1 dnl Autoconf configure script for GDB, the GNU debugger.
2 dnl Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
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)
34 AC_CONFIG_AUX_DIR(`cd $srcdir;pwd`/..)
37 dnl List of object files and targets accumulated by configure.
49 dnl Set up for gettext.
50 ZW_GNU_GETTEXT_SISTER_DIR
52 localedir='${datadir}/locale'
55 if test x"$USE_NLS" = xyes; then
56 CONFIG_ALL="$CONFIG_ALL all-po"
57 CONFIG_CLEAN="$CONFIG_CLEAN clean-po"
58 CONFIG_INSTALL="$CONFIG_INSTALL install-po"
59 CONFIG_UNINSTALL="$CONFIG_UNINSTALL uninstall-po"
63 AC_DEFINE_UNQUOTED(PACKAGE, "$PACKAGE", [Name of this package. ])
66 debugdir=${libdir}/debug
68 AC_ARG_WITH(separate-debug-dir,
69 [ --with-separate-debug-dir=path Look for global separate debug info in this path [LIBDIR/debug]],
70 [debugdir="${withval}"])
72 AC_DEFINE_DIR(DEBUGDIR, debugdir,
73 [Global directory for separate debug files. ])
74 #AC_DEFINE_UNQUOTED(DEBUGDIR, "$debugdir"),
76 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
77 if test "x$prefix" = xNONE; then
78 test_prefix=/usr/local
83 test_prefix=$exec_prefix
86 "${test_prefix}"|"${test_prefix}/"*|\
87 '${exec_prefix}'|'${exec_prefix}/'*)
88 AC_DEFINE(DEBUGDIR_RELOCATABLE, 1, [Define if the debug directory should be relocated when GDB is moved.])
92 AC_CONFIG_SUBDIRS(doc testsuite)
94 # Check whether to support alternative target configurations
95 AC_ARG_ENABLE(targets,
96 [ --enable-targets alternative target configurations],
97 [case "${enableval}" in
98 yes | "") AC_ERROR(enable-targets option must specify target names or 'all')
100 no) enable_targets= ;;
101 *) enable_targets=$enableval ;;
104 # Check whether to enable 64-bit support on 32-bit hosts
105 AC_ARG_ENABLE(64-bit-bfd,
106 [ --enable-64-bit-bfd 64-bit support (on hosts with narrower word sizes)],
107 [case "${enableval}" in
110 *) AC_MSG_ERROR(bad value ${enableval} for 64-bit-bfd option) ;;
111 esac],[want64=false])dnl
113 # Provide defaults for some variables set by the per-host and per-target
115 gdb_host_obs=posix-hdep.o
117 if test "${target}" = "${host}"; then
123 . $srcdir/configure.host
125 # Accumulate some settings from configure.tgt over all enabled targets
130 for targ_alias in `echo $target_alias $enable_targets | sed 's/,/ /g'`
132 if test "$targ_alias" = "all"; then
135 # Canonicalize the secondary target names.
136 result=`$ac_config_sub $targ_alias 2>/dev/null`
137 if test -n "$result"; then
143 . ${srcdir}/configure.tgt
145 # Target-specific object files
146 for i in ${gdb_target_obs}; do
147 case " $TARGET_OBS " in
150 TARGET_OBS="$TARGET_OBS ${i}"
155 # Check whether this target needs 64-bit CORE_ADDR
156 if test x${want64} = xfalse; then
157 . ${srcdir}/../bfd/config.bfd
162 if test x${all_targets} = xtrue; then
164 # We want all 64-bit targets if we either:
165 # - run on a 64-bit host or
166 # - already require 64-bit support for some other target or
167 # - the --enable-64-bit-bfd option was supplied
168 # Otherwise we only support all 32-bit targets.
170 # NOTE: This test must be in sync with the corresponding
173 if test x${want64} = xfalse; then
174 AC_CHECK_SIZEOF(long)
175 if test "x${ac_cv_sizeof_long}" = "x8"; then
179 if test x${want64} = xtrue; then
180 TARGET_OBS='$(ALL_TARGET_OBS) $(ALL_64_TARGET_OBS)'
182 TARGET_OBS='$(ALL_TARGET_OBS)'
188 # For other settings, only the main target counts.
192 targ=$target; . ${srcdir}/configure.tgt
194 # Fetch the default architecture and default target vector from BFD.
195 targ=$target; . $srcdir/../bfd/config.bfd
197 # We only want the first architecture, so strip off the others if
198 # there is more than one.
199 targ_archs=`echo $targ_archs | sed 's/ .*//'`
201 if test "x$targ_archs" != x; then
202 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
203 [Define to BFD's default architecture. ])
205 if test "x$targ_defvec" != x; then
206 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
207 [Define to BFD's default target vector. ])
212 # The CLI cannot be disabled yet, but may be in the future.
215 AC_ARG_ENABLE(gdbcli,
216 [ --disable-gdbcli disable command-line interface (CLI)],
221 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
223 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
226 if test x"$enable_gdbcli" = xyes; then
227 if test -d $srcdir/cli; then
228 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
229 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
230 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
231 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
237 [ --disable-gdbmi disable machine-interface (MI)],
242 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
245 if test x"$enable_gdbmi" = xyes; then
246 if test -d $srcdir/mi; then
247 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
248 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
249 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
250 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
256 [ --enable-tui enable full-screen terminal user interface (TUI)],
261 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
262 esac],enable_tui=yes)
266 [ --enable-gdbtk enable gdbtk graphical user interface (GUI)],
271 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
273 [if test -d $srcdir/gdbtk -a -d $srcdir/../itcl; then
278 # We unconditionally disable gdbtk tests on selected platforms.
281 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
286 AC_ARG_WITH(libunwind,
287 [ --with-libunwind Use libunwind frame unwinding support],
288 [case "${withval}" in
289 yes) enable_libunwind=yes ;;
290 no) enable_libunwind=no ;;
291 *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
293 AC_CHECK_HEADERS(libunwind.h)
294 AC_CHECK_HEADERS(libunwind-ia64.h)
295 if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
296 enable_libunwind=yes;
300 if test x"$enable_libunwind" = xyes; then
301 AC_CHECK_HEADERS(libunwind.h)
302 AC_CHECK_HEADERS(libunwind-ia64.h)
303 AC_DEFINE(HAVE_LIBUNWIND, 1, [Define if libunwind library is being used.])
304 CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
305 CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
306 CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
310 AC_ARG_ENABLE(profiling,
311 [ --enable-profiling enable profiling of GDB],
316 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
318 [enable_profiling=no])
320 AC_CHECK_FUNCS(monstartup _mcleanup)
321 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
326 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
327 if test $ac_cv_var__etext = yes; then
328 AC_DEFINE(HAVE__ETEXT, 1,
329 [Define to 1 if your system has the _etext variable. ])
331 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
336 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
337 if test $ac_cv_var_etext = yes; then
338 AC_DEFINE(HAVE_ETEXT, 1,
339 [Define to 1 if your system has the etext variable. ])
341 if test "$enable_profiling" = yes ; then
342 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
343 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
347 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
349 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
350 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
351 ac_cv_cc_supports_pg=no)])
353 if test $ac_cv_cc_supports_pg = no; then
354 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
360 # --------------------- #
361 # Checks for programs. #
362 # --------------------- #
370 AC_CHECK_TOOL(AR, ar)
371 AC_CHECK_TOOL(DLLTOOL, dlltool)
372 AC_CHECK_TOOL(WINDRES, windres)
374 # Needed for GNU/Hurd.
375 AC_CHECK_TOOL(MIG, mig)
377 # ---------------------- #
378 # Checks for libraries. #
379 # ---------------------- #
381 # We might need to link with -lm; most simulators need it.
382 AC_CHECK_LIB(m, main)
384 # We need to link with -lw to get `wctype' on Solaris before Solaris
385 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
386 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
387 # is known to have this problem). Therefore we avoid libw if we can.
388 AC_CHECK_FUNC(wctype, [],
389 [AC_CHECK_LIB(w, wctype)])
391 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
392 AC_SEARCH_LIBS(gethostbyname, nsl)
394 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
395 AC_SEARCH_LIBS(socketpair, socket)
397 # For the TUI, we need enhanced curses functionality.
399 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
400 # curses library because the latter might not provide all the
401 # functionality we need. However, this leads to problems on systems
402 # where the linker searches /usr/local/lib, but the compiler doesn't
403 # search /usr/local/include, if ncurses is installed in /usr/local. A
404 # default installation of ncurses on alpha*-dec-osf* will lead to such
406 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
408 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
409 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
411 # Since GDB uses Readline, we need termcap functionality. In many
412 # cases this will be provided by the curses library, but some systems
413 # have a seperate termcap library, or no curses library at all.
417 if test -d $srcdir/libtermcap; then
418 LIBS="../libtermcap/libtermcap.a $LIBS"
419 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
422 ac_cv_search_tgetent="none required"
425 ac_cv_search_tgetent="none required"
426 CONFIG_OBS="$CONFIG_OBS win32-termcap.o"
430 # These are the libraries checked by Readline.
431 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
433 if test "$ac_cv_search_tgetent" = no; then
434 AC_MSG_ERROR([no termcap library found])
437 AC_ARG_WITH([system-readline],
438 [AS_HELP_STRING([--with-system-readline],
439 [use installed readline library])])
441 if test "$with_system_readline" = yes; then
446 READLINE='$(READLINE_DIR)/libreadline.a'
447 READLINE_DEPS='$(READLINE)'
448 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
451 AC_SUBST(READLINE_DEPS)
452 AC_SUBST(READLINE_CFLAGS)
455 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
456 [], [with_expat=auto])
457 AC_MSG_CHECKING([whether to use expat])
458 AC_MSG_RESULT([$with_expat])
460 if test "${with_expat}" = no; then
461 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
464 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
465 [XML_Parser p = XML_ParserCreate (0);])
466 if test "$HAVE_LIBEXPAT" != yes; then
467 if test "$with_expat" = yes; then
468 AC_MSG_ERROR([expat is missing or unusable])
470 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
474 LIBS="$LIBS $LIBEXPAT"
475 AC_CHECK_FUNCS(XML_StopParser)
480 # ------------------------- #
481 # Checks for header files. #
482 # ------------------------- #
487 AC_CHECK_HEADERS(nlist.h)
488 AC_CHECK_HEADERS(link.h, [], [],
489 [#if HAVE_SYS_TYPES_H
490 # include <sys/types.h>
496 AC_CHECK_HEADERS(machine/reg.h)
497 AC_CHECK_HEADERS(poll.h sys/poll.h)
498 AC_CHECK_HEADERS(proc_service.h thread_db.h gnu/libc-version.h)
499 AC_CHECK_HEADERS(signal.h)
500 AC_CHECK_HEADERS(stddef.h)
501 AC_CHECK_HEADERS(stdlib.h)
502 AC_CHECK_HEADERS(stdint.h)
503 AC_CHECK_HEADERS(string.h memory.h strings.h)
504 AC_CHECK_HEADERS(sys/fault.h)
505 AC_CHECK_HEADERS(sys/file.h)
506 AC_CHECK_HEADERS(sys/filio.h)
507 AC_CHECK_HEADERS(sys/ioctl.h)
508 AC_CHECK_HEADERS(sys/param.h)
509 AC_CHECK_HEADERS(sys/resource.h)
510 AC_CHECK_HEADERS(sys/proc.h, [], [],
511 [#if HAVE_SYS_PARAM_H
512 # include <sys/param.h>
515 AC_CHECK_HEADERS(sys/procfs.h)
516 AC_CHECK_HEADERS(sys/ptrace.h ptrace.h)
517 AC_CHECK_HEADERS(sys/reg.h sys/debugreg.h)
518 AC_CHECK_HEADERS(sys/select.h)
519 AC_CHECK_HEADERS(sys/syscall.h)
520 AC_CHECK_HEADERS(sys/types.h)
521 AC_CHECK_HEADERS(sys/user.h, [], [],
522 [#if HAVE_SYS_PARAM_H
523 # include <sys/param.h>
526 AC_CHECK_HEADERS(sys/wait.h wait.h)
527 AC_CHECK_HEADERS(termios.h termio.h sgtty.h)
528 AC_CHECK_HEADERS(unistd.h)
530 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
531 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
532 # think that we don't have <curses.h> if we're using GCC.
535 if test "$GCC" = yes; then
536 AC_DEFINE(_MSE_INT_H, 1,
537 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
538 Solaris 2.[789] when using GCC. ])
541 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h)
542 AC_CHECK_HEADERS(ncurses/term.h)
543 AC_CHECK_HEADERS(term.h, [], [],
549 # Check for HP/UX 64-bit shared library support
550 AC_CHECK_HEADERS(elf_hp.h)
552 # FIXME: kettenis/20030102: In most cases we include these
553 # unconditionally, so what's the point in checking these?
554 AC_CHECK_HEADERS(ctype.h time.h)
556 # Create a header we can use portably to get the standard integer types.
557 GCC_HEADER_STDINT(gdb_stdint.h)
559 # ------------------------- #
560 # Checks for declarations. #
561 # ------------------------- #
563 AC_CHECK_DECLS([free, malloc, realloc])
564 AC_CHECK_DECLS([strerror, strstr])
565 AC_CHECK_DECLS([getopt, snprintf, vsnprintf])
567 # ----------------------- #
568 # Checks for structures. #
569 # ----------------------- #
571 AC_CHECK_MEMBERS([struct stat.st_blocks])
572 AC_CHECK_MEMBERS([struct stat.st_blksize])
574 # ------------------ #
575 # Checks for types. #
576 # ------------------ #
579 AC_CHECK_TYPES(socklen_t, [], [],
580 [#include <sys/types.h>
581 #include <sys/socket.h>
583 AC_CHECK_TYPES(uintptr_t, [], [], [#include <stdint.h>])
585 # ------------------------------------- #
586 # Checks for compiler characteristics. #
587 # ------------------------------------- #
593 # ------------------------------ #
594 # Checks for library functions. #
595 # ------------------------------ #
600 AC_CHECK_FUNCS(canonicalize_file_name realpath)
601 AC_CHECK_FUNCS(getrusage)
602 AC_CHECK_FUNCS(getuid getgid)
604 AC_CHECK_FUNCS(pread64)
606 AC_CHECK_FUNCS(setpgid setpgrp)
607 AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask)
608 AC_CHECK_FUNCS(socketpair)
609 AC_CHECK_FUNCS(syscall)
610 AC_CHECK_FUNCS(ttrace)
611 AC_CHECK_FUNCS(wborder)
613 # Check the return and argument types of ptrace. No canned test for
614 # this, so roll our own.
617 # include <sys/types.h>
619 #if HAVE_SYS_PTRACE_H
620 # include <sys/ptrace.h>
626 # There is no point in checking if we don't have a prototype.
627 AC_CHECK_DECLS(ptrace, [], [
628 : ${gdb_cv_func_ptrace_ret='int'}
629 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
630 ], $gdb_ptrace_headers)
632 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
633 AC_TRY_COMPILE($gdb_ptrace_headers,
634 [extern int ptrace ();],
635 gdb_cv_func_ptrace_ret='int',
636 gdb_cv_func_ptrace_ret='long'))
637 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
638 [Define as the return type of ptrace.])
639 # Check argument types.
640 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
641 for gdb_arg1 in 'int' 'long'; do
642 for gdb_arg2 in 'pid_t' 'int' 'long'; do
643 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long' 'void *'; do
644 for gdb_arg4 in 'int' 'long'; do
645 AC_TRY_COMPILE($gdb_ptrace_headers, [
646 extern $gdb_cv_func_ptrace_ret
647 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
648 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
650 for gdb_arg5 in 'int *' 'int' 'long'; do
651 AC_TRY_COMPILE($gdb_ptrace_headers, [
652 extern $gdb_cv_func_ptrace_ret
653 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
655 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
662 # Provide a safe default value.
663 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
665 ac_save_IFS=$IFS; IFS=','
666 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
669 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
670 [Define to the type of arg 3 for ptrace.])
671 if test -n "$[5]"; then
672 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
673 [Define to the type of arg 5 for ptrace.])
676 dnl AC_FUNC_SETPGRP does not work when cross compiling
677 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
678 if test "$cross_compiling" = no; then
681 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
685 if (setpgrp(1,1) == -1)
689 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
690 if test $ac_cv_func_setpgrp_void = yes; then
691 AC_DEFINE(SETPGRP_VOID, 1)
695 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
696 # since sigsetjmp might only be defined as a macro.
697 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
700 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
701 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
702 if test $gdb_cv_func_sigsetjmp = yes; then
703 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
706 # Assume we'll default to using the included libiberty regex.
707 gdb_use_included_regex=yes
709 # However, if the system regex is GNU regex, then default to *not*
710 # using the included regex.
713 [gdb_cv_have_gnu_regex],
715 [#include <gnu-versions.h>],
716 [#define REGEX_INTERFACE_VERSION 1
717 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
718 # error "Version mismatch"
720 gdb_cv_have_gnu_regex=yes,
721 gdb_cv_have_gnu_regex=no)])
722 if test $gdb_cv_have_gnu_regex = yes; then
723 gdb_use_included_regex=no
726 AC_ARG_WITH(included-regex,
727 [ --without-included-regex don't use included regex; this is the default
728 on systems with version 2 of the GNU C library
729 (use with caution on other system)],
730 gdb_with_regex=$withval,
731 gdb_with_regex=$gdb_use_included_regex)
732 if test "$gdb_with_regex" = yes; then
733 AC_DEFINE(USE_INCLUDED_REGEX, 1,
734 [Define to 1 if the regex included in libiberty should be used.])
737 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
738 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
739 [#include <sys/param.h>
740 #include <sys/proc.h>
743 # See if <sys/lwp.h> defines `struct lwp`.
744 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
745 [AC_TRY_COMPILE([#include <sys/param.h>
746 #include <sys/lwp.h>], [struct lwp l;],
747 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
748 if test $gdb_cv_struct_lwp = yes; then
749 AC_DEFINE(HAVE_STRUCT_LWP, 1,
750 [Define to 1 if your system has struct lwp.])
753 # See if <machine/reg.h> degines `struct reg'.
754 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
755 [AC_TRY_COMPILE([#include <sys/types.h>
756 #include <machine/reg.h>], [struct reg r;],
757 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
758 if test $gdb_cv_struct_reg = yes; then
759 AC_DEFINE(HAVE_STRUCT_REG, 1,
760 [Define to 1 if your system has struct reg in <machine/reg.h>.])
763 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
764 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
765 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
766 [#include <machine/reg.h>])
768 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
769 AC_MSG_CHECKING(for PTRACE_GETREGS)
770 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
771 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
773 [gdb_cv_have_ptrace_getregs=yes],
774 [gdb_cv_have_ptrace_getregs=no])])
775 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
776 if test $gdb_cv_have_ptrace_getregs = yes; then
777 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
778 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
781 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
782 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
783 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
784 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
785 [PTRACE_GETFPXREGS;],
786 [gdb_cv_have_ptrace_getfpxregs=yes],
787 [gdb_cv_have_ptrace_getfpxregs=no])])
788 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
789 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
790 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
791 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
794 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
795 AC_MSG_CHECKING(for PT_GETDBREGS)
796 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
797 [AC_TRY_COMPILE([#include <sys/types.h>
798 #include <sys/ptrace.h>],
800 [gdb_cv_have_pt_getdbregs=yes],
801 [gdb_cv_have_pt_getdbregs=no])])
802 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
803 if test $gdb_cv_have_pt_getdbregs = yes; then
804 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
805 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
808 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
809 AC_MSG_CHECKING(for PT_GETXMMREGS)
810 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
811 [AC_TRY_COMPILE([#include <sys/types.h>
812 #include <sys/ptrace.h>],
814 [gdb_cv_have_pt_getxmmregs=yes],
815 [gdb_cv_have_pt_getxmmregs=no])])
816 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
817 if test $gdb_cv_have_pt_getxmmregs = yes; then
818 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
819 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
822 # Detect which type of /proc is in use, such as for Unixware or Solaris.
824 if test "${target}" = "${host}"; then
826 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
827 AC_DEFINE(NEW_PROC_API, 1,
828 [Define if you want to use new multi-fd /proc interface
829 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
831 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]]*)
832 AC_DEFINE(NEW_PROC_API, 1,
833 [Define if you want to use new multi-fd /proc interface
834 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
837 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
838 AC_DEFINE([_KMEMUSER], 1,
839 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
840 around a <sys/proc.h> problem on IRIX 5.])
845 if test "$ac_cv_header_sys_procfs_h" = yes; then
846 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
847 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
848 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
849 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
850 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
851 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
852 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
853 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
854 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
855 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
856 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
857 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
858 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
859 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
862 dnl Check for broken prfpregset_t type
864 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
865 dnl prfpregset_t type (it's a typedef for the pointer to a struct
866 dnl instead of the struct itself). We detect this here, and work
867 dnl around it in gdb_proc_service.h.
869 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
870 AC_MSG_CHECKING(whether prfpregset_t type is broken)
871 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
872 [AC_TRY_RUN([#include <sys/procfs.h>
875 if (sizeof (prfpregset_t) == sizeof (void *))
879 gdb_cv_prfpregset_t_broken=no,
880 gdb_cv_prfpregset_t_broken=yes,
881 gdb_cv_prfpregset_t_broken=yes)])
882 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
883 if test $gdb_cv_prfpregset_t_broken = yes; then
884 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
885 [Define if the prfpregset_t type is broken.])
889 dnl Check for PIOCSET ioctl entry
891 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
892 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
893 [AC_TRY_COMPILE([#include <unistd.h>
894 #include <sys/types.h>
895 #include <sys/procfs.h>
898 dummy = ioctl(0, PIOCSET, &dummy);
900 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
901 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
902 if test $gdb_cv_have_procfs_piocset = yes; then
903 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
904 [Define if ioctl argument PIOCSET is available.])
908 dnl For native ports (host == target), check to see what kind of
909 dnl legacy link.h support is needed. (See solib-legacy.c.)
910 if test ${host} = ${target} ; then
911 dnl Check for struct link_map with l_ members which are indicative
912 dnl of SVR4-like shared libraries
914 AC_MSG_CHECKING(for member l_addr in struct link_map)
915 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
916 [AC_TRY_COMPILE([#include <link.h>],
917 [struct link_map lm; (void) lm.l_addr;],
918 gdb_cv_have_struct_link_map_with_l_members=yes,
919 gdb_cv_have_struct_link_map_with_l_members=no)])
920 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
921 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
922 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
923 [Define if <link.h> exists and defines struct link_map which has
924 members with an ``l_'' prefix. (For Solaris, SVR4, and
925 SVR4-like systems.)])
928 dnl Check for struct link_map with lm_ members which are indicative
929 dnl of SunOS-like shared libraries
931 AC_MSG_CHECKING(for member lm_addr in struct link_map)
932 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
933 [AC_TRY_COMPILE([#include <sys/types.h>
935 [struct link_map lm; (void) lm.lm_addr;],
936 gdb_cv_have_struct_link_map_with_lm_members=yes,
937 gdb_cv_have_struct_link_map_with_lm_members=no)])
938 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
939 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
940 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
941 [Define if <link.h> exists and defines struct link_map which has
942 members with an ``lm_'' prefix. (For SunOS.)])
945 dnl Check for struct so_map with som_ members which are found on
946 dnl some *BSD systems.
948 AC_MSG_CHECKING(for member som_addr in struct so_map)
949 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
950 [AC_TRY_COMPILE([#include <sys/types.h>
955 [struct so_map lm; (void) lm.som_addr;],
956 gdb_cv_have_struct_so_map_with_som_members=yes,
957 gdb_cv_have_struct_so_map_with_som_members=no)])
958 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
959 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
960 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
961 [Define if <link.h> exists and defines a struct so_map which has
962 members with an ``som_'' prefix. (Found on older *BSD systems.)])
965 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
966 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
968 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
969 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
970 [AC_TRY_COMPILE([#define _SYSCALL32
971 #include <sys/link.h>], [struct link_map32 l;],
972 gdb_cv_have_struct_link_map32=yes,
973 gdb_cv_have_struct_link_map32=no)])
974 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
975 if test $gdb_cv_have_struct_link_map32 = yes; then
976 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
977 [Define if <sys/link.h> has struct link_map32])
978 AC_DEFINE(_SYSCALL32, 1,
979 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
983 # Check if the compiler supports the `long long' type.
985 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
986 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
987 [[extern long long foo;]],
988 [[switch (foo & 2) { case 0: return 1; }]])],
989 gdb_cv_c_long_long=yes,
990 gdb_cv_c_long_long=no)])
991 if test $gdb_cv_c_long_long = yes; then
992 AC_DEFINE(CC_HAS_LONG_LONG, 1,
993 [Define to 1 if the compiler supports long long.])
996 # Check if the compiler and runtime support printing long longs.
998 AC_CACHE_CHECK([for long long support in printf],
999 gdb_cv_printf_has_long_long,
1000 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1003 l = (l << 16) + 0x0123;
1004 l = (l << 16) + 0x4567;
1005 l = (l << 16) + 0x89ab;
1006 l = (l << 16) + 0xcdef;
1007 sprintf (buf, "0x%016llx", l);
1008 return (strcmp ("0x0123456789abcdef", buf));]])],
1009 gdb_cv_printf_has_long_long=yes,
1010 gdb_cv_printf_has_long_long=no,
1011 gdb_cv_printf_has_long_long=no)])
1012 if test $gdb_cv_printf_has_long_long = yes; then
1013 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
1014 [Define to 1 if the "%ll" format works to print long longs.])
1017 # Check if the compiler and runtime support printing decfloats.
1019 AC_CACHE_CHECK([for decfloat support in printf],
1020 gdb_cv_printf_has_decfloat,
1021 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1023 _Decimal32 d32 = 1.2345df;
1024 _Decimal64 d64 = 1.2345dd;
1025 _Decimal128 d128 = 1.2345dl;
1026 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
1027 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
1028 gdb_cv_printf_has_decfloat=yes,
1029 gdb_cv_printf_has_decfloat=no,
1030 gdb_cv_printf_has_decfloat=no)])
1031 if test $gdb_cv_printf_has_decfloat = yes; then
1032 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
1033 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
1036 # Check if the compiler supports the `long double' type. We can't use
1037 # AC_C_LONG_DOUBLE because that one does additional checks on the
1038 # constants defined in <float.h> that fail on some systems,
1039 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
1041 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
1042 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
1043 gdb_cv_c_long_double=yes,
1044 gdb_cv_c_long_double=no)])
1045 if test $gdb_cv_c_long_double = yes; then
1046 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
1047 [Define to 1 if the compiler supports long double.])
1050 # Check if the compiler and runtime support printing long doubles.
1052 AC_CACHE_CHECK([for long double support in printf],
1053 gdb_cv_printf_has_long_double,
1054 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
1056 long double f = 3.141592653;
1057 sprintf (buf, "%Lg", f);
1058 return (strncmp ("3.14159", buf, 7));]])],
1059 gdb_cv_printf_has_long_double=yes,
1060 gdb_cv_printf_has_long_double=no,
1061 gdb_cv_printf_has_long_double=no)])
1062 if test $gdb_cv_printf_has_long_double = yes; then
1063 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
1064 [Define to 1 if the "%Lg" format works to print long doubles.])
1067 # Check if the compiler and runtime support scanning long doubles.
1069 AC_CACHE_CHECK([for long double support in scanf],
1070 gdb_cv_scanf_has_long_double,
1071 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
1072 [[#include <stdio.h>]],
1073 [[char *buf = "3.141592653";
1075 sscanf (buf, "%Lg", &f);
1076 return !(f > 3.14159 && f < 3.14160);]])],
1077 gdb_cv_scanf_has_long_double=yes,
1078 gdb_cv_scanf_has_long_double=no,
1079 gdb_cv_scanf_has_long_double=no)])
1080 if test $gdb_cv_scanf_has_long_double = yes; then
1081 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
1082 [Define to 1 if the "%Lg" format works to scan long doubles.])
1087 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1088 SAVE_LDFLAGS=$LDFLAGS
1091 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1092 *) gdb_cv_bigtoc=-bbigtoc ;;
1095 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1096 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1097 LDFLAGS="${SAVE_LDFLAGS}"
1099 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1104 dnl For certain native configurations, we need to check whether thread
1105 dnl support can be built in or not.
1107 dnl Note that we only want this if we are both native (host == target),
1108 dnl and not doing a canadian cross build (build == host).
1110 if test ${build} = ${host} -a ${host} = ${target} ; then
1113 AC_MSG_CHECKING(for HPUX/OSF thread support)
1114 if test -f /usr/include/dce/cma_config.h ; then
1115 if test "$GCC" = "yes" ; then
1117 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
1118 [Define if you have HPUX threads])
1119 CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
1120 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
1122 AC_MSG_RESULT(no (suppressed because you are not using GCC))
1129 # See if thread_db library is around for Solaris thread debugging.
1130 # Note that we must explicitly test for version 1 of the library
1131 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1133 AC_MSG_CHECKING(for Solaris thread debugging library)
1134 if test -f /usr/lib/libthread_db.so.1 ; then
1136 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1137 [Define if using Solaris thread debugging.])
1138 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1139 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1140 AC_CHECK_LIB(dl, dlopen)
1141 if test "$GCC" = "yes" ; then
1142 # The GNU linker requires the -export-dynamic option to make
1143 # all symbols visible in the dynamic symbol table.
1144 hold_ldflags=$LDFLAGS
1145 AC_MSG_CHECKING(for the ld -export-dynamic flag)
1146 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
1147 AC_TRY_LINK(, [int i;], found=yes, found=no)
1148 LDFLAGS=$hold_ldflags
1149 AC_MSG_RESULT($found)
1150 if test $found = yes; then
1151 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
1154 # Sun randomly tweaked the prototypes in <proc_service.h>
1156 AC_MSG_CHECKING(if <proc_service.h> is old)
1157 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1159 #include <proc_service.h>
1161 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1162 ],, gdb_cv_proc_service_is_old=no,
1163 gdb_cv_proc_service_is_old=yes)
1165 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1166 if test $gdb_cv_proc_service_is_old = yes; then
1167 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1168 [Define if <proc_service.h> on solaris uses int instead of
1169 size_t, and assorted other type changes.])
1176 AC_MSG_CHECKING(for AiX thread debugging library)
1177 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1178 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1179 [#ifndef PTHDB_VERSION_3
1182 gdb_cv_have_aix_thread_debug=yes,
1183 gdb_cv_have_aix_thread_debug=no)])
1184 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1185 if test $gdb_cv_have_aix_thread_debug = yes; then
1186 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1187 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1188 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1192 AC_SUBST(CONFIG_LDFLAGS)
1195 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1196 dnl other error codes.
1197 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1198 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1199 gdb_cv_thread_db_h_has_td_notalloc,
1201 [#include <thread_db.h>],
1202 [int i = TD_NOTALLOC;],
1203 gdb_cv_thread_db_h_has_td_notalloc=yes,
1204 gdb_cv_thread_db_h_has_td_notalloc=no
1207 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1208 gdb_cv_thread_db_h_has_td_version,
1210 [#include <thread_db.h>],
1211 [int i = TD_VERSION;],
1212 gdb_cv_thread_db_h_has_td_version=yes,
1213 gdb_cv_thread_db_h_has_td_version=no
1216 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1217 gdb_cv_thread_db_h_has_td_notls,
1219 [#include <thread_db.h>],
1220 [int i = TD_NOTLS;],
1221 gdb_cv_thread_db_h_has_td_notls=yes,
1222 gdb_cv_thread_db_h_has_td_notls=no
1226 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1227 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1228 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1230 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1231 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1232 [Define if <thread_db.h> has the TD_VERSION error code.])
1234 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1235 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1236 [Define if <thread_db.h> has the TD_NOTLS error code.])
1239 dnl See if we have a sys/syscall header file that has __NR_tkill.
1240 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1241 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1242 gdb_cv_sys_syscall_h_has_tkill,
1244 [#include <sys/syscall.h>],
1245 [int i = __NR_tkill;],
1246 gdb_cv_sys_syscall_h_has_tkill=yes,
1247 gdb_cv_sys_syscall_h_has_tkill=no
1251 dnl See if we can issue tkill syscall.
1252 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1253 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1256 dnl Handle optional features that can be enabled.
1258 AC_ARG_WITH(sysroot,
1259 [ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
1261 case ${with_sysroot} in
1262 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1263 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1266 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1268 if test "x$prefix" = xNONE; then
1269 test_prefix=/usr/local
1273 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1274 test_exec_prefix=$test_prefix
1276 test_exec_prefix=$exec_prefix
1278 case ${TARGET_SYSTEM_ROOT} in
1279 "${test_prefix}"|"${test_prefix}/"*|\
1280 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1281 '${prefix}'|'${prefix}/'*|\
1282 '${exec_prefix}'|'${exec_prefix}/'*)
1283 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
1284 TARGET_SYSTEM_ROOT_DEFINE="$t"
1289 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1291 AC_SUBST(TARGET_SYSTEM_ROOT)
1292 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1294 AC_ARG_ENABLE(werror,
1295 [ --enable-werror treat compile warnings as errors],
1296 [case "${enableval}" in
1297 yes | y) ERROR_ON_WARNING="yes" ;;
1298 no | n) ERROR_ON_WARNING="no" ;;
1299 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1302 # Enable -Werror by default when using gcc
1303 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1304 ERROR_ON_WARNING=yes
1308 if test "${ERROR_ON_WARNING}" = yes ; then
1309 WERROR_CFLAGS="-Werror"
1312 # The entries after -Wno-pointer-sign are disabled warnings which may
1313 # be enabled in the future, which can not currently be used to build
1315 # NOTE: If you change this list, remember to update
1316 # gdb/doc/gdbint.texinfo.
1317 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1318 -Wformat-nonliteral -Wno-pointer-sign \
1319 -Wno-unused -Wno-switch -Wno-char-subscripts"
1321 AC_ARG_ENABLE(build-warnings,
1322 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
1323 [case "${enableval}" in
1325 no) build_warnings="-w";;
1326 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1327 build_warnings="${build_warnings} ${t}";;
1328 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1329 build_warnings="${t} ${build_warnings}";;
1330 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1332 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1333 echo "Setting compiler warning flags = $build_warnings" 6>&1
1335 AC_ARG_ENABLE(gdb-build-warnings,
1336 [ --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],
1337 [case "${enableval}" in
1339 no) build_warnings="-w";;
1340 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1341 build_warnings="${build_warnings} ${t}";;
1342 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1343 build_warnings="${t} ${build_warnings}";;
1344 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1346 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1347 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1350 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1352 AC_MSG_CHECKING(compiler warning flags)
1353 # Separate out the -Werror flag as some files just cannot be
1354 # compiled with it enabled.
1355 for w in ${build_warnings}; do
1357 -Werr*) WERROR_CFLAGS=-Werror ;;
1358 *) # Check that GCC accepts it
1359 saved_CFLAGS="$CFLAGS"
1361 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1362 CFLAGS="$saved_CFLAGS"
1365 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1367 AC_SUBST(WARN_CFLAGS)
1368 AC_SUBST(WERROR_CFLAGS)
1370 # In the Cygwin environment, we need some additional flags.
1371 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1372 [AC_EGREP_CPP(lose, [
1373 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1375 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1378 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1379 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1381 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1382 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1383 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1385 AC_SUBST(SER_HARDWIRE)
1387 # libreadline needs libuser32.a in a cygwin environment
1389 if test x$gdb_cv_os_cygwin = xyes; then
1390 WIN32LIBS="-luser32"
1392 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1397 # The ser-tcp.c module requires sockets.
1400 AC_DEFINE(USE_WIN32API, 1,
1401 [Define if we should use the Windows API, instead of the
1402 POSIX API. On Windows, we use the Windows API when
1403 building for MinGW, but the POSIX API when building
1405 WIN32LIBS="$WIN32LIBS -lws2_32"
1410 # Add ELF support to GDB, but only if BFD includes ELF support.
1412 OLD_LDFLAGS=$LDFLAGS
1414 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1415 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1416 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1417 LIBS="$LIBS -lbfd -liberty $intl"
1418 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1420 [#include <stdlib.h>
1422 #include "elf-bfd.h"
1424 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1425 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1426 if test $gdb_cv_var_elf = yes; then
1427 CONFIG_OBS="$CONFIG_OBS elfread.o"
1428 AC_DEFINE(HAVE_ELF, 1,
1429 [Define if ELF support should be included.])
1432 LDFLAGS=$OLD_LDFLAGS
1435 # Add any host-specific objects to GDB.
1436 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1438 LIBGUI="../libgui/src/libgui.a"
1439 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1441 AC_SUBST(GUI_CFLAGS_X)
1445 AC_SUBST(WIN32LDAPP)
1457 if test "${enable_gdbtk}" = "yes"; then
1459 # Gdbtk must have an absolute path to srcdir in order to run
1460 # properly when not installed.
1466 CY_AC_PATH_TCLCONFIG
1467 if test -z "${no_tcl}"; then
1468 CY_AC_LOAD_TCLCONFIG
1471 # now look for Tcl library stuff
1473 tcldir="../tcl/${configdir}/"
1475 TCL_DEPS="${tcldir}${TCL_LIB_FILE}"
1477 # If $no_tk is nonempty, then we can't do Tk, and there is no
1478 # point to doing Tcl.
1479 if test -z "${no_tk}"; then
1487 # now look for Tk library stuff
1489 tkdir="../tk/${configdir}/"
1491 TK_DEPS="${tkdir}${TK_LIB_FILE}"
1493 # now look for Itcl library stuff
1495 CY_AC_PATH_ITCLCONFIG
1496 if test -z "${no_itcl}"; then
1497 CY_AC_LOAD_ITCLCONFIG
1499 ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
1500 ITCL_DEPS="${ITCL_LIB_FULL_PATH}"
1504 # now look for Itk library stuff
1505 CY_AC_PATH_ITKCONFIG
1506 if test -z "${no_itcl}"; then
1507 CY_AC_LOAD_ITKCONFIG
1509 ITKLIB="${ITK_BUILD_LIB_SPEC}"
1510 ITK_DEPS="${ITK_LIB_FULL_PATH}"
1513 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1515 # Include some libraries that Tcl and Tk want.
1516 TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1517 # Yes, the ordering seems wrong here. But it isn't.
1518 # TK_LIBS is the list of libraries that need to be linked
1519 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1520 # were in LIBS then any link tests after this point would
1521 # try to include things like `$(LIBGUI)', which wouldn't work.
1522 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1524 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1525 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1526 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1527 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1528 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1529 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1530 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1532 if test x$gdb_cv_os_cygwin = xyes; then
1533 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1534 WIN32LDAPP="-Wl,--subsystem,console"
1535 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1540 AC_CONFIG_SUBDIRS(gdbtk)
1553 AC_SUBST(GDBTK_CFLAGS)
1554 AC_SUBST(GDBTK_SRC_DIR)
1558 # Check whether we should enable the TUI, but only do so if we really
1560 if test x"$enable_tui" = xyes; then
1561 if test -d $srcdir/tui; then
1562 if test "$ac_cv_search_waddstr" != no; then
1563 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
1564 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
1565 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
1566 CONFIG_INITS="$CONFIG_INITS \$(SUBDIR_TUI_INITS)"
1567 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
1568 CONFIG_ALL="${CONFIG_ALL} all-tui"
1569 CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
1570 CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
1571 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
1573 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
1578 # Unlike the sim directory, whether a simulator is linked is controlled by
1579 # presence of a gdb_sim definition in the target configure.tgt entry.
1580 # This code just checks for a few cases where we'd like to ignore those
1581 # definitions, even when they're present in the '.mt' file. These cases
1582 # are when --disable-sim is specified, or if the simulator directory is
1583 # not part of the source tree.
1586 [ --enable-sim Link gdb with simulator],
1587 [echo "enable_sim = $enable_sim";
1588 echo "enableval = ${enableval}";
1589 case "${enableval}" in
1590 yes) ignore_sim=false ;;
1591 no) ignore_sim=true ;;
1592 *) ignore_sim=false ;;
1596 if test ! -d "${srcdir}/../sim"; then
1602 if test "${ignore_sim}" = "false"; then
1603 if test x"${gdb_sim}" != x ; then
1605 SIM_OBS="remote-sim.o"
1606 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
1612 AC_SUBST(ENABLE_CFLAGS)
1613 AC_SUBST(PROFILE_CFLAGS)
1615 AC_SUBST(CONFIG_OBS)
1616 AC_SUBST(CONFIG_DEPS)
1617 AC_SUBST(CONFIG_SRCS)
1618 AC_SUBST(CONFIG_ALL)
1619 AC_SUBST(CONFIG_CLEAN)
1620 AC_SUBST(CONFIG_INSTALL)
1621 AC_SUBST(CONFIG_UNINSTALL)
1623 # List of host floatformats.
1624 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
1625 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
1626 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
1628 # target_subdir is used by the testsuite to find the target libraries.
1630 if test "${host}" != "${target}"; then
1631 target_subdir="${target_alias}/"
1633 AC_SUBST(target_subdir)
1636 if test "${gdb_native}" = "yes"; then
1637 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1638 if test ! -f ${host_makefile_frag}; then
1639 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
1641 frags="$frags $host_makefile_frag"
1643 host_makefile_frag=/dev/null
1646 AC_SUBST_FILE(host_makefile_frag)
1650 if test "${gdb_native}" = "yes"; then
1651 # We pick this up from the host configuration file (.mh) because we
1652 # do not have a native configuration Makefile fragment.
1653 nativefile=`sed -n '
1654 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1655 ' ${host_makefile_frag}`
1659 if test x"${gdb_osabi}" != x ; then
1660 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
1661 [Define to the default OS ABI for this configuration.])
1664 # Enable multi-ice-gdb-server.
1665 AC_ARG_ENABLE(multi-ice,
1666 [ --enable-multi-ice build the multi-ice-gdb-server],
1670 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
1672 if test "x$enable_multi_ice" = xyes; then
1673 AC_CONFIG_SUBDIRS(multi-ice)
1676 # We only build gdbserver automatically in a native configuration.
1677 if test "$gdb_native" = "yes"; then
1678 AC_MSG_CHECKING(whether gdbserver is supported on this host)
1679 if test "x$build_gdbserver" = xyes; then
1681 AC_CONFIG_SUBDIRS(gdbserver)
1687 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
1688 # to an empty version.
1695 if test "${nativefile}" != ""; then
1697 case "${nativefile}" in
1698 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
1699 * ) GDB_NM_FILE="${nativefile}"
1701 files="${files} ${GDB_NM_FILE}"
1702 links="${links} nm.h"
1703 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
1707 AC_LINK_FILES($files, $links)
1709 dnl Check for exe extension set on certain hosts (e.g. Win32)
1712 dnl Detect the character set used by this host.
1714 dnl At the moment, we just assume it's ISO-8859-1 (which is a
1715 dnl superset of ASCII containing the characters needed for French,
1716 dnl German, Spanish, Italian, and possibly others), but if were
1717 dnl *were* to support any host character sets other than ISO-8859-1,
1718 dnl here's where we'd detect it.
1719 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "ISO-8859-1",
1720 [Define to be a string naming the default host character set.])
1724 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
1726 dnl Autoconf doesn't provide a mechanism for modifying definitions
1727 dnl provided by makefile fragments.
1731 sed -e '/^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1732 mv -f Makefile.tmp Makefile
1736 case x$CONFIG_HEADERS in
1737 xconfig.h:config.in)
1742 gdb_host_cpu=$gdb_host_cpu
1743 nativefile=$nativefile