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 # Provide defaults for some variables set by the per-host and per-target
96 gdb_host_obs=posix-hdep.o
98 if test "${target}" = "${host}"; then
104 . $srcdir/configure.host
106 . $srcdir/configure.tgt
108 # Fetch the default architecture and default target vector from BFD.
109 targ=$target; . $srcdir/../bfd/config.bfd
111 # We only want the first architecture, so strip off the others if
112 # there is more than one.
113 targ_archs=`echo $targ_archs | sed 's/ .*//'`
115 if test "x$targ_archs" != x; then
116 AC_DEFINE_UNQUOTED(DEFAULT_BFD_ARCH, $targ_archs,
117 [Define to BFD's default architecture. ])
119 if test "x$targ_defvec" != x; then
120 AC_DEFINE_UNQUOTED(DEFAULT_BFD_VEC, $targ_defvec,
121 [Define to BFD's default target vector. ])
126 # The CLI cannot be disabled yet, but may be in the future.
129 AC_ARG_ENABLE(gdbcli,
130 [ --disable-gdbcli disable command-line interface (CLI)],
135 AC_MSG_ERROR([the command-line interface cannot be disabled yet]) ;;
137 AC_MSG_ERROR([bad value $enableval for --enable-gdbcli]) ;;
140 if test x"$enable_gdbcli" = xyes; then
141 if test -d $srcdir/cli; then
142 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_CLI_OBS)"
143 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_CLI_DEPS)"
144 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_CLI_SRCS)"
145 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_CLI_CFLAGS)"
151 [ --disable-gdbmi disable machine-interface (MI)],
156 AC_MSG_ERROR([bad value $enableval for --enable-gdbmi]) ;;
159 if test x"$enable_gdbmi" = xyes; then
160 if test -d $srcdir/mi; then
161 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_MI_OBS)"
162 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_MI_DEPS)"
163 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_MI_SRCS)"
164 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_MI_CFLAGS)"
170 [ --enable-tui enable full-screen terminal user interface (TUI)],
175 AC_MSG_ERROR([bad value $enableval for --enable-tui]) ;;
176 esac],enable_tui=yes)
180 [ --enable-gdbtk enable gdbtk graphical user interface (GUI)],
185 AC_MSG_ERROR([bad value $enableval for --enable-gdbtk]) ;;
187 [if test -d $srcdir/gdbtk -a -d $srcdir/../itcl; then
192 # We unconditionally disable gdbtk tests on selected platforms.
195 AC_MSG_WARN([gdbtk isn't supported on $host; disabling])
200 AC_ARG_WITH(libunwind,
201 [ --with-libunwind Use libunwind frame unwinding support],
202 [case "${withval}" in
203 yes) enable_libunwind=yes ;;
204 no) enable_libunwind=no ;;
205 *) AC_MSG_ERROR(bad value ${withval} for GDB with-libunwind option) ;;
207 AC_CHECK_HEADERS(libunwind.h)
208 AC_CHECK_HEADERS(libunwind-ia64.h)
209 if test x"$ac_cv_header_libunwind_h" = xyes -a x"$ac_cv_header_libunwind_ia64_h" = xyes; then
210 enable_libunwind=yes;
214 if test x"$enable_libunwind" = xyes; then
215 AC_CHECK_HEADERS(libunwind.h)
216 AC_CHECK_HEADERS(libunwind-ia64.h)
217 AC_DEFINE(HAVE_LIBUNWIND, 1, [Define if libunwind library is being used.])
218 CONFIG_OBS="$CONFIG_OBS libunwind-frame.o"
219 CONFIG_DEPS="$CONFIG_DEPS libunwind-frame.o"
220 CONFIG_SRCS="$CONFIG_SRCS libunwind-frame.c"
224 AC_ARG_ENABLE(profiling,
225 [ --enable-profiling enable profiling of GDB],
230 AC_MSG_ERROR([bad value $enableval for --enable-profile]) ;;
232 [enable_profiling=no])
234 AC_CHECK_FUNCS(monstartup _mcleanup)
235 AC_CACHE_CHECK([for _etext], ac_cv_var__etext,
240 [free (&_etext);], ac_cv_var__etext=yes, ac_cv_var__etext=no)])
241 if test $ac_cv_var__etext = yes; then
242 AC_DEFINE(HAVE__ETEXT, 1,
243 [Define to 1 if your system has the _etext variable. ])
245 AC_CACHE_CHECK([for etext], ac_cv_var_etext,
250 [free (&etext);], ac_cv_var_etext=yes, ac_cv_var_etext=no)])
251 if test $ac_cv_var_etext = yes; then
252 AC_DEFINE(HAVE_ETEXT, 1,
253 [Define to 1 if your system has the etext variable. ])
255 if test "$enable_profiling" = yes ; then
256 if test $ac_cv_func_monstartup = no || test $ac_cv_func__mcleanup = no; then
257 AC_MSG_ERROR(--enable-profiling requires monstartup and _mcleanup)
261 CFLAGS="$CFLAGS $PROFILE_CFLAGS"
263 AC_CACHE_CHECK([whether $CC supports -pg], ac_cv_cc_supports_pg,
264 [AC_TRY_COMPILE([], [int x;], ac_cv_cc_supports_pg=yes,
265 ac_cv_cc_supports_pg=no)])
267 if test $ac_cv_cc_supports_pg = no; then
268 AC_MSG_ERROR(--enable-profiling requires a compiler which supports -pg)
274 # --------------------- #
275 # Checks for programs. #
276 # --------------------- #
284 AC_CHECK_TOOL(AR, ar)
285 AC_CHECK_TOOL(DLLTOOL, dlltool)
286 AC_CHECK_TOOL(WINDRES, windres)
288 # Needed for GNU/Hurd.
289 AC_CHECK_TOOL(MIG, mig)
291 # ---------------------- #
292 # Checks for libraries. #
293 # ---------------------- #
295 # We might need to link with -lm; most simulators need it.
296 AC_CHECK_LIB(m, main)
298 # We need to link with -lw to get `wctype' on Solaris before Solaris
299 # 2.6. Solaris 2.6 and beyond have this function in libc, and have a
300 # libw that some versions of the GNU linker cannot hanle (GNU ld 2.9.1
301 # is known to have this problem). Therefore we avoid libw if we can.
302 AC_CHECK_FUNC(wctype, [],
303 [AC_CHECK_LIB(w, wctype)])
305 # Some systems (e.g. Solaris) have `gethostbyname' in libnsl.
306 AC_SEARCH_LIBS(gethostbyname, nsl)
308 # Some systems (e.g. Solaris) have `socketpair' in libsocket.
309 AC_SEARCH_LIBS(socketpair, socket)
311 # For the TUI, we need enhanced curses functionality.
313 # FIXME: kettenis/20040905: We prefer ncurses over the vendor-supplied
314 # curses library because the latter might not provide all the
315 # functionality we need. However, this leads to problems on systems
316 # where the linker searches /usr/local/lib, but the compiler doesn't
317 # search /usr/local/include, if ncurses is installed in /usr/local. A
318 # default installation of ncurses on alpha*-dec-osf* will lead to such
320 AC_SEARCH_LIBS(waddstr, [ncurses cursesX curses])
322 # On HP/UX we may need libxpdl for dlgetmodinfo (used by solib-pa64.c).
323 AC_SEARCH_LIBS(dlgetmodinfo, [dl xpdl])
325 # Since GDB uses Readline, we need termcap functionality. In many
326 # cases this will be provided by the curses library, but some systems
327 # have a seperate termcap library, or no curses library at all.
331 if test -d $srcdir/libtermcap; then
332 LIBS="../libtermcap/libtermcap.a $LIBS"
333 ac_cv_search_tgetent="../libtermcap/libtermcap.a"
336 ac_cv_search_tgetent="none required"
339 ac_cv_search_tgetent="none required"
340 CONFIG_OBS="$CONFIG_OBS win32-termcap.o"
344 # These are the libraries checked by Readline.
345 AC_SEARCH_LIBS(tgetent, [termcap tinfo curses ncurses])
347 if test "$ac_cv_search_tgetent" = no; then
348 AC_MSG_ERROR([no termcap library found])
351 AC_ARG_WITH([system-readline],
352 [AS_HELP_STRING([--with-system-readline],
353 [use installed readline library])])
355 if test "$with_system_readline" = yes; then
360 READLINE='$(READLINE_DIR)/libreadline.a'
361 READLINE_DEPS='$(READLINE)'
362 READLINE_CFLAGS='-I$(READLINE_SRC)/..'
365 AC_SUBST(READLINE_DEPS)
366 AC_SUBST(READLINE_CFLAGS)
369 AS_HELP_STRING([--with-expat], [include expat support (auto/yes/no)]),
370 [], [with_expat=auto])
371 AC_MSG_CHECKING([whether to use expat])
372 AC_MSG_RESULT([$with_expat])
374 if test "${with_expat}" = no; then
375 AC_MSG_WARN([expat support disabled; some features may be unavailable.])
378 AC_LIB_HAVE_LINKFLAGS([expat], [], [#include "expat.h"],
379 [XML_Parser p = XML_ParserCreate (0);])
380 if test "$HAVE_LIBEXPAT" != yes; then
381 if test "$with_expat" = yes; then
382 AC_MSG_ERROR([expat is missing or unusable])
384 AC_MSG_WARN([expat is missing or unusable; some features may be unavailable.])
388 LIBS="$LIBS $LIBEXPAT"
389 AC_CHECK_FUNCS(XML_StopParser)
394 # ------------------------- #
395 # Checks for header files. #
396 # ------------------------- #
401 AC_CHECK_HEADERS(nlist.h)
402 AC_CHECK_HEADERS(link.h, [], [],
403 [#if HAVE_SYS_TYPES_H
404 # include <sys/types.h>
410 AC_CHECK_HEADERS(machine/reg.h)
411 AC_CHECK_HEADERS(poll.h sys/poll.h)
412 AC_CHECK_HEADERS(proc_service.h thread_db.h gnu/libc-version.h)
413 AC_CHECK_HEADERS(signal.h)
414 AC_CHECK_HEADERS(stddef.h)
415 AC_CHECK_HEADERS(stdlib.h)
416 AC_CHECK_HEADERS(stdint.h)
417 AC_CHECK_HEADERS(string.h memory.h strings.h)
418 AC_CHECK_HEADERS(sys/fault.h)
419 AC_CHECK_HEADERS(sys/file.h)
420 AC_CHECK_HEADERS(sys/filio.h)
421 AC_CHECK_HEADERS(sys/ioctl.h)
422 AC_CHECK_HEADERS(sys/param.h)
423 AC_CHECK_HEADERS(sys/resource.h)
424 AC_CHECK_HEADERS(sys/proc.h, [], [],
425 [#if HAVE_SYS_PARAM_H
426 # include <sys/param.h>
429 AC_CHECK_HEADERS(sys/procfs.h)
430 AC_CHECK_HEADERS(sys/ptrace.h ptrace.h)
431 AC_CHECK_HEADERS(sys/reg.h sys/debugreg.h)
432 AC_CHECK_HEADERS(sys/select.h)
433 AC_CHECK_HEADERS(sys/syscall.h)
434 AC_CHECK_HEADERS(sys/types.h)
435 AC_CHECK_HEADERS(sys/user.h, [], [],
436 [#if HAVE_SYS_PARAM_H
437 # include <sys/param.h>
440 AC_CHECK_HEADERS(sys/wait.h wait.h)
441 AC_CHECK_HEADERS(termios.h termio.h sgtty.h)
442 AC_CHECK_HEADERS(unistd.h)
444 # On Solaris 2.[789], we need to define _MSE_INT_H to avoid a clash
445 # between <widec.h> and <wchar.h> that would cause AC_CHECK_HEADERS to
446 # think that we don't have <curses.h> if we're using GCC.
449 if test "$GCC" = yes; then
450 AC_DEFINE(_MSE_INT_H, 1,
451 [Define to 1 to avoid a clash between <widec.h> and <wchar.h> on
452 Solaris 2.[789] when using GCC. ])
455 AC_CHECK_HEADERS(curses.h cursesX.h ncurses.h ncurses/ncurses.h)
456 AC_CHECK_HEADERS(ncurses/term.h)
457 AC_CHECK_HEADERS(term.h, [], [],
463 # Check for HP/UX 64-bit shared library support
464 AC_CHECK_HEADERS(elf_hp.h)
466 # FIXME: kettenis/20030102: In most cases we include these
467 # unconditionally, so what's the point in checking these?
468 AC_CHECK_HEADERS(ctype.h time.h)
470 # Create a header we can use portably to get the standard integer types.
471 GCC_HEADER_STDINT(gdb_stdint.h)
473 # ------------------------- #
474 # Checks for declarations. #
475 # ------------------------- #
477 AC_CHECK_DECLS([free, malloc, realloc])
478 AC_CHECK_DECLS([strerror, strstr])
479 AC_CHECK_DECLS([getopt, snprintf, vsnprintf])
481 # ----------------------- #
482 # Checks for structures. #
483 # ----------------------- #
485 AC_CHECK_MEMBERS([struct stat.st_blocks])
486 AC_CHECK_MEMBERS([struct stat.st_blksize])
488 # ------------------ #
489 # Checks for types. #
490 # ------------------ #
493 AC_CHECK_TYPES(socklen_t, [], [],
494 [#include <sys/types.h>
495 #include <sys/socket.h>
497 AC_CHECK_TYPES(uintptr_t, [], [], [#include <stdint.h>])
499 # ------------------------------------- #
500 # Checks for compiler characteristics. #
501 # ------------------------------------- #
507 # ------------------------------ #
508 # Checks for library functions. #
509 # ------------------------------ #
514 AC_CHECK_FUNCS(canonicalize_file_name realpath)
515 AC_CHECK_FUNCS(getrusage)
516 AC_CHECK_FUNCS(getuid getgid)
518 AC_CHECK_FUNCS(pread64)
520 AC_CHECK_FUNCS(setpgid setpgrp)
521 AC_CHECK_FUNCS(sigaction sigprocmask sigsetmask)
522 AC_CHECK_FUNCS(socketpair)
523 AC_CHECK_FUNCS(syscall)
524 AC_CHECK_FUNCS(ttrace)
525 AC_CHECK_FUNCS(wborder)
527 # Check the return and argument types of ptrace. No canned test for
528 # this, so roll our own.
531 # include <sys/types.h>
533 #if HAVE_SYS_PTRACE_H
534 # include <sys/ptrace.h>
540 # There is no point in checking if we don't have a prototype.
541 AC_CHECK_DECLS(ptrace, [], [
542 : ${gdb_cv_func_ptrace_ret='int'}
543 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
544 ], $gdb_ptrace_headers)
546 AC_CACHE_CHECK([return type of ptrace], gdb_cv_func_ptrace_ret,
547 AC_TRY_COMPILE($gdb_ptrace_headers,
548 [extern int ptrace ();],
549 gdb_cv_func_ptrace_ret='int',
550 gdb_cv_func_ptrace_ret='long'))
551 AC_DEFINE_UNQUOTED(PTRACE_TYPE_RET, $gdb_cv_func_ptrace_ret,
552 [Define as the return type of ptrace.])
553 # Check argument types.
554 AC_CACHE_CHECK([types of arguments for ptrace], gdb_cv_func_ptrace_args, [
555 for gdb_arg1 in 'int' 'long'; do
556 for gdb_arg2 in 'pid_t' 'int' 'long'; do
557 for gdb_arg3 in 'int *' 'caddr_t' 'int' 'long'; do
558 for gdb_arg4 in 'int' 'long'; do
559 AC_TRY_COMPILE($gdb_ptrace_headers, [
560 extern $gdb_cv_func_ptrace_ret
561 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4);
562 ], [gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4";
564 for gdb_arg5 in 'int *' 'int' 'long'; do
565 AC_TRY_COMPILE($gdb_ptrace_headers, [
566 extern $gdb_cv_func_ptrace_ret
567 ptrace ($gdb_arg1, $gdb_arg2, $gdb_arg3, $gdb_arg4, $gdb_arg5);
569 gdb_cv_func_ptrace_args="$gdb_arg1,$gdb_arg2,$gdb_arg3,$gdb_arg4,$gdb_arg5";
576 # Provide a safe default value.
577 : ${gdb_cv_func_ptrace_args='int,int,long,long'}
579 ac_save_IFS=$IFS; IFS=','
580 set dummy `echo "$gdb_cv_func_ptrace_args" | sed 's/\*/\*/g'`
583 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG3, $[3],
584 [Define to the type of arg 3 for ptrace.])
585 if test -n "$[5]"; then
586 AC_DEFINE_UNQUOTED(PTRACE_TYPE_ARG5, $[5],
587 [Define to the type of arg 5 for ptrace.])
590 dnl AC_FUNC_SETPGRP does not work when cross compiling
591 dnl Instead, assume we will have a prototype for setpgrp if cross compiling.
592 if test "$cross_compiling" = no; then
595 AC_CACHE_CHECK([whether setpgrp takes no argument], ac_cv_func_setpgrp_void,
599 if (setpgrp(1,1) == -1)
603 ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes)])
604 if test $ac_cv_func_setpgrp_void = yes; then
605 AC_DEFINE(SETPGRP_VOID, 1)
609 # Check if sigsetjmp is available. Using AC_CHECK_FUNCS won't do
610 # since sigsetjmp might only be defined as a macro.
611 AC_CACHE_CHECK([for sigsetjmp], gdb_cv_func_sigsetjmp,
614 ], [sigjmp_buf env; while (! sigsetjmp (env, 1)) siglongjmp (env, 1);],
615 gdb_cv_func_sigsetjmp=yes, gdb_cv_func_sigsetjmp=no)])
616 if test $gdb_cv_func_sigsetjmp = yes; then
617 AC_DEFINE(HAVE_SIGSETJMP, 1, [Define if sigsetjmp is available. ])
620 # Assume we'll default to using the included libiberty regex.
621 gdb_use_included_regex=yes
623 # However, if the system regex is GNU regex, then default to *not*
624 # using the included regex.
627 [gdb_cv_have_gnu_regex],
629 [#include <gnu-versions.h>],
630 [#define REGEX_INTERFACE_VERSION 1
631 #if _GNU_REGEX_INTERFACE_VERSION != REGEX_INTERFACE_VERSION
632 # error "Version mismatch"
634 gdb_cv_have_gnu_regex=yes,
635 gdb_cv_have_gnu_regex=no)])
636 if test $gdb_cv_have_gnu_regex = yes; then
637 gdb_use_included_regex=no
640 AC_ARG_WITH(included-regex,
641 [ --without-included-regex don't use included regex; this is the default
642 on systems with version 2 of the GNU C library
643 (use with caution on other system)],
644 gdb_with_regex=$withval,
645 gdb_with_regex=$gdb_use_included_regex)
646 if test "$gdb_with_regex" = yes; then
647 AC_DEFINE(USE_INCLUDED_REGEX, 1,
648 [Define to 1 if the regex included in libiberty should be used.])
651 # Check if <sys/proc.h> defines `struct thread' with a td_pcb member.
652 AC_CHECK_MEMBERS([struct thread.td_pcb], [], [],
653 [#include <sys/param.h>
654 #include <sys/proc.h>
657 # See if <sys/lwp.h> defines `struct lwp`.
658 AC_CACHE_CHECK([for struct lwp], gdb_cv_struct_lwp,
659 [AC_TRY_COMPILE([#include <sys/param.h>
660 #include <sys/lwp.h>], [struct lwp l;],
661 gdb_cv_struct_lwp=yes, gdb_cv_struct_lwp=no)])
662 if test $gdb_cv_struct_lwp = yes; then
663 AC_DEFINE(HAVE_STRUCT_LWP, 1,
664 [Define to 1 if your system has struct lwp.])
667 # See if <machine/reg.h> degines `struct reg'.
668 AC_CACHE_CHECK([for struct reg in machine/reg.h], gdb_cv_struct_reg,
669 [AC_TRY_COMPILE([#include <sys/types.h>
670 #include <machine/reg.h>], [struct reg r;],
671 gdb_cv_struct_reg=yes, gdb_cv_struct_reg=no)])
672 if test $gdb_cv_struct_reg = yes; then
673 AC_DEFINE(HAVE_STRUCT_REG, 1,
674 [Define to 1 if your system has struct reg in <machine/reg.h>.])
677 # See if <machine/reg.h> supports the %fs and %gs i386 segment registers.
678 # Older i386 BSD's don't have the r_fs and r_gs members of `struct reg'.
679 AC_CHECK_MEMBERS([struct reg.r_fs, struct reg.r_gs], [], [],
680 [#include <machine/reg.h>])
682 # See if <sys/ptrace.h> provides the PTRACE_GETREGS request.
683 AC_MSG_CHECKING(for PTRACE_GETREGS)
684 AC_CACHE_VAL(gdb_cv_have_ptrace_getregs,
685 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
687 [gdb_cv_have_ptrace_getregs=yes],
688 [gdb_cv_have_ptrace_getregs=no])])
689 AC_MSG_RESULT($gdb_cv_have_ptrace_getregs)
690 if test $gdb_cv_have_ptrace_getregs = yes; then
691 AC_DEFINE(HAVE_PTRACE_GETREGS, 1,
692 [Define if sys/ptrace.h defines the PTRACE_GETREGS request.])
695 # See if <sys/ptrace.h> provides the PTRACE_GETFPXREGS request.
696 AC_MSG_CHECKING(for PTRACE_GETFPXREGS)
697 AC_CACHE_VAL(gdb_cv_have_ptrace_getfpxregs,
698 [AC_TRY_COMPILE([#include <sys/ptrace.h>],
699 [PTRACE_GETFPXREGS;],
700 [gdb_cv_have_ptrace_getfpxregs=yes],
701 [gdb_cv_have_ptrace_getfpxregs=no])])
702 AC_MSG_RESULT($gdb_cv_have_ptrace_getfpxregs)
703 if test $gdb_cv_have_ptrace_getfpxregs = yes; then
704 AC_DEFINE(HAVE_PTRACE_GETFPXREGS, 1,
705 [Define if sys/ptrace.h defines the PTRACE_GETFPXREGS request.])
708 # See if <sys/ptrace.h> provides the PT_GETDBREGS request.
709 AC_MSG_CHECKING(for PT_GETDBREGS)
710 AC_CACHE_VAL(gdb_cv_have_pt_getdbregs,
711 [AC_TRY_COMPILE([#include <sys/types.h>
712 #include <sys/ptrace.h>],
714 [gdb_cv_have_pt_getdbregs=yes],
715 [gdb_cv_have_pt_getdbregs=no])])
716 AC_MSG_RESULT($gdb_cv_have_pt_getdbregs)
717 if test $gdb_cv_have_pt_getdbregs = yes; then
718 AC_DEFINE(HAVE_PT_GETDBREGS, 1,
719 [Define if sys/ptrace.h defines the PT_GETDBREGS request.])
722 # See if <sys/ptrace.h> provides the PT_GETXMMREGS request.
723 AC_MSG_CHECKING(for PT_GETXMMREGS)
724 AC_CACHE_VAL(gdb_cv_have_pt_getxmmregs,
725 [AC_TRY_COMPILE([#include <sys/types.h>
726 #include <sys/ptrace.h>],
728 [gdb_cv_have_pt_getxmmregs=yes],
729 [gdb_cv_have_pt_getxmmregs=no])])
730 AC_MSG_RESULT($gdb_cv_have_pt_getxmmregs)
731 if test $gdb_cv_have_pt_getxmmregs = yes; then
732 AC_DEFINE(HAVE_PT_GETXMMREGS, 1,
733 [Define if sys/ptrace.h defines the PT_GETXMMREGS request.])
736 # Detect which type of /proc is in use, such as for Unixware or Solaris.
738 if test "${target}" = "${host}"; then
740 *-*-unixware* | *-*-sysv4.2* | *-*-sysv5* | *-*-interix* )
741 AC_DEFINE(NEW_PROC_API, 1,
742 [Define if you want to use new multi-fd /proc interface
743 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
745 *-*-solaris2.[[6789]] | *-*-solaris2.1[[0-9]])
746 AC_DEFINE(NEW_PROC_API, 1,
747 [Define if you want to use new multi-fd /proc interface
748 (replaces HAVE_MULTIPLE_PROC_FDS as well as other macros).])
751 # Work around <sys/proc.h> needing _KMEMUSER problem on IRIX 5.
752 AC_DEFINE([_KMEMUSER], 1,
753 [Define to 1 so <sys/proc.h> gets a definition of anon_hdl. Works
754 around a <sys/proc.h> problem on IRIX 5.])
759 if test "$ac_cv_header_sys_procfs_h" = yes; then
760 BFD_HAVE_SYS_PROCFS_TYPE(pstatus_t)
761 BFD_HAVE_SYS_PROCFS_TYPE(prrun_t)
762 BFD_HAVE_SYS_PROCFS_TYPE(gregset_t)
763 BFD_HAVE_SYS_PROCFS_TYPE(fpregset_t)
764 BFD_HAVE_SYS_PROCFS_TYPE(prgregset_t)
765 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset_t)
766 BFD_HAVE_SYS_PROCFS_TYPE(prgregset32_t)
767 BFD_HAVE_SYS_PROCFS_TYPE(prfpregset32_t)
768 BFD_HAVE_SYS_PROCFS_TYPE(lwpid_t)
769 BFD_HAVE_SYS_PROCFS_TYPE(psaddr_t)
770 BFD_HAVE_SYS_PROCFS_TYPE(prsysent_t)
771 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigset_t)
772 BFD_HAVE_SYS_PROCFS_TYPE(pr_sigaction64_t)
773 BFD_HAVE_SYS_PROCFS_TYPE(pr_siginfo64_t)
776 dnl Check for broken prfpregset_t type
778 dnl For Linux/i386, glibc 2.1.3 was released with a bogus
779 dnl prfpregset_t type (it's a typedef for the pointer to a struct
780 dnl instead of the struct itself). We detect this here, and work
781 dnl around it in gdb_proc_service.h.
783 if test $bfd_cv_have_sys_procfs_type_prfpregset_t = yes; then
784 AC_MSG_CHECKING(whether prfpregset_t type is broken)
785 AC_CACHE_VAL(gdb_cv_prfpregset_t_broken,
786 [AC_TRY_RUN([#include <sys/procfs.h>
789 if (sizeof (prfpregset_t) == sizeof (void *))
793 gdb_cv_prfpregset_t_broken=no,
794 gdb_cv_prfpregset_t_broken=yes,
795 gdb_cv_prfpregset_t_broken=yes)])
796 AC_MSG_RESULT($gdb_cv_prfpregset_t_broken)
797 if test $gdb_cv_prfpregset_t_broken = yes; then
798 AC_DEFINE(PRFPREGSET_T_BROKEN, 1,
799 [Define if the prfpregset_t type is broken.])
803 dnl Check for PIOCSET ioctl entry
805 AC_MSG_CHECKING(for PIOCSET ioctl entry in sys/procfs.h)
806 AC_CACHE_VAL(gdb_cv_have_procfs_piocset,
807 [AC_TRY_COMPILE([#include <unistd.h>
808 #include <sys/types.h>
809 #include <sys/procfs.h>
812 dummy = ioctl(0, PIOCSET, &dummy);
814 gdb_cv_have_procfs_piocset=yes, gdb_cv_have_procfs_piocset=no)])
815 AC_MSG_RESULT($gdb_cv_have_procfs_piocset)
816 if test $gdb_cv_have_procfs_piocset = yes; then
817 AC_DEFINE(HAVE_PROCFS_PIOCSET, 1,
818 [Define if ioctl argument PIOCSET is available.])
822 dnl For native ports (host == target), check to see what kind of
823 dnl legacy link.h support is needed. (See solib-legacy.c.)
824 if test ${host} = ${target} ; then
825 dnl Check for struct link_map with l_ members which are indicative
826 dnl of SVR4-like shared libraries
828 AC_MSG_CHECKING(for member l_addr in struct link_map)
829 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_l_members,
830 [AC_TRY_COMPILE([#include <link.h>],
831 [struct link_map lm; (void) lm.l_addr;],
832 gdb_cv_have_struct_link_map_with_l_members=yes,
833 gdb_cv_have_struct_link_map_with_l_members=no)])
834 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_l_members)
835 if test $gdb_cv_have_struct_link_map_with_l_members = yes; then
836 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_L_MEMBERS,1,
837 [Define if <link.h> exists and defines struct link_map which has
838 members with an ``l_'' prefix. (For Solaris, SVR4, and
839 SVR4-like systems.)])
842 dnl Check for struct link_map with lm_ members which are indicative
843 dnl of SunOS-like shared libraries
845 AC_MSG_CHECKING(for member lm_addr in struct link_map)
846 AC_CACHE_VAL(gdb_cv_have_struct_link_map_with_lm_members,
847 [AC_TRY_COMPILE([#include <sys/types.h>
849 [struct link_map lm; (void) lm.lm_addr;],
850 gdb_cv_have_struct_link_map_with_lm_members=yes,
851 gdb_cv_have_struct_link_map_with_lm_members=no)])
852 AC_MSG_RESULT($gdb_cv_have_struct_link_map_with_lm_members)
853 if test $gdb_cv_have_struct_link_map_with_lm_members = yes; then
854 AC_DEFINE(HAVE_STRUCT_LINK_MAP_WITH_LM_MEMBERS, 1,
855 [Define if <link.h> exists and defines struct link_map which has
856 members with an ``lm_'' prefix. (For SunOS.)])
859 dnl Check for struct so_map with som_ members which are found on
860 dnl some *BSD systems.
862 AC_MSG_CHECKING(for member som_addr in struct so_map)
863 AC_CACHE_VAL(gdb_cv_have_struct_so_map_with_som_members,
864 [AC_TRY_COMPILE([#include <sys/types.h>
869 [struct so_map lm; (void) lm.som_addr;],
870 gdb_cv_have_struct_so_map_with_som_members=yes,
871 gdb_cv_have_struct_so_map_with_som_members=no)])
872 AC_MSG_RESULT($gdb_cv_have_struct_so_map_with_som_members)
873 if test $gdb_cv_have_struct_so_map_with_som_members = yes; then
874 AC_DEFINE(HAVE_STRUCT_SO_MAP_WITH_SOM_MEMBERS, 1,
875 [Define if <link.h> exists and defines a struct so_map which has
876 members with an ``som_'' prefix. (Found on older *BSD systems.)])
879 dnl Check for struct link_map32 type, which allows a 64-bit Solaris
880 dnl debugger to debug a 32-bit Solaris app with 32-bit shared libraries.
882 AC_MSG_CHECKING(for struct link_map32 in sys/link.h)
883 AC_CACHE_VAL(gdb_cv_have_struct_link_map32,
884 [AC_TRY_COMPILE([#define _SYSCALL32
885 #include <sys/link.h>], [struct link_map32 l;],
886 gdb_cv_have_struct_link_map32=yes,
887 gdb_cv_have_struct_link_map32=no)])
888 AC_MSG_RESULT($gdb_cv_have_struct_link_map32)
889 if test $gdb_cv_have_struct_link_map32 = yes; then
890 AC_DEFINE(HAVE_STRUCT_LINK_MAP32, 1,
891 [Define if <sys/link.h> has struct link_map32])
892 AC_DEFINE(_SYSCALL32, 1,
893 [Define if <sys/link.h> has link_map32 (solaris sparc-64 target)])
897 # Check if the compiler supports the `long long' type.
899 AC_CACHE_CHECK([for long long support in compiler], gdb_cv_c_long_long,
900 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
901 [[extern long long foo;]],
902 [[switch (foo & 2) { case 0: return 1; }]])],
903 gdb_cv_c_long_long=yes,
904 gdb_cv_c_long_long=no)])
905 if test $gdb_cv_c_long_long = yes; then
906 AC_DEFINE(CC_HAS_LONG_LONG, 1,
907 [Define to 1 if the compiler supports long long.])
910 # Check if the compiler and runtime support printing long longs.
912 AC_CACHE_CHECK([for long long support in printf],
913 gdb_cv_printf_has_long_long,
914 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
917 l = (l << 16) + 0x0123;
918 l = (l << 16) + 0x4567;
919 l = (l << 16) + 0x89ab;
920 l = (l << 16) + 0xcdef;
921 sprintf (buf, "0x%016llx", l);
922 return (strcmp ("0x0123456789abcdef", buf));]])],
923 gdb_cv_printf_has_long_long=yes,
924 gdb_cv_printf_has_long_long=no,
925 gdb_cv_printf_has_long_long=no)])
926 if test $gdb_cv_printf_has_long_long = yes; then
927 AC_DEFINE(PRINTF_HAS_LONG_LONG, 1,
928 [Define to 1 if the "%ll" format works to print long longs.])
931 # Check if the compiler and runtime support printing decfloats.
933 AC_CACHE_CHECK([for decfloat support in printf],
934 gdb_cv_printf_has_decfloat,
935 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
937 _Decimal32 d32 = 1.2345df;
938 _Decimal64 d64 = 1.2345dd;
939 _Decimal128 d128 = 1.2345dl;
940 sprintf (buf, "Decimal32: %H\nDecimal64: %D\nDecimal128: %DD", d32, d64, d128);
941 return (strcmp ("Decimal32: 1.2345\nDecimal64: 1.2345\nDecimal128: 1.2345", buf));]])],
942 gdb_cv_printf_has_decfloat=yes,
943 gdb_cv_printf_has_decfloat=no,
944 gdb_cv_printf_has_decfloat=no)])
945 if test $gdb_cv_printf_has_decfloat = yes; then
946 AC_DEFINE(PRINTF_HAS_DECFLOAT, 1,
947 [Define to 1 if the "%H, %D and %DD" formats work to print decfloats.])
950 # Check if the compiler supports the `long double' type. We can't use
951 # AC_C_LONG_DOUBLE because that one does additional checks on the
952 # constants defined in <float.h> that fail on some systems,
953 # e.g. FreeBSD/i386 4.7 and OpenBSD/i386 3.6.
955 AC_CACHE_CHECK([for long double support in compiler], gdb_cv_c_long_double,
956 [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[long double foo;]])],
957 gdb_cv_c_long_double=yes,
958 gdb_cv_c_long_double=no)])
959 if test $gdb_cv_c_long_double = yes; then
960 AC_DEFINE(HAVE_LONG_DOUBLE, 1,
961 [Define to 1 if the compiler supports long double.])
964 # Check if the compiler and runtime support printing long doubles.
966 AC_CACHE_CHECK([for long double support in printf],
967 gdb_cv_printf_has_long_double,
968 [AC_RUN_IFELSE([AC_LANG_PROGRAM([AC_INCLUDES_DEFAULT],
970 long double f = 3.141592653;
971 sprintf (buf, "%Lg", f);
972 return (strncmp ("3.14159", buf, 7));]])],
973 gdb_cv_printf_has_long_double=yes,
974 gdb_cv_printf_has_long_double=no,
975 gdb_cv_printf_has_long_double=no)])
976 if test $gdb_cv_printf_has_long_double = yes; then
977 AC_DEFINE(PRINTF_HAS_LONG_DOUBLE, 1,
978 [Define to 1 if the "%Lg" format works to print long doubles.])
981 # Check if the compiler and runtime support scanning long doubles.
983 AC_CACHE_CHECK([for long double support in scanf],
984 gdb_cv_scanf_has_long_double,
985 [AC_RUN_IFELSE([AC_LANG_PROGRAM(
986 [[#include <stdio.h>]],
987 [[char *buf = "3.141592653";
989 sscanf (buf, "%Lg", &f);
990 return !(f > 3.14159 && f < 3.14160);]])],
991 gdb_cv_scanf_has_long_double=yes,
992 gdb_cv_scanf_has_long_double=no,
993 gdb_cv_scanf_has_long_double=no)])
994 if test $gdb_cv_scanf_has_long_double = yes; then
995 AC_DEFINE(SCANF_HAS_LONG_DOUBLE, 1,
996 [Define to 1 if the "%Lg" format works to scan long doubles.])
1001 AC_CACHE_CHECK([for -bbigtoc option], [gdb_cv_bigtoc], [
1002 SAVE_LDFLAGS=$LDFLAGS
1005 yes) gdb_cv_bigtoc=-Wl,-bbigtoc ;;
1006 *) gdb_cv_bigtoc=-bbigtoc ;;
1009 LDFLAGS=$LDFLAGS\ $gdb_cv_bigtoc
1010 AC_TRY_LINK([], [int i;], [], [gdb_cv_bigtoc=])
1011 LDFLAGS="${SAVE_LDFLAGS}"
1013 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} ${gdb_cv_bigtoc}"
1018 dnl For certain native configurations, we need to check whether thread
1019 dnl support can be built in or not.
1021 dnl Note that we only want this if we are both native (host == target),
1022 dnl and not doing a canadian cross build (build == host).
1024 if test ${build} = ${host} -a ${host} = ${target} ; then
1027 AC_MSG_CHECKING(for HPUX/OSF thread support)
1028 if test -f /usr/include/dce/cma_config.h ; then
1029 if test "$GCC" = "yes" ; then
1031 AC_DEFINE(HAVE_HPUX_THREAD_SUPPORT, 1,
1032 [Define if you have HPUX threads])
1033 CONFIG_OBS="${CONFIG_OBS} hpux-thread.o"
1034 CONFIG_SRCS="${CONFIG_SRCS} hpux-thread.c"
1036 AC_MSG_RESULT(no (suppressed because you are not using GCC))
1043 # See if thread_db library is around for Solaris thread debugging.
1044 # Note that we must explicitly test for version 1 of the library
1045 # because version 0 (present on Solaris 2.4 or earlier) doesn't have
1047 AC_MSG_CHECKING(for Solaris thread debugging library)
1048 if test -f /usr/lib/libthread_db.so.1 ; then
1050 AC_DEFINE(HAVE_THREAD_DB_LIB, 1,
1051 [Define if using Solaris thread debugging.])
1052 CONFIG_OBS="${CONFIG_OBS} sol-thread.o"
1053 CONFIG_SRCS="${CONFIG_SRCS} sol-thread.c"
1054 AC_CHECK_LIB(dl, dlopen)
1055 if test "$GCC" = "yes" ; then
1056 # The GNU linker requires the -export-dynamic option to make
1057 # all symbols visible in the dynamic symbol table.
1058 hold_ldflags=$LDFLAGS
1059 AC_MSG_CHECKING(for the ld -export-dynamic flag)
1060 LDFLAGS="${LDFLAGS} -Wl,-export-dynamic"
1061 AC_TRY_LINK(, [int i;], found=yes, found=no)
1062 LDFLAGS=$hold_ldflags
1063 AC_MSG_RESULT($found)
1064 if test $found = yes; then
1065 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -Wl,-export-dynamic"
1068 # Sun randomly tweaked the prototypes in <proc_service.h>
1070 AC_MSG_CHECKING(if <proc_service.h> is old)
1071 AC_CACHE_VAL(gdb_cv_proc_service_is_old,[
1073 #include <proc_service.h>
1075 (struct ps_prochandle*, psaddr_t, const void*, size_t);
1076 ],, gdb_cv_proc_service_is_old=no,
1077 gdb_cv_proc_service_is_old=yes)
1079 AC_MSG_RESULT($gdb_cv_proc_service_is_old)
1080 if test $gdb_cv_proc_service_is_old = yes; then
1081 AC_DEFINE(PROC_SERVICE_IS_OLD, 1,
1082 [Define if <proc_service.h> on solaris uses int instead of
1083 size_t, and assorted other type changes.])
1090 AC_MSG_CHECKING(for AiX thread debugging library)
1091 AC_CACHE_VAL(gdb_cv_have_aix_thread_debug,
1092 [AC_TRY_COMPILE([#include <sys/pthdebug.h>],
1093 [#ifndef PTHDB_VERSION_3
1096 gdb_cv_have_aix_thread_debug=yes,
1097 gdb_cv_have_aix_thread_debug=no)])
1098 AC_MSG_RESULT($gdb_cv_have_aix_thread_debug)
1099 if test $gdb_cv_have_aix_thread_debug = yes; then
1100 CONFIG_SRCS="${CONFIG_SRCS} aix-thread.c"
1101 CONFIG_OBS="${CONFIG_OBS} aix-thread.o"
1102 CONFIG_LDFLAGS="${CONFIG_LDFLAGS} -lpthdebug"
1106 AC_SUBST(CONFIG_LDFLAGS)
1109 dnl See if we have a thread_db header file that has TD_NOTALLOC and
1110 dnl other error codes.
1111 if test "x$ac_cv_header_thread_db_h" = "xyes"; then
1112 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTALLOC],
1113 gdb_cv_thread_db_h_has_td_notalloc,
1115 [#include <thread_db.h>],
1116 [int i = TD_NOTALLOC;],
1117 gdb_cv_thread_db_h_has_td_notalloc=yes,
1118 gdb_cv_thread_db_h_has_td_notalloc=no
1121 AC_CACHE_CHECK([whether <thread_db.h> has TD_VERSION],
1122 gdb_cv_thread_db_h_has_td_version,
1124 [#include <thread_db.h>],
1125 [int i = TD_VERSION;],
1126 gdb_cv_thread_db_h_has_td_version=yes,
1127 gdb_cv_thread_db_h_has_td_version=no
1130 AC_CACHE_CHECK([whether <thread_db.h> has TD_NOTLS],
1131 gdb_cv_thread_db_h_has_td_notls,
1133 [#include <thread_db.h>],
1134 [int i = TD_NOTLS;],
1135 gdb_cv_thread_db_h_has_td_notls=yes,
1136 gdb_cv_thread_db_h_has_td_notls=no
1140 if test "x$gdb_cv_thread_db_h_has_td_notalloc" = "xyes"; then
1141 AC_DEFINE(THREAD_DB_HAS_TD_NOTALLOC, 1,
1142 [Define if <thread_db.h> has the TD_NOTALLOC error code.])
1144 if test "x$gdb_cv_thread_db_h_has_td_version" = "xyes"; then
1145 AC_DEFINE(THREAD_DB_HAS_TD_VERSION, 1,
1146 [Define if <thread_db.h> has the TD_VERSION error code.])
1148 if test "x$gdb_cv_thread_db_h_has_td_notls" = "xyes"; then
1149 AC_DEFINE(THREAD_DB_HAS_TD_NOTLS, 1,
1150 [Define if <thread_db.h> has the TD_NOTLS error code.])
1153 dnl See if we have a sys/syscall header file that has __NR_tkill.
1154 if test "x$ac_cv_header_sys_syscall_h" = "xyes"; then
1155 AC_CACHE_CHECK([whether <sys/syscall.h> has __NR_tkill],
1156 gdb_cv_sys_syscall_h_has_tkill,
1158 [#include <sys/syscall.h>],
1159 [int i = __NR_tkill;],
1160 gdb_cv_sys_syscall_h_has_tkill=yes,
1161 gdb_cv_sys_syscall_h_has_tkill=no
1165 dnl See if we can issue tkill syscall.
1166 if test "x$gdb_cv_sys_syscall_h_has_tkill" = "xyes" && test "x$ac_cv_func_syscall" = "xyes"; then
1167 AC_DEFINE(HAVE_TKILL_SYSCALL, 1, [Define if you support the tkill syscall.])
1170 dnl Handle optional features that can be enabled.
1172 AC_ARG_WITH(sysroot,
1173 [ --with-sysroot[=DIR] Search for usr/lib et al within DIR.],
1175 case ${with_sysroot} in
1176 yes) TARGET_SYSTEM_ROOT='${exec_prefix}/${target_alias}/sys-root' ;;
1177 *) TARGET_SYSTEM_ROOT=$with_sysroot ;;
1180 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"$(TARGET_SYSTEM_ROOT)\"'
1182 if test "x$prefix" = xNONE; then
1183 test_prefix=/usr/local
1187 if test "x$exec_prefix" = xNONE || test "x$exec_prefix" = 'x${prefix}'; then
1188 test_exec_prefix=$test_prefix
1190 test_exec_prefix=$exec_prefix
1192 case ${TARGET_SYSTEM_ROOT} in
1193 "${test_prefix}"|"${test_prefix}/"*|\
1194 "${test_exec_prefix}"|"${test_exec_prefix}/"*|\
1195 '${prefix}'|'${prefix}/'*|\
1196 '${exec_prefix}'|'${exec_prefix}/'*)
1197 t="$TARGET_SYSTEM_ROOT_DEFINE -DTARGET_SYSTEM_ROOT_RELOCATABLE"
1198 TARGET_SYSTEM_ROOT_DEFINE="$t"
1203 TARGET_SYSTEM_ROOT_DEFINE='-DTARGET_SYSTEM_ROOT=\"\"'
1205 AC_SUBST(TARGET_SYSTEM_ROOT)
1206 AC_SUBST(TARGET_SYSTEM_ROOT_DEFINE)
1208 AC_ARG_ENABLE(werror,
1209 [ --enable-werror treat compile warnings as errors],
1210 [case "${enableval}" in
1211 yes | y) ERROR_ON_WARNING="yes" ;;
1212 no | n) ERROR_ON_WARNING="no" ;;
1213 *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
1216 # Enable -Werror by default when using gcc
1217 if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
1218 ERROR_ON_WARNING=yes
1222 if test "${ERROR_ON_WARNING}" = yes ; then
1223 WERROR_CFLAGS="-Werror"
1226 # The entries after -Wno-pointer-sign are disabled warnings which may
1227 # be enabled in the future, which can not currently be used to build
1229 # NOTE: If you change this list, remember to update
1230 # gdb/doc/gdbint.texinfo.
1231 build_warnings="-Wall -Wdeclaration-after-statement -Wpointer-arith \
1232 -Wformat-nonliteral -Wno-pointer-sign \
1233 -Wno-unused -Wno-switch -Wno-char-subscripts"
1235 AC_ARG_ENABLE(build-warnings,
1236 [ --enable-build-warnings Enable build-time compiler warnings if gcc is used],
1237 [case "${enableval}" in
1239 no) build_warnings="-w";;
1240 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1241 build_warnings="${build_warnings} ${t}";;
1242 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1243 build_warnings="${t} ${build_warnings}";;
1244 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1246 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1247 echo "Setting compiler warning flags = $build_warnings" 6>&1
1249 AC_ARG_ENABLE(gdb-build-warnings,
1250 [ --enable-gdb-build-warnings Enable GDB specific build-time compiler warnings if gcc is used],
1251 [case "${enableval}" in
1253 no) build_warnings="-w";;
1254 ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1255 build_warnings="${build_warnings} ${t}";;
1256 *,) t=`echo "${enableval}" | sed -e "s/,/ /g"`
1257 build_warnings="${t} ${build_warnings}";;
1258 *) build_warnings=`echo "${enableval}" | sed -e "s/,/ /g"`;;
1260 if test x"$silent" != x"yes" && test x"$build_warnings" != x""; then
1261 echo "Setting GDB specific compiler warning flags = $build_warnings" 6>&1
1264 if test "x${build_warnings}" != x -a "x$GCC" = xyes
1266 AC_MSG_CHECKING(compiler warning flags)
1267 # Separate out the -Werror flag as some files just cannot be
1268 # compiled with it enabled.
1269 for w in ${build_warnings}; do
1271 -Werr*) WERROR_CFLAGS=-Werror ;;
1272 *) # Check that GCC accepts it
1273 saved_CFLAGS="$CFLAGS"
1275 AC_TRY_COMPILE([],[],WARN_CFLAGS="${WARN_CFLAGS} $w",)
1276 CFLAGS="$saved_CFLAGS"
1279 AC_MSG_RESULT(${WARN_CFLAGS} ${WERROR_CFLAGS})
1281 AC_SUBST(WARN_CFLAGS)
1282 AC_SUBST(WERROR_CFLAGS)
1284 # In the Cygwin environment, we need some additional flags.
1285 AC_CACHE_CHECK([for cygwin], gdb_cv_os_cygwin,
1286 [AC_EGREP_CPP(lose, [
1287 #if defined (__CYGWIN__) || defined (__CYGWIN32__)
1289 #endif],[gdb_cv_os_cygwin=yes],[gdb_cv_os_cygwin=no])])
1292 dnl Figure out which of the many generic ser-*.c files the _host_ supports.
1293 SER_HARDWIRE="ser-base.o ser-unix.o ser-pipe.o ser-tcp.o"
1295 *go32* ) SER_HARDWIRE=ser-go32.o ;;
1296 *djgpp* ) SER_HARDWIRE=ser-go32.o ;;
1297 *mingw32*) SER_HARDWIRE="ser-base.o ser-tcp.o ser-mingw.o" ;;
1299 AC_SUBST(SER_HARDWIRE)
1301 # libreadline needs libuser32.a in a cygwin environment
1303 if test x$gdb_cv_os_cygwin = xyes; then
1304 WIN32LIBS="-luser32"
1306 *cygwin*) WIN32LIBS="$WIN32LIBS -limagehlp"
1311 # The ser-tcp.c module requires sockets.
1314 AC_DEFINE(USE_WIN32API, 1,
1315 [Define if we should use the Windows API, instead of the
1316 POSIX API. On Windows, we use the Windows API when
1317 building for MinGW, but the POSIX API when building
1319 WIN32LIBS="$WIN32LIBS -lws2_32"
1324 # Add ELF support to GDB, but only if BFD includes ELF support.
1326 OLD_LDFLAGS=$LDFLAGS
1328 CFLAGS="$CFLAGS -I${srcdir}/../include -I../bfd -I${srcdir}/../bfd"
1329 LDFLAGS="$LDFLAGS -L../bfd -L../libiberty"
1330 intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
1331 LIBS="$LIBS -lbfd -liberty $intl"
1332 AC_CACHE_CHECK([for ELF support in BFD], gdb_cv_var_elf,
1334 [#include <stdlib.h>
1336 #include "elf-bfd.h"
1338 [bfd *abfd = NULL; bfd_get_elf_phdr_upper_bound (abfd); ],
1339 gdb_cv_var_elf=yes, gdb_cv_var_elf=no)])
1340 if test $gdb_cv_var_elf = yes; then
1341 CONFIG_OBS="$CONFIG_OBS elfread.o"
1342 AC_DEFINE(HAVE_ELF, 1,
1343 [Define if ELF support should be included.])
1346 LDFLAGS=$OLD_LDFLAGS
1349 # Add any host-specific objects to GDB.
1350 CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
1352 LIBGUI="../libgui/src/libgui.a"
1353 GUI_CFLAGS_X="-I${srcdir}/../libgui/src"
1355 AC_SUBST(GUI_CFLAGS_X)
1359 AC_SUBST(WIN32LDAPP)
1371 if test "${enable_gdbtk}" = "yes"; then
1373 # Gdbtk must have an absolute path to srcdir in order to run
1374 # properly when not installed.
1380 CY_AC_PATH_TCLCONFIG
1381 if test -z "${no_tcl}"; then
1382 CY_AC_LOAD_TCLCONFIG
1385 # now look for Tcl library stuff
1387 tcldir="../tcl/${configdir}/"
1389 TCL_DEPS="${tcldir}${TCL_LIB_FILE}"
1391 # If $no_tk is nonempty, then we can't do Tk, and there is no
1392 # point to doing Tcl.
1393 if test -z "${no_tk}"; then
1401 # now look for Tk library stuff
1403 tkdir="../tk/${configdir}/"
1405 TK_DEPS="${tkdir}${TK_LIB_FILE}"
1407 # now look for Itcl library stuff
1409 CY_AC_PATH_ITCLCONFIG
1410 if test -z "${no_itcl}"; then
1411 CY_AC_LOAD_ITCLCONFIG
1413 ITCLLIB="${ITCL_BUILD_LIB_SPEC}"
1414 ITCL_DEPS="${ITCL_LIB_FULL_PATH}"
1418 # now look for Itk library stuff
1419 CY_AC_PATH_ITKCONFIG
1420 if test -z "${no_itcl}"; then
1421 CY_AC_LOAD_ITKCONFIG
1423 ITKLIB="${ITK_BUILD_LIB_SPEC}"
1424 ITK_DEPS="${ITK_LIB_FULL_PATH}"
1427 ENABLE_CFLAGS="${ENABLE_CFLAGS} \$(SUBDIR_GDBTK_CFLAGS)"
1429 # Include some libraries that Tcl and Tk want.
1430 TCL_LIBS='$(LIBGUI) $(ITCL) $(ITK) $(TK) $(TCL) $(X11_LDFLAGS) $(X11_LIBS)'
1431 # Yes, the ordering seems wrong here. But it isn't.
1432 # TK_LIBS is the list of libraries that need to be linked
1433 # after Tcl/Tk. Note that this isn't put into LIBS. If it
1434 # were in LIBS then any link tests after this point would
1435 # try to include things like `$(LIBGUI)', which wouldn't work.
1436 GDBTKLIBS="${TCL_LIBS} ${TK_LIBS}"
1438 CONFIG_OBS="${CONFIG_OBS} \$(SUBDIR_GDBTK_OBS)"
1439 CONFIG_DEPS="${CONFIG_DEPS} \$(SUBDIR_GDBTK_DEPS)"
1440 CONFIG_SRCS="${CONFIG_SRCS} \$(SUBDIR_GDBTK_SRCS)"
1441 CONFIG_ALL="${CONFIG_ALL} all-gdbtk"
1442 CONFIG_CLEAN="${CONFIG_CLEAN} clean-gdbtk"
1443 CONFIG_INSTALL="${CONFIG_INSTALL} install-gdbtk"
1444 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-gdbtk"
1446 if test x$gdb_cv_os_cygwin = xyes; then
1447 WIN32LIBS="${WIN32LIBS} -lshell32 -lgdi32 -lcomdlg32 -ladvapi32"
1448 WIN32LDAPP="-Wl,--subsystem,console"
1449 CONFIG_OBS="${CONFIG_OBS} gdbres.o"
1454 AC_CONFIG_SUBDIRS(gdbtk)
1467 AC_SUBST(GDBTK_CFLAGS)
1468 AC_SUBST(GDBTK_SRC_DIR)
1472 # Check whether we should enable the TUI, but only do so if we really
1474 if test x"$enable_tui" = xyes; then
1475 if test -d $srcdir/tui; then
1476 if test "$ac_cv_search_waddstr" != no; then
1477 CONFIG_OBS="$CONFIG_OBS \$(SUBDIR_TUI_OBS)"
1478 CONFIG_DEPS="$CONFIG_DEPS \$(SUBDIR_TUI_DEPS)"
1479 CONFIG_SRCS="$CONFIG_SRCS \$(SUBDIR_TUI_SRCS)"
1480 CONFIG_INITS="$CONFIG_INITS \$(SUBDIR_TUI_INITS)"
1481 ENABLE_CFLAGS="$ENABLE_CFLAGS \$(SUBDIR_TUI_CFLAGS)"
1482 CONFIG_ALL="${CONFIG_ALL} all-tui"
1483 CONFIG_CLEAN="${CONFIG_CLEAN} clean-tui"
1484 CONFIG_INSTALL="${CONFIG_INSTALL} install-tui"
1485 CONFIG_UNINSTALL="${CONFIG_UNINSTALL} uninstall-tui"
1487 AC_MSG_WARN([no enhanced curses library found; disabling TUI])
1492 # Unlike the sim directory, whether a simulator is linked is controlled by
1493 # presence of a SIM= and a SIM_OBS= definition in the target '.mt' file.
1494 # This code just checks for a few cases where we'd like to ignore those
1495 # definitions, even when they're present in the '.mt' file. These cases
1496 # are when --disable-sim is specified, or if the simulator directory is
1497 # not part of the source tree.
1500 [ --enable-sim Link gdb with simulator],
1501 [echo "enable_sim = $enable_sim";
1502 echo "enableval = ${enableval}";
1503 case "${enableval}" in
1504 yes) ignore_sim=false ;;
1505 no) ignore_sim=true ;;
1506 *) ignore_sim=false ;;
1510 if test ! -d "${srcdir}/../sim"; then
1514 if test "${ignore_sim}" = "true"; then
1516 IGNORE_SIM_OBS="SIM_OBS="
1520 AC_DEFINE(WITH_SIM, 1, [Define if the simulator is being linked in.])
1522 AC_SUBST(IGNORE_SIM)
1523 AC_SUBST(IGNORE_SIM_OBS)
1525 AC_SUBST(ENABLE_CFLAGS)
1526 AC_SUBST(PROFILE_CFLAGS)
1528 AC_SUBST(CONFIG_OBS)
1529 AC_SUBST(CONFIG_DEPS)
1530 AC_SUBST(CONFIG_SRCS)
1531 AC_SUBST(CONFIG_ALL)
1532 AC_SUBST(CONFIG_CLEAN)
1533 AC_SUBST(CONFIG_INSTALL)
1534 AC_SUBST(CONFIG_UNINSTALL)
1536 # List of host floatformats.
1537 AC_DEFINE_UNQUOTED(GDB_HOST_FLOAT_FORMAT,$gdb_host_float_format,[Host float floatformat])
1538 AC_DEFINE_UNQUOTED(GDB_HOST_DOUBLE_FORMAT,$gdb_host_double_format,[Host double floatformat])
1539 AC_DEFINE_UNQUOTED(GDB_HOST_LONG_DOUBLE_FORMAT,$gdb_host_long_double_format,[Host long double floatformat])
1541 # target_subdir is used by the testsuite to find the target libraries.
1543 if test "${host}" != "${target}"; then
1544 target_subdir="${target_alias}/"
1546 AC_SUBST(target_subdir)
1549 if test "${gdb_native}" = "yes"; then
1550 host_makefile_frag=${srcdir}/config/${gdb_host_cpu}/${gdb_host}.mh
1551 if test ! -f ${host_makefile_frag}; then
1552 AC_MSG_ERROR("*** Gdb does not support native target ${host}")
1554 frags="$frags $host_makefile_frag"
1556 host_makefile_frag=/dev/null
1559 target_makefile_frag=${srcdir}/config/${gdb_target_cpu}/${gdb_target}.mt
1560 if test ! -f ${target_makefile_frag}; then
1561 AC_MSG_ERROR("*** Gdb does not support target ${target}")
1563 frags="$frags $target_makefile_frag"
1565 AC_SUBST_FILE(host_makefile_frag)
1566 AC_SUBST_FILE(target_makefile_frag)
1570 if test "${gdb_native}" = "yes"; then
1571 # We pick this up from the host configuration file (.mh) because we
1572 # do not have a native configuration Makefile fragment.
1573 nativefile=`sed -n '
1574 s/NAT_FILE[ ]*=[ ]*\([^ ]*\)/\1/p
1575 ' ${host_makefile_frag}`
1579 if test x"${gdb_osabi}" != x ; then
1580 AC_DEFINE_UNQUOTED(GDB_OSABI_DEFAULT, $gdb_osabi,
1581 [Define to the default OS ABI for this configuration.])
1584 # Enable multi-ice-gdb-server.
1585 AC_ARG_ENABLE(multi-ice,
1586 [ --enable-multi-ice build the multi-ice-gdb-server],
1590 *) AC_MSG_ERROR([bad value $enableval for --enable-multi-ice]) ;;
1592 if test "x$enable_multi_ice" = xyes; then
1593 AC_CONFIG_SUBDIRS(multi-ice)
1596 # We only build gdbserver automatically in a native configuration.
1597 if test "$gdb_native" = "yes"; then
1598 AC_MSG_CHECKING(whether gdbserver is supported on this host)
1599 if test "x$build_gdbserver" = xyes; then
1601 AC_CONFIG_SUBDIRS(gdbserver)
1607 # If nativefile (NAT_FILE) is not set in config/*/*.m[ht] files, we link
1608 # to an empty version.
1615 if test "${nativefile}" != ""; then
1617 case "${nativefile}" in
1618 nm-*.h ) GDB_NM_FILE="config/${gdb_host_cpu}/${nativefile}" ;;
1619 * ) GDB_NM_FILE="${nativefile}"
1621 files="${files} ${GDB_NM_FILE}"
1622 links="${links} nm.h"
1623 AC_DEFINE_UNQUOTED(GDB_NM_FILE, "${GDB_NM_FILE}", [nativefile])
1627 AC_LINK_FILES($files, $links)
1629 dnl Check for exe extension set on certain hosts (e.g. Win32)
1632 dnl Detect the character set used by this host.
1634 dnl At the moment, we just assume it's ISO-8859-1 (which is a
1635 dnl superset of ASCII containing the characters needed for French,
1636 dnl German, Spanish, Italian, and possibly others), but if were
1637 dnl *were* to support any host character sets other than ISO-8859-1,
1638 dnl here's where we'd detect it.
1639 AC_DEFINE(GDB_DEFAULT_HOST_CHARSET, "ISO-8859-1",
1640 [Define to be a string naming the default host character set.])
1644 AC_OUTPUT(Makefile .gdbinit:gdbinit.in,
1646 dnl Autoconf doesn't provide a mechanism for modifying definitions
1647 dnl provided by makefile fragments.
1651 sed -e '/^NAT_FILE[ ]*=/s,^NAT_FILE[ ]*=[ ]*,&config/'"${gdb_host_cpu}"'/,' <Makefile >Makefile.tmp
1652 mv -f Makefile.tmp Makefile
1656 case x$CONFIG_HEADERS in
1657 xconfig.h:config.in)
1662 gdb_host_cpu=$gdb_host_cpu
1663 gdb_target_cpu=$gdb_target_cpu
1664 nativefile=$nativefile