types.h>
917 #include <sys/procfs.h>
920 dummy = ioctl(0, PIOCSET, &dummy);
922 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
923 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
924 if test $gdb_cv_have_procfs_piocset = yes; then
925 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
926 [Define if ioctl argument PIOCSET is available.])
930 dnl For native ports (host == target), check to see what kind of
931 dnl legacy link.h support is needed. (See solib-legacy.c.)
932 if test ${host} = ${target} ; then
933 dnl Check for struct link_map with l_ members which are indicative
934 dnl of SVR4-like shared libraries
936 AC_MSG_CHECKING(for member l_addr in struct link_map)
937 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
938 [AC_TRY_COMPILE([#include <link.h>],
939 [struct link_map lm; (void) lm.l_addr;],
940 gdb_cv_have_struct_link_map_with_l_members=yes,
941 gdb_cv_have_struct_link_map_with_l_members=no)])
942 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
943 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
944 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
945 [Define if <link.h> exists and defines struct link_map which has
946 members with an ``l_'' prefix. (For Solaris, SVR4, and
947 SVR4-like systems.)])
950 dnl Check for struct link_map with lm_ members which are indicative
951 dnl of SunOS-like shared libraries
953 AC_MSG_CHECKING(for member lm_addr in struct link_map)
954 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
955 [AC_TRY_COMPILE([#include <sys/types.h>
957 [struct link_map lm; (void) lm.lm_addr;],
958 gdb_cv_have_struct_link_map_with_lm_members=yes,
959 gdb_cv_have_struct_link_map_with_lm_members=no)])
960 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
961 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
962 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
963 [Define if <link.h> exists and defines struct link_map which has
964 members with an ``lm_'' prefix. (For SunOS.)])
967 dnl Check for struct so_map with som_ members which are found on
968 dnl some *BSD systems.
970 AC_MSG_CHECKING(for member som_addr in struct so_map)
971 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
972 [AC_TRY_COMPILE([#include <sys/types.h>
977 [struct so_map lm; (void) lm.som_addr;],
978 gdb_cv_have_struct_so_map_with_som_members=yes,
979 gdb_cv_have_struct_so_map_with_som_members=no)])
980 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
981 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
982 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
983 [Define if <link.h> exists and defines a struct so_map which has
984 members with an ``som_'' prefix. (Found on older *BSD systems.)])
987 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
988 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
990 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
991 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
992 [AC_TRY_COMPILE([#define _SYSCALL32
993 #include <sys/link.h>], [struct link_map32 l;],
994 gdb_cv_have_struct_link_map32=yes,
995 gdb_cv_have_struct_link_map32=no)])
996 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
997 if test $gdb_cv_have_struct_link_map32 = yes; then
998 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
999 [Define if <sys/link.h> has struct link_map32])
1000 AC_DEFINE(_SYSCALL32, 1,
1001 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
1005 # Check if the compiler supports the `long long' type.
1007 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
1008 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
1009 [[extern long long foo;]],
1010 [[switch (foo & 2) { case 0: return 1; }]])],
1011 gdb_cv_c_long_long=yes,
1012 gdb_cv_c_long_long=no)])
1013 if test $gdb_cv_c_long_long = yes; then
1014 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1015 [Define to 1 if the compiler supports long long.])
1018 # Check if the compiler and runtime support printing long longs.
1020 AC_CACHE_CHECK([for long long support in printf],
1021 gdb_cv_printf_has_long_long,
1022 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1025 l = (l << 16) + 0x0123;
1026 l = (l << 16) + 0x4567;
1027 l = (l << 16) + 0x89ab;
1028 l = (l << 16) + 0xcdef;
1029 sprintf (buf, "0x%016llx", l);
1030 return (strcmp ("0x0123456789abcdef", buf));]])],
1031 gdb_cv_printf_has_long_long=yes,
1032 gdb_cv_printf_has_long_long=no,
1033 gdb_cv_printf_has_long_long=no)])
1034 if test $gdb_cv_printf_has_long_long = yes; then
1035 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1036 [Define to 1 if the "%ll" format works to print long longs.])
1039 # Check if the compiler and runtime support printing decfloats.
1041 AC_CACHE_CHECK([for decfloat support in printf],
1042 gdb_cv_printf_has_decfloat,
1043 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1045 _Decimal32 d32 = 1.2345df;
1046 _Decimal64 d64 = 1.2345dd;
1047 _Decimal128 d128 = 1.2345dl;
1048 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1049 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1050 gdb_cv_printf_has_decfloat=yes,
1051 gdb_cv_printf_has_decfloat=no,
1052 gdb_cv_printf_has_decfloat=no)])
1053 if test $gdb_cv_printf_has_decfloat = yes; then
1054 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1055 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1058 # Check if the compiler supports the `long double' type. We can't use
1059 # AC_C_LONG_DOUBLE because that one does additional checks on the
1060 # constants defined in <float.h> that fail on some systems,
1061 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1063 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1064 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1065 gdb_cv_c_long_double=yes,
1066 gdb_cv_c_long_double=no)])
1067 if test $gdb_cv_c_long_double = yes; then
1068 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1069 [Define to 1 if the compiler supports long double.])
1072 # Check if the compiler and runtime support printing long doubles.
1074 AC_CACHE_CHECK([for long double support in printf],
1075 gdb_cv_printf_has_long_double,
1076 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1078 long double f = 3.141592653;
1079 sprintf (buf, "%Lg", f);
1080 return (strncmp ("3.14159", buf, 7));]])],
1081 gdb_cv_printf_has_long_double=yes,
1082 gdb_cv_printf_has_long_double=no,
1083 gdb_cv_printf_has_long_double=no)])
1084 if test $gdb_cv_printf_has_long_double = yes; then
1085 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1086 [Define to 1 if the "%Lg" format works to print long doubles.])
1089 # Check if the compiler and runtime support scanning long doubles.
1091 AC_CACHE_CHECK([for long double support in scanf],
1092 gdb_cv_scanf_has_long_double,
1093 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1094 [[#include <stdio.h>]],
1095 [[char *buf = "3.141592653";
1097 sscanf (buf, "%Lg", &f);
1098 return !(f > 3.14159 && f < 3.14160);]])],
1099 gdb_cv_scanf_has_long_double=yes,
1100 gdb_cv_scanf_has_long_double=no,
1101 gdb_cv_scanf_has_long_double=no)])
1102 if test $gdb_cv_scanf_has_long_double = yes; then
1103 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1104 [Define to 1 if the "%Lg" format works to scan long doubles.])
1109 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1110 SAVE_LDFLAGS=$LDFLAGS
1113 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1114 *) gdb_cv_bigtoc=-bbigtoc ;;
1117 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1118 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1119 LDFLAGS="${SAVE_LDFLAGS}"
1121 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1126 dnl For certain native configurations, we need to check whether thread
1127 dnl support can be built in or not.
1129 dnl Note that we only want this if we are both native (host == target),
1130 dnl and not doing a canadian cross build (build == host).
1132 if test ${build} = ${host} -a ${host} = ${target} ; then
1135 AC_MSG_CHECKING(for HPUX/OSF thread support)
1136 if test -f /usr/include/dce/cma_config.h ; then
1137 if test "$GCC" = "yes" ; then
1139 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
1140 [Define if you have HPUX threads])
1141 CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
1142 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
1144 AC_MSG_RESULT(no (suppressed because you are not using GCC))
1151 # See if thread_db library is around for Solaris thread debugging.
1152 # Note that we must explicitly test for version 1 of the library
1153 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1155 AC_MSG_CHECKING(for Solaris thread debugging library)
1156 if test -f /usr/lib/libthread_db.so.1 ; then
1158 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1159 [Define if using Solaris thread debugging.])
1160 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1161 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1162 AC_CHECK_LIB(dl, dlopen)
1163 if test "$GCC" = "yes" ; then
1164 # The GNU linker requires the -export-dynamic option to make
1165 # all symbols visible in the dynamic symbol table.
1166 hold_ldflags=$LDFLAGS
1167 AC_MSG_CHECKING(for the ld -export-dynamic flag)
1168 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
1169 AC_TRY_LINK(, [int i;], found=yes, found=no)
1170 LDFLAGS=$hold_ldflags
1171 AC_MSG_RESULT($found)
1172 if test $found = yes; then
1173 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
1176 # Sun randomly tweaked the prototypes in <proc_service.h>
1178 AC_MSG_CHECKING(if <proc_service.h> is old)
1179 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1181 #include <proc_service.h>
1183 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1184 ],, gdb_cv_proc_service_is_old=no,
1185 gdb_cv_proc_service_is_old=yes)
1187 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1188 if test $gdb_cv_proc_service_is_old = yes; then
1189 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1190 [Define if <proc_service.h> on solaris uses int instead of
1191 size_t, and assorted other type changes.])
1198 AC_MSG_CHECKING(for AiX thread debugging library)
1199 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1200 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1201 [#ifndef PTHDB_VERSION_3
1204 gdb_cv_have_aix_thread_debug=yes,
1205 gdb_cv_have_aix_thread_debug=no)])
1206 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1207 if test $gdb_cv_have_aix_thread_debug = yes; then
1208 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1209 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1210 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1214 AC_SUBST(CONFIG_LDFLAGS)
1217 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1218 dnl other error codes.
1219 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1220 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1221 gdb_cv_thread_db_h_has_td_notalloc,
1223 [#include <thread_db.h>],
1224 [int i = TD_NOTALLOC;],
1225 gdb_cv_thread_db_h_has_td_notalloc=yes,
1226 gdb_cv_thread_db_h_has_td_notalloc=no
1229 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1230 gdb_cv_thread_db_h_has_td_version,
1232 [#include <thread_db.h>],
1233 [int i = TD_VERSION;],
1234 gdb_cv_thread_db_h_has_td_version=yes,
1235 gdb_cv_thread_db_h_has_td_version=no
1238 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1239 gdb_cv_thread_db_h_has_td_notls,
1241 [#include <thread_db.h>],
1242 [int i = TD_NOTLS;],
1243 gdb_cv_thread_db_h_has_td_notls=yes,
1244 gdb_cv_thread_db_h_has_td_notls=no
1248 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1249 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1250 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1252 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1253 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1254 [Define if <thread_db.h> has the TD_VERSION error code.])
1256 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1257 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1258 [Define if <thread_db.h> has the TD_NOTLS error code.])
1261 dnl See if we have a sys/syscall header file that has __NR_tkill.
1262 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1263 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1264 gdb_cv_sys_syscall_h_has_tkill,
1266 [#include <sys/syscall.h>],
1267 [int i = __NR_tkill;],
1268 gdb_cv_sys_syscall_h_has_tkill=yes,
1269 gdb_cv_sys_syscall_h_has_tkill=no
1273 dnl See if we can issue tkill syscall.
1274 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1275 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1278 dnl Check if we can disable the virtual address space randomization.
1279 dnl The functionality of setarch -R.
1280 AC_CHECK_DECLS([ADDR_NO_RANDOMIZE],,, [#include <sys/personality.h>])
1281 define([PERSONALITY_TEST], [AC_LANG_PROGRAM([#include <sys/personality.h>], [
1282 # if !HAVE_DECL_ADDR_NO_RANDOMIZE
1283 # define ADDR_NO_RANDOMIZE 0x0040000
1285 /* Test the flag could be set and stays set. */
1286 personality (personality (0xffffffff) | ADDR_NO_RANDOMIZE);
1287 if (!(personality (personality (0xffffffff)) & ADDR_NO_RANDOMIZE))
1289 AC_RUN_IFELSE([PERSONALITY_TEST],
1290 [have_personality=true],
1291 [have_personality=false],
1292 [AC_LINK_IFELSE([PERSONALITY_TEST],
1293 [have_personality=true],
1294 [have_personality=false])])
1295 if $have_personality
1297 AC_DEFINE([HAVE_PERSONALITY], 1,
1298 [Define if you support the personality syscall.])
1301 dnl Handle optional features that can be enabled.
1303 AC_ARG_WITH(sysroot,
1304 [ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
1306 case ${with_sysroot} in
1307 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1308 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1311 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1313 if test "x$prefix" = xNONE; then
1314 test_prefix=/usr/local
1318 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1319 test_exec_prefix=$test_prefix
1321 test_exec_prefix=$exec_prefix
1323 case ${TARGET_SYSTEM_ROOT} in
1324 "${test_prefix}"|"${test_prefix}/"*|\
1325 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1326 '${prefix}'|'${prefix}/'*|\
1327 '${exec_prefix}'|'${exec_prefix}/'*)
1328 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
1329 TARGET_SYSTEM_ROOT_DEFINE="$t"
1334 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1336 AC_SUBST(TARGET_SYSTEM_ROOT)
1337 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1339 AC_ARG_ENABLE(werror,
1340 [ --enable-werror treat compile warnings as errors],
1341 [case "${enableval}" in
1342 yes | y) ERROR_ON_WARNING="yes" ;;
1343 no | n) ERROR_ON_WARNING="no" ;;
1344 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1347 # Enable -Werror by default when using gcc
1348 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1349 ERROR_ON_WARNING=yes
1353 if test "${ERROR_ON_WARNING}" = yes ; then
1354 WERROR_CFLAGS="-Werror"
1357 # The entries after -Wno-pointer-sign are disabled warnings which may
1358 # be enabled in the future, which can not currently be used to build
1360 # NOTE: If you change this list, remember to update
1361 # gdb/doc/gdbint.texinfo.
1362 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1363 -Wformat-nonliteral -Wno-pointer-sign \
1364 -Wno-unused -Wno-switch -Wno-char-subscripts"
1366 # Enable -Wno-format by default when using gcc on mingw since many
1367 # GCC versions complain about %I64.
1369 *-*-mingw32*) build_warnings="$build_warnings -Wno-format" ;;
1372 AC_ARG_ENABLE(build-warnings,
1373 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
1374 [case "${enableval}" in
1376 no) build_warnings="-w";;
1377 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1378 build_warnings="${build_warnings} ${t}";;
1379 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1380 build_warnings="${t} ${build_warnings}";;
1381 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1383 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1384 echo "Setting compiler warning flags = $build_warnings" 6>&1
1386 AC_ARG_ENABLE(gdb-build-warnings,
1387 [ --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],
1388 [case "${enableval}" in
1390 no) build_warnings="-w";;
1391 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1392 build_warnings="${build_warnings} ${t}";;
1393 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1394 build_warnings="${t} ${build_warnings}";;
1395 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1397 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1398 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1401 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1403 AC_MSG_CHECKING(compiler warning flags)
1404 # Separate out the -Werror flag as some files just cannot be
1405 # compiled with it enabled.
1406 for w in ${build_warnings}; do
1408 -Werr*) WERROR_CFLAGS=-Werror ;;
1409 *) # Check that GCC accepts it
1410 saved_CFLAGS="$CFLAGS"
1412 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1413 CFLAGS="$saved_CFLAGS"
1416 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1418 AC_SUBST(WARN_CFLAGS)
1419 AC_SUBST(WERROR_CFLAGS)
1421 # In the Cygwin environment, we need some additional flags.
1422 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1423 [AC_EGREP_CPP(lose, [
1424 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1426 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1429 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1430 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1432 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1433 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1434 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1436 AC_SUBST(SER_HARDWIRE)
1438 # libreadline needs libuser32.a in a cygwin environment
1440 if test x$gdb_cv_os_cygwin = xyes; then
1441 WIN32LIBS="-luser32"
1443 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1448 # The ser-tcp.c module requires sockets.
1451 AC_DEFINE(USE_WIN32API, 1,
1452 [Define if we should use the Windows API, instead of the
1453 POSIX API. On Windows, we use the Windows API when
1454 building for MinGW, but the POSIX API when building
1456 WIN32LIBS="$WIN32LIBS -lws2_32"
1461 # Add ELF support to GDB, but only if BFD includes ELF support.
1463 OLD_LDFLAGS=$LDFLAGS
1465 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1466 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1467 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1468 LIBS="-lbfd -liberty $intl $LIBS"
1469 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1471 [#include <stdlib.h>
1473 #include "elf-bfd.h"
1475 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1476 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1477 if test $gdb_cv_var_elf = yes; then
1478 CONFIG_OBS="$CONFIG_OBS elfread.o"
1479 AC_DEFINE(HAVE_ELF, 1,
1480 [Define if ELF support should be included.])
1483 LDFLAGS=$OLD_LDFLAGS
1486 # Add any host-specific objects to GDB.
1487 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1489 LIBGUI="../libgui/src/libgui.a"
1490 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1492 AC_SUBST(GUI_CFLAGS_X)
1496 AC_SUBST(WIN32LDAPP)
1499 *-*-cygwin* | *-*-mingw* )
1508 if test "${enable_gdbtk}" = "yes"; then
1510 # Gdbtk must have an absolute path to srcdir in order to run
1511 # properly when not installed.
1518 if test -z "${no_tcl}"; then
1521 # Check for in-tree tcl
1528 if test "${TCL_SRC_DIR}" = "${topdir}/tcl"; then
1532 # Find Tcl private headers
1533 if test x"${intree}" = xno; then
1534 CY_AC_TCL_PRIVATE_HEADERS
1535 TCL_INCLUDE="${TCL_INCLUDE_SPEC} ${TCL_PRIVATE_INCLUDE}"
1536 TCL_LIBRARY="${TCL_LIB_SPEC}"
1539 # If building tcl in the same src tree, private headers
1540 # are not needed, but we need to be sure to use the right
1542 TCL_INCLUDE="-I${TCL_SRC_DIR}/generic"
1543 TCL_LIBRARY="${TCL_BUILD_LIB_SPEC}"
1544 TCL_DEPS="../tcl/${configdir}${TCL_LIB_FILE}"
1546 AC_SUBST(TCL_INCLUDE)
1547 AC_SUBST(TCL_LIBRARY)
1550 # If $no_tk is nonempty, then we can't do Tk, and there is no
1551 # point to doing Tcl.
1552 if test -z "${no_tk}"; then
1556 # Check for in-tree Tk
1558 if test "${TK_SRC_DIR}" = "${topdir}/tk"; then
1562 # Find Tk private headers
1563 if test x"${intree}" = xno; then
1564 CY_AC_TK_PRIVATE_HEADERS
1565 TK_INCLUDE="${TK_INCLUDE_SPEC} ${TK_PRIVATE_INCLUDE}"
1566 TK_LIBRARY=${TK_LIB_SPEC}
1569 TK_INCLUDE="-I${TK_SRC_DIR}/generic"
1570 TK_LIBRARY="${TK_BUILD_LIB_SPEC}"
1571 TK_DEPS="../tk/${configdir}/${TK_LIB_FILE}"
1573 AC_SUBST(TK_INCLUDE)
1574 AC_SUBST(TK_LIBRARY)
1576 AC_SUBST(TK_XINCLUDES)
1578 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1580 # Include some libraries that Tcl and Tk want.
1581 TCL_LIBS='$(LIBGUI) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1582 # Yes, the ordering seems wrong here. But it isn't.
1583 # TK_LIBS is the list of libraries that need to be linked
1584 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1585 # were in LIBS then any link tests after this point would
1586 # try to include things like `$(LIBGUI)', which wouldn't work.
1587 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1589 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1590 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1591 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1592 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1593 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1594 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1595 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1597 if test x$gdb_cv_os_cygwin = xyes; then
1598 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1599 WIN32LDAPP="-Wl,--subsystem,console"
1600 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1605 AC_CONFIG_SUBDIRS(gdbtk)
1612 AC_SUBST(GDBTK_CFLAGS)
1613 AC_SUBST(GDBTK_SRC_DIR)
1617 # Check whether we should enable the TUI, but only do so if we really
1619 if test x"$enable_tui" != xno; then
1620 if test -d $srcdir/tui; then
1621 if test "$ac_cv_search_waddstr" != no; then
1622 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
1623 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
1624 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
1625 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
1626 CONFIG_ALL="${CONFIG_ALL} all-tui"
1627 CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
1628 CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
1629 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
1631 if test x"$enable_tui" = xyes; then
1632 AC_MSG_ERROR([no enhanced curses library found; disable TUI])
1634 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
1640 # Unlike the sim directory, whether a simulator is linked is controlled by
1641 # presence of a gdb_sim definition in the target configure.tgt entry.
1642 # This code just checks for a few cases where we'd like to ignore those
1643 # definitions, even when they're present in the '.mt' file. These cases
1644 # are when --disable-sim is specified, or if the simulator directory is
1645 # not part of the source tree.
1648 [ --enable-sim Link gdb with simulator],
1649 [echo "enable_sim = $enable_sim";
1650 echo "enableval = ${enableval}";
1651 case "${enableval}" in
1652 yes) ignore_sim=false ;;
1653 no) ignore_sim=true ;;
1654 *) ignore_sim=false ;;
1658 if test ! -d "${srcdir}/../sim"; then
1664 if test "${ignore_sim}" = "false"; then
1665 if test x"${gdb_sim}" != x ; then
1667 SIM_OBS="remote-sim.o"
1668 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
1674 AC_SUBST(ENABLE_CFLAGS)
1675 AC_SUBST(PROFILE_CFLAGS)
1677 AC_SUBST(CONFIG_OBS)
1678 AC_SUBST(CONFIG_DEPS)
1679 AC_SUBST(CONFIG_SRCS)
1680 AC_SUBST(CONFIG_ALL)
1681 AC_SUBST(CONFIG_CLEAN)
1682 AC_SUBST(CONFIG_INSTALL)
1683 AC_SUBST(CONFIG_UNINSTALL)
1685 # List of host floatformats.
1686 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
1687 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
1688 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
1690 # target_subdir is used by the testsuite to find the target libraries.
1692 if test "${host}" != "${target}"; then
1693 target_subdir="${target_alias}/"
1695 AC_SUBST(target_subdir)
1698 if test "${gdb_native}" = "yes"; then
1699 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1700 if test ! -f ${host_makefile_frag}; then
1701 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
1703 frags="$frags $host_makefile_frag"
1705 host_makefile_frag=/dev/null
1708 AC_SUBST_FILE(host_makefile_frag)
1712 if test "${gdb_native}" = "yes"; then
1713 # We pick this up from the host configuration file (.mh) because we
1714 # do not have a native configuration Makefile fragment.
1715 nativefile=`sed -n '
1716 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1717 ' ${host_makefile_frag}`
1721 if test x"${gdb_osabi}" != x ; then
1722 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
1723 [Define to the default OS ABI for this configuration.])
1726 # Enable multi-ice-gdb-server.
1727 AC_ARG_ENABLE(multi-ice,
1728 [ --enable-multi-ice build the multi-ice-gdb-server],
1732 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
1734 if test "x$enable_multi_ice" = xyes; then
1735 AC_CONFIG_SUBDIRS(multi-ice)
1738 # We only build gdbserver automatically in a native configuration.
1739 if test "$gdb_native" = "yes"; then
1740 AC_MSG_CHECKING(whether gdbserver is supported on this host)
1741 if test "x$build_gdbserver" = xyes; then
1743 AC_CONFIG_SUBDIRS(gdbserver)
1749 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
1750 # to an empty version.
1757 if test "${nativefile}" != ""; then
1759 case "${nativefile}" in
1760 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
1761 * ) GDB_NM_FILE="${nativefile}"
1763 files="${files} ${GDB_NM_FILE}"
1764 links="${links} nm.h"
1765 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
1769 AC_LINK_FILES($files, $links)
1771 dnl Check for exe extension set on certain hosts (e.g. Win32)
1774 dnl Detect the character set used by this host.
1776 dnl At the moment, we just assume it's ISO-8859-1 (which is a
1777 dnl superset of ASCII containing the characters needed for French,
1778 dnl German, Spanish, Italian, and possibly others), but if were
1779 dnl *were* to support any host character sets other than ISO-8859-1,
1780 dnl here's where we'd detect it.
1781 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "ISO-8859-1",
1782 [Define to be a string naming the default host character set.])
1786 AC_OUTPUT(Makefile .gdbinit:gdbinit.in gnulib/Makefile,
1788 dnl Autoconf doesn't provide a mechanism for modifying definitions
1789 dnl provided by makefile fragments.
1793 sed -e '/^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1794 mv -f Makefile.tmp Makefile
1798 case x$CONFIG_HEADERS in
1799 xconfig.h:config.in)
1804 gdb_host_cpu=$gdb_host_cpu
1805 nativefile=$nativefile