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"
66 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
69 # GDB does not use automake, but gnulib does. This line lets us
70 # generate its Makefile.in.
71 AM_INIT_AUTOMAKE(gdb, UNUSED-VERSION, [no-define])
73 debugdir=${libdir}/debug
75 AC_ARG_WITH(separate-debug-dir,
76 [ --with-separate-debug-dir=path Look for global separate debug info in this path [LIBDIR/debug]],
77 [debugdir="${withval}"])
79 AC_DEFINE_DIR(DEBUGDIR, debugdir,
80 [Global directory for separate debug files. ])
81 #AC_DEFINE_UNQUOTED(DEBUGDIR, "$debugdir"),
83 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
84 if test "x$prefix" = xNONE; then
85 test_prefix=/usr/local
90 test_prefix=$exec_prefix
93 "${test_prefix}"|"${test_prefix}/"*|\
94 '${exec_prefix}'|'${exec_prefix}/'*)
95 AC_DEFINE(DEBUGDIR_RELOCATABLE, 1, [Define if the debug directory should be relocated when GDB is moved.])
99 AC_CONFIG_SUBDIRS(doc testsuite)
101 # Check whether to support alternative target configurations
102 AC_ARG_ENABLE(targets,
103 [ --enable-targets alternative target configurations],
104 [case "${enableval}" in
105 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
107 no) enable_targets= ;;
108 *) enable_targets=$enableval ;;
111 # Check whether to enable 64-bit support on 32-bit hosts
112 AC_ARG_ENABLE(64-bit-bfd,
113 [ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)],
114 [case "${enableval}" in
117 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
118 esac],[want64=false])dnl
120 # Provide defaults for some variables set by the per-host and per-target
122 gdb_host_obs=posix-hdep.o
124 if test "${target}" = "${host}"; then
130 . $srcdir/configure.host
132 # Accumulate some settings from configure.tgt over all enabled targets
137 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
139 if test "$targ_alias" = "all"; then
142 # Canonicalize the secondary target names.
143 result=`$ac_config_sub $targ_alias 2>/dev/null`
144 if test -n "$result"; then
150 . ${srcdir}/configure.tgt
152 # Target-specific object files
153 for i in ${gdb_target_obs}; do
154 case " $TARGET_OBS " in
157 TARGET_OBS="$TARGET_OBS ${i}"
162 # Check whether this target needs 64-bit CORE_ADDR
163 if test x${want64} = xfalse; then
164 . ${srcdir}/../bfd/config.bfd
169 if test x${all_targets} = xtrue; then
171 # We want all 64-bit targets if we either:
172 # - run on a 64-bit host or
173 # - already require 64-bit support for some other target or
174 # - the --enable-64-bit-bfd option was supplied
175 # Otherwise we only support all 32-bit targets.
177 # NOTE: This test must be in sync with the corresponding
180 if test x${want64} = xfalse; then
181 AC_CHECK_SIZEOF(long)
182 if test "x${ac_cv_sizeof_long}" = "x8"; then
186 if test x${want64} = xtrue; then
187 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
189 TARGET_OBS='$(ALL_TARGET_OBS)'
195 # For other settings, only the main target counts.
199 targ=$target; . ${srcdir}/configure.tgt
201 # Fetch the default architecture and default target vector from BFD.
202 targ=$target; . $srcdir/../bfd/config.bfd
204 # We only want the first architecture, so strip off the others if
205 # there is more than one.
206 targ_archs=`echo $targ_archs | sed 's/ .*//'`
208 if test "x$targ_archs" != x; then
209 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
210 [Define to BFD's default architecture. ])
212 if test "x$targ_defvec" != x; then
213 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
214 [Define to BFD's default target vector. ])
217 # The CLI cannot be disabled yet, but may be in the future.
220 AC_ARG_ENABLE(gdbcli,
221 [ --disable-gdbcli disable command-line interface (CLI)],
226 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
228 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
231 if test x"$enable_gdbcli" = xyes; then
232 if test -d $srcdir/cli; then
233 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
234 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
235 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
236 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
242 [ --disable-gdbmi disable machine-interface (MI)],
247 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
250 if test x"$enable_gdbmi" = xyes; then
251 if test -d $srcdir/mi; then
252 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
253 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
254 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
255 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
261 [ --enable-tui enable full-screen terminal user interface (TUI)],
266 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
267 esac],enable_tui=yes)
271 [ --enable-gdbtk enable gdbtk graphical user interface (GUI)],
276 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
278 [if test -d $srcdir/gdbtk -a -d $srcdir/../itcl; then
283 # We unconditionally disable gdbtk tests on selected platforms.
286 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
291 AC_ARG_WITH(libunwind,
292 [ --with-libunwind Use libunwind frame unwinding support],
293 [case "${withval}" in
294 yes) enable_libunwind=yes ;;
295 no) enable_libunwind=no ;;
296 *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
298 AC_CHECK_HEADERS(libunwind.h)
299 AC_CHECK_HEADERS(libunwind-ia64.h)
300 if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
301 enable_libunwind=yes;
305 if test x"$enable_libunwind" = xyes; then
306 AC_CHECK_HEADERS(libunwind.h)
307 AC_CHECK_HEADERS(libunwind-ia64.h)
308 AC_DEFINE(HAVE_LIBUNWIND, 1, [Define if libunwind library is being used.])
309 CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
310 CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
311 CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
315 AC_ARG_ENABLE(profiling,
316 [ --enable-profiling enable profiling of GDB],
321 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
323 [enable_profiling=no])
325 AC_CHECK_FUNCS(monstartup _mcleanup)
326 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
331 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
332 if test $ac_cv_var__etext = yes; then
333 AC_DEFINE(HAVE__ETEXT, 1,
334 [Define to 1 if your system has the _etext variable. ])
336 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
341 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
342 if test $ac_cv_var_etext = yes; then
343 AC_DEFINE(HAVE_ETEXT, 1,
344 [Define to 1 if your system has the etext variable. ])
346 if test "$enable_profiling" = yes ; then
347 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
348 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
352 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
354 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
355 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
356 ac_cv_cc_supports_pg=no)])
358 if test $ac_cv_cc_supports_pg = no; then
359 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
365 # --------------------- #
366 # Checks for programs. #
367 # --------------------- #
375 AC_CHECK_TOOL(AR, ar)
376 AC_CHECK_TOOL(DLLTOOL, dlltool)
377 AC_CHECK_TOOL(WINDRES, windres)
379 # Needed for GNU/Hurd.
380 AC_CHECK_TOOL(MIG, mig)
382 # ---------------------- #
383 # Checks for libraries. #
384 # ---------------------- #
386 # We might need to link with -lm; most simulators need it.
387 AC_CHECK_LIB(m, main)
389 # We need to link with -lw to get `wctype' on Solaris before Solaris
390 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
391 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
392 # is known to have this problem). Therefore we avoid libw if we can.
393 AC_CHECK_FUNC(wctype, [],
394 [AC_CHECK_LIB(w, wctype)])
396 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
397 AC_SEARCH_LIBS(gethostbyname, nsl)
399 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
400 AC_SEARCH_LIBS(socketpair, socket)
402 # Link in zlib if we can. This allows us to read compressed debug sections.
403 AC_SEARCH_LIBS(zlibVersion, z, [AC_CHECK_HEADERS(zlib.h)])
405 # For the TUI, we need enhanced curses functionality.
407 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
408 # curses library because the latter might not provide all the
409 # functionality we need. However, this leads to problems on systems
410 # where the linker searches /usr/local/lib, but the compiler doesn't
411 # search /usr/local/include, if ncurses is installed in /usr/local. A
412 # default installation of ncurses on alpha*-dec-osf* will lead to such
414 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
416 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
417 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
419 # Since GDB uses Readline, we need termcap functionality. In many
420 # cases this will be provided by the curses library, but some systems
421 # have a seperate termcap library, or no curses library at all.
425 if test -d $srcdir/libtermcap; then
426 LIBS="../libtermcap/libtermcap.a $LIBS"
427 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
430 ac_cv_search_tgetent="none required"
433 ac_cv_search_tgetent="none required"
434 CONFIG_OBS="$CONFIG_OBS win32-termcap.o"
438 # These are the libraries checked by Readline.
439 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
441 if test "$ac_cv_search_tgetent" = no; then
442 AC_MSG_ERROR([no termcap library found])
445 AC_ARG_WITH([system-readline],
446 [AS_HELP_STRING([--with-system-readline],
447 [use installed readline library])])
449 if test "$with_system_readline" = yes; then
454 READLINE='$(READLINE_DIR)/libreadline.a'
455 READLINE_DEPS='$(READLINE)'
456 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
459 AC_SUBST(READLINE_DEPS)
460 AC_SUBST(READLINE_CFLAGS)
463 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
464 [], [with_expat=auto])
465 AC_MSG_CHECKING([whether to use expat])
466 AC_MSG_RESULT([$with_expat])
468 if test "${with_expat}" = no; then
469 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
472 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
473 [XML_Parser p = XML_ParserCreate (0);])
474 if test "$HAVE_LIBEXPAT" != yes; then
475 if test "$with_expat" = yes; then
476 AC_MSG_ERROR([expat is missing or unusable])
478 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
482 LIBS="$LIBS $LIBEXPAT"
483 AC_CHECK_FUNCS(XML_StopParser)
488 # ------------------------- #
489 # Checks for header files. #
490 # ------------------------- #
495 AC_CHECK_HEADERS(nlist.h)
496 AC_CHECK_HEADERS(link.h, [], [],
497 [#if HAVE_SYS_TYPES_H
498 # include <sys/types.h>
504 AC_CHECK_HEADERS(machine/reg.h)
505 AC_CHECK_HEADERS(poll.h sys/poll.h)
506 AC_CHECK_HEADERS(proc_service.h thread_db.h gnu/libc-version.h)
507 AC_CHECK_HEADERS(signal.h)
508 AC_CHECK_HEADERS(stddef.h)
509 AC_CHECK_HEADERS(stdlib.h)
510 AC_CHECK_HEADERS(stdint.h)
511 AC_CHECK_HEADERS(string.h memory.h strings.h)
512 AC_CHECK_HEADERS(sys/fault.h)
513 AC_CHECK_HEADERS(sys/file.h)
514 AC_CHECK_HEADERS(sys/filio.h)
515 AC_CHECK_HEADERS(sys/ioctl.h)
516 AC_CHECK_HEADERS(sys/param.h)
517 AC_CHECK_HEADERS(sys/resource.h)
518 AC_CHECK_HEADERS(sys/proc.h, [], [],
519 [#if HAVE_SYS_PARAM_H
520 # include <sys/param.h>
523 AC_CHECK_HEADERS(sys/procfs.h)
524 AC_CHECK_HEADERS(sys/ptrace.h ptrace.h)
525 AC_CHECK_HEADERS(sys/reg.h sys/debugreg.h)
526 AC_CHECK_HEADERS(sys/select.h)
527 AC_CHECK_HEADERS(sys/syscall.h)
528 AC_CHECK_HEADERS(sys/types.h)
529 AC_CHECK_HEADERS(sys/user.h, [], [],
530 [#if HAVE_SYS_PARAM_H
531 # include <sys/param.h>
534 AC_CHECK_HEADERS(sys/wait.h wait.h)
535 AC_CHECK_HEADERS(termios.h termio.h sgtty.h)
536 AC_CHECK_HEADERS(unistd.h)
538 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
539 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
540 # think that we don't have <curses.h> if we're using GCC.
543 if test "$GCC" = yes; then
544 AC_DEFINE(_MSE_INT_H, 1,
545 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
546 Solaris 2.[789] when using GCC. ])
549 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h)
550 AC_CHECK_HEADERS(ncurses/term.h)
551 AC_CHECK_HEADERS(term.h, [], [],
557 # Check for HP/UX 64-bit shared library support
558 AC_CHECK_HEADERS(elf_hp.h)
560 # FIXME: kettenis/20030102: In most cases we include these
561 # unconditionally, so what's the point in checking these?
562 AC_CHECK_HEADERS(ctype.h time.h)
564 # Create a header we can use portably to get the standard integer types.
565 GCC_HEADER_STDINT(gdb_stdint.h)
567 # ------------------------- #
568 # Checks for declarations. #
569 # ------------------------- #
571 AC_CHECK_DECLS([free, malloc, realloc])
572 AC_CHECK_DECLS([strerror, strstr])
573 AC_CHECK_DECLS([getopt, snprintf, vsnprintf])
575 # ----------------------- #
576 # Checks for structures. #
577 # ----------------------- #
579 AC_CHECK_MEMBERS([struct stat.st_blocks])
580 AC_CHECK_MEMBERS([struct stat.st_blksize])
582 # ------------------ #
583 # Checks for types. #
584 # ------------------ #
587 AC_CHECK_TYPES(socklen_t, [], [],
588 [#include <sys/types.h>
589 #include <sys/socket.h>
591 AC_CHECK_TYPES(uintptr_t, [], [], [#include <stdint.h>])
593 # ------------------------------------- #
594 # Checks for compiler characteristics. #
595 # ------------------------------------- #
601 # ------------------------------ #
602 # Checks for library functions. #
603 # ------------------------------ #
608 AC_CHECK_FUNCS(canonicalize_file_name realpath)
609 AC_CHECK_FUNCS(getrusage)
610 AC_CHECK_FUNCS(getuid getgid)
612 AC_CHECK_FUNCS(pread64)
614 AC_CHECK_FUNCS(setpgid setpgrp setsid)
615 AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask)
616 AC_CHECK_FUNCS(socketpair)
617 AC_CHECK_FUNCS(syscall)
618 AC_CHECK_FUNCS(ttrace)
619 AC_CHECK_FUNCS(wborder)
621 # Check the return and argument types of ptrace. No canned test for
622 # this, so roll our own.
625 # include <sys/types.h>
627 #if HAVE_SYS_PTRACE_H
628 # include <sys/ptrace.h>
634 # There is no point in checking if we don't have a prototype.
635 AC_CHECK_DECLS(ptrace, [], [
636 : ${gdb_cv_func_ptrace_ret='int'}
637 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
638 ], $gdb_ptrace_headers)
640 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
641 AC_TRY_COMPILE($gdb_ptrace_headers,
642 [extern int ptrace ();],
643 gdb_cv_func_ptrace_ret='int',
644 gdb_cv_func_ptrace_ret='long'))
645 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
646 [Define as the return type of ptrace.])
647 # Check argument types.
648 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
649 for gdb_arg1 in 'int' 'long'; do
650 for gdb_arg2 in 'pid_t' 'int' 'long'; do
651 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
652 for gdb_arg4 in 'int' 'long'; do
653 AC_TRY_COMPILE($gdb_ptrace_headers, [
654 extern $gdb_cv_func_ptrace_ret
655 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
656 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
658 for gdb_arg5 in 'int *' 'int' 'long'; do
659 AC_TRY_COMPILE($gdb_ptrace_headers, [
660 extern $gdb_cv_func_ptrace_ret
661 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
663 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
670 # Provide a safe default value.
671 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
673 ac_save_IFS=$IFS; IFS=','
674 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
677 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
678 [Define to the type of arg 3 for ptrace.])
679 if test -n "$[5]"; then
680 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
681 [Define to the type of arg 5 for ptrace.])
684 dnl AC_FUNC_SETPGRP does not work when cross compiling
685 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
686 if test "$cross_compiling" = no; then
689 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
693 if (setpgrp(1,1) == -1)
697 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
698 if test $ac_cv_func_setpgrp_void = yes; then
699 AC_DEFINE(SETPGRP_VOID, 1)
703 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
704 # since sigsetjmp might only be defined as a macro.
705 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
708 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
709 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
710 if test $gdb_cv_func_sigsetjmp = yes; then
711 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
714 # Assume we'll default to using the included libiberty regex.
715 gdb_use_included_regex=yes
717 # However, if the system regex is GNU regex, then default to *not*
718 # using the included regex.
721 [gdb_cv_have_gnu_regex],
723 [#include <gnu-versions.h>],
724 [#define REGEX_INTERFACE_VERSION 1
725 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
726 # error "Version mismatch"
728 gdb_cv_have_gnu_regex=yes,
729 gdb_cv_have_gnu_regex=no)])
730 if test $gdb_cv_have_gnu_regex = yes; then
731 gdb_use_included_regex=no
734 AC_ARG_WITH(included-regex,
735 [ --without-included-regex don't use included regex; this is the default
736 on systems with version 2 of the GNU C library
737 (use with caution on other system)],
738 gdb_with_regex=$withval,
739 gdb_with_regex=$gdb_use_included_regex)
740 if test "$gdb_with_regex" = yes; then
741 AC_DEFINE(USE_INCLUDED_REGEX, 1,
742 [Define to 1 if the regex included in libiberty should be used.])
745 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
746 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
747 [#include <sys/param.h>
748 #include <sys/proc.h>
751 # See if <sys/lwp.h> defines `struct lwp`.
752 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
753 [AC_TRY_COMPILE([#include <sys/param.h>
754 #include <sys/lwp.h>], [struct lwp l;],
755 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
756 if test $gdb_cv_struct_lwp = yes; then
757 AC_DEFINE(HAVE_STRUCT_LWP, 1,
758 [Define to 1 if your system has struct lwp.])
761 # See if <machine/reg.h> degines `struct reg'.
762 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
763 [AC_TRY_COMPILE([#include <sys/types.h>
764 #include <machine/reg.h>], [struct reg r;],
765 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
766 if test $gdb_cv_struct_reg = yes; then
767 AC_DEFINE(HAVE_STRUCT_REG, 1,
768 [Define to 1 if your system has struct reg in <machine/reg.h>.])
771 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
772 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
773 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
774 [#include <machine/reg.h>])
776 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
777 AC_MSG_CHECKING(for PTRACE_GETREGS)
778 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
779 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
781 [gdb_cv_have_ptrace_getregs=yes],
782 [gdb_cv_have_ptrace_getregs=no])])
783 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
784 if test $gdb_cv_have_ptrace_getregs = yes; then
785 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
786 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
789 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
790 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
791 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
792 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
793 [PTRACE_GETFPXREGS;],
794 [gdb_cv_have_ptrace_getfpxregs=yes],
795 [gdb_cv_have_ptrace_getfpxregs=no])])
796 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
797 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
798 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
799 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
802 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
803 AC_MSG_CHECKING(for PT_GETDBREGS)
804 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
805 [AC_TRY_COMPILE([#include <sys/types.h>
806 #include <sys/ptrace.h>],
808 [gdb_cv_have_pt_getdbregs=yes],
809 [gdb_cv_have_pt_getdbregs=no])])
810 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
811 if test $gdb_cv_have_pt_getdbregs = yes; then
812 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
813 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
816 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
817 AC_MSG_CHECKING(for PT_GETXMMREGS)
818 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
819 [AC_TRY_COMPILE([#include <sys/types.h>
820 #include <sys/ptrace.h>],
822 [gdb_cv_have_pt_getxmmregs=yes],
823 [gdb_cv_have_pt_getxmmregs=no])])
824 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
825 if test $gdb_cv_have_pt_getxmmregs = yes; then
826 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
827 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
830 # Detect which type of /proc is in use, such as for Unixware or Solaris.
832 if test "${target}" = "${host}"; then
834 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
835 AC_DEFINE(NEW_PROC_API, 1,
836 [Define if you want to use new multi-fd /proc interface
837 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
839 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
840 AC_DEFINE(NEW_PROC_API, 1,
841 [Define if you want to use new multi-fd /proc interface
842 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
845 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
846 AC_DEFINE([_KMEMUSER], 1,
847 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
848 around a <sys/proc.h> problem on IRIX 5.])
853 if test "$ac_cv_header_sys_procfs_h" = yes; then
854 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
855 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
856 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
857 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
858 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
859 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
860 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
861 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
862 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
863 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
864 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
865 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
866 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
867 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
870 dnl Check for broken prfpregset_t type
872 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
873 dnl prfpregset_t type (it's a typedef for the pointer to a struct
874 dnl instead of the struct itself). We detect this here, and work
875 dnl around it in gdb_proc_service.h.
877 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
878 AC_MSG_CHECKING(whether prfpregset_t type is broken)
879 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
880 [AC_TRY_RUN([#include <sys/procfs.h>
883 if (sizeof (prfpregset_t) == sizeof (void *))
887 gdb_cv_prfpregset_t_broken=no,
888 gdb_cv_prfpregset_t_broken=yes,
889 gdb_cv_prfpregset_t_broken=yes)])
890 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
891 if test $gdb_cv_prfpregset_t_broken = yes; then
892 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
893 [Define if the prfpregset_t type is broken.])
897 dnl Check for PIOCSET ioctl entry
899 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
900 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
901 [AC_TRY_COMPILE([#include <unistd.h>
902 #include <sys/types.h>
903 #include <sys/procfs.h>
906 dummy = ioctl(0, PIOCSET, &dummy);
908 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
909 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
910 if test $gdb_cv_have_procfs_piocset = yes; then
911 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
912 [Define if ioctl argument PIOCSET is available.])
916 dnl For native ports (host == target), check to see what kind of
917 dnl legacy link.h support is needed. (See solib-legacy.c.)
918 if test ${host} = ${target} ; then
919 dnl Check for struct link_map with l_ members which are indicative
920 dnl of SVR4-like shared libraries
922 AC_MSG_CHECKING(for member l_addr in struct link_map)
923 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
924 [AC_TRY_COMPILE([#include <link.h>],
925 [struct link_map lm; (void) lm.l_addr;],
926 gdb_cv_have_struct_link_map_with_l_members=yes,
927 gdb_cv_have_struct_link_map_with_l_members=no)])
928 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
929 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
930 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
931 [Define if <link.h> exists and defines struct link_map which has
932 members with an ``l_'' prefix. (For Solaris, SVR4, and
933 SVR4-like systems.)])
936 dnl Check for struct link_map with lm_ members which are indicative
937 dnl of SunOS-like shared libraries
939 AC_MSG_CHECKING(for member lm_addr in struct link_map)
940 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
941 [AC_TRY_COMPILE([#include <sys/types.h>
943 [struct link_map lm; (void) lm.lm_addr;],
944 gdb_cv_have_struct_link_map_with_lm_members=yes,
945 gdb_cv_have_struct_link_map_with_lm_members=no)])
946 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
947 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
948 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
949 [Define if <link.h> exists and defines struct link_map which has
950 members with an ``lm_'' prefix. (For SunOS.)])
953 dnl Check for struct so_map with som_ members which are found on
954 dnl some *BSD systems.
956 AC_MSG_CHECKING(for member som_addr in struct so_map)
957 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
958 [AC_TRY_COMPILE([#include <sys/types.h>
963 [struct so_map lm; (void) lm.som_addr;],
964 gdb_cv_have_struct_so_map_with_som_members=yes,
965 gdb_cv_have_struct_so_map_with_som_members=no)])
966 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
967 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
968 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
969 [Define if <link.h> exists and defines a struct so_map which has
970 members with an ``som_'' prefix. (Found on older *BSD systems.)])
973 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
974 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
976 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
977 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
978 [AC_TRY_COMPILE([#define _SYSCALL32
979 #include <sys/link.h>], [struct link_map32 l;],
980 gdb_cv_have_struct_link_map32=yes,
981 gdb_cv_have_struct_link_map32=no)])
982 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
983 if test $gdb_cv_have_struct_link_map32 = yes; then
984 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
985 [Define if <sys/link.h> has struct link_map32])
986 AC_DEFINE(_SYSCALL32, 1,
987 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
991 # Check if the compiler supports the `long long' type.
993 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
994 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
995 [[extern long long foo;]],
996 [[switch (foo & 2) { case 0: return 1; }]])],
997 gdb_cv_c_long_long=yes,
998 gdb_cv_c_long_long=no)])
999 if test $gdb_cv_c_long_long = yes; then
1000 AC_DEFINE(CC_HAS_LONG_LONG, 1,
1001 [Define to 1 if the compiler supports long long.])
1004 # Check if the compiler and runtime support printing long longs.
1006 AC_CACHE_CHECK([for long long support in printf],
1007 gdb_cv_printf_has_long_long,
1008 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1011 l = (l << 16) + 0x0123;
1012 l = (l << 16) + 0x4567;
1013 l = (l << 16) + 0x89ab;
1014 l = (l << 16) + 0xcdef;
1015 sprintf (buf, "0x%016llx", l);
1016 return (strcmp ("0x0123456789abcdef", buf));]])],
1017 gdb_cv_printf_has_long_long=yes,
1018 gdb_cv_printf_has_long_long=no,
1019 gdb_cv_printf_has_long_long=no)])
1020 if test $gdb_cv_printf_has_long_long = yes; then
1021 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1022 [Define to 1 if the "%ll" format works to print long longs.])
1025 # Check if the compiler and runtime support printing decfloats.
1027 AC_CACHE_CHECK([for decfloat support in printf],
1028 gdb_cv_printf_has_decfloat,
1029 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1031 _Decimal32 d32 = 1.2345df;
1032 _Decimal64 d64 = 1.2345dd;
1033 _Decimal128 d128 = 1.2345dl;
1034 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1035 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1036 gdb_cv_printf_has_decfloat=yes,
1037 gdb_cv_printf_has_decfloat=no,
1038 gdb_cv_printf_has_decfloat=no)])
1039 if test $gdb_cv_printf_has_decfloat = yes; then
1040 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1041 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1044 # Check if the compiler supports the `long double' type. We can't use
1045 # AC_C_LONG_DOUBLE because that one does additional checks on the
1046 # constants defined in <float.h> that fail on some systems,
1047 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1049 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1050 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1051 gdb_cv_c_long_double=yes,
1052 gdb_cv_c_long_double=no)])
1053 if test $gdb_cv_c_long_double = yes; then
1054 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1055 [Define to 1 if the compiler supports long double.])
1058 # Check if the compiler and runtime support printing long doubles.
1060 AC_CACHE_CHECK([for long double support in printf],
1061 gdb_cv_printf_has_long_double,
1062 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1064 long double f = 3.141592653;
1065 sprintf (buf, "%Lg", f);
1066 return (strncmp ("3.14159", buf, 7));]])],
1067 gdb_cv_printf_has_long_double=yes,
1068 gdb_cv_printf_has_long_double=no,
1069 gdb_cv_printf_has_long_double=no)])
1070 if test $gdb_cv_printf_has_long_double = yes; then
1071 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1072 [Define to 1 if the "%Lg" format works to print long doubles.])
1075 # Check if the compiler and runtime support scanning long doubles.
1077 AC_CACHE_CHECK([for long double support in scanf],
1078 gdb_cv_scanf_has_long_double,
1079 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1080 [[#include <stdio.h>]],
1081 [[char *buf = "3.141592653";
1083 sscanf (buf, "%Lg", &f);
1084 return !(f > 3.14159 && f < 3.14160);]])],
1085 gdb_cv_scanf_has_long_double=yes,
1086 gdb_cv_scanf_has_long_double=no,
1087 gdb_cv_scanf_has_long_double=no)])
1088 if test $gdb_cv_scanf_has_long_double = yes; then
1089 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1090 [Define to 1 if the "%Lg" format works to scan long doubles.])
1095 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1096 SAVE_LDFLAGS=$LDFLAGS
1099 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1100 *) gdb_cv_bigtoc=-bbigtoc ;;
1103 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1104 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1105 LDFLAGS="${SAVE_LDFLAGS}"
1107 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1112 dnl For certain native configurations, we need to check whether thread
1113 dnl support can be built in or not.
1115 dnl Note that we only want this if we are both native (host == target),
1116 dnl and not doing a canadian cross build (build == host).
1118 if test ${build} = ${host} -a ${host} = ${target} ; then
1121 AC_MSG_CHECKING(for HPUX/OSF thread support)
1122 if test -f /usr/include/dce/cma_config.h ; then
1123 if test "$GCC" = "yes" ; then
1125 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
1126 [Define if you have HPUX threads])
1127 CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
1128 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
1130 AC_MSG_RESULT(no (suppressed because you are not using GCC))
1137 # See if thread_db library is around for Solaris thread debugging.
1138 # Note that we must explicitly test for version 1 of the library
1139 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1141 AC_MSG_CHECKING(for Solaris thread debugging library)
1142 if test -f /usr/lib/libthread_db.so.1 ; then
1144 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1145 [Define if using Solaris thread debugging.])
1146 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1147 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1148 AC_CHECK_LIB(dl, dlopen)
1149 if test "$GCC" = "yes" ; then
1150 # The GNU linker requires the -export-dynamic option to make
1151 # all symbols visible in the dynamic symbol table.
1152 hold_ldflags=$LDFLAGS
1153 AC_MSG_CHECKING(for the ld -export-dynamic flag)
1154 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
1155 AC_TRY_LINK(, [int i;], found=yes, found=no)
1156 LDFLAGS=$hold_ldflags
1157 AC_MSG_RESULT($found)
1158 if test $found = yes; then
1159 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
1162 # Sun randomly tweaked the prototypes in <proc_service.h>
1164 AC_MSG_CHECKING(if <proc_service.h> is old)
1165 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1167 #include <proc_service.h>
1169 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1170 ],, gdb_cv_proc_service_is_old=no,
1171 gdb_cv_proc_service_is_old=yes)
1173 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1174 if test $gdb_cv_proc_service_is_old = yes; then
1175 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1176 [Define if <proc_service.h> on solaris uses int instead of
1177 size_t, and assorted other type changes.])
1184 AC_MSG_CHECKING(for AiX thread debugging library)
1185 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1186 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1187 [#ifndef PTHDB_VERSION_3
1190 gdb_cv_have_aix_thread_debug=yes,
1191 gdb_cv_have_aix_thread_debug=no)])
1192 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1193 if test $gdb_cv_have_aix_thread_debug = yes; then
1194 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1195 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1196 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1200 AC_SUBST(CONFIG_LDFLAGS)
1203 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1204 dnl other error codes.
1205 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1206 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1207 gdb_cv_thread_db_h_has_td_notalloc,
1209 [#include <thread_db.h>],
1210 [int i = TD_NOTALLOC;],
1211 gdb_cv_thread_db_h_has_td_notalloc=yes,
1212 gdb_cv_thread_db_h_has_td_notalloc=no
1215 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1216 gdb_cv_thread_db_h_has_td_version,
1218 [#include <thread_db.h>],
1219 [int i = TD_VERSION;],
1220 gdb_cv_thread_db_h_has_td_version=yes,
1221 gdb_cv_thread_db_h_has_td_version=no
1224 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1225 gdb_cv_thread_db_h_has_td_notls,
1227 [#include <thread_db.h>],
1228 [int i = TD_NOTLS;],
1229 gdb_cv_thread_db_h_has_td_notls=yes,
1230 gdb_cv_thread_db_h_has_td_notls=no
1234 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1235 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1236 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1238 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1239 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1240 [Define if <thread_db.h> has the TD_VERSION error code.])
1242 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1243 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1244 [Define if <thread_db.h> has the TD_NOTLS error code.])
1247 dnl See if we have a sys/syscall header file that has __NR_tkill.
1248 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1249 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1250 gdb_cv_sys_syscall_h_has_tkill,
1252 [#include <sys/syscall.h>],
1253 [int i = __NR_tkill;],
1254 gdb_cv_sys_syscall_h_has_tkill=yes,
1255 gdb_cv_sys_syscall_h_has_tkill=no
1259 dnl See if we can issue tkill syscall.
1260 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1261 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1264 dnl Handle optional features that can be enabled.
1266 AC_ARG_WITH(sysroot,
1267 [ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
1269 case ${with_sysroot} in
1270 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1271 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1274 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1276 if test "x$prefix" = xNONE; then
1277 test_prefix=/usr/local
1281 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1282 test_exec_prefix=$test_prefix
1284 test_exec_prefix=$exec_prefix
1286 case ${TARGET_SYSTEM_ROOT} in
1287 "${test_prefix}"|"${test_prefix}/"*|\
1288 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1289 '${prefix}'|'${prefix}/'*|\
1290 '${exec_prefix}'|'${exec_prefix}/'*)
1291 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
1292 TARGET_SYSTEM_ROOT_DEFINE="$t"
1297 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1299 AC_SUBST(TARGET_SYSTEM_ROOT)
1300 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1302 AC_ARG_ENABLE(werror,
1303 [ --enable-werror treat compile warnings as errors],
1304 [case "${enableval}" in
1305 yes | y) ERROR_ON_WARNING="yes" ;;
1306 no | n) ERROR_ON_WARNING="no" ;;
1307 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1310 # Enable -Werror by default when using gcc
1311 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1312 ERROR_ON_WARNING=yes
1316 if test "${ERROR_ON_WARNING}" = yes ; then
1317 WERROR_CFLAGS="-Werror"
1320 # The entries after -Wno-pointer-sign are disabled warnings which may
1321 # be enabled in the future, which can not currently be used to build
1323 # NOTE: If you change this list, remember to update
1324 # gdb/doc/gdbint.texinfo.
1325 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1326 -Wformat-nonliteral -Wno-pointer-sign \
1327 -Wno-unused -Wno-switch -Wno-char-subscripts"
1329 AC_ARG_ENABLE(build-warnings,
1330 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
1331 [case "${enableval}" in
1333 no) build_warnings="-w";;
1334 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1335 build_warnings="${build_warnings} ${t}";;
1336 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1337 build_warnings="${t} ${build_warnings}";;
1338 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1340 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1341 echo "Setting compiler warning flags = $build_warnings" 6>&1
1343 AC_ARG_ENABLE(gdb-build-warnings,
1344 [ --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],
1345 [case "${enableval}" in
1347 no) build_warnings="-w";;
1348 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1349 build_warnings="${build_warnings} ${t}";;
1350 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1351 build_warnings="${t} ${build_warnings}";;
1352 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1354 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1355 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1358 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1360 AC_MSG_CHECKING(compiler warning flags)
1361 # Separate out the -Werror flag as some files just cannot be
1362 # compiled with it enabled.
1363 for w in ${build_warnings}; do
1365 -Werr*) WERROR_CFLAGS=-Werror ;;
1366 *) # Check that GCC accepts it
1367 saved_CFLAGS="$CFLAGS"
1369 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1370 CFLAGS="$saved_CFLAGS"
1373 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1375 AC_SUBST(WARN_CFLAGS)
1376 AC_SUBST(WERROR_CFLAGS)
1378 # In the Cygwin environment, we need some additional flags.
1379 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1380 [AC_EGREP_CPP(lose, [
1381 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1383 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1386 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1387 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1389 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1390 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1391 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1393 AC_SUBST(SER_HARDWIRE)
1395 # libreadline needs libuser32.a in a cygwin environment
1397 if test x$gdb_cv_os_cygwin = xyes; then
1398 WIN32LIBS="-luser32"
1400 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1405 # The ser-tcp.c module requires sockets.
1408 AC_DEFINE(USE_WIN32API, 1,
1409 [Define if we should use the Windows API, instead of the
1410 POSIX API. On Windows, we use the Windows API when
1411 building for MinGW, but the POSIX API when building
1413 WIN32LIBS="$WIN32LIBS -lws2_32"
1418 # Add ELF support to GDB, but only if BFD includes ELF support.
1420 OLD_LDFLAGS=$LDFLAGS
1422 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1423 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1424 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1425 LIBS="$LIBS -lbfd -liberty $intl"
1426 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1428 [#include <stdlib.h>
1430 #include "elf-bfd.h"
1432 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1433 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1434 if test $gdb_cv_var_elf = yes; then
1435 CONFIG_OBS="$CONFIG_OBS elfread.o"
1436 AC_DEFINE(HAVE_ELF, 1,
1437 [Define if ELF support should be included.])
1440 LDFLAGS=$OLD_LDFLAGS
1443 # Add any host-specific objects to GDB.
1444 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1446 LIBGUI="../libgui/src/libgui.a"
1447 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1449 AC_SUBST(GUI_CFLAGS_X)
1453 AC_SUBST(WIN32LDAPP)
1456 *-*-cygwin* | *-*-mingw* )
1465 if test "${enable_gdbtk}" = "yes"; then
1467 # Gdbtk must have an absolute path to srcdir in order to run
1468 # properly when not installed.
1474 CY_AC_PATH_TCLCONFIG
1475 if test -z "${no_tcl}"; then
1476 CY_AC_LOAD_TCLCONFIG
1479 # now look for Tcl library stuff
1481 tcldir="../tcl/${configdir}/"
1483 TCL_DEPS="${tcldir}${TCL_LIB_FILE}"
1485 # If $no_tk is nonempty, then we can't do Tk, and there is no
1486 # point to doing Tcl.
1487 if test -z "${no_tk}"; then
1495 # now look for Tk library stuff
1497 tkdir="../tk/${configdir}/"
1499 TK_DEPS="${tkdir}${TK_LIB_FILE}"
1501 # now look for Itcl library stuff
1503 CY_AC_PATH_ITCLCONFIG
1504 if test -z "${no_itcl}"; then
1505 CY_AC_LOAD_ITCLCONFIG
1507 ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
1508 ITCL_DEPS="${ITCL_LIB_FULL_PATH}"
1512 # now look for Itk library stuff
1513 CY_AC_PATH_ITKCONFIG
1514 if test -z "${no_itcl}"; then
1515 CY_AC_LOAD_ITKCONFIG
1517 ITKLIB="${ITK_BUILD_LIB_SPEC}"
1518 ITK_DEPS="${ITK_LIB_FULL_PATH}"
1521 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1523 # Include some libraries that Tcl and Tk want.
1524 TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1525 # Yes, the ordering seems wrong here. But it isn't.
1526 # TK_LIBS is the list of libraries that need to be linked
1527 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1528 # were in LIBS then any link tests after this point would
1529 # try to include things like `$(LIBGUI)', which wouldn't work.
1530 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1532 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1533 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1534 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1535 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1536 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1537 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1538 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1540 if test x$gdb_cv_os_cygwin = xyes; then
1541 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1542 WIN32LDAPP="-Wl,--subsystem,console"
1543 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1548 AC_CONFIG_SUBDIRS(gdbtk)
1561 AC_SUBST(GDBTK_CFLAGS)
1562 AC_SUBST(GDBTK_SRC_DIR)
1566 # Check whether we should enable the TUI, but only do so if we really
1568 if test x"$enable_tui" = xyes; then
1569 if test -d $srcdir/tui; then
1570 if test "$ac_cv_search_waddstr" != no; then
1571 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
1572 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
1573 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
1574 CONFIG_INITS="$CONFIG_INITS \$(SUBDIR_TUI_INITS)"
1575 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
1576 CONFIG_ALL="${CONFIG_ALL} all-tui"
1577 CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
1578 CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
1579 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
1581 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
1586 # Unlike the sim directory, whether a simulator is linked is controlled by
1587 # presence of a gdb_sim definition in the target configure.tgt entry.
1588 # This code just checks for a few cases where we'd like to ignore those
1589 # definitions, even when they're present in the '.mt' file. These cases
1590 # are when --disable-sim is specified, or if the simulator directory is
1591 # not part of the source tree.
1594 [ --enable-sim Link gdb with simulator],
1595 [echo "enable_sim = $enable_sim";
1596 echo "enableval = ${enableval}";
1597 case "${enableval}" in
1598 yes) ignore_sim=false ;;
1599 no) ignore_sim=true ;;
1600 *) ignore_sim=false ;;
1604 if test ! -d "${srcdir}/../sim"; then
1610 if test "${ignore_sim}" = "false"; then
1611 if test x"${gdb_sim}" != x ; then
1613 SIM_OBS="remote-sim.o"
1614 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
1620 AC_SUBST(ENABLE_CFLAGS)
1621 AC_SUBST(PROFILE_CFLAGS)
1623 AC_SUBST(CONFIG_OBS)
1624 AC_SUBST(CONFIG_DEPS)
1625 AC_SUBST(CONFIG_SRCS)
1626 AC_SUBST(CONFIG_ALL)
1627 AC_SUBST(CONFIG_CLEAN)
1628 AC_SUBST(CONFIG_INSTALL)
1629 AC_SUBST(CONFIG_UNINSTALL)
1631 # List of host floatformats.
1632 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
1633 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
1634 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
1636 # target_subdir is used by the testsuite to find the target libraries.
1638 if test "${host}" != "${target}"; then
1639 target_subdir="${target_alias}/"
1641 AC_SUBST(target_subdir)
1644 if test "${gdb_native}" = "yes"; then
1645 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1646 if test ! -f ${host_makefile_frag}; then
1647 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
1649 frags="$frags $host_makefile_frag"
1651 host_makefile_frag=/dev/null
1654 AC_SUBST_FILE(host_makefile_frag)
1658 if test "${gdb_native}" = "yes"; then
1659 # We pick this up from the host configuration file (.mh) because we
1660 # do not have a native configuration Makefile fragment.
1661 nativefile=`sed -n '
1662 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1663 ' ${host_makefile_frag}`
1667 if test x"${gdb_osabi}" != x ; then
1668 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
1669 [Define to the default OS ABI for this configuration.])
1672 # Enable multi-ice-gdb-server.
1673 AC_ARG_ENABLE(multi-ice,
1674 [ --enable-multi-ice build the multi-ice-gdb-server],
1678 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
1680 if test "x$enable_multi_ice" = xyes; then
1681 AC_CONFIG_SUBDIRS(multi-ice)
1684 # We only build gdbserver automatically in a native configuration.
1685 if test "$gdb_native" = "yes"; then
1686 AC_MSG_CHECKING(whether gdbserver is supported on this host)
1687 if test "x$build_gdbserver" = xyes; then
1689 AC_CONFIG_SUBDIRS(gdbserver)
1695 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
1696 # to an empty version.
1703 if test "${nativefile}" != ""; then
1705 case "${nativefile}" in
1706 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
1707 * ) GDB_NM_FILE="${nativefile}"
1709 files="${files} ${GDB_NM_FILE}"
1710 links="${links} nm.h"
1711 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
1715 AC_LINK_FILES($files, $links)
1717 dnl Check for exe extension set on certain hosts (e.g. Win32)
1720 dnl Detect the character set used by this host.
1722 dnl At the moment, we just assume it's ISO-8859-1 (which is a
1723 dnl superset of ASCII containing the characters needed for French,
1724 dnl German, Spanish, Italian, and possibly others), but if were
1725 dnl *were* to support any host character sets other than ISO-8859-1,
1726 dnl here's where we'd detect it.
1727 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "ISO-8859-1",
1728 [Define to be a string naming the default host character set.])
1732 AC_OUTPUT(Makefile .gdbinit:gdbinit.in gnulib/Makefile,
1734 dnl Autoconf doesn't provide a mechanism for modifying definitions
1735 dnl provided by makefile fragments.
1739 sed -e '/^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1740 mv -f Makefile.tmp Makefile
1744 case x$CONFIG_HEADERS in
1745 xconfig.h:config.in)
1750 gdb_host_cpu=$gdb_host_cpu
1751 nativefile=$nativefile